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mcqs of
,
1 : Which layer of the OSI model is responsible for node-to-node data transfe and error detection?
1
:
(a) Physical Layer
2
:
(b) Data Link Layer
3
:
(c) Network Layer
4
:
(d) Transport Layer
2 : What is the primary objective of computer networks?
1
:
(a) Increase computational power
2
:
(b) Enable resource sharing and data communication
3
:
(c) Enhance graphic capabilities
4
:
(d) Improve software development
3 : Which method of data transmission uses a dedicated communication path?
1
:
(a) Packet Switching
2
:
(b) Circuit Switching
3
:
(c) Full-Duplex
4
:
(d) Half-Duplex
4 : What is a key benefit of using computer networks in businesses?
1
:
(a) Increase computational power
2
:
(b) Enable resource sharing and efficient communication
3
:
(c) Enhance graphic capabilities
4
:
(d) Improve software development
5 : What is the main purpose of a firewall in network security?
1
:
(a) Convert data into a secure format
2
:
(b) Monitor and control network traffic
3
:
(c) Assign IP addresses
4
:
(d) Translate domain names
6 : What is encapsulation in the context of network communication?
1
:
(a) Converting data into a secure format
2
:
(b) Wrapping data with protocol information
3
:
(c) Monitoring network traffic
4
:
(d) Translating domain names to IP addresses
7 : Which protocol is used for reliable data transfer in the TCP/IP model?
1
:
(a) HTTP
2
:
(b) FTP
3
:
(c) TCP
4
:
(d) UDP
8 : Which network topology connects all devices to a central hub?
1
:
(a) Ring
2
:
(b) Mesh
3
:
(c) Bus
4
:
(d) Star
9 : Which device is used to connect multiple networks and direct data packet between them?
1
:
(a) Switch
2
:
(b) Hub
3
:
(c) Router
4
:
(d) Modem
10 : What is the function of the Domain Name System (DNS)?
1
:
(a) Assign IP addresses dynamically
2
:
(b) Translate domain names to IP addresses
3
:
(c) Secure data communication
4
:
(d) Monitor network traffic
Computer 9th MCQs || Ilam Ghar
Chapter 6 : Introduction to computer network
Computer 9th
