PK0-005 · topic practice

Basics of IT Infrastructure and IT Project Management practice questions

Q: How should I use these Basics of IT Infrastructure and IT Project Management practice questions?

Read each scenario carefully and choose your answer before revealing the explanation. Then check why your choice was right or wrong. Repeat until the reasoning feels automatic.

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Yes — use the session launcher on this page to start a 10-, 20-, 30- or 50-question session drawn entirely from the Basics of IT Infrastructure and IT Project Management domain.

This domain covers the IT infrastructure knowledge a project manager needs plus foundational project management mechanics. Expect ordering questions on WBS and schedule creation, plus scenario items on switch selection, data center design, high availability, latency, and other infrastructure components evaluated against stated business and technical requirements.

Courseiva uses original exam-style practice questions designed for learning and revision. The goal is to understand the concepts, recognise exam patterns, and improve through explanations — not memorise copied exam dumps.

Editorial oversight:Johnson Ajibi· MSc IT Security, IEEE Senior Member

20 questionsDomain: Basics of IT Infrastructure and IT Project Management

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What the exam tests

What to know about Basics of IT Infrastructure and IT Project Management

Be able to sequence WBS and schedule steps correctly and map infrastructure components to stated requirements like high availability and low latency. The single most important thing: match each technical choice to the explicit requirement in the scenario, not to general best practice.

Ordering WBS steps: scope statement, deliverables, decomposition, work packages, WBS dictionary

Ordering schedule steps: define activities, sequence, estimate durations, develop schedule, baseline

Switch selection factors: port count, PoE, throughput, VLAN support, managed vs unmanaged, cost

Data center components: redundant power, cooling, UPS, RAID, load balancing, low-latency networking

Watch out for

Common Basics of IT Infrastructure and IT Project Management exam traps

▸Confusing WBS creation order with schedule creation order, or placing estimation before activity sequencing and decomposition
▸Choosing switches on brand or price alone while ignoring required port count, PoE, throughput, or manageability
▸Treating high availability as a single component instead of combining redundancy, failover, and low-latency networking

Practice set

Basics of IT Infrastructure and IT Project Management questions

20 questions · select your answer, then reveal the explanation

Question 1easymultiple choice

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A project manager is deploying a new web application to a cloud environment. The application requires high availability and automatic scaling based on traffic. Which IT infrastructure component should the project manager use to meet these requirements?

Trap 1: Firewall

A firewall filters and inspects traffic at network boundaries; it neither hosts application instances nor distributes load or scales capacity with demand. It is tempting because every cloud web deployment includes one, and it would be the right answer if the requirement were controlling inbound and outbound traffic rather than high availability and automatic scaling.

Trap 2: DNS server

A DNS server resolves names to addresses; it provides neither horizontal scaling nor health-based failover. It is tempting because DNS can front multiple endpoints, and would be correct if the requirement were routing clients to a regional endpoint or performing simple round-robin distribution.

Trap 3: VPN concentrator

A VPN concentrator terminates encrypted tunnels for remote-access or site-to-site connectivity; it provides no compute capacity, load distribution or autoscaling. It is tempting because it is a genuine cloud-edge appliance, and would be correct if the requirement were secure remote user access into the environment rather than hosting a highly available, elastically scaling web tier.

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A
Load balancer
A load balancer distributes incoming traffic across multiple backend instances and performs health checks, removing failed nodes from rotation. Combined with an auto-scaling group it delivers the high availability and traffic-based scaling the web application requires, which a single server cannot provide.
B
Firewall
Why it fails: A firewall filters and inspects traffic at network boundaries; it neither hosts application instances nor distributes load or scales capacity with demand. It is tempting because every cloud web deployment includes one, and it would be the right answer if the requirement were controlling inbound and outbound traffic rather than high availability and automatic scaling.
C
DNS server
Why it fails: A DNS server resolves names to addresses; it provides neither horizontal scaling nor health-based failover. It is tempting because DNS can front multiple endpoints, and would be correct if the requirement were routing clients to a regional endpoint or performing simple round-robin distribution.
D
VPN concentrator
Why it fails: A VPN concentrator terminates encrypted tunnels for remote-access or site-to-site connectivity; it provides no compute capacity, load distribution or autoscaling. It is tempting because it is a genuine cloud-edge appliance, and would be correct if the requirement were secure remote user access into the environment rather than hosting a highly available, elastically scaling web tier.

Full breakdown with real-world context →

Question 2mediummultiple choice

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During a database migration project, the team encounters an error when trying to connect to the new database server from the application server. The network team confirms that the ports are open and the firewall rules are correct. The database team reports that the database service is running and listening on the expected port. Which of the following is the MOST likely cause of the connectivity issue?

