显示标签为“312-49”的博文。显示所有博文
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2013年11月11日星期一

Certification EC-COUNCIL de téléchargement gratuit pratique d'examen 312-49, questions et réponses

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Code d'Examen: 312-49
Nom d'Examen: EC-COUNCIL (Computer Hacking Forensic Investigator )
Questions et réponses: 150 Q&As

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NO.1 Before you are called to testify as an expert, what must an attorney do first?
A. engage in damage control
B. prove that the tools you used to conduct your examination are perfect
C. read your curriculum vitae to the jury
D. qualify you as an expert witness
Answer: D

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NO.2 In a computer forensics investigation, what describes the route that evidence takes from the time
you find it until the case is closed or goes to court?
A. rules of evidence
B. law of probability
C. chain of custody
D. policy of separation
Answer: C

EC-COUNCIL examen   312-49   certification 312-49   312-49

NO.3 A(n) _____________________ is one that's performed by a computer program rather than the
attacker manually performing the steps in the attack sequence.
A. blackout attack
B. automated attack
C. distributed attack
D. central processing attack
Answer: B

EC-COUNCIL   312-49   312-49   312-49

NO.4 What does the superblock in Linux define?
A. file system names
B. available space
C. location of the first inode
D. disk geometry
Answer: B, C, D

EC-COUNCIL   312-49   certification 312-49   312-49   312-49

NO.5 A honey pot deployed with the IP 172.16.1.108 was compromised by an attacker . Given below is
an excerpt from a Snort binary capture of the attack. Decipher the activity carried out by the
attacker by studying the log. Please note that you are required to infer only what is explicit in the
excerpt. (Note: The student is being tested on concepts learnt during passive OS fingerprinting,
basic TCP/IP connection concepts and the ability to read packet signatures from a sniff dump.)
03/15-20:21:24.107053 211.185.125.124:3500 -> 172.16.1.108:111
TCP TTL:43 TOS:0x0 ID:29726 IpLen:20 DgmLen:52 DF
***A**** Seq: 0x9B6338C5 Ack: 0x5820ADD0 Win: 0x7D78 TcpLen: 32
TCP Options (3) => NOP NOP TS: 23678634 2878772
=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
03/15-20:21:24.452051 211.185.125.124:789 -> 172.16.1.103:111
UDP TTL:43 TOS:0x0 ID:29733 IpLen:20 DgmLen:84
Len: 64
01 0A 8A 0A 00 00 00 00 00 00 00 02 00 01 86 A0 ................
00 00 00 02 00 00 00 03 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 01 86 B8 00 00 00 01 ................
00 00 00 11 00 00 00 00 ........
=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
03/15-20:21:24.730436 211.185.125.124:790 -> 172.16.1.103:32773
UDP TTL:43 TOS:0x0 ID:29781 IpLen:20 DgmLen:1104
Len: 1084
47 F7 9F 63 00 00 00 00 00 00 00 02 00 01 86 B8 G..c............
00 00 00 01 00 00 00 01 00 00 00 01 00 00 00 20 ...............
3A B1 5E E5 00 00 00 09 6C 6F 63 61 6C 68 6F 73 :.

2013年10月21日星期一

EC-COUNCIL 312-49, de formation et d'essai

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Code d'Examen: 312-49
Nom d'Examen: EC-COUNCIL (Computer Hacking Forensic Investigator )
Questions et réponses: 150 Q&As

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NO.1 With the standard Linux second extended file system (Ext2fs), a file is deleted when the inode
internal link count reaches ________.
A. 0
B. 10
C. 100
D. 1
Answer: A

certification EC-COUNCIL   312-49   312-49   312-49

NO.2 What type of attack occurs when an attacker can force a router to stop forwarding packets by
flooding the router with many open connections simultaneously so that all the hosts behind the
router are effectively disabled?
A. digital attack
B. denial of service
C. physical attack
D. ARP redirect
Answer: B

certification EC-COUNCIL   312-49 examen   312-49

NO.3 If you come across a sheepdip machine at your client site, what would you infer?
A. A sheepdip coordinates several honeypots
B. A sheepdip computer is another name for a honeypot
C. A sheepdip computer is used only for virus-checking.
D. A sheepdip computer defers a denial of service attack
Answer: C

certification EC-COUNCIL   312-49   312-49 examen   312-49

NO.4 When examining the log files from a Windows IIS Web Server, how often is a new log file
created?
A. the same log is used at all times
B. a new log file is created everyday
C. a new log file is created each week
D. a new log is created each time the Web Server is started
Answer: A

