Optical fibre works on the principle of?

• reflection

• Total Internal Reflection

• refraction

• Diffraction

Which of the following is not a Network Device?

• Hubs

• Modem

• Bridge

• Broadband

Ipv6 uses which bit address?

• 32-bit

• 64-bit

• 128-bit

• 256-bit

What does TCP/IP stand for?

• Transmission Communication Protocol/Internet Protocol

• Transmission Control Protocol/Internet Protocol

• Transfer Control Protocol/Internet Provider

• Transmission Communication Protocol/Internal Provider

What does DNS stand for?

• Data Name System

• Domain Network System

• Domain Name System

• Data Network System

What is a common private IP address range?

• 192.168.x.x

• 8.8.8.8

• 172.16.x.x

• 10.0.0.0

Which device connects multiple networks together?

• Switch

• Router

• Hub

• Repeater

What is the purpose of a VPN?

• To transfer files

• To send emails

• To create a secure, encrypted connection over the internet

• To resolve domain names

Which protocol is used to securely browse the web?

• HTTP

• HTTPS

• FTP

• Telnet

Which of the following is Search engine?

• Safari

• Opera Mini

• Edge

• DuckDuckgo