Top 50 Computer Networking MCQ'S
Q. 1. Which of the following is considered to be the world's first computer network?
a) NSFNET
b) ASPANET
c) CNNET
d) ARPANET
Ans: d
Q. 2. By which country world's first computer network was developed?
a) India
b) America
c) Australia
d) China
Ans: b
Q. 3. By which Department world's first computer network was developed?
a) US Department of Defense
b) India Department of Defense
c) China Department of Defense
d) Australia Department of Defense
Ans: a
Q. 4. In which year world's first computer network was developed?
a) 1969b) 1971
c) 1989
d) 1977
Ans: a
Q. 5. Which was the first protocol developed in the world?
a) TCP/IP Protocol
b) SNMP
c) IPV4
d) FTP
Ans: a
Q. 6. When first email was send over ARPANET?
a) 1997
b) 1971
c) 1969
d) 1978
Ans: b
Q. 7. Who was the founder of Network /Internet?
a) Bob Khan and Vent Cerf
b) James Hendler
c) Tim Berners-Lee
d) Leonard Kleinrock
Ans: a
Q. 8. Which was the first publically available internet service in India?
a) VSNLb) Airtel
c) Jio
d) Voda
Ans: a
Q. 9. Which of the following is an example of Bluetooth?
a) Wide area network
b) Virtual private network
c) Local area network
d) Personal area network
Ans: d
Q. 10. Which of the following computer networks is built on the top of another network?
a) Overlay network
b) Prime network
c) Prior network
d) Chief network
Ans: a
Q. 11. What is the full form of OSI?
a) Optical service implementation
b) Open service Internet
c) Open system interconnection
d) Operating system interface
Ans: c
Q. 12. When a collection of various computers appears as a single coherent system to its clients, what is this called?
a) Mail system
b) Networking system
c) Computer network
d) Distributed system
Ans: d
Q. 13. Which protocol was developed after TCP/IP Protocol ?
a) TCP/IP Protocol
b) OSI
c) IPV4
d) FTP
Ans: b
Q. 14. How many layer are available in TCP/IP Model?
a) 7
b) 4
c) 6
d) 8
Ans: b
Q. 15. How many layer are available in OSI Model?
a) 7
b) 9
c) 4
d) 5
Ans: a
Q. 16. When TCP/IP Model get standard ?
a) 1983
b) 1969
c) 1989
d) 1999
Ans: a
Q. 17. What are nodes in a computer network?
a) The computer that routes the data
b) The computer that terminates the data
c) The computer that originates the data
d) All of the mentioned
Ans: d
Q. 18. Which one of the following is not a function of network layer?
a) Congestion control
b) Error control
c) Routing
d) Inter-networking
Ans: b
Q. 19. How is a single channel shared by multiple signals in a computer network?
a) Multiplexing
b) Phase modulation
c) Analog modulation
d) Digital modulation
Ans: a
Q. 20. Which of the following devices forwards packets between networks by processing the routing information included in the packet?
