ITT320-Chapter 3

Which of the following attack occurs by sending packets that are too large for the target

machine to handle?

• Stack tweaking

• Ping of death

• ICMP flood

• SYN flood

What DoS attack is based on leaving connections half open

• Ping of death

• smuf attack

• Distributed Denial of service

• SYN flood

What is the name for a DoS defense that is dependent on sending back a hash code to the client?

• Stack tweaking

• RDT cookie

• SYN cookie

• Server reflection

which of the following are four basic types of firewalls?

• screening, bastion, dial-homed, circuit level

• application gateway, bastion, dual-homed, screening

• packet filtering, application gateway, circuit level, stateful packet inspection

Which of the following type of firewall negotiates between the server and the client to

permit or deny connection based on the type of software and connection requested?

• Stateful packet inspection

• Application gateway

• Circuit level gateway

• Packet filter

Which of the following is NOT true?

• Firewall can protect computer against viruses.

• Firewall can stop hackers from accessing your computer.

• Firewall determines which programs can access the Internet.

Firewalls provide protection against outside attackers by shielding your computer or network from malicious or unnecessary network traffic.

• True

• False

It helps keep data and equipment safe by giving only the appropriate people access.

• network security

• firewall

• antivirus

• security threats

These are are created with malicious intent and sent by attackers

• Trojan Horse

• Worm

• Virus

Software designed to detect, disable, and remove viruses, worms, and Trojans.

• Firewall

• Antivirus

• Data encryption