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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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NO.1 You have inserted a Trojan on your friend's computer and you want to put it in the startup so that
whenever the computer reboots the Trojan will start to run on the startup. Which of the following registry
entries will you edit to accomplish the task?
A. HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Start
B. HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Auto
C. HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Startup
D.HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Answer: D
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NO.2 Which of the following statements are true about WPA?
Each correct answer represents a complete solution. Choose all that apply.
A. WPA-PSK converts the passphrase into a 256-bit key.
B. WPA provides better security than WEP.
C. WPA-PSK requires a user to enter an 8-character to 63-character passphrase into a wireles s client.
D. Shared-key WPA is vulnerable to password cracking attacks if a weak passphrase is used.
Answer: A,B,C,D
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NO.3 Which of the following statements are true about KisMAC?
A. Data generated by KisMAC can also be saved in pcap format.
B. It cracks WEP and WPA keys by Rainbow attack or by dictionary attack.
C. It scans for networks passively on supported cards.
D. It is a wireless network discovery tool for Mac OS X.
Answer: A,C,D
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NO.4 You work as a Network Administrator for Infosec Inc. Nowadays, you are facing an unauthorized
access in your Wi-Fi network. Therefore, you analyze a log that has been recorded by your favorite sniffer,
Ethereal. You are able to discover the cause of the unauthorized access after noticing the following string
in the log file:
(Wlan.fc.type_subtype eq 32 and llc.oui eq 0x00601d and llc.pid eq 0x0001)
When you find All your 802.11b are belong to us as the payload string, you are convinced about which tool
is being used for the unauthorized access. Which of the following tools have you ascertained?
A. AirSnort
B. Kismet
C. AiroPeek
D. NetStumbler
Answer: D
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NO.5 Which of the following enables an inventor to legally enforce his right to exclude others from using his
invention?
A. Patent
B. Spam
C. Phishing
D. Artistic license
Answer: A
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NO.6 Which of the following are the scanning methods used in penetration testing?
Each correct answer represents a complete solution. Choose all that apply.
A. Vulnerability
B. Port
C. Network
D. Services
Answer: A,B,C
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NO.7 Which of the following is NOT an example of passive footprinting?
A. Scanning ports.
B. Analyzing job requirements.
C. Performing the whois query.
D. Querying the search engine.
Answer: A
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NO.8 Which of the following ports will you scan to search for SNMP enabled devices in the network?
A. 163
B. 123
C. 151
D. 161
Answer: D
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NO.9 A Web developer with your company wants to have wireless access for contractors that come in to work
on various projects. The process of getting this approved takes time. So rather than wait, he has put his
own wireless router attached to one of the network ports in his department. What security risk does this
present?
A. An unauthorized WAP is one way for hackers to get into a network.
B. It is likely to increase network traffic and slow down network performance.
C. This circumvents network intrusion detection.
D. None, adding a wireless access point is a common task and not a security risk.
Answer: A
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NO.10 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.11 Which of the following tools can be used to read NetStumbler's collected data files and present street
maps showing the logged WAPs as icons, whose color and shape indicates WEP mode and signal
strength?
A. NetStumbler
B. StumbVerter
C. WEPcrack
D. Kismet
Answer: B
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NO.12 You want to integrate the Nikto tool with nessus vulnerability scanner. Which of the following steps will
you take to accomplish the task?
Each correct answer represents a complete solution. Choose two.
A. Restart nessusd service.
B. Place nikto.pl file in the /var/www directory.
C. Place nikto.pl file in the /etc/nessus directory.
D. Place the directory containing nikto.pl in root's PATH environment variable.
Answer: A,D
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NO.13 Which of the following types of cyber stalking damage the reputation of their victim and turn other
people against them by setting up their own Websites, blogs or user pages for this purpose?
A. Encouraging others to harass the victim
B. False accusations
C. Attempts to gather information about the victim
D. False victimization
Answer: B
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NO.14 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.15 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.16 Which of the following attacks allows an attacker to sniff data frames on a local area network (LAN) or
stop the traffic altogether?
A. Man-in-the-middle
B. ARP spoofing
C. Port scanning
D. Session hijacking
Answer: B
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NO.17 Which of the following are the limitations for the cross site request forgery (CSRF) attack?
Each correct answer represents a complete solution. Choose all that apply.
A. The target site should have limited lifetime authentication cookies.
B. The attacker must target a site that doesn't check the referrer header.
C. The target site should authenticate in GET and POST parameters, not only cookies.
D. The attacker must determine the right values for all the form inputs.
Answer: B,D
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NO.18 Which of the following tools is used to verify the network structure packets and confirm that the packets
are constructed according to specification?
A. EtherApe
B. Snort decoder
C. AirSnort
D. snort_inline
Answer: B
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NO.19 You work as a Network Administrator for Net World International. The company has a Windows Active
Directory-based single domain single forest network. The functional level of the forest is Windows Server
2003. There are ten Sales Managers in the company. The company has recently provided laptops to all its
Sales Managers. All the laptops run Windows XP Professional. These laptops will be connected to the
company's network through wireless connections. The company's management wants to implement
Shared Key authentication for these laptops. When you try to configure the network interface card of one
of the laptops for Shared Key authentication, you find no such option. What will you do to enable Shared
Key authentication?
A. Install PEAP-MS-CHAP v2
B. Install Service Pack 1
C. Enable WEP
D. Install EAP-TLS
Answer: C
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NO.20 Which of the following statements are true about SSIDs?
Each correct answer represents a complete solution. Choose all that apply.
A. SSIDs are case insensitive text strings and have a maximum length of 64 characters.
B. Configuring the same SSID as that of the other Wireless Access Points (WAPs) of other
networks will create a conflict.
C. SSID is used to identify a wireless network.
D. All wireless devices on a wireless network must have the same SSID in order to communicate with
each other.
Answer: B,C,D
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NO.21 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.22 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.23 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.24 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.25 TCP FIN scanning is a type of stealth scanning through which the attacker sends a FIN packet to the
target port. If the port is closed, the victim assumes that this packet was sent mistakenly by the attacker
and sends the RST packet to the attacker. If the port is open, the FIN packet will be ignored and the port
will drop the packet. Which of the following operating systems can be easily identified with the help of TCP
FIN scanning.?
A. Solaris
B. Red Hat
C. Windows
D. Knoppix
Answer: C
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NO.26 Which of the following options holds the strongest password?
A. california
B. $#164aviD
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