EC-COUNCIL   312-49 examen   certification 312-49

NO.5 Before you are called to testify as an expert, what must an attorney do first?
A. engage in damage control
B. prove that the tools you used to conduct your examination are perfect
C. read your curriculum vitae to the jury
D. qualify you as an expert witness
Answer: D

EC-COUNCIL   312-49 examen   312-49   certification 312-49   312-49

NO.6 What file structure database would you expect to find on floppy disks?
A. NTFS
B. FAT32
C. FAT16
D. FAT12
Answer: D

certification EC-COUNCIL   312-49 examen   312-49   312-49

NO.7 When an investigator contacts by telephone the domain administrator or controller listed by a
whois lookup to request all e-mails sent and received for a user account be preserved, what
U.S.C. statute authorizes this phone call and obligates the ISP to preserve e-mail records?
A. Title 18, Section 1030
B. Title 18, Section 2703(d)
C. Title 18, Section Chapter 90
D. Title 18, Section 2703(f)
Answer: D

EC-COUNCIL examen   312-49 examen   312-49   312-49   312-49 examen

NO.8 A(n) _____________________ is one that's performed by a computer program rather than the
attacker manually performing the steps in the attack sequence.
A. blackout attack
B. automated attack
C. distributed attack
D. central processing attack
Answer: B

EC-COUNCIL examen   312-49   certification 312-49

NO.9 When examining a file with a Hex Editor, what space does the file header occupy?
A. the last several bytes of the file
B. the first several bytes of the file
C. none, file headers are contained in the FAT
D. one byte at the beginning of the file
Answer: D

EC-COUNCIL   certification 312-49   certification 312-49   certification 312-49   312-49 examen

NO.10 In the context of file deletion process, which of the following statement holds true?
A. When files are deleted, the data is overwritten and the cluster marked as available
B. The longer a disk is in use, the less likely it is that deleted files will be overwritten
C. While booting, the machine may create temporary files that can delete evidence
D. Secure delete programs work by completely overwriting the file in one go
Answer: C

EC-COUNCIL   312-49   312-49   312-49

NO.11 How many characters long is the fixed-length MD5 algorithm checksum of a critical system file?
A. 128
B. 64
C. 32
D. 16
Answer: C

EC-COUNCIL   312-49   certification 312-49   certification 312-49

NO.12 The offset in a hexadecimal code is:
A. The last byte after the colon
B. The 0x at the beginning of the code
C. The 0x at the end of the code
D. The first byte after the colon
Answer: B

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NO.13 The newer Macintosh Operating System is based on:
A. OS/2
B. BSD Unix
C. Linux
D. Microsoft Windows
Answer: B

EC-COUNCIL examen   312-49   certification 312-49   312-49

NO.14 It takes _____________ mismanaged case/s to ruin your professional reputation as a computer
forensics examiner?
A. by law, three
B. quite a few
C. only one
D. at least two
Answer: C

certification EC-COUNCIL   312-49   312-49   312-49

NO.15 You are contracted to work as a computer forensics investigator for a regional bank that has four
30 TB storage area networks that store customer data. What method would be most efficient for
you to acquire digital evidence from this network?
A. create a compressed copy of the file with DoubleSpace
B. create a sparse data copy of a folder or file
C. make a bit-stream disk-to-image fileC
D. make a bit-stream disk-to-disk file
Answer: C

certification EC-COUNCIL   312-49 examen   312-49   312-49   312-49 examen

NO.16 A suspect is accused of violating the acceptable use of computing resources, as he has visited
adult websites and downloaded images. The investigator wants to demonstrate that the suspect
did indeed visit these sites. However, the suspect has cleared the search history and emptied the
cookie cache. Moreover, he has removed any images he might have downloaded. What can the
investigator do to prove the violation? Choose the most feasible option.
A. Image the disk and try to recover deleted files
B. Seek the help of co-workers who are eye-witnesses
C. Check the Windows registry for connection data (You may or may not recover)
D. Approach the websites for evidence
Answer: A

certification EC-COUNCIL   312-49   certification 312-49   certification 312-49   certification 312-49

