Practice IGCSE Computing test 2

What is a Network or Computer Network?

• When only computers are connected to each other by using internet

• Is another Name for Internet

• Two or more electronic devices, connected together so that they can exchange data.

• when two or more users send emails to each other

Advantage/s of network:

• ease of communication between users

• Network administrator control and monitor all aspects

• sharing devices , such as sharing a printer

• All of the above

what is the main functionality of Modem:

• Analogue signals from a telephone line to digital signals which can be read by the computer.

• is used to provide wireless internet connectivity

• Used to transfer analogue data from computer to telephone line

• Analogue signals from a telephone line to digital signals which can be read by the computer and vice versa.

Which network device has the capability to send the data packets to a specific port or a device within LAN.

• Switch

• Router

• Hub

• Bridge

What is the main difference between switch and hub

• Switch uses less power compared to Hub

• Hub uses IP address to send data packets to computer, where as switch uses MAC Address

• Switch uses IP address to send data to a specific device where as HUB uses Broadcast.

• Hub broadcasts all packets to all devices, switch uses a MAC address of the destination device.

What is the main similarity between switch and hub

• Both using IP address to send data to destination

• Both using MAC address to send data to destination

• Both are used to connect multiple devices to form a LAN network

• Both using MAC address to send data to destination

What does LAN stand for?

• Logical Analogue Network

• Laser Assisted Network

• Local Area Network

What is a server in a computer network?

• Someone who manages the network

• The name for a large number of computer cables

• A powerful computer that provides a service, such as centralized file storage

is a network with restricted access

• Internet

• Intranet

• WLAN

Use of fingerprints, retina scans, or other body features as an authentication mechanism

• Technology

• Biometrics

• Fingerprint Scanner

• Cipher