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2014年4月28日星期一

Certification GIAC de téléchargement gratuit pratique d'examen GSNA GSLC GSEC GPEN GISP GISF GCIH GCIA, questions et réponses

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Code d'Examen: GSNA
Nom d'Examen: GIAC (GIAC Systems and Network Auditor)
Questions et réponses: 368 Q&As

Code d'Examen: GSLC
Nom d'Examen: GIAC (GIAC Security Leadership Certification (GSLC))
Questions et réponses: 567 Q&As

Code d'Examen: GSEC
Nom d'Examen: GIAC (GIAC Security Essentials Certification)
Questions et réponses: 280 Q&As

Code d'Examen: GPEN
Nom d'Examen: GIAC (GIAC Certified Penetration Tester)
Questions et réponses: 384 Q&As

Code d'Examen: GISP
Nom d'Examen: GIAC (GIAC Information Security Professional)
Questions et réponses: 659 Q&As

Code d'Examen: GISF
Nom d'Examen: GIAC (GIAC Information Security Fundamentals)
Questions et réponses: 438 Q&As

Code d'Examen: GCIH
Nom d'Examen: GIAC (GIAC Certified Incident Handler)
Questions et réponses: 335 Q&As

Code d'Examen: GCIA
Nom d'Examen: GIAC (GIAC Certified Intrusion Analyst)
Questions et réponses: 508 Q&As

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NO.1 You work as a Network Administrator for XYZ CORP. The company has a Windows Server 2008
network environment. The network is configured as a Windows Active Directory-based single forest single
domain network. You have installed a Windows Server 2008 computer. You have configured auditing on
this server. The client computers of the company use the Windows XP Professional operating system.
You want to audit each event that is related to a user managing an account in the user database on the
computer where the auditing is configured. To accomplish the task, you have enabled the Audit account
management option on the server. Which of the following events can be audited by enabling this audit
option.?
A. Access to an Active Directory object
B. Change of password for a user account
C. Addition of a user account to a group
D. Creation of a user account
Answer: B,C,D

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NO.2 John works as a Security Professional. He is assigned a project to test the security of www.we-
are-secure.com. John wants to get the information of all network connections and listening ports in the
numerical form. Which of the following commands will he use?
A. netstat -e
B. netstat r
C. netstat -s
D. netstat an
Answer: D

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NO.3 You work as the Network Administrator for XYZ CORP. The company has a Unix-based network. You
want to print the super block and block the group information for the filesystem present on a system.
Which of the following Unix commands can you use to accomplish the task?
A. e2fsck
B. dump
C. dumpe2fs
D. e2label
Answer: C

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NO.4 You work as the Network Administrator for XYZ CORP. The company has a Unix-based network. You
want to set some terminal characteristics and environment variables. Which of the following Unix
configuration files can you use to accomplish the task?
A. /etc/sysconfig/routed
B. /proc/net
C. /etc/sysconfig/network-scripts/ifcfg-interface
D. /etc/sysconfig/init
Answer: D

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NO.5 Which of the following tools works both as an encryption-cracking tool and as a keylogger?
A. Magic Lantern
B. KeyGhost Keylogger
C. Alchemy Remote Executor
D. SocketShield
Answer: A

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NO.6 Which of the following is Microsoft's implementation of the file and application server for the Internet
and private intranets?
A. Internet Server Service (ISS)
B. Internet Server (IS)
C. WWW Server (WWWS)
D. Internet Information Server (IIS)
Answer: D

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NO.7 Which of the following statements about the traceroute utility are true?
A. It uses ICMP echo packets to display the Fully Qualified Domain Name (FQDN) and the IP address of
each gateway along the route to the remote host.
B. It records the time taken for a round trip for each packet at each router.
C. It is an online tool that performs polymorphic shell code attacks.
D. It generates a buffer overflow exploit by transforming an attack shell code so that the new attack shell
code cannot be recognized by any Intrusion Detection Systems.
Answer: A,B

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NO.8 Which of the following is a wireless auditing tool that is used to pinpoint the actual physical location of
wireless devices in the network?
A. KisMAC
B. Ekahau
C. Kismet
D. AirSnort
Answer: B

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NO.9 You work as a Network Auditor for XYZ CORP. The company has a Windows-based network. While
auditing the company's network, you are facing problems in searching the faults and other entities that
belong to it. Which of the following risks may occur due to the existence of these problems?
A. Residual risk
B. Inherent risk
C. Secondary risk
D. Detection risk
Answer: D

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NO.10 Which of the following allows the use of multiple virtual servers using different DNS names resolved by
the same IP address?
A. HTTP 1.1
B. JAVA
C. HTML
D. VPN
Answer: A

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NO.11 John works as a contract Ethical Hacker. He has recently got a project to do security checking for
www.we-are-secure.com. He wants to find out the operating system of the we-are-secure server in the
information gathering step. Which of the following commands will he use to accomplish the task? (Choose
two)
A. nc 208.100.2.25 23
B. nmap -v -O www.we-are-secure.com
C. nc -v -n 208.100.2.25 80
D. nmap -v -O 208.100.2.25
Answer: B,D