NO.17 You are working for a large clothing manufacturer as a computer forensics investigator and are
called in to investigate an unusual case of an employee possibly stealing clothing designs from
the company and selling them under a different brand name for a different company. What you
discover during the course of the investigation is that the clothing designs are actually original
products of the employee and the company has no policy against an employee selling his own
designs on his own time. The only thing that you can find that the employee is doing wrong is that
his clothing design incorporates the same graphic symbol as that of the company with only the
wording in the graphic being different. What area of the law is the employee violating?
A. trademark law
B. copyright law
C. printright law
D. brandmark law
Answer: A

EC-COUNCIL examen   312-49 examen   312-49 examen   certification 312-49

NO.18 What does the superblock in Linux define?
A. file system names
B. available space
C. location of the first inode
D. disk geometry
Answer: B, C, D

EC-COUNCIL examen   certification 312-49   certification 312-49   312-49

NO.19 In a computer forensics investigation, what describes the route that evidence takes from the time
you find it until the case is closed or goes to court?
A. rules of evidence
B. law of probability
C. chain of custody
D. policy of separation
Answer: C

EC-COUNCIL examen   certification 312-49   312-49   312-49 examen   312-49 examen   312-49

NO.20 A honey pot deployed with the IP 172.16.1.108 was compromised by an attacker . Given below is
an excerpt from a Snort binary capture of the attack. Decipher the activity carried out by the
attacker by studying the log. Please note that you are required to infer only what is explicit in the
excerpt. (Note: The student is being tested on concepts learnt during passive OS fingerprinting,
basic TCP/IP connection concepts and the ability to read packet signatures from a sniff dump.)
03/15-20:21:24.107053 211.185.125.124:3500 -> 172.16.1.108:111
TCP TTL:43 TOS:0x0 ID:29726 IpLen:20 DgmLen:52 DF
***A**** Seq: 0x9B6338C5 Ack: 0x5820ADD0 Win: 0x7D78 TcpLen: 32
TCP Options (3) => NOP NOP TS: 23678634 2878772
=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
03/15-20:21:24.452051 211.185.125.124:789 -> 172.16.1.103:111
UDP TTL:43 TOS:0x0 ID:29733 IpLen:20 DgmLen:84
Len: 64
01 0A 8A 0A 00 00 00 00 00 00 00 02 00 01 86 A0 ................
00 00 00 02 00 00 00 03 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 01 86 B8 00 00 00 01 ................
00 00 00 11 00 00 00 00 ........
=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
03/15-20:21:24.730436 211.185.125.124:790 -> 172.16.1.103:32773
UDP TTL:43 TOS:0x0 ID:29781 IpLen:20 DgmLen:1104
Len: 1084
47 F7 9F 63 00 00 00 00 00 00 00 02 00 01 86 B8 G..c............
00 00 00 01 00 00 00 01 00 00 00 01 00 00 00 20 ...............
3A B1 5E E5 00 00 00 09 6C 6F 63 61 6C 68 6F 73 :.

