Commerce (English Medium) इयत्ता १२ - CBSE Important Questions

Hi-Standard Tech Traj.ning Ltd. is a Mumbai based organization which is expanding its office set-up to Chennai. At Chennai office compound, they are planning to have 3 different blocks for Admin, Training and Accounts related activities. Each block has a number of computers, which are required to be connected in a network for communication, data and resource sharing.

As a network consultant, you have to suggest the best network related solutions for them for issues/problems raised by them in (i) to (iv), as per the distances between various blocks/locations and other given parameters.

Shortest differences between various blocks/locations:

The number of computers installed at various blocks is as follows:

1) Suggest the most appropriate block/location to house the SERVER in the CHENNAI office (out of the 3 blocks) to get the best and effective connectivity. Justify your answer.

2) Suggest the best-wired medium and draw the cable layout (Block to Block) to efficiently connect various blocks within the CHENNAI office compound.

3) Suggest a device/software and its placement that would provide data security for the entire network of the CHENNAI office.

4) Suggest a device and the protocol that shall be needed to provide wireless Internet access to all smartphone/laptop users in the CHENNAI office

Differentiate between packet switching over message switching

Expand the following:

ARPANET

Explain the following device:

Repeater

Explain the following device:

Router

Quickdev, an IT based firm, located in Delhi is planning to set up network for its four branches within a city with its Marketing department in Kanpur. As a network professional, give solution to the questions, after going through the branches locations and other details which are given below: 

Distance between various branches is a follows:

Number of computers in each of the branches:

1. Suggest the most suitable place to install the server for the Delhi branch with a suitable reason.
2. Suggest an ideal layout for connecting all these branches within Delhi.
3. Which device will you suggest, that should be placed in each of these branches to efficiently connect all the computers within these branches?
4. Delhi firm is planning to connect to its Marketing department in Kanpur which is approximately 300 km away. Which type of network out of LAN, WAN, or MAN will be formed? Justify your answer.
5. Suggest a protocol that shall be needed to provide help for transferring of files between Delhi and Kanpur branch.

The modem at the sender’s computer end acts as a ______.

______ is a communication methodology designed to deliver both voice and multimedia communications over Internet protocol.

Write the full form of the following:

SMTP

Write the full form of the following:

PPP

What is the use of TELNET?

What is the need for Protocols?

In case of ______ switching, before a communication starts, a dedicated path is identified between the sender and the receiver.

Define the term bandwidth with respect to networks.

Janish Khanna used a pen drive to copy files from his friend's laptop to his office computer. Soon his computer started abnormal functioning. Sometimes it would restart by itself and sometimes it would stop different applications running on it. Which of the following options out ·of (i) to (iv), would have caused the malfunctioning of the computer? Justify the reason for your chosen option:

1) Computer Virus

2)Spain Mail

3) Computer Bacteria

4) Trojan Horse

What is Trojan Horse?

MakeInIndia Corporation, a Uttarakhand-based IT training company, is planning to set up training centres in various cities in the next 2 years. Their first campus is coming up in the Kashipur district. At the Kashipur campus, they are planning to have 3 different blocks for App development, Web designing, and Movie editing. Each block has a number of computers, which are required to be connected to a network for communication, data, and resource sharing. As a network consultant of this company, you have to suggest the best network-related solutions for the issues/problems raised in questions keeping in mind the distances between various blocks/locations and other given parameters.

Distance between various blocks/locations:

Number of computers

1. Suggest the most appropriate block/location to house the SERVER in the Kashipur campus (out of the 3 blocks) to get the best and most effective connectivity. Justify your answer.
2. Suggest a device/software be installed in the Kashipur Campus to take care of data security.
3. Suggest the best-wired medium and draw the cable layout (Block to Block) to economically connect various blocks within the Kashipur Campus.
4. Suggest the placement of the following devices with appropriate reasons:
   a. Switch/Hub
   b. Repeater
5. Suggest a protocol that shall be needed to provide a Video Conferencing solution between Kashipur Campus and Mussoorie Campus.

How is http different from https?

Find net value added at factor cost:

                                                                                        (Rs lakh)

(i) Durable use producer goods with a life span of 10 years       10

(ii) Single use producer goods                                                  5

iii) Sale                                                                                 20

(iv) Unsold output produced during the year                              2

(v) Taxes on production                                                           1

Find national income and private income: