CBSE solutions for कॉम्प्युटर सायन्स विद पाइथान [इंग्रजी] इयत्ता १२ chapter 2 - Networking Concepts Part II [Latest edition]

What is Transmission Media?

Differentiate between guided and unguided transmission media.

Explain the structure of a coaxial cable.

Explain the structure of Fiber Optic Cable.

What are advantages of fibre optic cable?

Differentiate between a radio wave transmission and a microwave transmission.

What is meant by satellite communication?

What are the advantages of satellites in communication?

What are the disadvantages of using satellite communication?

Define the term topology.

List any two advantages of Star topology.

List any two disadvantages of Star topology.

How is tree topology different from bus topology?

Identify the type of topology from the following:

Each node is connected with the help of a single cable.

Identify the type of topology from the following.

Each node is connected with the help of independent cable with central switching.

What do you mean by a modem?

Why is modem used?

Explain the following device:

Switch

Explain the following device:

Repeater

Explain the following device:

Router

Explain the following device:

Gateway

Explain the following device:

Wi-Fi Card

Show a network layout of star topology and bus topology to connect 4 computers.

Ms. Anjali Singh, in charge of Knowledge centre in ABC school, recently discovered that the communication between her centre and the primary block of the school is extremely slow and signals drop quite frequently. The distance between these two blocks is 140 meters.

1. Name the type of network.
2. Name the device which may be used for smooth communication.

ABC International School is planning to connect all computers, each spread over distance of 50 meters. Suggest an economic cable type having high speed data transfer to connect these computers.

Sahil wants to transfer data across two continents at very high speed. Write the name of the transmission medium that can be used to do the same. Write the type of network also.

Mayank wants to transfer data within a city at very high speed. Write the name of the wired transmission medium that he should use. Write the type of network also.

Mr. Akash wants to send/receive email through internet. Which protocol will be used for this purpose?

Answer the following question in the context of a computer lab with 100 computers.

Which device is used to connect all computers inside the lab?

Answer the following question in the context of a computer lab with 100 computers.

Which device is used to connect all computers to the internet using telephone wire?

Name the device that establishes an intelligent connection between a local network and external network with completely different structures.

Name the network device that works like a bridge to establish connection between two networks but it can also handle networks with different protocols.