Explanation

A Hyperlink appearing on a webpage opens another document that is clicked.

In computing, a hyperlink, or simply a link, is a reference to data that the user can follow by clicking or tapping.

ND7-5-2023

Explanation

Explanation

Explanation

Optical fiber provides the fastest data transmission by using light signals to transmit data at high speeds.

It offers significantly higher bandwidth and lower latency compared to copper or coaxial cables.

Explanation

Explanation

MP4 (MPEG-4 Part 14) is a widely used container format for transmitting streaming videos online.

It supports various codecs, including H.264, which is known for its efficient compression and compatibility with most devices. 

Why other options are incorrect:

AVI (Audio Video Interleave):

While AVI is a common video format, it's not as optimized for streaming as MP4.

It can be larger and less efficient for online delivery. 

WMA (Windows Media Audio):

WMA is primarily an audio format, not designed for video streaming. 

WAV:

WAV is a pure audio format used for high-quality recordings.

It's not suitable for streaming video. 

Explanation

Explanation

A Trojan Horse is a type of malware that disguises itself as legitimate software.

A Virus is a type of malware that inserts itself into another program.

A worm is similar to a virus, except that it does not need a program in order to run.

Explanation

Full duplex mode allows communication in both directions simultaneously.

In contrast, half duplex mode permits communication in both directions, but not at the same time

Simplex mode allows communication only in one direction.

Explanation

In an email address, the "@" symbol separates the local part (username) from the domain part (service provider's name).

For example, in "user@example.com", "user" is the local part, and "example.com" is the domain part, indicating the email service provider.