2013年7月30日星期二

Le plus récent matériel de formation GIAC GPEN

Chaque expert dans l'équipe de Pass4Test ont son autorité dans cette industrie. Ils profitent ses expériences et ses connaissances professionnelles à préparer les documentations pour les candidats de test Certification IT. Les Q&As produites par Pass4Test ont une haute couverture des questions et une bonne précision des réponses qui vous permettent la réussie de test par une seule fois. D'ailleurs, un an de service gratuit en ligne après vendre est aussi disponible pour vous.


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Code d'Examen: GPEN

Nom d'Examen: GIAC (GIAC Certified Penetration Tester)

Questions et réponses: 384 Q&As

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GPEN Démo gratuit à télécharger: http://www.pass4test.fr/GPEN.html


NO.1 You execute the following netcat command:
c:\target\nc -1 -p 53 -d -e cmd.exe
What action do you want to perform by issuing the above command?
A. Capture data on port 53 and performing banner grabbing.
B. Listen the incoming traffic on port 53 and execute the remote shell.
C. Listen the incoming data and performing port scanning.
D. Capture data on port 53 and delete the remote shell.
Answer: B

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NO.2 Which of the following attacks is a form of active eavesdropping in which the attacker makes
independent connections with the victims and relays messages between them, making them believe that
they are talking directly to each other over a private connection, when in fact the entire conversation is
controlled by the attacker?
A. DoS
B. Sniffing
C. Man-in-the-middle
D. Brute force
Answer: C

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NO.3 An executive in your company reports odd behavior on her PDA. After investigation you discover that a
trusted device is actually copying data off the PDA. The executive tells you that the behavior started
shortly after accepting an e-business card from an unknown person. What type of attack is this?
A. Session Hijacking
B. PDA Hijacking
C. Privilege Escalation
D. Bluesnarfing
Answer: D

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NO.4 Which of the following encryption modes are possible in WEP?
Each correct answer represents a complete solution. Choose all that apply.
A. No encryption
B. 256 bit encryption
C. 128 bit encryption
D. 40 bit encryption
Answer: A,C,D

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NO.5 Which of the following statements is true about the Digest Authentication scheme?
A. In this authentication scheme, the username and password are passed with every request, not just
when the user first types them.
B. A valid response from the client contains a checksum of the username, the password, the given
random value, the HTTP method, and the requested URL.
C. The password is sent over the network in clear text format.
D. It uses the base64 encoding encryption scheme.
Answer: B

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NO.6 Which of the following statements are true about MS-CHAPv2?
Each correct answer represents a complete solution. Choose all that apply.
A. It is a connectionless protocol.
B. It can be replaced with EAP-TLS as the authentication mechanism for PPTP.
C. It provides an authenticator-controlled password change mechanism.
D. It is subject to offline dictionary attacks.
Answer: B,C,D

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NO.7 You work as a professional Ethical Hacker. You are assigned a project to perform blackhat testing on
www.we-are-secure.com. You visit the office of we-are-secure.com as an air-condition mechanic. You
claim that someone from the office called you saying that there is some fault in the air-conditioner of the
server room. After some inquiries/arguments, the Security Administrator allows you to repair the
air-conditioner of the server room.
When you get into the room, you found the server is Linux-based. You press the reboot button of the
server after inserting knoppix Live CD in the CD drive of the server. Now, the server promptly boots
backup into Knoppix. You mount the root partition of the server after replacing the root password in the
/etc/shadow file with a known password hash and salt. Further, you copy the netcat tool on the server and
install its startup files to create a reverse tunnel and move a shell to a remote server whenever the server
is restarted. You simply restart the server, pull out the Knoppix Live CD from the server, and inform that
the air-conditioner is working properly.
After completing this attack process, you create a security auditing report in which you mention various
threats such as social engineering threat, boot from Live CD, etc. and suggest the countermeasures to
stop booting from the external media and retrieving sensitive data. Which of the following steps have you
suggested to stop booting from the external media and retrieving sensitive data with regard to the above
scenario?
Each correct answer represents a complete solution. Choose two.
A. Encrypting disk partitions
B. Using password protected hard drives
C. Placing BIOS password
D. Setting only the root level access for sensitive data
Answer: A,B

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NO.8 Which of the following tools can be used to perform brute force attack on a remote database?
Each correct answer represents a complete solution. Choose all that apply.
A. FindSA
B. SQLDict
C. nmap
D. SQLBF
Answer: A,B,D

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NO.9 Which of the following options holds the strongest password?
A. california
B. $#164aviD

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