Computer Networks MCQ & Objective Questions
Understanding Computer Networks is crucial for students preparing for school and competitive exams. This topic not only forms a significant part of the curriculum but also enhances your grasp of how data communication works. Practicing MCQs and objective questions related to Computer Networks can significantly improve your exam performance by familiarizing you with important concepts and question formats.
What You Will Practise Here
Fundamentals of Computer Networks
Types of Networks: LAN, WAN, and MAN
Network Topologies: Star, Ring, Bus, and Mesh
Protocols and Standards: TCP/IP, HTTP, FTP
Network Devices: Routers, Switches, and Hubs
IP Addressing and Subnetting
Common Network Security Measures
Exam Relevance
Computer Networks is a vital topic in various examinations such as CBSE, State Boards, NEET, and JEE. Questions often focus on definitions, key concepts, and practical applications of network theories. You may encounter multiple-choice questions that test your understanding of network types, protocols, and devices, making it essential to master this area for effective exam preparation.
Common Mistakes Students Make
Confusing different types of networks and their characteristics.
Misunderstanding network protocols and their functions.
Overlooking the importance of IP addressing and subnetting.
Failing to recognize the role of network devices in data transmission.
FAQs
Question: What are the main types of computer networks?Answer: The main types of computer networks include Local Area Network (LAN), Wide Area Network (WAN), and Metropolitan Area Network (MAN).
Question: Why is subnetting important in computer networks?Answer: Subnetting helps in efficient IP address management and improves network performance and security.
Now is the time to enhance your understanding of Computer Networks! Dive into our practice MCQs and test your knowledge to ensure you are well-prepared for your exams. Remember, consistent practice with objective questions will lead to better scores and a clearer grasp of the subject.
Q. Which protocol is primarily used for reliable data transmission in the TCP/IP model?
A.
UDP
B.
ICMP
C.
TCP
D.
HTTP
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Solution
TCP (Transmission Control Protocol) is used for reliable data transmission, providing error checking and guarantees that data is delivered in order.
Correct Answer:
C
— TCP
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Q. Which protocol is primarily used for routing in IP networks?
A.
HTTP
B.
FTP
C.
RIP
D.
SMTP
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Solution
RIP (Routing Information Protocol) is a widely used routing protocol in IP networks.
Correct Answer:
C
— RIP
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Q. Which protocol is primarily used for routing in the Internet?
A.
RIP
B.
FTP
C.
HTTP
D.
SMTP
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Solution
RIP (Routing Information Protocol) is a widely used routing protocol for managing router information within a local network or a group of networks.
Correct Answer:
A
— RIP
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Q. Which protocol is primarily used for routing in the TCP/IP model?
A.
HTTP
B.
FTP
C.
IP
D.
SMTP
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Solution
IP (Internet Protocol) is the primary protocol used for routing in the TCP/IP model.
Correct Answer:
C
— IP
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Q. Which protocol is primarily used for sending emails?
A.
HTTP
B.
FTP
C.
SMTP
D.
SNMP
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Solution
SMTP (Simple Mail Transfer Protocol) is the standard protocol for sending emails across the Internet.
Correct Answer:
C
— SMTP
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Q. Which protocol is primarily used for web traffic in the TCP/IP model?
A.
FTP
B.
HTTP
C.
SMTP
D.
SNMP
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Solution
HTTP (Hypertext Transfer Protocol) is the primary protocol used for transmitting web pages in the TCP/IP model.
Correct Answer:
B
— HTTP
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Q. Which protocol is used at the Application Layer of the TCP/IP model for web browsing?
A.
FTP
B.
HTTP
C.
SMTP
D.
DNS
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Solution
HTTP (Hypertext Transfer Protocol) is the protocol used for web browsing at the Application Layer.
Correct Answer:
B
— HTTP
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Q. Which protocol is used for dynamic IP address allocation?
A.
DHCP
B.
ARP
C.
ICMP
D.
RARP
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Solution
DHCP (Dynamic Host Configuration Protocol) is used to dynamically allocate IP addresses to devices on a network.
Correct Answer:
A
— DHCP
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Q. Which protocol is used for error detection in TCP?
A.
Checksum
B.
CRC
C.
Parity Bit
D.
ACK
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Solution
TCP uses a Checksum for error detection to ensure data integrity during transmission.
Correct Answer:
A
— Checksum
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Q. Which protocol is used for error reporting in the TCP/IP suite?
A.
TCP
B.
UDP
C.
ICMP
D.
ARP
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Solution
ICMP (Internet Control Message Protocol) is used for error reporting and diagnostic functions in the TCP/IP suite.
Correct Answer:
C
— ICMP
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Q. Which protocol is used for reliable data transmission in the Transport Layer?
A.
UDP
B.
IP
C.
TCP
D.
ICMP
Show solution
Solution
TCP (Transmission Control Protocol) is used for reliable data transmission, providing error recovery and flow control.
Correct Answer:
C
— TCP
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Q. Which protocol is used for reliable transmission in the TCP/IP model?
A.
UDP
B.
IP
C.
TCP
D.
ICMP
Show solution
Solution
TCP (Transmission Control Protocol) is used for reliable transmission, providing error recovery and flow control.
