tacn-cntt-3

Front

What is a network?

Back

A network is a collection of interconnected devices or nodes that can communicate and share resources, such as computers, servers, and peripherals, enabling data exchange and collaboration.

Front

What is a computer network?

Back

A computer network is a system of interconnected computers and other devices that communicate with each other, either wirelessly or through physical connections, to share resources, information, and services.

Front

What is a LAN? What is a WAN?

Back

A LAN is a localized network usually in one building or a group of buildings close together.

A WAN is a network connected over a long-distance telephone lines.

Front

What is network topology?

Back

Network topology describes how devices are interconnected in a network, defining its structure and data flow patterns.

Front

How many types of network topologies do you know? Which topology is the most commonly used? Describe it.

Back

There are 4 types: Star, Switched, Ring, Bus (Ethernet).

The most commonly used topology is the Star.

Star network is a simple network topology with all links connected directly to a single central node.

Front

What is a computer virus?

Back

A computer virus is a form of malicious software that piggybacks onto legitimate application code in order to spread and reproduce itself.

Front

What do computer viruses do?

Back

Computer viruses infect applications, insert malicious code into CPU memory, spread to other applications, and execute harmful actions such as stealing data or encrypting files.

Front

What are the symptoms of virus infection?

Back

Unusually slow performance

Frequent crashes

Unknown or unfamiliar programs that start up when you turn on your computer

Mass emails being sent from your email account

Changes to your homepage or passwords

Front

List some ways to protect your computer?

Back

Use antivirus software.

Consider endpoint security solutions.

Keep your system updated.

Maintain hardware inventory.

Conduct regular vulnerability assessments.

Front

What does DBMS stand for? What is it?

Back

DBMS stands for Database Management System: a software system designed to handle multiple requests for data access while at the same time maintaining the integrity of the data.