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NO.12 You check performance logs and note that there has been a recent dramatic increase in the amount of
broadcast traffic. What is this most likely to be an indicator of?
A. Misconfigured router
B. DoS attack
C. Syn flood
D. Virus
Answer: B

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NO.13 John works as a Network Administrator for Perfect Solutions Inc. The company has a Linux-based
network. John is working as a root user on the Linux operating system. He wants to forward all the kernel
messages to the remote host having IP address 192.168.0.1. Which of the following changes will he
perform in the syslog.conf file to accomplish the task?
A. kern.* @192.168.0.1
B. !*.* @192.168.0.1
C. !kern.* @192.168.0.1
D. *.* @192.168.0.1
Answer: A

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NO.14 Which of the following statements are true about locating rogue access points using WLAN discovery
software such as NetStumbler, Kismet, or MacStumbler if you are using a Laptop integrated with Wi-Fi
compliant MiniPCI card? (Choose two)
A. These tools can determine the rogue access point even when it is attached to a wired network.
B. These tools can determine the authorization status of an access point.
C. These tools cannot detect rogue access points if the victim is using data encryption.
D. These tools detect rogue access points if the victim is using IEEE 802.11 frequency bands.
Answer: B,D

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NO.15 George works as an office assistant in Soft Well Inc. The company uses the Windows Vista operating
system. He wants to disable a program running on a computer. Which of the following Windows Defender
tools will he use to accomplish the task?
A. Allowed items
B. Quarantined items
C. Options
D. Software Explorer
Answer: D

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NO.16 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. None, adding a wireless access point is a common task and not a security risk.
B. It is likely to increase network traffic and slow down network performance.
C. This circumvents network intrusion detection.
D. An unauthorized WAP is one way for hackers to get into a network.
Answer: D

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NO.17 John works as a professional Ethical Hacker. He has been assigned the project of testing the security of
www.we-are-secure.com. He wants to use Kismet as a wireless sniffer to sniff the Weare-secure network.
Which of the following IEEE-based traffic can be sniffed with Kismet?
A. 802.11g
B. 802.11n
C. 802.11b
D. 802.11a
Answer: A,B,C,D

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NO.18 You work as a Network Administrator for XYZ CORP. The company has a Windows Active
Directory-based single domain single forest network. The functional level of the forest is Windows Server
2003. The company's management has decided to provide laptops to its sales team members. These
laptops are equipped with smart card readers. The laptops will be configured as wireless network clients.
You are required to accomplish the following tasks: The wireless network communication should be
secured. The laptop users should be able to use smart cards for getting authenticated. In order to
accomplish the tasks, you take the following steps: Configure 802.1x and WEP for the wireless
connections. Configure the PEAP-MS-CHAP v2 protocol for authentication. What will happen after you
have taken these steps?
A. Both tasks will be accomplished.
B. The laptop users will be able to use smart cards for getting authenticated.
C. The wireless network communication will be secured.
D. None of the tasks will be accomplished.
Answer: C

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NO.19 You run the wc -c file1.txt command. If this command displays any error message, you want to store the
error message in the error.txt file. Which of the following commands will you use to accomplish the task?
A. wc -c file1.txt >>error.txt
B. wc -c file1.txt 1>error.txt
C. wc -c file1.txt 2>error.txt
D. wc -c file1.txt >error.txt
Answer: C

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NO.20 Sarah works as a Web Developer for XYZ CORP. She is creating a Web site for her company. Sarah
wants greater control over the appearance and presentation of Web pages. She wants the ability to
precisely specify the display attributes and the appearance of elements on the Web pages. How will she
accomplish this?
A. Use the Database Design wizard.
B. Make two templates, one for the index page and the other for all other pages.
C. Use Cascading Style Sheet (CSS).
D. Make a template and use it to create each Web page.
Answer: C

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2013年7月25日星期四

Le dernier examen GIAC GPEN gratuit Télécharger

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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 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.2 Adam works on a Linux system. He is using Sendmail as the primary application to transmit emails.
Linux uses Syslog to maintain logs of what has occurred on the system. Which of the following log files
contains e-mail information such as source and destination IP addresses, date and time stamps etc?
A. /log/var/logd
B. /var/log/logmail
C. /log/var/mailog
D. /var/log/mailog
Answer: D

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NO.3 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.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 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.6 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.7 John works as a professional Ethical Hacker. He has been assigned a project to test the security of
www.we-are-secure.com. He copies the whole structure of the We-are-secure Web site to the local disk
and obtains all the files on the Web site. Which of the following techniques is he using to accomplish his
task?
A. TCP FTP proxy scanning
B. Eavesdropping
C. Web ripping
D. Fingerprinting
Answer: C

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NO.8 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.9 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.10 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.11 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.12 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.13 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.14 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.15 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.16 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.17 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.18 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.19 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.20 Which of the following options holds the strongest password?
A. california
B. $#164aviD