Question # 1

What is teh main purpose of a firewall in network security?

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Convert data into a secure format

Translate domain names

Monitor and control network traffic

Assign IP addresses

TCP/IP is a stack of protocols and it has........layers.

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2

5

7

9

In a ring topology, a ring can be unidirectinal or.

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Directional

Similar

Bidirectional

Main

Which layer sends a message to th server connected with sender?

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transport

Data Link

Physical Layer

Main

Which protocol is used to convert domain names into IP addresses?

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DHCP

DNS

ARP

IP

What is the function of the Domain Name System (DNS)?.

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Assign IP addresses dynamically

Monitor network traffic

Translate domain names to IP addresses

Secure data communication

In Bus topology single common cable is also called.

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Hard

Normal

Backbone

simple

How many components of data communication?

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6

5

7

8

In which topology data is send either ckockwise or anticlockwise.

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Bus

Star

Ring

Single

Whcih layer of the OSI is responsible for node-to- node data transfer and error detection?

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PhysicalLayer

Data link layer

Network layer

Transport Layer

Which layer is about the physical medium used in communication, like cabling etc.

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Application layer

Inernet

Physical

Postal layer

What is encapsulation in the context of network communication?

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Monitoring Network traffic

Translating domain names to IP addresses

Wrapping data with protocol information

Converting data into a secure format

----------- is a device that receives message.It is also known as sink

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computers

Computer Networks

Rules

Receiver

IPV4 is divide in ....groups by.

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2

3

4

5

Which IP Address class is used for large networks and supports up to 16 million hosts

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Class C

Class D

Class A

Class B

Which protocol is used for reliable data granfer in the TCP/IP mode?

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HTTP

FTP

UDP

TCP

Which of the network is goematic reprsentation of the relationship among the intrconnected devices.

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Ring

Machine

Star

Topology

Which device is used to connect multiple devices within a local area Network and direct data only to the intended recipient?

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Hum

Router

Repeater

Switch

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Computer Science 9th Class English Medium Chapter 6 Online Test MCQs With Answers

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