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GIAC Certified Firewall Analyst Sample Questions:

1. Sam works as a Security Manager for GenTech Inc. He has been assigned a project to detect reconnoitering activities. For this purpose, he has deployed a system in the network that attractsthe attention of an attacker. Which of the following rulebases will he use to accomplish the task?

A) Backdoor rulebase
B) SYN Protector rulebase
C) Exempt rulebase
D) Network Honeypot rulebase

2. The simplest form of a firewall is a packet filtering firewall. Typically a router works as a packet-filtering firewall and has the capability to filter on some of the contents of packets. On which of the following layers of the OSI reference model do these routers filter information?
Each correct answer represents a complete solution. Choose all that apply.

A) Data Link layer
B) Physical layer
C) Network layer
D) Transport layer

3. You work as a Network Administrator for Tech Perfect Inc. The company has a TCP/IP-based network. A Cisco switch is configured on the network. You change the original host name of the switch through the hostname command. The prompt displays the changed host name. After some time, power of the switch went off due to some reason. When power restored, you find that the prompt is displaying the old host name. What is the most likely cause?

A) Host name cannot be changed permanently once switch is configured.
B) The running-config file got corrupted.
C) The changes were saved in running-config file.
D) The startup-config file got corrupted.

4. Which of the following programs can be used to detect stealth port scans performed by a malicious hacker?
Each correct answer represents a complete solution. Choose all that apply.

A) portsentry
B) libnids
C) scanlogd
D) nmap

5. Which of the following firewalls inspects the actual contents of packets?

A) Stateful inspection firewall
B) Application-level firewall
C) Circuit-level firewall
D) Packet filtering firewall

Solutions: