What is the function of an IP address? MCQ with Answer and Explanation

What is the function of an IP address?
A. To encrypt data
B. To translate domain names
C. To store web pages
D. To identify a device on a network
Answer: Option D
Solution (By JKExamLibrary)
An IP address is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication.

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Practice More Internet and Web Technologies Questions

Question #1
Which specific protocol variant establishes a secure, encrypted file management channel over a standard Transport Layer Security (TLS) tunnel, separate from SSH-based options?
A. SMTP outbound pathways
B. Standard unencrypted FTP rules
C. Telnet console links
D. FTPS (File Transfer Protocol Secure)

Correct Answer: Option D


Explanation:
FTPS uses SSL/TLS encryption to protect file transfers, distinct from SFTP which relies on the SSH protocol layer for its security tunnels.

This question belongs to: Computer Internet and Web Technologies
Question #2
What is the primary operational task of a 'Local DNS Cache' operating within an individual computer's operating system environment?
A. To parse HTML structural page data inside browser applications
B. To track local physical network interface hardware performance logs
C. To temporarily store recently resolved domain-to-IP address lookups locally, avoiding the need to query external DNS servers for repeat visits
D. To filter email spam items from corporate mail boxes

Correct Answer: Option C


Explanation:
The local DNS cache retains recent domain resolutions in device memory, reducing latency and network traffic by accelerating address lookups for frequently visited websites.

This question belongs to: Computer Internet and Web Technologies
Question #3
What does the 'CC' field stand for in an email configuration pane, and what is its standard function?
A. Core Connection; to map mail server endpoints dynamically
B. Carbon Copy; to send a visible duplicate copy of the email to secondary recipients
C. Cache Cleaner; to delete temporary historical log items
D. Client Cryptography; to secure message contents using passwords

Correct Answer: Option B


Explanation:
Cc stands for Carbon Copy. Recipients listed in the Cc field receive a copy of the email, and their addresses are visible to all other recipients.

This question belongs to: Computer Internet and Web Technologies