CH9- Intro to Network Security

Question 1

Documents used in encryption and authentication protocols that identify a person or computer and can be verified by a certification authority

Answer 1

Digital certificate

Question 2

Spreads by replicating itself into programs or documents

Answer 2

Virus - malicious corrupting files

Question 3

Monopolizes network services or bandwidth from legitimate users

Answer 3

DoS (Denial of service) -

Question 4

Inspects packets as they go in or out of a network or computer

Answer 4

Firewall - discards or forwards based on rules

Question 5

A series of letters, numbers, and special characters, like a password, that both devices use to authenticate each other’s identity

Answer 5

Pre-shared key -

Question 6

Malware that is activated when a particular event occurs

Answer 6

Logic bomb - time-dependent

Question 7

A self-contained self-replicating program

Answer 7

Worm - uses network services like email to spread

Question 8

Packets are denied on context as well as packet properties

Answer 8

Stateful packet inspection - in context to an on-going conversation

Question 9

Used to discover breaches in security

Answer 9

IDS (Intrusion detection system) - can counter attacks in progress

Question 10

Permits access to computer, bypasses normal authentication

Answer 10

Backdoor -