Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Multiple Choice Questions
Q61: What tool is used today to test whether a computer is online or not?
- A: Traceroute
- B: PING
- C: Router
- D: Firewall
View Answer
B
Q62: The PING command sends ________ to check connectivity.
- A: DNS requests
- B: HTTP packets
- C: ICMP packets
- D: ARP packets
View Answer
C
Q63: PING also provides information such as:
- A: Website content
- B: Browser history
- C: IP address and round-trip time
- D: User password
View Answer
C
Q64: What does round-trip time in PING refer to?
- A: Time to boot
- B: Time to load webpage
- C: Time for packet to reach and return
- D: Time for login
View Answer
C
Q65: If PING fails, it could be due to:
- A: Remote computer problem
- B: Local computer problem
- C: Network congestion
- D: All of the above
View Answer
D
Q66: Some computers reject ping packets to prevent:
- A: Network sharing
- B: DNS poisoning
- C: Denial of Service attack
- D: Trojan injection
View Answer
C
Q67: Despite limitations, PING is still widely used as a:
- A: Programming tool
- B: Diagnostic tool
- C: Gaming tool
- D: Backup tool
View Answer
B
Q68: Which tool is used to get more detailed information than PING?
- A: Trace Route
- B: NetStat
- C: Firewall Checker
- D: ARP Finder
View Answer
A
Q69: Trace Route helps identify:
- A: IP addresses of all visited websites
- B: All hops between source and destination
- C: Only destination IP
- D: MAC addresses
View Answer
B
Q70: In Trace Route, each computer between the source and destination is called a:
- A: Firewall
- B: Node
- C: Gateway
- D: Hop
View Answer
D