Exam
Question 1. Which of the following best describes the difference
between IaaS and PaaS in cloud computing?
A) IaaS provides only software, PaaS provides only hardware
B) IaaS offers virtualized computing resources, PaaS offers development
platforms and tools
C) IaaS is for managing databases, PaaS is for network management
D) IaaS and PaaS are functionally identical
Answer: B
Explanation: IaaS provides raw infrastructure like servers and storage,
while PaaS provides a platform for application development and
deployment.
Question 2. What is elasticity in cloud computing?
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A) The ability to stretch cables between data centers
B) The capability to automatically scale resources up or down based on
demand
C) The ability to store data in multiple formats
D) The process of encrypting data
Answer: B
Explanation: Elasticity allows cloud resources to automatically adjust to
workload changes, ensuring efficient resource usage.
Question 3. In Alibaba Cloud, which service provides scalable virtual
servers?
A) Object Storage Service (OSS)
B) Elastic Compute Service (ECS)
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C) ApsaraDB for RDS
D) Resource Access Management (RAM)
Answer: B
Explanation: ECS is Alibaba Cloud's service for providing scalable virtual
servers.
Question 4. Which networking service is used to create an isolated
network environment in Alibaba Cloud?
A) Security Center
B) Virtual Private Cloud (VPC)
C) Server Load Balancer (SLB)
D) CloudMonitor
Answer: B
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Explanation: VPC allows users to create a logically isolated network for
resources on the cloud.
Question 5. What does the shared responsibility model in cloud
computing refer to?
A) The provider is responsible for everything
B) The provider and the customer share security and management
responsibilities
C) Only the customer is responsible
D) Both provider and customer have no responsibility
Answer: B
Explanation: In the shared responsibility model, the provider manages
infrastructure security, while the customer manages data, access, and
application security.