OA Exams

  • web.groovymark@gmail.com
  • December 26, 2024

Question 21

What is not considered a common disk failure?

Correct Answer: b) Swap file issues
Explanation: Swap file issues are typically not related to physical disk failures but to
system memory management.

Question 22

What metric can help test the performance of a hard disk?

Correct Answer: b) Disk latency
Explanation: Disk latency measures the time it takes for a system to retrieve data from
the hard disk.

Question 23

What is a baseline in capacity management?

Correct Answer: b) A comparison point for current demand and future needs
Explanation: A baseline helps assess capacity management by comparing current and
future resource demands.

Question 24

What allows automatic resource provisioning in the cloud?

Correct Answer: a) Elasticity
Explanation: Elasticity refers to the ability to provision and de-provision resources based
on demand automatically.

Question 25

What components are involved in configuration testing? (Choose three)

Correct Answer: a) Storage, b) Server configuration, c) Applications
Explanation: Configuration testing ensures that storage, server settings, and applications
meet expected performance.

Question 26

Which protocol is used to send an email when an alert is triggered?

Correct Answer: c) SMTP
Explanation: Simple Mail Transfer Protocol (SMTP) is used for sending email
notifications when alerts are triggered.

Question 27

 What defines the rule sets that users and administrators must follow?

Correct Answer: c) Policies
Explanation: Policies define the specific rules and guidelines that users and
administrators must adhere to.

Question 28

What ensures normal system functionality despite component failure?

Correct Answer: c) Fault tolerance
Explanation: Fault tolerance allows a system to continue operating even if a component
fails.

Question 29

Which IP address cannot be routed on the public Internet?

Correct Answer: c) 172.16.0.1/16
Explanation: IP addresses in the 172.16.0.0/12 range are reserved for private use and
cannot be routed publicly.

Question 30

What software or hardware allows multiple operating systems to run on a single
physical machine?

Correct Answer: b) Hypervisor
Explanation: A hypervisor enables multiple operating systems to run on a single physical
machine by virtualizing resources.

Question 31

What should you do to ensure the best performance when using iSCSI as a transport
mechanism for NAS? (Choose two)

Correct Answer: a) Increase Ethernet network speed, b) Isolate the storage network
Explanation: Increasing network speed and isolating the storage network ensures optimal
performance when using iSCSI.

Question 32

What should be considered to ensure information security when using a public cloud?

Correct Answer: a) Data integrity
Explanation: Ensuring data integrity is critical to maintaining security when using public
cloud services.

Question 33

What allows a cloud provider to distribute resources on an as-needed basis?

Correct Answer: b) Shared resources
Explanation: Cloud providers use shared resources to distribute computing power
dynamically based on demand.

Question 34

What remote administration method provides a remote display and input capabilities
over the network?

Correct Answer: d) RDP
Explanation: Remote Desktop Protocol (RDP) allows users to access and control a
system remotely over the network.

Question 35

What access control method restricts access based on the identity of subjects or groups?

Correct Answer: c) Discretionary access control
Explanation: Discretionary access control allows access based on the identity of users or
groups and their associated permissions.

Question 36

What protocol uses TCP port 22 by default?

Correct Answer: c) SFTP
Explanation: Secure File Transfer Protocol (SFTP) uses TCP port 22 for secure file
transfers over the network.

Question 37

Which protocol uses port 25?

Correct Answer: c) SMTP
Explanation: Simple Mail Transfer Protocol (SMTP) uses port 25 for sending emails over
the Internet.

Question 38

Which protocol uses port 23?

Correct Answer: b) Telnet
Explanation: Telnet, a remote access protocol, uses port 23 for unencrypted
communication over the Internet.

Question 39

What consolidates multiple network storage devices into a single storage unit managed
from a central console?

Correct Answer: a) SAN
Explanation: A Storage Area Network (SAN) centralizes storage devices for easier
management and allocation.

Question 40

What is the primary difference between an intranet and an extranet?

Correct Answer: a) Access from outside the organization
Explanation: An extranet allows access from external users, while an intranet is restricted
to internal users.

Complete the Captcha to view next question set.

Prev Post
WGU D367 Practice Exam Questions – Set 3 – Part 1
Next Post
WGU D318 Practice Exam Questions – Set 1 – Part 3