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2014年5月21日星期三

Guide de formation plus récente de EC-COUNCIL EC0-350 312-50v7 312-50

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Code d'Examen: EC0-350
Nom d'Examen: EC-COUNCIL (Ethical hacking and countermeasures)
Questions et réponses: 878 Q&As

Code d'Examen: 312-50v7
Nom d'Examen: EC-COUNCIL (Ethical Hacking and Countermeasures (CEHv7))
Questions et réponses: 514 Q&As

Code d'Examen: 312-50
Nom d'Examen: EC-COUNCIL (Ethical Hacker Certified)
Questions et réponses: 765 Q&As

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NO.1 Jimmy, an attacker, knows that he can take advantage of poorly designed input validation routines to
create or alter SQL commands to gain access to private data or execute commands in the database.
What technique does Jimmy use to compromise a database.?
A. Jimmy can submit user input that executes an operating system command to compromise a target
system
B. Jimmy can gain control of system to flood the target system with requests, preventing legitimate users
from gaining access
C. Jimmy can utilize an incorrect configuration that leads to access with higher-than expected privilege of
the database
D. Jimmy can utilize this particular database threat that is an SQL injection technique to penetrate a target
system
Answer: D

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NO.2 This IDS defeating technique works by splitting a datagram (or packet) into multiple fragments and the
IDS will not spot the true nature of the fully assembled datagram. The datagram is not reassembled until it
reaches its final destination. It would be a processor-intensive task for IDS to reassemble all fragments
itself, and on a busy system the packet will slip through the IDS onto the network. What is this technique
called?
A. IP Routing or Packet Dropping
B. IDS Spoofing or Session Assembly
C. IP Fragmentation or Session Splicing
D. IP Splicing or Packet Reassembly
Answer: C

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NO.3 If a competitor wants to cause damage to your organization, steal critical secrets, or put you out of
business, they just have to find a job opening, prepare someone to pass the interview, have that person
hired, and they will be in the organization.
How would you prevent such type of attacks?
A. It is impossible to block these attacks
B. Hire the people through third-party job agencies who will vet them for you
C. Conduct thorough background checks before you engage them
D. Investigate their social networking profiles
Answer: C

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NO.4 What type of attack is shown in the following diagram?
A. Man-in-the-Middle (MiTM) Attack
B. Session Hijacking Attack
C. SSL Spoofing Attack
D. Identity Stealing Attack
Answer: A

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NO.5 SYN Flood is a DOS attack in which an attacker deliberately violates the three-way handshake and
opens a large number of half-open TCP connections. The signature of attack for SYN Flood contains:
A. The source and destination address having the same value
B. A large number of SYN packets appearing on a network without the corresponding reply packets
C. The source and destination port numbers having the same value
D. A large number of SYN packets appearing on a network with the corresponding reply packets
Answer: B

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NO.6 You are the security administrator of Jaco Banking Systems located in Boston. You are setting up
e-banking website (http://www.ejacobank.com) authentication system. Instead of issuing banking
customer with a single password, you give them a printed list of 100 unique passwords. Each time the
customer needs to log into the e-banking system website, the customer enters the next password on the
list. If someone sees them type the password using shoulder surfing, MiTM or keyloggers, then no
damage is done because the password will not be accepted a second time. Once the list of 100
passwords is almost finished, the system automatically sends out a new password list by encrypted e-mail
to the customer.
You are confident that this security implementation will protect the customer from password abuse.
Two months later, a group of hackers called "HackJihad" found a way to access the one-time password
list issued to customers of Jaco Banking Systems. The hackers set up a fake website
(http://www.e-jacobank.com) and used phishing attacks to direct ignorant customers to it. The fake
website asked users for their e-banking username and password, and the next unused entry from their
one-time password sheet. The hackers collected 200 customer's username/passwords this way. They
transferred money from the customer's bank account to various offshore accounts.
Your decision of password policy implementation has cost the bank with USD 925,000 to hackers. You
immediately shut down the e-banking website while figuring out the next best security solution
What effective security solution will you recommend in this case?
A. Implement Biometrics based password authentication system. Record the customers face image to the
authentication database
B. Configure your firewall to block logon attempts of more than three wrong tries
C. Enable a complex password policy of 20 characters and ask the user to change the password
immediately after they logon and do not store password histories
D. Implement RSA SecureID based authentication system
Answer: D

