Computer Network MCQs with Answers for Placement Tests
Q. 1 Which layer of the OSI model is responsible for logical addressing and routing?
Check Solution
Ans: B
The Network Layer is responsible for logical addressing (IP addresses) and routing packets between devices.
Q. 2 What does HTTP stand for?
Check Solution
Ans: A
HTTP stands for HyperText Transfer Protocol, used for communication between web browsers and servers.
Q. 3 Which of the following is a connection-oriented protocol?
Check Solution
Ans: C
TCP (Transmission Control Protocol) is connection-oriented and ensures reliable data transmission.
Q. 4 In networking, what does DNS stand for?
Check Solution
Ans: A
DNS stands for Domain Name System, which translates domain names into IP addresses.
Q. 5 Which device operates at the Data Link Layer of the OSI model?
Check Solution
Ans: C
A switch operates at the Data Link Layer, forwarding frames based on MAC addresses.
Q. 6 What is the default port number for HTTPS?
Check Solution
Ans: D
The default port number for HTTPS (secure HTTP) is 443.
Q. 7 Which protocol is used for sending emails?
Check Solution
Ans: B
SMTP (Simple Mail Transfer Protocol) is used for sending emails between servers.
Q. 8 What type of IP address is 192.168.1.1?
Check Solution
Ans: B
192.168.1.1 is a Private IP address, commonly used in local networks.
Q. 9 Which topology has a central node through which all data passes?
Check Solution
Ans: C
In Star topology, all devices are connected to a central node (like a switch or hub).
Q. 10 Which of the following is not a valid IPv6 address format?
Check Solution
Ans: C
192.168.0.1 is an IPv4 address, not IPv6.
Next Topic: DBMS MCQs with Answers for Placements
Practice Aptitude Questions for Placements
Crack Placement Tests: Faster & Smarter
Adaptive Practice | Real Time Insights | Resume your Progress
