GIAC GIAC Information Security GCFW

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GIAC Certified Firewall Analyst Sample Questions:

1. Which of the following technologies is used to detect unauthorized attempts to access and manipulate computer systems locally or through the Internet or an intranet?

A) Firewall
B) Demilitarized zone (DMZ)
C) Intrusion detection system (IDS)
D) Packet filtering

2. You send and receive messages on Internet. A man-in-the-middle attack can be performed to capture and read your message. Which of the following Information assurance pillars ensures the security of your message or data against this type of attack?

A) Data availability
B) Confidentiality
C) Non-repudiation
D) Authentication

3. You work as a Firewall Analyst in the Tech Perfect Inc. The company has a Linux-based environment. You have installed and configured netfilter/iptables on all computer systems. What are the main features of netfilter/iptables?
Each correct answer represents a complete solution. Choose all that apply.

A) It includes a number of layers of API's for third party extensions.
B) It offers stateless and stateful packet filtering with both IPv4 and IPv6 addressing schemes
C) It provides network address and port address translations with both IPv4 and IPv6 addressing schemes.
D) It includes many plug-ins or modules in 'patch-o-matic' repository.

4. Which of the following protocols is used with a tunneling protocol to provide security?

A) IPSec
B) EAP
C) FTP
D) IPX/SPX

5. John works as a professional Ethical Hacker. He has been assigned the project of testing the security of www.we-are-secure.com. He has successfully completed the following steps of the preattack phase:
l Information gathering
l Determining network range
l Identifying active machines l Finding open ports and applications
l OS fingerprinting
l Fingerprinting services
Now John wants to perform network mapping of the We-are-secure network. Which of the following tools can he use to accomplish his task?
Each correct answer represents a complete solution. Choose all that apply.

A) NeoTrace
B) Ettercap
C) Cheops
D) Traceroute

Solutions: