CompTIA A+ 220-1101 Virtualization and Cloud Computing Practice Test
General Information
20 questions with explained answers to help prepare for the exam.
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Questions and Answers
Question 1
Topic: Virtualization
Correct Answer: C
Explanation: Virtualization provides isolation and flexibility in running multiple operating systems on a single physical machine, allowing multiple OS to operate on one machine.
Question 2
Topic: Cloud Computing
Correct Answer: B
Explanation: Cloud computing is characterized by shared resources, which promote efficient use and cost savings.
Question 3
Topic: Public Cloud Service
Correct Answer: A
Explanation: Amazon Web Services (AWS) is a public cloud service, offered by third-party providers and accessible over the internet.
Question 4
Topic: Benefits of Cloud Computing
Correct Answer: C
Explanation: Cloud computing reduces capital expenditure by removing the need to purchase and maintain on-premises hardware.
Question 5
Topic: Disadvantages of Cloud Computing
Correct Answer: D
Explanation: Dependency on the internet can be a disadvantage due to reliance on connectivity for services and data.
Question 6
Topic: Private Cloud Service
Correct Answer: D
Explanation: VMware Cloud Foundation is a private cloud service hosted within an organization's infrastructure.
Question 7
Topic: Benefits of Virtualization
Correct Answer: C
Explanation: Virtualization reduces power consumption by running multiple virtual machines on a single physical machine, improving energy efficiency.
Question 8
Topic: Disadvantages of Virtualization
Correct Answer: B
Explanation: Virtualization increases hardware requirements to support multiple virtual machines.
Question 9
Topic: Hybrid Cloud Environment
Correct Answer: C
Explanation: A hybrid cloud environment uses both public and private cloud services.
Question 10
Topic: Benefits of Hybrid Cloud Environment
Correct Answer: C
Explanation: Hybrid cloud environments provide increased flexibility, allowing choice of the most suitable cloud service for workloads or applications.
Question 11
Topic: Hypervisors
Correct Answer: B
Explanation: Microsoft Hyper-V is an example of a hypervisor, allowing multiple virtual machines to run on one physical machine.
Question 12
Topic: Benefits of Cloud Storage
Correct Answer: B
Explanation: Cloud storage increases data security via offsite storage, encryption, and access control features.
Question 13
Topic: Disadvantages of Cloud Storage
Correct Answer: A
Explanation: While increasing data accessibility, cloud storage can heighten risks of unauthorized access or data breaches.
Question 14
Topic: Software as a Service (SaaS)
Correct Answer: C
Explanation: SaaS is characterized by a pay-per-use model, allowing users to access software applications online.
Question 15
Topic: Platform as a Service (PaaS)
Correct Answer: D
Explanation: PaaS offers a pre-configured environment for application development and deployment.
Question 16
Topic: Infrastructure as a Service (IaaS)
Correct Answer: C
Explanation: IaaS provides direct access to virtualized hardware resources over the internet.
Question 17
Topic: Benefits of Server Virtualization
Correct Answer: B
Explanation: Server virtualization reduces power consumption, allowing multiple virtual servers on one physical machine.
Question 18
Topic: Disadvantages of Server Virtualization
Correct Answer: A
Explanation: Server virtualization can increase hardware requirements to support virtual servers.
Question 19
Topic: Public Cloud Storage Service
Correct Answer: A
Explanation: Amazon S3 is a public cloud storage service, offering data storage and retrieval over the internet.
Question 20
Topic: Benefits of Cloud Backup and Recovery
Correct Answer: D
Explanation: Cloud backup and recovery improve data recovery times with offsite backups and rapid restoration.
Additional Resources
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