List of top Computer Science Questions on Computer Networks

Identify the correct IP address from the options given:
Identify the correct place where we have to use repeaters.
In MAC address, Organisational Unique Identifier (OUI) consists of __________.
Match List-I with List-II.
List-IList-II
(A) ROUTER(II) Network Device
(B) ETHERNET CARD(IV) Network Interface Card
(C) RING(I) Network Topology
(D) PAN(III) Network Type
Match List-I with List-II. \
List-IList-II
(A) Modem(II) Modulator-Demodulator
(B) RJ45(I) An eight pin connector used with Ethernet cables for networking.
(C) Network interface unit(IV) Ethernet card
(D) ISP(III) An organization that provides services for accessing the internet.
Bandwidth of a channel is:
What is the purpose of a firewall in network security?
Which protocol is used for secure communication over the internet?
In a ________ topology, if there are n devices in a network, each device has n-1 ports for cables.
140.168.220.200 is a 32-bit binary number represented as four decimal values, each 8 bits, in the range 0 to 255 separated by decimal points. What is this number called?
What is the purpose of a Domain Name System (DNS) Server in networking?
Match List-I with List-II:
List-I (Device)List-II (Use)
(A) RJ45 Connector(I) relay frames between two originally separate segments that follow same protocols.
(B) Bridge(II) amplifies a signal that is transmitted across the network so that the signal is received same as it is sent.
(C) Gateway(III) establishes an intelligent connection between a local area network and external networks with completely different structures.
(D) Repeater(IV) plug-in device primarily used for connecting LANs particularly Ethernet.
Which of the following statement(s) is/are TRUE in respect of Media Access Control (MAC) Address?
Options:
(A) It can be changed if a node is removed from one network and connected to another network.
(B) Each MAC address is a 12-digit hexadecimal number.
(C) It is a unique value associated with a network adapter called NIC.
(D) It is provided by the Internet Service Provider to locate computers connected to the internet.
Choose the correct answer from the options given below:
A long cable that helps to connect several devices in a bus topology and has terminators at both ends to prevent signal bounce is known as ________
Which device provides the necessary translation of data received from the network into a format recognized within the internal network?

Which of the following statement(s) is/are TRUE regarding computer network?
(A) Interspace is a software that allows multiple users in a client-server environment to communicate with each other by sending and receiving data of various types.
(B) IP address is a unique permanent value associated with a network adapter called a NIC.
(C) A computer network is an interconnection among two or more computers or computing devices to share data and resources.
(D) The term ’Workstation’ refers to the most powerful computer of the network that facilitates sharing of data, software, and hardware resources on the network and has more memory, processing power, and storage than a normal node.
Choose the correct answer from the options given below:

Which of the following address is associated with a network adapter (NIC) ?
Match List I with List II
List IList II
A.MAC addressI.32 bits
B.RJ-45II.NIC card
C.IP addressIII.48 bits
D.Ethernet cardIV.Ethernet cables
Choose the correct answer from the options given below :
The ____ is the largest WAN that connects billions of computers, smartphones and millions of LAN from different Continents.