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GIAC Certified Firewall Analyst Sample Questions:

1. John, a malicious hacker, forces a router to stop forwarding packets by flooding it with many open connections simultaneously so that all hosts behind it are effectively disabled. Which of the following attacks is John performing?

A) Replay attack
B) Rainbow attack
C) DoS attack
D) ARP spoofing

2. In which of the following IDS evasion attacks does an attacker send a data packet such that IDS accepts the data packet but the host computer rejects it?

A) Fragmentation overwrite attack
B) Evasion attack
C) Insertion attack
D) Fragmentation overlap attack

3. Which of the following attacks sends false ICMP packets in an attempt to cripple a system using random fake Internet source addresses?

A) Twinge attack
B) SYN attack
C) Land attack
D) Replay attack

4. Which of the following intrusion detection systems (IDS) produces the false alarm because of the abnormal behavior of users and network?

A) Host-based intrusion detection system (HIDS)
B) Protocol-based intrusion detection system (PIDS)
C) Application protocol-based intrusion detection system (APIDS)
D) Network intrusion detection system (NIDS)

5. Which of the following is a version of netcat with integrated transport encryption capabilities?

A) Encat
B) Nikto
C) Socat
D) Cryptcat

Solutions: