Topic 1 : Introduction to Computer, Network & Security

A machine or device that performs processes, calculations and operations based on instructions provided by a software or hardware programmability to accept data (input), process it, and then produce outputs

• Computer

• Network

• Network Security

• Network Threat

A network is a group of two or more computers or other electronic   devices that are interconnected for the purpose of exchanging data and sharing resources

• Computer

• Network

• Network Security

• Network Threat

Trojans are not capable of which of the following?

• • Stealing data

• • Stealing financial information

• • Self-replicating

• • Stealing login credentials

What is security threat?

• Comparatively hard to detect

• Comparatively easy to detect

• Objective is to cause damage

• Initiated by system itself as well as outsider

What is security attack?

• Comparatively hard to detect

• May or may not be malicious

• Objective is to cause damage

• Initiated by system itself as well as outsider

Sources of security threats, except:

• External

• Internal

• Structured

• Outsider

Types of network security attacks, except:

• Reconnaissance Attack

• Access Attack

• Theft

• Denial of Service Attack

Which of these is not hacker?

• White hat

• Grey hat

• Blue hat

• Black hat

Type of malicious code, except:

• Virus

• Worm

• Trojan

• Theft

What does a firewall do?

• Permits or blocks connections to a computer

• Increases the RAM inside a computer

• Blocks emails

• Reduces the heat of the CPU