Correct Answer:
C
— TCP
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Q. Which protocol is used for routing packets across the internet?
A.
HTTP
B.
FTP
C.
IP
D.
SMTP
Show solution
Solution
IP (Internet Protocol) is the primary protocol used for routing packets across the internet.
Correct Answer:
C
— IP
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Q. Which protocol is used for secure data transmission over the Internet?
A.
HTTP
B.
FTP
C.
HTTPS
D.
SMTP
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Solution
HTTPS (Hypertext Transfer Protocol Secure) is used for secure data transmission over the Internet, encrypting the data exchanged.
Correct Answer:
C
— HTTPS
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Q. Which protocol is used for sending email at the Application Layer?
A.
HTTP
B.
FTP
C.
SMTP
D.
SNMP
Show solution
Solution
SMTP (Simple Mail Transfer Protocol) is used for sending emails at the Application Layer.
Correct Answer:
C
— SMTP
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Q. Which protocol is used for sending email?
A.
HTTP
B.
FTP
C.
SMTP
D.
DNS
Show solution
Solution
SMTP (Simple Mail Transfer Protocol) is the standard protocol used for sending emails across the Internet.
Correct Answer:
C
— SMTP
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Q. Which protocol is used for sending error messages and operational information in a network?
A.
TCP
B.
UDP
C.
ICMP
D.
HTTP
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Solution
ICMP (Internet Control Message Protocol) is used for sending error messages and operational information about network conditions.
Correct Answer:
C
— ICMP
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Q. Which protocol is used to dynamically assign IP addresses to devices on a network?
A.
DHCP
B.
DNS
C.
ARP
D.
ICMP
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Solution
DHCP (Dynamic Host Configuration Protocol) is used to dynamically assign IP addresses to devices on a network.
Correct Answer:
A
— DHCP
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Q. Which protocol is used to resolve IP addresses to MAC addresses?
A.
ARP
B.
RARP
C.
ICMP
D.
DNS
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Solution
ARP (Address Resolution Protocol) is used to resolve IP addresses to MAC addresses in a local network.
Correct Answer:
A
— ARP
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Q. Which protocol is used to secure HTTP traffic?
A.
FTP
B.
HTTPS
C.
SMTP
D.
SNMP
Show solution
Solution
HTTPS (Hypertext Transfer Protocol Secure) is used to secure HTTP traffic by encrypting the data transmitted between the client and server.
Correct Answer:
B
— HTTPS
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Q. Which protocol is used to send email messages over the Internet?
A.
HTTP
B.
FTP
C.
SMTP
D.
IMAP
Show solution
Solution
SMTP (Simple Mail Transfer Protocol) is used to send email messages over the Internet.
Correct Answer:
C
— SMTP
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Q. Which protocol is used to send email messages?
A.
HTTP
B.
FTP
C.
SMTP
D.
DNS
Show solution
Solution
SMTP (Simple Mail Transfer Protocol) is used to send email messages between servers.
Correct Answer:
C
— SMTP
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Q. Which protocol is used to transfer files over the web?
A.
FTP
B.
HTTP
C.
SMTP
D.
SNMP
Show solution
Solution
HTTP (Hypertext Transfer Protocol) is the protocol used for transferring web pages and files over the internet.
Correct Answer:
B
— HTTP
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Q. Which protocol is used to transfer web pages over the Internet?
A.
FTP
B.
SMTP
C.
HTTP
D.
SNMP
Show solution
Solution
HTTP (Hypertext Transfer Protocol) is the protocol used to transfer web pages over the Internet.
Correct Answer:
C
— HTTP
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Q. Which protocol operates at the Transport layer of the TCP/IP model?
A.
IP
B.
TCP
C.
HTTP
D.
Ethernet
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Solution
TCP (Transmission Control Protocol) operates at the Transport layer of the TCP/IP model.
Correct Answer:
B
— TCP
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Q. Which routing protocol is known for its ability to adapt to changes in the network topology?
A.
RIP
B.
OSPF
C.
BGP
D.
EIGRP
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Solution
OSPF (Open Shortest Path First) is known for its ability to adapt to changes in the network topology quickly.
Correct Answer:
B
— OSPF
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Q. Which routing protocol uses a distance-vector algorithm?
A.
OSPF
B.
BGP
C.
RIP
D.
EIGRP
Show solution
Solution
RIP (Routing Information Protocol) uses a distance-vector algorithm to determine the best path for data packets.
Correct Answer:
C
— RIP
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Q. Which transmission media is most commonly used for high-speed internet connections?
A.
Coaxial cable
B.
Fiber optic cable
C.
Twisted pair cable
D.
Wireless
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Solution
Fiber optic cable is commonly used for high-speed internet connections due to its high bandwidth and low attenuation.
Correct Answer:
B
— Fiber optic cable
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Q. Which transmission medium is least susceptible to electromagnetic interference?
A.
Twisted Pair Cable
B.
Coaxial Cable
C.
Fiber Optic Cable
D.
Wireless Transmission
Show solution
Solution
Fiber Optic Cable is least susceptible to electromagnetic interference as it transmits data as light signals.
Correct Answer:
C
— Fiber Optic Cable
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