Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Chapter: 2
Q61:
What tool is used today to test whether a computer is online or not?
A. Traceroute
B. PING
C. Router
D. Firewall
Correct Answer:
B
Chapter: 2
Q62:
The PING command sends ________ to check connectivity.
A. DNS requests
B. HTTP packets
C. ICMP packets
D. ARP packets
Correct Answer:
C
Chapter: 2
Q63:
PING also provides information such as:
A. Website content
B. Browser history
C. IP address and round-trip time
D. User password
Correct Answer:
C
Chapter: 2
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
Correct Answer:
C
Chapter: 2
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
Correct Answer:
D
Chapter: 2
Q66:
Some computers reject ping packets to prevent:
A. Network sharing
B. DNS poisoning
C. Denial of Service attack
D. Trojan injection
Correct Answer:
C
Chapter: 2
Q67:
Despite limitations, PING is still widely used as a:
A. Programming tool
B. Diagnostic tool
C. Gaming tool
D. Backup tool
Correct Answer:
B
Chapter: 2
Q68:
Which tool is used to get more detailed information than PING?
A. Trace Route
B. NetStat
C. Firewall Checker
D. ARP Finder
Correct Answer:
A
Chapter: 2
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
Correct Answer:
B
Chapter: 2
Q70:
In Trace Route, each computer between the source and destination is called a:
A. Firewall
B. Node
C. Gateway
D. Hop
Correct Answer:
D
Chapter: 2
Q71:
The program used to send 64 bytes to sears.com is __________.
A. PING
B. Trace Route
C. Netstat
D. Firewall
Correct Answer:
A
Chapter: 2
Q72:
ARPANET was developed by __________.
A. Microsoft
B. Google
C. ARPA
D. IBM
Correct Answer:
C
Chapter: 2
Q73:
Exponential growth of internet appears ______ on log scale.
A. Random
B. Flat
C. Linear
D. Curved
Correct Answer:
C
Chapter: 2
Q74:
Resource sharing allows access to resources regardless of their ________.
A. Type
B. Location
C. Speed
D. Name
Correct Answer:
B
Chapter: 2
Q75:
In the 1970s, internet emerged as a result of __________.
A. Private companies
B. ARPA research
C. Military conflict
D. Public demand
Correct Answer:
B
Chapter: 2
Q76:
The primary aim of ARPA was to provide access to __________.
A. Games
B. Research papers
C. Latest computers
D. Printers
Correct Answer:
C
Chapter: 2
Q77:
Computers used in early days were ________.
A. Portable
B. Cheap
C. Expensive
D. Unavailable
Correct Answer:
C
Chapter: 2
Q78:
The PING tool checks if a host is ________.
A. Busy
B. Offline
C. Online
D. Reset
Correct Answer:
C
Chapter: 2
Q79:
ARPA's networking method included ________.
A. Trace routing
B. Wireless networking
C. Internetworking and packet switching
D. Dial-up connection
Correct Answer:
C
Chapter: 2
Q80:
The number of computers on the internet today is calculated through ________.
A. Manual log
B. Probing the Internet
C. Statistical guess
D. Random check
Correct Answer:
B