2014年2月10日星期一

EC-COUNCIL 312-49認定試験に合格できる機会を逃さぬ

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試験番号:312-49問題集
試験科目:Computer Hacking Forensic Investigator
最近更新時間:2014-02-10
問題と解答:全150問
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NO.1 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

EC-COUNCIL認定証   312-49   312-49   312-49過去問   312-49

NO.2 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

EC-COUNCIL認定試験   312-49認証試験   312-49参考書   312-49   312-49

NO.3 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

EC-COUNCIL参考書   312-49認定証   312-49   312-49問題集   312-49問題集

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認定資格   312-49問題集   312-49

NO.5 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練習問題   312-49参考書   312-49過去問   312-49

NO.6 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認定資格   312-49認定証

NO.7 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   312-49参考書   312-49練習問題   312-49練習問題

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問題集   312-49問題集   312-49認定資格

NO.9 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

EC-COUNCIL   312-49練習問題   312-49   312-49過去問   312-49過去問

NO.10 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練習問題   312-49過去問   312-49参考書   312-49

NO.11 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問題集   312-49練習問題

NO.12 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認定証   312-49参考書   312-49問題集   312-49認定資格   312-49認定証   312-49問題集

NO.13 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

EC-COUNCIL練習問題   312-49参考書   312-49問題集   312-49認定証

NO.14 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 :.

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