Trap 1: Misconfigured DNS server

A DNS issue would prevent name resolution, but connectivity errors typically involve IP addresses; the team likely used IP addresses directly or DNS would have been checked earlier.

Trap 2: Incorrect subnet mask on the application server

An incorrect subnet mask would likely cause local network issues, but the network team verified firewall rules and ports, suggesting the problem is beyond the application server's immediate network configuration.

Trap 3: Expired SSL certificate on the database server

An expired SSL certificate would cause encryption handshake failures, not a basic TCP connectivity error.

Study all Basics of IT Infrastructure and IT Project Management common traps →

A
Misconfigured DNS server
Why it fails: A DNS issue would prevent name resolution, but connectivity errors typically involve IP addresses; the team likely used IP addresses directly or DNS would have been checked earlier.
B
Missing route on the database server's routing table
Without a return route to the application server, the database server can receive packets but cannot send responses, resulting in a timeout or connection failure.
C
Incorrect subnet mask on the application server
Why it fails: An incorrect subnet mask would likely cause local network issues, but the network team verified firewall rules and ports, suggesting the problem is beyond the application server's immediate network configuration.
D
Expired SSL certificate on the database server
Why it fails: An expired SSL certificate would cause encryption handshake failures, not a basic TCP connectivity error.

Full breakdown with real-world context →

Question 3mediummulti select

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Which TWO of the following are key considerations when designing an IT infrastructure for a new data center?

Trap 1: Open floor plan with no raised flooring

Open floor plans are not typical; raised floors aid in cooling and cable management.

Trap 2: Use of low-cost, consumer-grade hardware

Consumer-grade hardware lacks reliability and support for data center operations.

Trap 3: Single point of failure for critical systems

Single points of failure should be eliminated for reliability.

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A
Open floor plan with no raised flooring
Why it fails: Open floor plans are not typical; raised floors aid in cooling and cable management.
B
Redundant power supplies and UPS systems
Redundant power ensures continuous operation during outages.
C
Use of low-cost, consumer-grade hardware
Why it fails: Consumer-grade hardware lacks reliability and support for data center operations.
D
Environmental controls for temperature and humidity
Proper cooling and humidity control prevent hardware damage.
E
Single point of failure for critical systems
Why it fails: Single points of failure should be eliminated for reliability.

Full breakdown with real-world context →

Question 4mediummulti select

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A project manager is planning the deployment of a new web application. The IT team has identified the following requirements: the application must be accessible 24/7, handle traffic spikes, and maintain session persistence. Which TWO infrastructure components should the project manager include in the design to meet these requirements?

Trap 1: A content delivery network (CDN)

A CDN caches static content to improve load times and reduce server load, but it does not handle dynamic session persistence or traffic spikes for the application itself.

Trap 2: A single web server with a large instance type

A single web server is a single point of failure and cannot handle traffic spikes or maintain session persistence across multiple servers.

Trap 3: A database cluster with replication

A database cluster provides data redundancy and availability, but does not directly handle web traffic spikes or session persistence at the application layer.

Study all Basics of IT Infrastructure and IT Project Management common traps →

A
An auto-scaling group of web servers
An auto-scaling group dynamically adds or removes web server instances in response to demand, satisfying the 24/7 availability and traffic-spike requirements. Session persistence is handled separately by a load balancer with sticky sessions, so this component addresses elasticity and resilience, not statefulness.
B
A content delivery network (CDN)
Why it fails: A CDN caches static content to improve load times and reduce server load, but it does not handle dynamic session persistence or traffic spikes for the application itself.
C
A single web server with a large instance type
Why it fails: A single web server is a single point of failure and cannot handle traffic spikes or maintain session persistence across multiple servers.
D
A database cluster with replication
Why it fails: A database cluster provides data redundancy and availability, but does not directly handle web traffic spikes or session persistence at the application layer.
E
A load balancer with session affinity
A load balancer with session affinity distributes incoming requests across multiple back-end servers while pinning each client to the same server for the duration of their session. This directly satisfies the session persistence requirement, and by spreading traffic across several nodes it supports 24/7 availability and absorbs traffic spikes.

Full breakdown with real-world context →

Question 5hardmultiple choice

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A project manager is working on a project where a new team member is not receiving project updates. The team member reports that they can access the project portal but not the project emails. Based on the exhibit, what is the most likely cause?

Exhibit

Refer to the exhibit.

