NCERT Solutions for Class 12 Computer And Communication Technology Computer Science With C++ Chapter 13 Communication Technologies

What out of the following, will you use to have an audio-visual chat with an expert sitting in a faraway place to fix-up a technical issue?

• VoIP

• email

• FTP

Name one server-side scripting language and one client-side scripting language.

Which out of the following comes under Cyber Crime?

• Operating someone’s internet banking account, without his knowledge.

• Stealing a keyboard from someone’s computer.

• Working on someone’s computer with his/her permission.

Write one advantage of Bus Topology of the network. Also, illustrate how 4 computers can be connected with each other using star topology of the network.

Workalot consultants are setting up a secured network for their office campus at Gurgaon for their day-to-day office and web-based activities. They are planning to have connectivity between 3 buildings and the head office situated in Mumbai. Answer the questions (i) to(iv) after going through the building positions in the campus and other details, which are given below:

Number of Computers:

1. Suggest the most suitable place (i.e. building) to house the server of this Also give a reason to justify your suggested location.
2. Suggest a cable layout of connection between the buildings inside the
3. Suggest the placement of the following device with justification:
   1. Switch
   2. Repeater
4. The organization is planning to provide a high-speed link with its head office situated in MUMBAI using a wired Which of the following cables will be most suitable for this job?
   1. Optical Fiber
   2. Co-axial Cable
   3. Ethernet Cable

Give one suitable example of each URL and Domain Name.

Name two Proprietary software along with their application.