CompTIA A+ Core 1 Practice Questions: Virtualization and Cloud Computing

5 free, exam-style CompTIA A+ Core 1 (220-1201) practice questions covering Virtualization and Cloud Computing. Each question shows the correct answer and a clear explanation. Ready for the real thing? Take the full timed quiz below.

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Q1. Which cloud characteristic describes the ability of cloud computing resources to scale up or down automatically based on demand, without manual intervention?

A.Shared resources
B.Metered utilization
C.Rapid elasticity✓ Correct
D.High availability

Explanation: Rapid elasticity is a key cloud characteristic that means computing resources can be quickly and automatically provisioned, scaled up, or scaled down to meet fluctuating demands, ensuring optimal performance and cost efficiency. Learn more.

Q2. Which cloud computing deployment model combines two or more distinct cloud infrastructures (e.g., private and public) that remain unique entities but are bound together by standardized technology, enabling data and application portability?

A.Private cloud
B.Public cloud
C.Hybrid cloud✓ Correct
D.Community cloud

Explanation: A hybrid cloud combines elements of both public and private clouds, allowing organizations to leverage the scalability of public clouds while maintaining sensitive data or critical applications in a private environment. Objective 4.1 covers 'Common cloud models' including 'Hybrid cloud'. Learn more.

Q3. In software-defined networking, which plane makes centralized forwarding decisions while switches carry out those decisions?

A.Data plane
B.Power plane
C.Presentation plane
D.Control plane✓ Correct

Explanation: The SDN control plane determines forwarding policy and programs network devices, while the data plane forwards packets according to those rules. Learn more.

Q4. A cloud provider hosts several customers on shared physical infrastructure while keeping each customer's data logically separated. Which concept is demonstrated?

A.Multitenancy✓ Correct
B.Air gapping
C.Single tenancy
D.Local-only computing

Explanation: Multitenancy allows multiple customers to share provider infrastructure while maintaining logical isolation between their workloads and data. Learn more.

Q5. An organization hosts employee desktop environments centrally and streams the interface to thin clients. Which solution is being used?

A.NAS
B.VDI✓ Correct
C.SAN
D.VLAN

Explanation: Virtual desktop infrastructure hosts desktop operating systems centrally and delivers users a remote desktop session from endpoint devices. Learn more.