OA Exams

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  • December 26, 2024

Question 21

What is a key benefit of using public cloud services?

a) Full control over data centers
b) Scalability and flexibility
c) Higher security than private cloud
d) Lower compliance requirements

Correct Answer: b) Scalability and flexibility

Explanation: Public cloud services offer scalability and flexibility, allowing users to
easily scale up or down based on demand.

Question 22

What is the function of a Virtual Application Delivery Controller (vADC)?

a) To manage firewall settings
b) To distribute network traffic across multiple servers
c) To store data in the cloud
d) To allocate memory to virtual machines

Correct Answer: b) To distribute network traffic across multiple servers

Explanation: A vADC optimizes resource use by distributing network traffic across
multiple servers, preventing overload.

Question 23

What should be configured to protect against Distributed Denial of Service (DDoS)
attacks in a cloud environment?

a) VPN
b) Firewall
c) DDoS protection
d) VLAN

Correct Answer: c) DDoS protection

Explanation: DDoS protection is designed to defend against attacks that flood network
resources, disrupting services.

Question 24

What technology enables the separation of network traffic into different virtual
networks on the same physical network infrastructure?

a) VLAN
b) VPN
c) RAID
d) SAN

Correct Answer: a) VLAN

Explanation: Virtual LANs (VLANs) enable the creation of virtual networks within a
single physical network, improving security and traffic management.

Question 25

What is the purpose of using encryption in a cloud environment?

a) To reduce latency
b) To secure data during transmission and storage
c) To improve storage capacity
d) To balance network traffic

Correct Answer: b) To secure data during transmission and storage

Explanation: Encryption ensures that data is protected during transmission and when
stored in the cloud, safeguarding it from unauthorized access.

Question 26

What is the role of a cloud architect in a cloud deployment?

a) To manage hardware infrastructure
b) To design and plan the cloud infrastructure
c) To monitor cloud performance
d) To manage user accounts

Correct Answer: b) To design and plan the cloud infrastructure

Explanation: A cloud architect is responsible for designing and planning the
infrastructure needed for cloud deployment.

Question 27

What does memory ballooning enable in virtualization?

a) To increase storage space
b) To reclaim unused memory from virtual machines
c) To prevent CPU overcommitment
d) To encrypt memory pages

Correct Answer: b) To reclaim unused memory from virtual machines

Explanation: Memory ballooning allows a hypervisor to reclaim unused memory from a
VM and allocate it to other VMs as needed.

Question 28

What is a key characteristic of a private cloud?

a) It is accessible to the general public
b) It offers the highest level of control over data and security
c) It provides unlimited scalability
d) It has lower latency than public clouds

Correct Answer: b) It offers the highest level of control over data and security

Explanation: A private cloud offers dedicated resources and greater control over data,
security, and compliance.

Question 29

What cloud model combines the benefits of both private and public clouds?

a) Hybrid cloud
b) Community cloud
c) SaaS
d) PaaS

Correct Answer: a) Hybrid cloud

Explanation: A hybrid cloud combines the control of private cloud with the scalability of
public cloud, offering flexibility and cost efficiency.

Question 30

What does a Content Delivery Network (CDN) do?

a) Ensures data integrity
b) Encrypts data in transit
c) Distributes content to users from the nearest server location
d) Monitors cloud resource usage

Correct Answer: c) Distributes content to users from the nearest server location

Explanation: A CDN reduces latency by caching and delivering content from servers
closest to the user.

Question 31

 What feature of cloud services ensures that resources are allocated efficiently based on
current demand?

a) Elasticity
b) Redundancy
c) Virtualization
d) Snapshotting

Correct Answer: a) Elasticity

Explanation: Elasticity allows cloud resources to scale dynamically to match demand,
ensuring efficient resource usage.

Question 32

What is the purpose of using object storage in cloud environments?

a) To store structured data
b) To store large files like videos or backups
c) To manage network traffic
d) To encrypt small data files

Correct Answer: b) To store large files like videos or backups

Explanation: Object storage is optimized for storing unstructured data, such as videos,
images, or backups.

Question 33

What is a key benefit of using Desktop as a Service (DaaS)?

a) Reduced internet traffic
b) Centralized management of desktops
c) Increased CPU performance
d) Improved physical security

Correct Answer: b) Centralized management of desktops

Explanation: DaaS centralizes desktop management and allows users to access their
desktops from any device over the internet.

Question 34

What type of cloud service model provides virtualized computing resources over the
internet?

a) SaaS
b) PaaS
c) IaaS
d) DaaS

Correct Answer: c) IaaS

Explanation: Infrastructure as a Service (IaaS) provides virtualized computing resources,
such as virtual machines, over the internet.

Question 35

In cloud computing, what is a baseline used for?

a) To ensure data security
b) To monitor system performance over time
c) To allocate storage space
d) To manage network traffic

Correct Answer: b) To monitor system performance over time

Explanation: A baseline is a set of performance metrics used to track and compare system
performance over time.

Question 36

What is the purpose of using a dedicated private connection between a corporate data
center and the cloud?

a) To provide faster internet speeds
b) To increase storage capacity
c) To reduce latency and improve security
d) To monitor network traffic

Correct Answer: c) To reduce latency and improve security

Explanation: A dedicated private connection provides a secure and low-latency link
between a corporate data center and cloud resources.

Question 37

What is the key function of a VPN in a cloud environment?

a) To enable virtual machine creation
b) To encrypt data in transit between cloud users and the cloud
c) To store backup data
d) To allocate more memory to virtual machines

Correct Answer: b) To encrypt data in transit between cloud users and the cloud

Explanation: A Virtual Private Network (VPN) encrypts data transmitted between users
and cloud resources, ensuring secure communication.

Question 38

What does role-based access control (RBAC) allow administrators to do?

a) Manage data encryption
b) Assign permissions based on user roles
c) Prevent data loss
d) Monitor network traffic

Correct Answer: b) Assign permissions based on user roles

Explanation: RBAC allows administrators to assign permissions to users based on their
roles within the organization.

Question 39

What ensures that data is consistent across multiple cloud servers in real-time?

a) Asynchronous replication
b) Data encryption
c) Synchronous replication
d) RAID

Correct Answer: c) Synchronous replication

Explanation: Synchronous replication ensures that data is mirrored across multiple
servers simultaneously, maintaining consistency.

Question 40

What is a common use case for PaaS in cloud environments?

a) Hosting websites
b) Developing and testing applications
c) Storing encrypted data
d) Managing network traffic

Correct Answer: b) Developing and testing applications

Explanation: PaaS provides developers with the necessary tools to develop, test, and
deploy applications in the cloud.

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