PK0-005 Basics of IT Infrastructure and IT Project Management Practice Test 2 — 15 Questions

Question 1

During a server migration project, the team discovers that the new servers have a different CPU architecture than the old ones. The project manager must decide the best course of action. What should the project manager do first?

Accepted Answer

Assess the impact on existing applications and plan remediation. The project manager must first assess the impact of the CPU architecture change on existing applications because different instruction sets (e.g., x86 vs. ARM) can cause binary incompatibility, requiring recompilation or emulation. Proceeding without this analysis risks application failures, data corruption, or performance degradation. This aligns with the PMBOK risk management process of identifying and analyzing risks before planning a response.

Answer

Proceed with migration as planned, assuming compatibility

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Revert to the original server architecture

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Delay the project to retrain staff on the new architecture

Question 2

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?

Accepted Answer

Agile methodology. Option D is correct because Agile allows iterative delivery and flexible scope adjustments within a fixed budget, making it ideal for projects with changing requirements. Option A is wrong because Waterfall is rigid and does not accommodate changes well. Option B is wrong because PRINCE2 is structured but less adaptive to frequent changes. Option C is wrong because Lean focuses on waste reduction, not scope flexibility.

Answer

Waterfall methodology

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Lean methodology

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PRINCE2 methodology

Question 3

An IT project manager is tasked with deploying a new inventory management system. The project requires installing software on 100 workstations and training users. Which factor is most critical to include in the project schedule?

Accepted Answer

Dependency on hardware compatibility testing. Hardware compatibility testing is the most critical factor because the inventory management system may require specific hardware configurations (e.g., CPU architecture, RAM, storage, or network interface drivers) to function correctly. If workstations are incompatible, the entire deployment could fail, making this dependency a prerequisite that must be scheduled before or in parallel with software installation. Without verifying compatibility, the project risks costly rework or delays.

Answer

Time to create user manuals

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Duration of user training sessions

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Procurement lead time for network cables

Question 4

A project is implementing a new backup solution. The current infrastructure uses tape backups, and the new solution will use cloud storage. During planning, the team identifies that the internet bandwidth is insufficient for initial seed data transfer. What is the best approach to mitigate this risk?

Accepted Answer

Perform a physical seed transfer of the initial backup. Option C is correct because when internet bandwidth is insufficient for the initial seed data transfer of a cloud backup solution, a physical seed transfer (e.g., shipping a hard drive or tape cartridge to the cloud provider) bypasses the bandwidth bottleneck entirely. This approach is commonly supported by major cloud providers (e.g., AWS Snowball, Azure Data Box) for large initial datasets, as it avoids prolonged transfer times and potential failures over limited connections.

Answer

Compress the backup data to reduce transfer size

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Schedule the transfer during off-peak hours

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Upgrade the internet connection to higher bandwidth

Question 5

A project team is evaluating cloud providers for a SaaS application. The provider must guarantee 99.99% uptime and support data sovereignty requirements. Which service level agreement (SLA) clause is most critical to review?

Accepted Answer

Data residency and location clauses. The question explicitly requires the provider to support data sovereignty, which mandates that data must be stored and processed within specific geographic boundaries. The SLA clause on data residency and location clauses (Option D) directly addresses this by defining where data centers are located and whether data can be moved across borders. Without this clause, the provider could store data in jurisdictions violating legal or regulatory requirements, making it the most critical clause to review.

Answer

Data encryption standards

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Financial penalty for downtime

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Incident response and escalation procedure

Question 6

A project manager is assigned to upgrade the firewall for a company with multiple branch offices. The project charter has been approved, but the budget is tight. Which cost control technique should the project manager use to ensure expenses remain within budget?

Accepted Answer

Earned value management (EVM). Earned value management (EVM) is the correct technique because it integrates scope, schedule, and cost data to provide objective performance metrics (e.g., Cost Performance Index, Schedule Performance Index) that allow the project manager to continuously monitor and control expenses against the approved budget. For a firewall upgrade with multiple branch offices, EVM helps detect cost overruns early by comparing planned value (PV), earned value (EV), and actual cost (AC), enabling corrective actions before the tight budget is exceeded.

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Reserve analysis

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Bottom-up estimating

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Parametric modeling

Question 7

During a network upgrade project, a technician accidentally disconnects a critical switch, causing an outage. The project manager needs to update the issue log and communicate with stakeholders. Which communication method is most appropriate for notifying senior management of the outage?

Accepted Answer

Verbal briefing via phone call. A network outage is a critical incident requiring immediate escalation. A verbal briefing via phone call (B) is the most appropriate method because it provides real-time, synchronous communication, allowing senior management to ask clarifying questions and make urgent decisions. This aligns with ITIL best practices for major incident management, where speed and clarity are paramount.

