OA Exams

  • web.groovymark@gmail.com
  • November 28, 2024

Question 41

Which protocol is used to securely transfer files over a network?

a) FTP
b) HTTP
c) SFTP
d) DNS

Correct Answer: c) SFTP

Explanation: SFTP (Secure File Transfer Protocol) is used to securely transfer files over a network, providing encryption to protect data during transmission.

Question 42

Which type of device detects external information and communicates it for processing?

a) Sensor
b) Modem
c) Firewall
d) Switch

Correct Answer: a) Sensor

Explanation: Sensors detect physical information, such as temperature or motion, and communicate it to a system for processing.

Question 43

What is the function of RAID (Redundant Array of Independent Disks) in data storage?

a) To increase the speed of a single disk
b) To provide redundancy and improve fault tolerance
c) To enable wireless communication
d) To connect multiple devices to a network

Correct Answer: b) To provide redundancy and improve fault tolerance

Explanation: RAID combines multiple disks to provide redundancy and improve fault tolerance, ensuring data is not lost if one disk fails.

Question 44

Which of the following describes the main function of a proxy server?

a) To encrypt all network traffic
b) To connect different networks
c) To act as an intermediary between client requests and the internet
d) To block unauthorized users

Correct Answer: c) To act as an intermediary between client requests and the internet

Explanation: A proxy server acts as an intermediary between a client's request and the internet, often used for security and privacy purposes.

Question 45

Which of the following refers to a physical or virtual keyboard being tracked without the user’s knowledge?

a) Spamming
b) Keylogging
c) Adware
d) Phishing

Correct Answer: b) Keylogging

Explanation: Keylogging refers to software or hardware that tracks every keystroke a user makes, typically for malicious purposes.

Question 46

 What is the function of a ‘default-deny’ firewall rule?

a) It blocks all traffic unless explicitly allowed
b) It allows all traffic unless explicitly denied
c) It blocks traffic from specific IP addresses
d) It allows all traffic except on specific ports

Correct Answer: a) It blocks all traffic unless explicitly allowed

Explanation: A default-deny firewall rule blocks all incoming or outgoing traffic unless there is an explicit rule to allow it.

Question 47

Which of the following describes ‘greenwashing’ in a corporate context?

a) Misleading customers about the environmental benefits of a product
b) Recycling electronic waste
c) Implementing eco-friendly practices
d) Reducing carbon emissions in production

Correct Answer: a) Misleading customers about the environmental benefits of a product

Explanation: Greenwashing is when a company falsely claims that their products or practices are environmentally friendly to attract customers.

Question 48

Which component stores the BIOS (Basic Input/Output System) in a computer?

a) Hard Drive
b) RAM
c) ROM
d) SSD

Correct Answer: c) ROM

Explanation: The BIOS is stored in the ROM (Read-Only Memory), which retains the data needed for system startup.

Question 49

Which of the following describes the purpose of a firewall in a network?

a) To monitor network trafficL
b) To prevent unauthorized access to a network
c) To increase network speed
d) To store backup data

Correct Answer: b) To prevent unauthorized access to a network

Explanation: A firewall blocks unauthorized access to a network while allowing legitimate communication, serving as a security measure.

Question 50

What is the primary benefit of using cloud computing in businesses?

a) Increased internet speed
b) Lower upfront infrastructure costs
c) Improved physical security
d) Access to local storage

Correct Answer: b) Lower upfront infrastructure costs


Explanation: Cloud computing reduces the need for businesses to invest in physical infrastructure by allowing access to scalable, on-demand resources over the internet.

Complete the Captcha to view next question set.

Tags

Prev Post
WGU D075 Practice Exam Questions – Set 3 – Part 2
Next Post
WGU D076 Practice Exam Questions – Set 2 – Part 2