220-1201 Practice Test 17 — 15 Questions

Question 1

A company uses VMware vSphere to run multiple VMs on a single ESXi host. A user reports that their VM suddenly lost network connectivity, but other VMs on the same host are working fine. The technician checks the virtual switch configuration and finds that the VM’s virtual NIC is connected to a port group that has no active uplinks. What should the technician do to restore connectivity?

Choose an answer to begin — your selection is scored in the full session.

Accepted Answer

Add a physical NIC to the port group as an active uplink.. In virtualization, a port group defines network settings for VMs. If a port group has no active uplinks, VMs in that group cannot communicate outside the host. The correct answer involves either adding an uplink or moving the VM to a working port group. This tests understanding of virtual networking components.

Answer

Reboot the ESXi host to refresh the network stack.

Answer

Change the VM’s virtual NIC type from E1000 to VMXNET3.

Answer

Disable and re-enable the virtual switch.

Question 2

A small business wants to migrate its email and document collaboration to the cloud but must keep sensitive financial records on local servers due to regulatory requirements. Which cloud deployment model should they choose?

Accepted Answer

Hybrid cloud. This question covers cloud deployment models. A hybrid cloud combines public cloud services (for email/collaboration) with private or on-premises infrastructure (for sensitive data). Public cloud alone would violate regulations, community cloud is for shared industry needs, and private cloud is entirely on-premises, missing the benefits of public cloud for non-sensitive workloads.

Answer

Public cloud

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Private cloud

Answer

Community cloud

Question 3

A user complains that their cloud-hosted virtual desktop is slow to open applications and frequently disconnects. They are using a satellite internet connection. Which cloud characteristic is most likely being impacted?

Accepted Answer

Latency. This scenario tests understanding of cloud computing characteristics, specifically latency. Slow application opening and disconnections are classic symptoms of high latency, which is often caused by the physical distance data must travel over a satellite connection. The other options (elasticity, scalability, high availability) are cloud features that do not directly address network delay.

Answer

High availability

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Elasticity

Answer

Scalability

Question 4

A user reports that their cloud-based application is running slowly, and the IT team discovers that the application is hosted in a different geographic region than the user. Which cloud concept is most directly affecting performance?

Accepted Answer

Latency. This scenario tests understanding of latency in a global cloud context. When an application is hosted far from the user, the physical distance increases network latency, causing slow performance. Bandwidth could be a factor but is not directly tied to geographic distance, while elasticity and fault tolerance are unrelated to the location of the host.

Answer

Bandwidth

Answer

Elasticity

Answer

Fault tolerance

Question 5

A company uses a public cloud provider for compute resources. To reduce costs, they want to use unused capacity at a lower price but accept that the instance may be terminated with short notice. Which pricing model should they choose?

Accepted Answer

Spot instance. This question tests knowledge of advanced cloud pricing models. A spot instance (or preemptible VM) uses unused cloud capacity at a steep discount but can be terminated when the provider needs the resources back. On-demand is full price, reserved is for long-term commitments, and dedicated hosts are for isolation, not cost savings with termination risk.

Answer

On-demand instance

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Reserved instance

Answer

Dedicated host

Question 6

A small business owner wants to access their accounting software from any device, including a tablet and a home computer, without installing the software locally. Which cloud service model should the technician recommend?

Accepted Answer

Software as a Service (SaaS). SaaS (Software as a Service) delivers applications over the internet, accessible via a web browser without local installation. This matches the requirement of accessing accounting software from any device without installation. PaaS and IaaS provide platforms or infrastructure, not end-user applications.

Answer

Infrastructure as a Service (IaaS)

Answer

Platform as a Service (PaaS)

Answer

Desktop as a Service (DaaS)

Question 7

A user reports that their cloud-based file synchronization service stopped updating files after a recent OS update. The technician verifies the service is running and the internet connection is active. What should the technician check next?

Accepted Answer

Check the sync client's authentication status. Cloud file sync issues often stem from authentication problems, such as expired credentials or session tokens. Since the service is running and connectivity is fine, the most likely cause is that the user's login token expired and needs re-authentication. Checking the sync logs would reveal the authentication failure.

Answer

Reinstall the sync client application

Answer

Disable the firewall temporarily

Answer

Increase the storage quota on the cloud account

Question 8

A technician is configuring a cloud-based virtual machine for a developer who needs to run a custom application that requires 16 GB of RAM and 4 vCPUs. The technician selects an instance type that meets these specs. After launching, the developer complains the application runs slowly. What is the most likely cause?

Accepted Answer

Resource contention from other tenants. Cloud VMs often experience resource contention due to noisy neighbors in multi-tenant environments. Even if the instance type meets specs, performance can degrade if other tenants on the same physical host consume resources. The technician should check if the instance is on a shared host and consider dedicated instances.

Answer

Insufficient storage IOPS

Answer

Network bandwidth throttling

Answer

Incorrect operating system version

Question 9

A small business wants to move its on-premises file server to the cloud to reduce hardware maintenance costs. They need full control over the operating system and applications running on the server. Which cloud service model should they choose?

Accepted Answer

Infrastructure as a Service (IaaS). This scenario requires the customer to manage the OS and applications, which is characteristic of IaaS. IaaS provides virtual machines where the user controls the OS and installed software, while the provider manages the physical hardware.

Answer

Software as a Service (SaaS)

Answer

Platform as a Service (PaaS)

Answer

Desktop as a Service (DaaS)

Question 10

A user reports that a cloud-hosted application is running very slowly during peak hours. The application is hosted on an IaaS platform with a single virtual machine. Which of the following is the most likely cause?

Accepted Answer

The virtual machine is under-provisioned for the current workload. In IaaS, performance issues during peak hours often indicate that the virtual machine lacks sufficient resources (CPU, RAM) to handle increased load. Scaling up the VM or adding more instances can resolve this. Other factors like local internet or power are less likely to be the primary cause.

Answer

The user's internet connection is saturated

Answer

The cloud provider is experiencing a regional outage

Answer

The application's power supply is failing

Question 11

A technician is troubleshooting a hybrid cloud environment where an on-premises application needs to access a cloud-based database. The connection is intermittent and slow. The technician checks the local network and finds no issues. Which of the following is the most likely cause?

Accepted Answer

The internet connection between the sites has high latency or packet loss. In a hybrid cloud, latency and bandwidth issues often stem from the internet connection between the on-premises site and the cloud. Even if the local network is fine, the WAN link may be congested or have high latency. DNS or firewall issues would typically cause complete failures, not intermittent slowness.

Answer

The cloud database is configured with the wrong DNS records

Answer

The on-premises firewall is blocking the database port

Answer

The cloud provider is performing maintenance on the database server

Question 12

A customer reports that their desktop PC emits a series of three long beeps and then nothing appears on the screen. The system was working fine yesterday. What is the most likely cause of this issue?

Accepted Answer

Loose or failed RAM module. Three long beeps during POST typically indicate a memory (RAM) failure. This is a common POST code for many BIOS manufacturers, and reseating or replacing the RAM modules is the first troubleshooting step. The beeps are a diagnostic signal from the motherboard that the system cannot proceed without functional memory.

Answer

Faulty power supply unit

Answer

Overheating CPU

Answer

Corrupted operating system files

Question 13

A user reports that their PC emits a continuous series of short beeps and will not display anything on the screen. The system was working fine after a recent RAM upgrade. What is the most likely cause of this issue?

Accepted Answer

The new RAM is incompatible or faulty. Continuous short beeps typically indicate a power supply failure or a motherboard power issue. However, given the recent RAM upgrade, it is more likely that the new RAM is incompatible or not seated correctly. The technician should first reseat the RAM and try the original modules to isolate the problem.

Answer

The CPU is overheating

Answer

The graphics card is not seated properly

Answer

The motherboard is shorting against the case

Question 14

A technician is troubleshooting a PC that boots to a black screen with a blinking cursor after the BIOS screen. The system has a single SSD with the OS installed. The BIOS detects the SSD. What is the most likely cause?

Accepted Answer

The bootloader is corrupted. A black screen with a blinking cursor after POST indicates the BIOS found a bootable device but cannot locate the bootloader. This is often due to a corrupted Master Boot Record (MBR) or GUID Partition Table (GPT). The technician should boot from installation media and use the Startup Repair or bootrec commands to rebuild the bootloader.

Answer

The SSD is not properly formatted

Answer

The RAM is faulty

Answer

The power supply is underpowered

Question 15

A user reports that their PC boots to a black screen with a blinking cursor after installing a new SATA SSD. The old hard drive is still connected. What is the most likely issue?

Accepted Answer

The boot order in BIOS is incorrect. The blinking cursor on a black screen usually indicates the system cannot find a bootable device. With two drives connected, the boot order in the BIOS may be set to the old hard drive or the new SSD may not have an OS installed.

Answer

The new SSD is defective

Answer

The SATA cable is loose

Answer

The power supply is insufficient