What is the function of the 'ping' command in relation to a web domain? MCQ with Answer and Explanation

Question
What is the function of the 'ping' command in relation to a web domain?
A. To trace the route
B. To test DNS resolution and connectivity
C. To measure page load time
D. To retrieve the IP address
Answer: Option B
Solution (By JKSSB Mock Tests)
Ping resolves the domain to an IP and sends ICMP packets to test reachability, thus checking connectivity and DNS.
This question belongs to: Computer Internet and Web Technologies
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Question #1
Which of the following ports is the standard default port for unencrypted POP3 email retrieval?
A. 143
B. 25
C. 110
D. 995
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Correct Answer: Option C

Explanation:
Port 110 is the traditional network port allocated for unencrypted Post Office Protocol version 3 (POP3) traffic.
This question belongs to: Computer Internet and Web Technologies
Question #2
Which standard cryptographic protocol is most commonly used to establish an encrypted and secure link between a web browser and a web server in modern HTTPS implementations?
A. SSH
B. SFTP
C. PPTP
D. TLS
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Correct Answer: Option D

Explanation:
Transport Layer Security (TLS) is the modern cryptographic protocol that has succeeded Secure Sockets Layer (SSL) to secure HTTP communications over HTTPS.
This question belongs to: Computer Internet and Web Technologies
Question #3
What is a web browser's 'bookmark' used for?
A. To block websites
B. To store passwords
C. To manage browsing history
D. To save a URL for quick access later
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Correct Answer: Option D

Explanation:
A bookmark (or favorite) is a stored link to a web page that allows users to quickly revisit it without typing the URL again.
This question belongs to: Computer Internet and Web Technologies
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