a) Firewall
b) Bridge
c) Hub
d) Router
Ans: d
Q. 21. Which layer is used to link the network support layers and user support layers?
a) Session layer
b) Data link layer
c) Transport layer
d) Network layer
Ans: c
Q. 22. Which address is used on the internet for employing the TCP/IP protocols?
a) Physical address and logical address
b) Port address
c) Specific address
d) All of the mentioned
Ans: d
Q. 23. TCP/IP model was developed _____ the OSI model.
a) Prior to
b) After
c) Simultaneous to
d) With no link to
Ans: a
Q. 24. Which layer is responsible for process to process delivery in a general network model?
a) Network layer
b) Transport layer
c) Session layer
d) Data link layer
Ans: b
Q. 25. Which address is used to identify a process on a host by the transport layer?
a) Physical address
b) Logical address
c) Port address
d) Specific address
Ans: c
Q. 26. Which layer provides the services to user?
a) Application layer
b) Session layer
c) Presentation layer
d) Physical layer
Ans: a
Q. 27. Transmission data rate is decided by ____________
a) Network layer
b) Physical layer
c) Data link layer
d) Transport layer
Ans: b
Q. 28. In terms of the size of the network the correct order (ascending) is –
a) PAN, MAN, LAN, WAN
b) LAN, MAN, WAN, PAN
c) PAN, LAN, MAN, WAN
d) LAN, PAN, MAN, WAN
Ans: c
Q. 29. Logical Addressing and Routing are functions of which layer?
a) Physical Layer
b) Transport Layer
c) Data Link Layer
d) Network Layer
Ans: d
Q. 30. Flow Control and Error Control are functions of which layer?
a) Physical Layer
b) Application Layer
c) Data Link Layer
d) Network Layer
Ans: c
Q. 31. Dialog Control and Synchronization are function of which layer?
a) Presentation Layer
b) Application Layer
c) Session Layer
d) Data Link Layer
Ans: c
Q. 32. .Encryption and Compression are functions of which OSI layer?
a) Presentation Layer
b) Application Layer
c) Session Layer
d) Data Link Layer
Ans: a
Q. 33. Which of this is not a network edge device?
a) Switch
b) PC
c) Smartphones
d) Servers
Ans: a
Q. 34. Which type of network shares the communication channel among all the machines?
a) Anycast network
b) Multicast network
c) Unicast network
d) Broadcast network
Ans: d
Q. 35. Which topology requires a multipoint connection?
a) Ring
b) Bus
c) Star
d) Mesh
Ans: b
Q. 36. Which of the following maintains the Domain Name System?
a) A single server
b) A single computer
c) Distributed database system
d) None of the mentioned
Ans: c
Q. 37. Which connection is necessary for a computer to join the internet?
a) Internet society
b) Internet service provider
c) Different computer
d) Internet architecture board
Ans: b
Q. 38. Which of the following allows you to connect and login to a remote computer?
a) SMTP
b) HTTP
c) FTP
d) Telnet
Ans: d
Q. 39. Which of the following is used in an attempt to render a computer resource unavailable to its intended users?
a) Botnet process
b) Worms attack
c) Virus attack
d) Denial-of-service attack
Ans: d
Q. 40. What type of transmission is involved in communication between a computer and a keyboard?
a) Half-duplex
b) Full-duplex
c) Simplex
d) Automatic
Ans: c
Q. 41. An Ethernet frame that is less than the IEEE 802.3 minimum length of 64 octets is called
a) Mini frame
b) Small frame
c) Short frame
d) Runt frame
Ans: d
Q. 42. What is one advantage of setting up a DMZ(Demilitarized Zone) with two firewalls?
a) You can control where traffic goes in the three networks
b) You can do stateful packet filtering
c) You can do load balancing
d) Improve network performance
Ans: a
Q. 43. How many bytes of data can be sent in 15 seconds over a serial link with baud rate of 9600 in asynchronous mode with odd parity and two stop bits in the frame?
a) 10,000 bytes
b) 12,000 bytes
c) 15,000 bytes
d) 27,000 bytes
Ans: b
Q. 44. Phase transition for each bit are used in
a) Amplitude modulation
b) Carrier modulation
c) Manchester encoding
d) NRZ encoding
Ans: c
Q. 45. The IEEE standard for WiMax technology is
a) IEEE 802.16
b) IEEE 802.36
c) IEEE 812.16
d) IEEE 8026.16
Ans: a
Q. 46. A T-switch is used to and file content.
a) Control how messages are passed between computers
b) Echo every character that is received
c) Transmit characters one at a time
d) Rearrange the connections between computing equipments
Ans: d
Q. 47. The default subnet mask for a class B network can be
a) 255.255.255.0
b) 255.0.0.0
c) 255.255.192.0
d) 255.255.0.0
Ans: d
Q. 48. If block contains 32 IP address which of the following is first address of the block ?
a) 10.0.0.5
b) 10.0.0.16
c) 10.0.0.68
d) 10.0.0.160
Ans: d
Q. 49. Which of the following IP address can be used in WAN?
a) 15.1.5.6
b) 172.16.0.10
c) 10.0.0.1
d) none
Ans: a
Q. 50. SHA-1 is a
a) Encryption algorithm
b) Decryption algorithm
c) Key exchange algorithm
d) Message digest function
Ans: d