Selected MCQ

Current Question
Which cloud service model provides virtual computing resources such as servers, storage, and networks to customers?
  • A. SaaS
  • B. PaaS
  • C. IaaS
  • D. DaaS
Correct Answer: C
Explanation:
Infrastructure as a Service (IaaS) offers virtualized computing infrastructure (servers, networks, storage).
Related Question 1
Which of these is NOT one of the three primary service models of cloud computing?
  • A. Infrastructure as a Service (IaaS)
  • B. Platform as a Service (PaaS)
  • C. Container as a Service (CaaS)
  • D. Software as a Service (SaaS)
Correct Answer: C
Explanation:
The main models are IaaS, PaaS, and SaaS; CaaS is not a standard term.
Related Question 2
What is the key benefit of virtualization in cloud computing?
  • A. Reduced internet speed
  • B. Isolation of applications in secure environments
  • C. Human-driven networking
  • D. No changes needed
Correct Answer: B
Explanation:
Virtualization isolates and encapsulates applications in virtual machines or containers.
Related Question 3
What model of cloud computing delivers software applications over the internet and manages them centrally?
  • A. IaaS
  • B. PaaS
  • C. SaaS
  • D. DaaS
Correct Answer: C
Explanation:
SaaS provides software applications as a service, running on the cloud provider's infrastructure.
Related Question 4
How does edge computing differ from cloud computing?
  • A. Edge computing processes data close to the source, reducing latency
  • B. Edge computing requires no security measures
  • C. Edge computing is only for mobile devices
  • D. Edge computing uses infinite storage
Correct Answer: A
Explanation:
Edge computing processes data close to the source (at the network edge), which reduces latency compared to sending everything to the cloud.
Related Question 5
Which service provides automated application security scanning against known vulnerabilities?
  • A. VPN
  • B. IDS (Intrusion Detection System)
  • C. WAF (Web Application Firewall)
  • D. Antivirus
Correct Answer: C
Explanation:
A Web Application Firewall (WAF) filters and monitors HTTP traffic for vulnerabilities like SQL injection.