Page 32 - 2502_Pakistan-kifayat_C-8

Timeline

Networking Components are the essential hardware and software elements that allow computers
and devices to communicate with each other over a network.
WAN is a digital communication system that interconnects a large number of computers over a wide
geographical area.

Virtual Private Network (VPN) is a technology that allows users to create a secure connection over a
less secure network, such as the Internet.
Guided transmission media refers to communication channels that are confined to a specific path or
medium.
Unguided transmission media refers to wireless communication systems where the data is transmitted
through the air or space without the need for physical cables.

Cellular communication is the backbone of modern mobile networks, enabling devices like
smartphones and tablets to connect and communicate over long distances.
Embedded systems are specialised computing systems designed to perform dedicated functions
within larger mechanical or electrical systems.

Choose the correct option.

1. Which of the following uses light to transmit data?

a. Wi-Fi b. Coaxial cable

c. Li-Fi d. Twisted pair cable

2. What is the full form of VPN?
a. Very Private Network b. Virtual Public Network

c. Virtual Private Network d. Verified Private Network

3. Which cable uses glass or plastic to transmit data as light pulses?

a. Coaxial cable b. Fiber optic cable

c. Twisted pair cable d. Ethernet cable

4. Which technology allows devices to connect over short distances using radio frequency?
a. Wi-Fi b. Bluetooth

c. GPS d. Ethernet

5. Which device is responsible for finding the best path to transmit data across networks?

a. Hub b. Modem

c. Router d. NIC

30 Premium Edition-VIII