Command: ping -c 4 10.0.1.15
Output:
PING 10.0.1.15 (10.0.1.15) 56(84) bytes of data.
From 10.0.1.1 icmp_seq=1 Destination Host Unreachable
From 10.0.1.1 icmp_seq=2 Destination Host Unreachable
From 10.0.1.1 icmp_seq=3 Destination Host Unreachable
From 10.0.1.1 icmp_seq=4 Destination Host Unreachable

--- 10.0.1.15 ping statistics ---
4 packets transmitted, 0 received, +4 errors, 100% packet loss, time 3005ms

Command: arp -a
Output:
? (10.0.1.1) at 00:1a:2b:3c:4d:5e [ether] on eth0
? (10.0.1.15) at <incomplete> on eth0

Trap 1: The team member has missing email configuration

Missing email configuration would prevent receiving any emails, not just project emails.

Trap 2: The team member is not listed in the project directory

Being in the project directory ensures portal access, but email groups are separate.

Trap 3: The email server firewall is blocking messages

Firewall blocking would affect all emails, not just project emails.

Study all Basics of IT Infrastructure and IT Project Management common traps →

A
The team member has missing email configuration
Why it fails: Missing email configuration would prevent receiving any emails, not just project emails.
B
The team member is assigned to a misconfigured communication group
Correct. Communication groups control email distribution; being in the wrong group prevents receiving updates.
C
The team member is not listed in the project directory
Why it fails: Being in the project directory ensures portal access, but email groups are separate.
D
The email server firewall is blocking messages
Why it fails: Firewall blocking would affect all emails, not just project emails.

Full breakdown with real-world context →

Question 6mediumdrag order

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Arrange the steps for performing procurement management.

Drag or tap steps into the slots.

Steps

Order

1Step 1

2Step 2

3Step 3

4Step 4

5Step 5

Trap 1: Conduct, Plan, Select, Administer, Close

This order is incorrect because the procurement process must begin with planning before conducting any solicitations or evaluations. Conducting procurement without a plan leads to inefficiencies and unclear requirements.

Trap 2: Plan, Select, Conduct, Administer, Close

This order is incorrect because selecting a vendor cannot occur before conducting the procurement process (e.g., issuing requests, receiving proposals, and evaluating bids). Conducting must precede selection.

Trap 3: Plan, Conduct, Administer, Select, Close

This order is incorrect because administering the contract should come after selecting the vendor, not before. Selection determines the awarded vendor, and administration manages that vendor's performance.

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A
Plan, Conduct, Select, Administer, Close
This is the correct order because procurement management starts with planning the procurement approach, then conducting the procurement process (e.g., soliciting bids), selecting the vendor, administering the contract throughout the project, and finally closing the procurement.
B
Conduct, Plan, Select, Administer, Close
Why it fails: This order is incorrect because the procurement process must begin with planning before conducting any solicitations or evaluations. Conducting procurement without a plan leads to inefficiencies and unclear requirements.
C
Plan, Select, Conduct, Administer, Close
Why it fails: This order is incorrect because selecting a vendor cannot occur before conducting the procurement process (e.g., issuing requests, receiving proposals, and evaluating bids). Conducting must precede selection.
D
Plan, Conduct, Administer, Select, Close
Why it fails: This order is incorrect because administering the contract should come after selecting the vendor, not before. Selection determines the awarded vendor, and administration manages that vendor's performance.

Full breakdown with real-world context →

Question 7mediummatching

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Match each project management knowledge area to its description.

Drag a concept onto its matching description — or click a concept then click the description.

Concepts

Matches

Ensuring the project includes all required work

Managing timely completion of the project

Planning, estimating, budgeting, and controlling costs

Ensuring the project meets its intended objectives

Identifying, analyzing, and responding to project risks

Trap 1: Scope Management: The processes required to manage the timely…

Incorrect — this describes Time Management, not Scope Management.

Trap 2: Time Management: The processes involved in planning, estimating,…

Incorrect — this describes Cost Management, not Time Management.

Trap 3: Cost Management: The processes and activities of the performing…

Incorrect — this describes Quality Management, not Cost Management.

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A
Scope Management: The processes required to ensure the project includes all the work required, and only the work required, to complete the project successfully.
This is the correct definition of Scope Management as per PMBOK.
B
Time Management: The processes required to manage the timely completion of the project.
This is the correct definition of Time Management.
C
Cost Management: The processes involved in planning, estimating, budgeting, financing, funding, managing, and controlling costs so that the project can be completed within the approved budget.
This is the correct definition of Cost Management.
D
Scope Management: The processes required to manage the timely completion of the project.
Why it fails: Incorrect — this describes Time Management, not Scope Management.
E
Time Management: The processes involved in planning, estimating, budgeting, financing, funding, managing, and controlling costs so that the project can be completed within the approved budget.
Why it fails: Incorrect — this describes Cost Management, not Time Management.
F
Cost Management: The processes and activities of the performing organization that determine quality policies, objectives, and responsibilities so that the project will satisfy the needs for which it was undertaken.
Why it fails: Incorrect — this describes Quality Management, not Cost Management.

Full breakdown with real-world context →

Question 8hardmultiple choice

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A company is implementing a hybrid cloud solution to meet fluctuating demand. The project budget is fixed, and the timeline is aggressive. Which project management approach is most appropriate to manage scope changes while controlling costs?

Trap 1: Waterfall methodology

Waterfall fixes scope through sequential, upfront-defined phases, so fluctuating demand and emergent scope changes force costly rework or change requests against a fixed baseline. It suits stable, well-understood projects with regulatory documentation needs, where requirements rarely shift after sign-off.

Trap 2: Lean methodology

Lean emphasizes efficiency but lacks structured scope management.

Trap 3: PRINCE2 methodology

PRINCE2 governs by defined stages and tolerances, so scope changes route through formal stage-boundary approvals rather than the iterative reprioritisation an aggressive, fixed-budget hybrid rollout needs. It is tempting because PRINCE2 excels at controlled delivery in stable, well-scoped government or enterprise programmes where change control boards are already established.

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A
Waterfall methodology
Why it fails: Waterfall fixes scope through sequential, upfront-defined phases, so fluctuating demand and emergent scope changes force costly rework or change requests against a fixed baseline. It suits stable, well-understood projects with regulatory documentation needs, where requirements rarely shift after sign-off.
B
Agile methodology
Agile delivers work in short iterations with a prioritised backlog, letting the team absorb scope changes incrementally while tracking cost against fixed budget. This satisfies the fluctuating-demand requirement and aggressive timeline better than plan-driven approaches.
C
Lean methodology
Why it fails: Lean emphasizes efficiency but lacks structured scope management.
D
PRINCE2 methodology
Why it fails: PRINCE2 governs by defined stages and tolerances, so scope changes route through formal stage-boundary approvals rather than the iterative reprioritisation an aggressive, fixed-budget hybrid rollout needs. It is tempting because PRINCE2 excels at controlled delivery in stable, well-scoped government or enterprise programmes where change control boards are already established.

Full breakdown with real-world context →

Question 9mediummultiple choice

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A network engineer configures a switch port as shown. After implementation, the connected server is experiencing intermittent network drops. Which configuration change should the project team recommend to resolve the issue?

Exhibit

Refer to the exhibit.

Exhibit:
```
interface GigabitEthernet0/1
 switchport mode trunk
 switchport trunk allowed vlan 10,20,30
 spanning-tree portfast
```

Trap 1: Add additional VLANs to the allowed list

Adding VLANs does not fix the portfast misconfiguration.

Trap 2: Disable trunk encapsulation on the interface

Trunk encapsulation is typically auto-negotiated; disabling it would break the link.

Trap 3: Change the interface mode to access

Changing to access mode would remove VLAN trunking, likely breaking connectivity.

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A
Add additional VLANs to the allowed list
Why it fails: Adding VLANs does not fix the portfast misconfiguration.
B
Disable trunk encapsulation on the interface
Why it fails: Trunk encapsulation is typically auto-negotiated; disabling it would break the link.
C
Remove the portfast configuration from the interface
Portfast is designed for access ports; on trunk ports it can cause bridging loops and drops.
D
Change the interface mode to access
Why it fails: Changing to access mode would remove VLAN trunking, likely breaking connectivity.

Full breakdown with real-world context →

Question 10hardmultiple choice

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A cloud engineer created the access control policy shown. The project requires that only the development team (IP range 10.0.0.0/16) can upload backup files to the backup storage location 'project-backup'. However, the policy is not working as expected. What is the most likely cause?

Exhibit

Refer to the exhibit.

Exhibit:
```
{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": "s3:PutObject",
      "Resource": "arn:aws:s3:::project-backup/*",
      "Condition": {
        "IpAddress": {
          "aws:SourceIp": "10.0.0.0/16"
        }
      }
    }
  ]
}
```

Trap 1: The Action field is misspelled

's3:PutObject' is a valid action spelling.

Trap 2: The resource identifier is incorrect

The ARN for the bucket and its objects is correctly formatted.

Trap 3: The Effect should be 'Deny'

Allow is appropriate to grant permissions.

Study all Basics of IT Infrastructure and IT Project Management common traps →

A
The Action field is misspelled
Why it fails: 's3:PutObject' is a valid action spelling.
B
The resource identifier is incorrect
Why it fails: The ARN for the bucket and its objects is correctly formatted.
C
The Effect should be 'Deny'
Why it fails: Allow is appropriate to grant permissions.
D
The policy is missing a Principal element
An access control policy must name who the statement applies to. Without a Principal element, the policy grants permissions to no identity, so the development team's uploads are never authorised despite the correct IP range and resource.

Full breakdown with real-world context →

Question 11easymultiple choice

Review the full subnetting walkthrough →

A project team is deploying a new application, and the error log shows repeated connection refused errors. The database server is on a separate subnet. What is the most likely cause of this issue?

Exhibit

Refer to the exhibit.

Exhibit:
```
2023-09-15 14:23:45 ERROR [main] com.example.app.DatabaseConnection - Connection refused: connect
2023-09-15 14:23:46 WARN  [main] com.example.app.DatabaseConnection - Retrying connection...
2023-09-15 14:23:50 ERROR [main] com.example.app.DatabaseConnection - Connection refused: connect
2023-09-15 14:23:51 FATAL [main] com.example.app.Application - Unable to start application due to database failure
```

Trap 1: The database schema is missing a required table

Missing tables cause SQL errors, not connection refused.

Trap 2: The database credentials are incorrect

Incorrect credentials would produce authentication errors, not connection refused.

Trap 3: The application server has insufficient memory

Memory issues would cause crashes or slowness, not connection refused.

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A
The database port is blocked by a firewall
Connection refused means the SYN reached the host but no listener accepted it, or a firewall actively rejected it. Since the database sits on a separate subnet, a firewall rule blocking the database port between subnets is the most likely cause rather than name resolution or credentials.
B
The database schema is missing a required table
Why it fails: Missing tables cause SQL errors, not connection refused.
C
The database credentials are incorrect
Why it fails: Incorrect credentials would produce authentication errors, not connection refused.
D
The application server has insufficient memory
Why it fails: Memory issues would cause crashes or slowness, not connection refused.

Full breakdown with real-world context →

Question 12easymulti select

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Which TWO of the following are common causes of project delays in IT infrastructure projects? (Choose two.)

Trap 1: Successful integration testing

Successful testing actually prevents delays.

Trap 2: Overestimating resource capacity

Overestimation leads to buffer, not delays.

Trap 3: Frequent status meetings

Meetings can be managed; they are not a primary cause of delays.

Study all Basics of IT Infrastructure and IT Project Management common traps →

A
Successful integration testing
Why it fails: Successful testing actually prevents delays.
B
Unforeseen dependencies between tasks
Unforeseen dependencies between tasks delay infrastructure projects because discovery of a hidden prerequisite forces resequencing of the critical path, pushing downstream milestones. Unlike resource levelling, which adjusts within existing logic, this introduces new predecessor relationships mid-execution, directly violating the schedule baseline constraint assumed during planning.
C
Overestimating resource capacity
Why it fails: Overestimation leads to buffer, not delays.
D
Long lead times for hardware procurement
Hardware procurement lead times are driven by manufacturing and shipping cycles outside the project's control. When switches, servers or storage arrive later than planned, dependent installation and configuration tasks cannot start, delaying the critical path.
E
Frequent status meetings
Why it fails: Meetings can be managed; they are not a primary cause of delays.

Full breakdown with real-world context →

Question 13easymultiple choice

Study the full virtualization explanation →

A project to consolidate multiple physical servers into a private cloud. What is the primary benefit of using server virtualization?

Trap 1: Increased physical security

Virtualization can actually increase security complexity and does not inherently improve physical security.

Trap 2: Simplified licensing

While server virtualisation abstracts hardware from the operating system, it does not alter the per-instance licensing terms of the hypervisor or guest OS; consolidated virtual machines still require individual licences, so licensing complexity often increases rather than simplifies. This option tempts because some hypervisors reduce physical socket counts, which can lower licensing costs in scenarios where the hypervisor itself bundles licence-inclusive subscriptions, but the stem’s consolidation goal targets resource pooling and hardware reduction, not licence count.

Trap 3: Improved network speed

Virtualization does not directly improve network speed; network performance depends on other factors.

Study all Basics of IT Infrastructure and IT Project Management common traps →

A
Increased physical security
Why it fails: Virtualization can actually increase security complexity and does not inherently improve physical security.
B
Simplified licensing
Why it fails: While server virtualisation abstracts hardware from the operating system, it does not alter the per-instance licensing terms of the hypervisor or guest OS; consolidated virtual machines still require individual licences, so licensing complexity often increases rather than simplifies. This option tempts because some hypervisors reduce physical socket counts, which can lower licensing costs in scenarios where the hypervisor itself bundles licence-inclusive subscriptions, but the stem’s consolidation goal targets resource pooling and hardware reduction, not licence count.
C
Improved network speed
Why it fails: Virtualization does not directly improve network speed; network performance depends on other factors.
D
Reduced power consumption
Consolidating many physical servers onto fewer virtualised hosts through server virtualisation directly cuts the number of powered machines, lowering electricity draw and cooling load. Reduced power consumption is the primary measurable benefit of this consolidation.

Full breakdown with real-world context →

Question 14easymultiple choice

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While upgrading storage, the project team discovers that the SAN switch is saturated. What immediate step should the project manager take?

Trap 1: Add additional storage

Additional storage does not solve switch saturation; the bottleneck is on the network.

Trap 2: Increase bandwidth via link aggregation

While a possible solution, the PM should first assess impact rather than implement technical changes directly.

Trap 3: Escalate to sponsor

Escalation should occur after analyzing the issue and its impact on the project.

Study all Basics of IT Infrastructure and IT Project Management common traps →

A
Add additional storage
Why it fails: Additional storage does not solve switch saturation; the bottleneck is on the network.
B
Increase bandwidth via link aggregation
Why it fails: While a possible solution, the PM should first assess impact rather than implement technical changes directly.
C
Escalate to sponsor
Why it fails: Escalation should occur after analyzing the issue and its impact on the project.
D
Update risk register and assess impact
A saturated SAN switch is a newly realised risk threatening the storage upgrade, so the project manager should record it in the risk register and assess impact before acting. This satisfies the stem's immediate-step constraint by ensuring informed decisions rather than uncoordinated technical fixes.

Full breakdown with real-world context →

Question 15mediummultiple choice

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A project involves installing new firewalls across multiple sites. The project manager notices the schedule is slipping due to site-specific electrical requirements that were not initially identified. What is the best course of action?

Trap 1: Crash the schedule by adding resources

Crashing adds cost and may not address the electrical requirement issue.

Trap 2: Submit a change request to extend schedule

A change request addresses the symptom but not the root cause.

Trap 3: Fast track the remaining tasks

Fast tracking increases risk and does not resolve the root cause of the delay.

Study all Basics of IT Infrastructure and IT Project Management common traps →

A
Crash the schedule by adding resources
Why it fails: Crashing adds cost and may not address the electrical requirement issue.
B
Submit a change request to extend schedule
Why it fails: A change request addresses the symptom but not the root cause.
C
Perform root cause analysis
Root cause analysis investigates why site-specific electrical requirements escaped identification, exposing gaps in site surveys or requirements gathering. Addressing that underlying cause prevents recurrence across the remaining sites, rather than merely compressing the schedule or absorbing the slippage.
D
Fast track the remaining tasks
Why it fails: Fast tracking increases risk and does not resolve the root cause of the delay.

Full breakdown with real-world context →

Question 16mediummultiple choice

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A team is implementing a disaster recovery plan that includes replication to a secondary data center. Which metric should the project manager prioritize defining in the DR plan?

Trap 1: Mean time between failures (MTBF)

MTBF measures reliability, not recovery time.

Trap 2: Recovery point objective (RPO)

RPO is also important, but RTO is typically the first metric defined for downtime tolerance.

Trap 3: Mean time to repair (MTTR)

MTTR is a component of recovery but not the primary planning metric.

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A
Mean time between failures (MTBF)
Why it fails: MTBF measures reliability, not recovery time.
B
Recovery point objective (RPO)
Why it fails: RPO is also important, but RTO is typically the first metric defined for downtime tolerance.
C
Mean time to repair (MTTR)
Why it fails: MTTR is a component of recovery but not the primary planning metric.
D
Recovery time objective (RTO)
Recovery time objective defines the maximum acceptable downtime before services must be restored at the secondary site, directly governing replication frequency and failover design. Prioritising RTO ensures the DR plan meets the business's tolerance for outage duration.

Full breakdown with real-world context →

Question 17hardmultiple choice

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During a server migration project, the team discovers that the new hardware requires a specific firmware version not currently installed. The project schedule is tight. What is the best course of action?

Trap 1: Use alternative hardware that supports current firmware

Alternative hardware may not be available or may not meet project requirements.

Trap 2: Proceed with migration and apply firmware post-migration

Proceeding without the required firmware could cause system instability or failure.

Trap 3: Defer the project until firmware is available

Deferring the entire project is extreme when a firmware update and schedule adjustment can resolve the issue.