2013年8月15日星期四

Dernières EC-COUNCIL 312-50 312-49 212-77 EC0-350 examen pratique questions et réponses

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Code d'Examen: 312-50

Nom d'Examen: EC-COUNCIL (Ethical Hacker Certified)

Questions et réponses: 765 Q&As

Code d'Examen: 312-49

Nom d'Examen: EC-COUNCIL (Computer Hacking Forensic Investigator )

Questions et réponses: 150 Q&As

Code d'Examen: 212-77

Nom d'Examen: EC-COUNCIL (Linux Security )

Questions et réponses: 50 Q&As

Code d'Examen: EC0-350

Nom d'Examen: EC-COUNCIL (Ethical hacking and countermeasures)

Questions et réponses: 878 Q&As

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NO.1 Which of the following is true of Linux passwords?
A. They are changed with the password utility.
B. They must be changed once a month.
C. They may consist only of lowercase letters and numbers.
D. They may be changed by the user who owns an account or by root.
Answer: A

EC-COUNCIL examen   212-77 examen   certification 212-77   212-77

NO.2 Under the bash shell which is the most appropriate place to set environment
variables that apply to all users?
A. /etc/skel
B. rc.sysinit
C. /etc/profile
D. /etc/bashrc
E. rc.local
Answer: A

certification EC-COUNCIL   212-77   212-77 examen   212-77 examen   212-77

NO.3 You are told by a co-worker that information pertaining to the syslog command can
be found in man page 3. How would you view this information?
A. man syslog 3
B. man 3 syslog
C. man syslog -3
D. man -3 syslog
Answer: B

EC-COUNCIL examen   certification 212-77   212-77   212-77

NO.4 Which of the following measures is the most effective way to prevent attacks
through various network services?
A. Disable a service in the appropriate /etc/xinetd.d configuration file.
B. Use a firewall to drop all requests to unneeded services.
C. Block service requests with the appropriate commands in /etc/hosts.deny.
D. Uninstall unneeded network services.
Answer: D

certification EC-COUNCIL   212-77 examen   212-77

NO.5 Which of the following is not a Linux DHCP client?
A. dhcpcd
B. pump
C. dhcpd
D. dhclient
Answer: A

EC-COUNCIL   certification 212-77   certification 212-77   212-77 examen   212-77   212-77

NO.6 Which of the following statements applies to the IP address 192.168.0.1?
A. It is reserved.
B. It cannot be assigned to a host that accesses the Internet.
C. It is designated for multicast transmission.
D. It can be freely assigned to a host on a private network
Answer: A

EC-COUNCIL examen   212-77   certification 212-77   certification 212-77

NO.7 Which of the following are ways to disable dynamic routing?
A. The linuxconf Gated Daemon screen
B. The linuxconf Routed Daemon screen
C. echo "0" > /proc/sys/net/ipv4/dynamic_routing
D. Editing /etc/sysconfig/network-scripts
Answer: B

EC-COUNCIL   certification 212-77   212-77   212-77   212-77 examen

NO.8 Assume that you have just logged on as a regular user. Which of the following
commands allows you to edit the file with user passwords associated with the
Shadow Password Suite?
A. vi /etc/shadow
B. sudo -c "vi /etc/shadow"
C. su -c "vi /etc/shadow"
D. visu vi /etc/passwd
Answer: B

EC-COUNCIL examen   212-77   212-77 examen   212-77   212-77

NO.9 Which of the following are risks of SUID and SGID programs? (Choose two)
A. Bugs in the programs may cause more damage than they would in ordinary programs.
B. The program files are large and thus may cause a disk to run out of space.
C. Because the programs require password entry, running them over an insecure network
link runs the risk of password interception.
D. Users may be able to abuse a program's features, thus doing more damage than would
otherwise be possible.
Answer: B, D

EC-COUNCIL   212-77   212-77 examen   212-77 examen

NO.10 How should you engage users in helping to secure your computer's passwords?
A. Educate them about the importance of security, the means of choosing good
passwords, and the ways crackers can obtain passwords.
B. Instruct your users to e-mail copies of their passwords to themselves on other systems
so that they're readily available in case of an emergency.
C. Enforce password change rules but don't tell users how crackers obtain passwords
since you could be educating a future cracker.
D. Give some of your users copies of the encrypted database file as backup in case a
cracker breaks in and corrupts the original.
Answer: A

EC-COUNCIL   212-77 examen   certification 212-77   212-77   212-77 examen   212-77 examen