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GIAC GCIH Exam Practice Questions (P. 4)

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Question #31
You want to scan your network quickly to detect live hosts by using ICMP ECHO Requests. What type of scanning will you perform to accomplish the task?
  1. A
    Idle scan
  2. B
    TCP SYN scan
  3. C
    XMAS scan
  4. D
    Ping sweep scan

Correct Answer:
D

Question #32
Adam, a malicious hacker is running a scan. Statistics of the scan is as follows:
Scan directed at open port: ClientServer
192.5.2.92:4079 ---------FIN--------->192.5.2.110:23192.5.2.92:4079 <----NO RESPONSE---
---192.5.2.110:23
Scan directed at closed port:

ClientServer -
192.5.2.92:4079 ---------FIN--------->192.5.2.110:23
192.5.2.92:4079<-----RST/ACK----------192.5.2.110:23
Which of the following types of port scan is Adam running?
  1. A
    ACK scan
  2. B
    FIN scan
  3. C
    XMAS scan
  4. D
    Idle scan

Correct Answer:
B

Question #33
Which of the following is a network worm that exploits the RPC sub-system vulnerability present in the Microsoft Windows operating system?
  1. A
    Win32/Agent
  2. B
    WMA/TrojanDownloader.GetCodec
  3. C
    Win32/Conflicker
  4. D
    Win32/PSW.OnLineGames

Correct Answer:
C

Question #34
Which of the following statements are true about netcat?
Each correct answer represents a complete solution. (Choose all that apply.)
  1. A
    It provides special tunneling, such as UDP to TCP, with the possibility of specifying all network parameters.
  2. B
    It can be used as a file transfer solution.
  3. C
    It provides outbound and inbound connections for TCP and UDP ports.
  4. D
    The nc -z command can be used to redirect stdin/stdout from a program.

Correct Answer:
ABC

Question #35
Which of the following types of attacks is mounted with the objective of causing a negative impact on the performance of a computer or network?
  1. A
    Vulnerability attack
  2. B
    Man-in-the-middle attack
  3. C
    Denial-of-Service (DoS) attack
  4. D
    Impersonation attack

Correct Answer:
C

Question #36
Which of the following refers to the exploitation of a valid computer session to gain unauthorized access to information or services in a computer system?
  1. A
    Piggybacking
  2. B
    Hacking
  3. C
    Session hijacking
  4. D
    Keystroke logging

Correct Answer:
C

Question #37
Which of the following malicious software travels across computer networks without the assistance of a user?
  1. A
    Worm
  2. B
    Virus
  3. C
    Hoax
  4. D
    Trojan horses

Correct Answer:
A

Question #38
What is the major difference between a worm and a Trojan horse?
  1. A
    A worm spreads via e-mail, while a Trojan horse does not.
  2. B
    A worm is a form of malicious program, while a Trojan horse is a utility.
  3. C
    A worm is self replicating, while a Trojan horse is not.
  4. D
    A Trojan horse is a malicious program, while a worm is an anti-virus software.

Correct Answer:
C

Question #39
Adam works as a Security Administrator for Umbrella Inc. A project has been assigned to him to test the network security of the company. He created a webpage to discuss the progress of the tests with employees who were interested in following the test. Visitors were allowed to click on a company's icon to mark the progress of the test. Adam successfully embeds a keylogger. He also added some statistics on the webpage. The firewall protects the network well and allows strict Internet access.
How was security compromised and how did the firewall respond?
  1. A
    The attack was social engineering and the firewall did not detect it.
  2. B
    Security was not compromised as the webpage was hosted internally.
  3. C
    The attack was Cross Site Scripting and the firewall blocked it.
  4. D
    Security was compromised as keylogger is invisible for firewall.

Correct Answer:
A

Question #40
You work as a Network Administrator for Infonet Inc. The company has a Windows Server 2008 Active Directory-based single domain single forest network. The company has three Windows 2008 file servers, 150 Windows XP Professional, thirty UNIX-based client computers. The network users have identical user accounts for both Active Directory and the UNIX realm. You want to ensure that the UNIX clients on the network can access the file servers. You also want to ensure that the users are able to access all resources by logging on only once, and that no additional software is installed on the UNIX clients.
What will you do to accomplish this task?
Each correct answer represents a part of the solution. (Choose two.)
  1. A
    Configure a distributed file system (Dfs) on the file server in the network.
  2. B
    Enable the Network File System (NFS) component on the file servers in the network.
  3. C
    Configure ADRMS on the file servers in the network.
  4. D
    Enable User Name Mapping on the file servers in the network.

Correct Answer:
BD

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