IT Systems & Cloud Computing

JKSSB Sub-Inspector (Telecommunication) · IT Systems & e-Governance · 18 practice questions with answers and explanations: 11 Easy, 7 Medium, 0 Hard.

Sample questions

Sample Easy question 1

In cloud computing, what does SaaS stand for?

  1. Storage as a System
  2. Security as a Server
  3. System as a Service
  4. Software as a Service
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Answer: D. SaaS delivers ready-to-use software over the internet, such as web-based email.

Sample Easy question 2

What does IaaS stand for?

  1. Information as a Server
  2. Internet as a Service
  3. Infrastructure as a Service
  4. Integration as a System
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Answer: C. IaaS provides virtual machines, storage and networks on demand.

Sample Easy question 3

What does PaaS stand for?

  1. Program as a System
  2. Package as a Storage
  3. Platform as a Service
  4. Process as a Server
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Answer: C. PaaS gives developers a platform to build and run applications.

Sample Medium question 4

What does RAID 1 do?

  1. Encrypts data on disk
  2. Stripes data without redundancy
  3. Mirrors data across two or more disks
  4. Compresses the data on disk
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Answer: C. RAID 1 keeps identical copies so the array survives a disk failure.

Sample Medium question 5

What does RAID 0 do?

  1. Mirrors every disk
  2. Stripes data across disks for speed, with no redundancy
  3. Backs up to tape
  4. Keeps parity on every disk
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Answer: B. RAID 0 improves performance but a single disk failure loses data.

Sample Medium question 6

A cloud that combines a private cloud with a public cloud is called a:

  1. Hybrid cloud
  2. Closed cloud
  3. Community cloud
  4. Local cloud
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Answer: A. Hybrid clouds let workloads move between private and public environments.

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