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GSEC
GIAC Security Essentials Questions and Answers

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Viewing questions 31-40 out of questions

Questions # 31:

An employee is currently logged into the corporate web server, without permission. You log into the web server as 'admin" and look for the employee's username: "dmaul" using the "who" command. This is what you get back:

Question # 31

Options:

The contents of the /var/log/messages file has been altered

The contents of the bash history file has been altered

The contents of the utmp file has been altered

The contents of the http logs have been altered

Answer

Questions # 32:

Which of the following works at the network layer and hides the local area network IP address and topology?

Options:

Network address translation (NAT)

Hub

MAC address

Network interface card (NIC)

Answer

Questions # 33:

What is the key difference between Electronic Codebook mode and other block cipher modes like Cipher Block Chaining, Cipher-Feedback and Output-Feedback?

Options:

Plaintext patterns are concealed by XO Ring with previous cipher text block but input to the block cipher is not randomized.

Plaintext patterns are concealed and input to the block cipher is randomized by XO Ring with previous cipher text block.

Plaintext patterns encrypted with the same key will always generate the same

Cipher text pattern

Plaintext patterns are not concealed but input to the block cipher is randomized by XO Ring with previous cipher text block.

Answer

Questions # 34:

Which of the following is a signature-based intrusion detection system (IDS) ?

Options:

RealSecure

Snort

StealthWatch

Tripwire

Answer

Questions # 35:

How is confidentiality disabled in the IPSec Encapsulated Security Payload protocol?

Options:

Selecting no algorithm for encryption or authentication

Selecting the NULL authentication algorithm

Selecting both NULL algorithms

Selecting the NULL encryption algorithm

Answer

Questions # 36:

An organization monitors the hard disks of its employees' computers from time to time. Which policy does this pertain to?

Options:

Backup policy

User password policy

Network security policy

Answer

Questions # 37:

Which of the following groups represents the most likely source of an asset loss through the inappropriate use of computers?

Options:

Visitors

Customers

Employees

Hackers

Answer

Questions # 38:

John works as a professional Ethical Hacker. He is assigned a project to test the security of www.we- are-secure.com. He installs a rootkit on the Linux server of the We-are-secure network. Which of the following statements are true about rootkits?

Each correct answer represents a complete solution. Choose all that apply.