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A
Use alternative hardware that supports current firmware
Why it fails: Alternative hardware may not be available or may not meet project requirements.
B
Update firmware immediately and adjust schedule
Firmware must match the hardware's supported version before the server can run reliably, so installing it is unavoidable. Adjusting the schedule absorbs the required maintenance window, keeping the migration technically viable while acknowledging the tight timeline constraint rather than deferring essential work.
C
Proceed with migration and apply firmware post-migration
Why it fails: Proceeding without the required firmware could cause system instability or failure.
D
Defer the project until firmware is available
Why it fails: Deferring the entire project is extreme when a firmware update and schedule adjustment can resolve the issue.

Full breakdown with real-world context →

Question 18mediummulti select

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A data center upgrade project requires redundancy for critical systems. Which three components should be redundant? (Choose three.)

Trap 1: RAID controller

RAID controllers provide disk redundancy but are not typically duplicated as components.

Trap 2: Server chassis

Server chassis are not redundant; servers themselves may be clustered.

Study all Basics of IT Infrastructure and IT Project Management common traps →

A
RAID controller
Why it fails: RAID controllers provide disk redundancy but are not typically duplicated as components.
B
Server chassis
Why it fails: Server chassis are not redundant; servers themselves may be clustered.
C
Power supply
Redundant power supplies let a server draw from a second feed if one fails, satisfying the requirement that critical systems keep running through a single component outage. This removes the power supply as a single point of failure within each chassis.
D
UPS
A UPS bridges the gap between utility loss and generator start-up, conditioning power and preventing abrupt shutdowns. Redundant UPS units satisfy the redundancy requirement by ensuring critical systems survive both a mains failure and the failure of one UPS module.
E
Network switch
Redundant switches with dual-homed connections eliminate the network as a single point of failure, so traffic reroutes if one switch dies. This directly satisfies the requirement that critical systems retain connectivity during a component outage.

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Question 19hardmultiple choice

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A project involves upgrading the network core switches to support higher throughput and new routing protocols. The project manager schedules a cutover during a weekend maintenance window. On Friday evening, the team discovers that the new switches do not have the correct software license for the advanced routing protocols required per the architecture. The current old switches are still functional. The project manager must decide the best course of action.

Trap 1: Use open-source routing software as a temporary workaround on the…

Using unlicensed or open-source software in a production environment may violate vendor support agreements and security policies.

Trap 2: Proceed with cutover using basic routing and add the license later.

Proceeding with basic routing may not meet project requirements and could require additional downtime later to apply the license.

Trap 3: Fall back to the old switches and reschedule the cutover for a…

This is a valid option but may be unnecessary if the license can be obtained quickly via expedited delivery.

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A
Use open-source routing software as a temporary workaround on the new switches.
Why it fails: Using unlicensed or open-source software in a production environment may violate vendor support agreements and security policies.
B
Postpone the cutover and request expedited delivery of the license.
Without the required licence, the new switches cannot run the advanced routing protocols the architecture specifies, so proceeding would break core routing. Postponing the cutover preserves the functional old switches and requests expedited licence delivery, avoiding an outage while keeping the upgrade viable.
C
Proceed with cutover using basic routing and add the license later.
Why it fails: Proceeding with basic routing may not meet project requirements and could require additional downtime later to apply the license.
D
Fall back to the old switches and reschedule the cutover for a later date.
Why it fails: This is a valid option but may be unnecessary if the license can be obtained quickly via expedited delivery.

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Question 20hardmulti select

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A project manager is planning the network cutover for a new branch office. The project charter requires that the branch remain reachable even if its primary WAN circuit fails, and that the failover be validated before go-live. Which TWO activities should the project manager include in the cutover plan? (Choose two.)

Trap 1: Enable jumbo frames on all branch access switches to reduce…

Jumbo frames change maximum transmission unit size to reduce per-packet overhead on large transfers, but they have no bearing on which WAN path is selected or how quickly it is chosen. Applied inconsistently they can even break connectivity through tunnels. This is a performance tuning action, not a redundancy control, so it fails to address the stated requirement.

Trap 2: Increase the DHCP lease time to 30 days so clients retain addresses…

Lease duration affects address churn, not path redundancy. Clients keep their IP addresses during a short WAN outage regardless of lease length, and a long lease can actually delay recovery if the DHCP scope must be renumbered. This activity does nothing to keep the branch reachable when the primary circuit drops, so it does not satisfy the charter.

Trap 3: Replace the branch firewall with a next-generation model that…

Deep packet inspection improves threat visibility and policy enforcement, but it does not provide a second WAN path or trigger failover. The branch could still lose all connectivity when the primary circuit fails. Although a firewall upgrade may be a valid project task, it does not meet the specific charter requirement of remaining reachable during a WAN outage.