Answer

Status report in the next weekly meeting

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Project dashboard update

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Email notification

Question 8

A project to migrate on-premises email to Office 365 is behind schedule. The project sponsor asks the project manager to add more resources to accelerate the timeline. The project manager should first:

Accepted Answer

Analyze the critical path and determine if resource addition will help. Adding resources to a project that is behind schedule can sometimes worsen the delay due to Brooks' Law, especially if the critical path involves tasks that are not parallelizable. The project manager must first analyze the critical path to determine if adding resources will actually reduce the duration of critical tasks, such as mailbox migration batches or DNS cutover steps, or if it will introduce coordination overhead that negates any gains.

Answer

Add two additional migration specialists immediately

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Update the project schedule to reflect the new timeline

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Reduce the project scope by deferring non-critical features

Question 9

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?

Accepted Answer

Remove the spanning-tree portfast command from the interface. The intermittent network drops are caused by spanning-tree PortFast being enabled on a trunk port connected to a server. PortFast immediately transitions the port to the forwarding state, bypassing the normal spanning-tree listening and learning states. If a loop is introduced (e.g., via a misconfigured NIC team or a downstream switch), the switch will not detect it in time, leading to a temporary bridging loop and packet loss. Removing PortFast forces the port to go through the full spanning-tree convergence process, preventing loops and stabilizing the connection.

Answer

Add additional VLANs to the allowed list

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Disable trunk encapsulation on the interface

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Change the interface mode to access

Question 10

A cloud engineer created the IAM policy shown. The project requires that only the development team (IP range 10.0.0.0/16) can upload backup files to the S3 bucket 'project-backup'. However, the policy is not working as expected. What is the most likely cause?

Accepted Answer

The policy is missing a Principal element. The policy is missing a Principal element, which is required for an IAM policy attached to a resource (a bucket policy) to specify who the policy applies to. Without a Principal, the policy is invalid and cannot enforce the intended restriction that only the development team (IP range 10.0.0.0/16) can upload backup files to the S3 bucket 'project-backup'.

Answer

The Action field is misspelled

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The Resource ARN is incorrect

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The Effect should be 'Deny'

Question 11

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?

Accepted Answer

The database port is blocked by a firewall. The error 'connection refused' indicates that the application's TCP SYN packet to the database server was met with a TCP RST or no response, which typically occurs when a firewall drops or rejects the traffic. Since the database server is on a separate subnet, a network-layer access control list (ACL) or firewall rule is the most common cause of blocking the specific database port (e.g., 3306 for MySQL, 5432 for PostgreSQL, 1433 for SQL Server). This prevents the three-way handshake from completing, resulting in the connection refused error.

Answer

The database schema is missing a required table

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The database credentials are incorrect

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The application server has insufficient memory

Question 12

Which TWO of the following are key components of IT infrastructure that a project manager should consider when planning a new software deployment? (Choose two.)

Accepted Answer

Storage area network (SAN). A Storage Area Network (SAN) is a dedicated, high-speed network that provides block-level storage access to servers. For a new software deployment, the project manager must ensure that the SAN has sufficient capacity, IOPS, and connectivity to support the application's storage requirements, making it a critical infrastructure component.

Answer

Project charter

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Status reports

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Help desk ticketing system

Question 13

Which THREE of the following are best practices for managing IT infrastructure projects? (Choose three.)

Accepted Answer

Implement change control processes. Implementing change control processes (A) is a best practice because IT infrastructure projects often involve complex, interdependent systems where unapproved changes can cause cascading failures, security vulnerabilities, or downtime. Formal change control ensures that all modifications are reviewed, tested, and documented before deployment, maintaining stability and compliance.

Answer

Minimize documentation to reduce overhead

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Avoid risk management to save time

Question 14

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

Accepted Answer

Unforeseen dependencies between tasks. Unforeseen dependencies between tasks (B) are a common cause of delays because IT infrastructure projects often involve complex interconnections—for example, a network upgrade may depend on a prior firewall rule change or a storage array reconfiguration. When these hidden dependencies are not mapped in the project schedule, a delay in one task cascades to dependent tasks, pushing the entire timeline. This is especially critical in infrastructure where hardware, software, and configuration tasks are tightly coupled.

Answer

Successful integration testing

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Overestimating resource capacity

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Frequent status meetings

Question 15

A company is deploying a new VoIP system. Which network infrastructure component is most critical for ensuring voice quality?

Accepted Answer

Switch QoS settings. Voice quality over VoIP is highly sensitive to latency, jitter, and packet loss. Switch QoS settings (e.g., 802.1p/DSCP marking, strict priority queuing) ensure that voice traffic is prioritized over data traffic, preventing delays and dropped packets that degrade call quality. Without proper QoS, even high-bandwidth links will suffer from poor Mean Opinion Scores (MOS).

Answer

Cable category

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Switch port density

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Firewall throughput