What is the function of the 'ping' command in networking? MCQ with Answer and Explanation

What is the function of the 'ping' command in networking?
A. To resolve domain names
B. To test connectivity to a host
C. To display network configuration
D. To trace the route to a host
Answer: Option B
Solution (By JKSSB Mock Tests)
Ping uses ICMP echo requests to test reachability of a host and measure round-trip time, a basic network diagnostic tool.

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Practice More Internet and Web Technologies Questions

Question #1
In a URL scheme like '[https://www.example.com:8080/index.html](https://www.google.com/search?q=https://www.example.com:8080/index.html)', what does the component '8080' specifically represent?
A. The encryption key length
B. The network port number
C. The sub-domain identifier
D. The directory path length

Correct Answer: Option B


Explanation:
The number after the colon following the host or domain name represents the specific port number over which the network service is being accessed.

This question belongs to: Computer Internet and Web Technologies
Question #2
Which of the following is a method of authentication that uses a token for API access?
A. Basic Auth
B. Digest Auth
C. OAuth
D. NTLM

Correct Answer: Option C


Explanation:
OAuth (Open Authorization) is an open standard for token-based authentication, commonly used for APIs to allow third-party services access without exposing passwords.

This question belongs to: Computer Internet and Web Technologies
Question #3
Which internet protocol is primarily utilized to sync time clocks across distributed computer systems over packet-switched networks?
A. DHCP
B. FTP
C. IMAP
D. NTP (Network Time Protocol)

Correct Answer: Option D


Explanation:
NTP (Network Time Protocol) synchronizes computer system clocks to a common time standard over network links, maintaining high accuracy.

This question belongs to: Computer Internet and Web Technologies