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A
Configure a floating static route with a higher administrative distance on the backup circuit.
A floating static route installs only when the primary route is withdrawn, giving deterministic failover to the backup circuit without dynamic routing complexity. Because it is tied to the primary route's presence, it must be tested by physically or logically downing the primary link. This activity directly supports the charter requirement that the branch stay reachable when the primary WAN fails.
B
Schedule a failover test during a maintenance window and document the results as acceptance evidence.
The charter explicitly requires the failover to be validated before go-live, and a controlled test during a maintenance window produces the objective evidence stakeholders need to accept the design. Without this, the team cannot prove the backup path actually carries traffic. Documented results also feed the lessons-learned register and any warranty or SLA discussions with the carrier.
C
Enable jumbo frames on all branch access switches to reduce failover latency.
Why it fails: Jumbo frames change maximum transmission unit size to reduce per-packet overhead on large transfers, but they have no bearing on which WAN path is selected or how quickly it is chosen. Applied inconsistently they can even break connectivity through tunnels. This is a performance tuning action, not a redundancy control, so it fails to address the stated requirement.
D
Increase the DHCP lease time to 30 days so clients retain addresses across the outage.
Why it fails: Lease duration affects address churn, not path redundancy. Clients keep their IP addresses during a short WAN outage regardless of lease length, and a long lease can actually delay recovery if the DHCP scope must be renumbered. This activity does nothing to keep the branch reachable when the primary circuit drops, so it does not satisfy the charter.
E
Replace the branch firewall with a next-generation model that supports deep packet inspection.
Why it fails: Deep packet inspection improves threat visibility and policy enforcement, but it does not provide a second WAN path or trigger failover. The branch could still lose all connectivity when the primary circuit fails. Although a firewall upgrade may be a valid project task, it does not meet the specific charter requirement of remaining reachable during a WAN outage.

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What does the PK0-005 exam test about Basics of IT Infrastructure and IT Project Management?: Be able to sequence WBS and schedule steps correctly and map infrastructure components to stated requirements like high availability and low latency. The single most important thing: match each technical choice to the explicit requirement in the scenario, not to general best practice.
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Exam traps to avoid

▸Confusing WBS creation order with schedule creation order, or placing estimation before activity sequencing and decomposition
▸Choosing switches on brand or price alone while ignoring required port count, PoE, throughput, or manageability
▸Treating high availability as a single component instead of combining redundancy, failover, and low-latency networking

Basics of IT Infrastructure and IT Project Management practice questions

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Basics of IT Infrastructure and IT Project Management questions

A project manager is deploying a new web application to a cloud environment. The application requires high availability and automatic scaling based on traffic. Which IT infrastructure component should the project manager use to meet these requirements?

Which TWO of the following are key considerations when designing an IT infrastructure for a new data center?

A project manager is working on a project where a new team member is not receiving project updates. The team member reports that they can access the project portal but not the project emails. Based on the exhibit, what is the most likely cause?

Exhibit

Arrange the steps for performing procurement management.

Match each project management knowledge area to its description.

A company is implementing a hybrid cloud solution to meet fluctuating demand. The project budget is fixed, and the timeline is aggressive. Which project management approach is most appropriate to manage scope changes while controlling costs?

A network engineer configures a switch port as shown. After implementation, the connected server is experiencing intermittent network drops. Which configuration change should the project team recommend to resolve the issue?

Exhibit

A cloud engineer created the access control policy shown. The project requires that only the development team (IP range 10.0.0.0/16) can upload backup files to the backup storage location 'project-backup'. However, the policy is not working as expected. What is the most likely cause?

Exhibit

A project team is deploying a new application, and the error log shows repeated connection refused errors. The database server is on a separate subnet. What is the most likely cause of this issue?

Exhibit

Which TWO of the following are common causes of project delays in IT infrastructure projects? (Choose two.)

A project to consolidate multiple physical servers into a private cloud. What is the primary benefit of using server virtualization?

While upgrading storage, the project team discovers that the SAN switch is saturated. What immediate step should the project manager take?

A project involves installing new firewalls across multiple sites. The project manager notices the schedule is slipping due to site-specific electrical requirements that were not initially identified. What is the best course of action?

A team is implementing a disaster recovery plan that includes replication to a secondary data center. Which metric should the project manager prioritize defining in the DR plan?

During a server migration project, the team discovers that the new hardware requires a specific firmware version not currently installed. The project schedule is tight. What is the best course of action?

A data center upgrade project requires redundancy for critical systems. Which three components should be redundant? (Choose three.)

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