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NO.7 Jack Hacker wants to break into Brown Co.'s computers and obtain their secret double fudge cookie
recipe. Jack calls Jane, an accountant at Brown Co., pretending to be an administrator from Brown Co.
Jack tells Jane that there has been a problem with some accounts and asks her to verify her password
with him ''just to double check our records.'' Jane does not suspect anything amiss, and parts with her
password. Jack can now access Brown Co.'s computers with a valid user name and password, to steal
the cookie recipe. What kind of attack is being illustrated here?
A. Reverse Psychology
B. Reverse Engineering
C. Social Engineering
D. Spoofing Identity
E. Faking Identity
Answer: C

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NO.8 Which of the following countermeasure can specifically protect against both the MAC Flood and MAC
Spoofing attacks?
A. Configure Port Security on the switch
B. Configure Port Recon on the switch
C. Configure Switch Mapping
D. Configure Multiple Recognition on the switch
Answer: A

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2014年3月25日星期二

Le plus récent matériel de formation EC-COUNCIL 312-50

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Code d'Examen: 312-50
Nom d'Examen: EC-COUNCIL (Ethical Hacker Certified)
Questions et réponses: 765 Q&As

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NO.1 A very useful resource for passively gathering information about a target company
is:
A. Host scanning
B. Whois search
C. Traceroute
D. Ping sweep
Answer: B

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NO.2 Which of the following tools are used for footprinting?(Choose four.
A. Sam Spade
B. NSLookup
C. Traceroute
D. Neotrace
E. Cheops
Answer: A, B, C, D

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NO.3 According to the CEH methodology, what is the next step to be performed after
footprinting?
A. Enumeration
B. Scanning
C. System Hacking
D. Social Engineering
E. Expanding Influence
Answer: B

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NO.4 Who is an Ethical Hacker?
A. A person whohacksfor ethical reasons
B. A person whohacksfor an ethical cause
C. A person whohacksfor defensive purposes
D. A person whohacksfor offensive purposes
Answer: C

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NO.5 You are footprinting an organization to gather competitive intelligence. You visit
the company's website for contact information and telephone numbers but do not
find it listed there. You know that they had the entire staff directory listed on their
website 12 months ago but not it is not there.
How would it be possible for you to retrieve information from the website that is
outdated?
A. Visit google's search engine and view the cached copy.
B. Visit Archive.org web site to retrieve the Internet archive of the company's website.
C. Crawl the entire website and store them into your computer.
D. Visit the company's partners and customers website for this information.
Answer: B

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NO.6 What is the essential difference between an 'Ethical Hacker' and a 'Cracker'?
A. The ethical hacker does not use the same techniques or skills as a cracker.
B. The ethical hacker does it strictly for financial motives unlike a cracker.
C. The ethical hacker has authorization from the owner of the target.
D. The ethical hacker is just a cracker who is getting paid.
Answer: C

EC-COUNCIL   312-50   312-50

NO.7 User which Federal Statutes does FBI investigate for computer crimes involving
e-mail scams and mail fraud?
A. 18 U.S.C 1029 Possession of Access Devices
B. 18 U.S.C 1030 Fraud and related activity in connection with computers
C. 18 U.S.C 1343 Fraud by wire, radio or television
D. 18 U.S.C 1361 Injury to Government Property
E. 18 U.S.C 1362 Government communication systems
F. 18 U.S.C 1831 Economic Espionage Act
G. 18 U.S.C 1832 Trade Secrets Act
Answer: B

EC-COUNCIL   312-50   312-50 examen   certification 312-50

NO.8 What are the two basic types of attacks?(Choose two.
A. DoS
B. Passive
C. Sniffing
D. Active
E. Cracking
Answer: B, D

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NO.9 A Certkiller security System Administrator is reviewing the network system log files.
He notes the following:
- Network log files are at 5 MB at 12:00 noon.
-At 14:00 hours, the log files at 3 MB.
What should he assume has happened and what should he do about the situation?
A. He should contact the attacker's ISP as soon as possible and have the connection
disconnected.
B. He should log the event as suspicious activity, continue to investigate, and take further
steps according to site security policy.
C. He should log the file size, and archive the information, because the router crashed.
D. He should run a file system check, because the Syslog server has a self correcting file
system problem.
E. He should disconnect from the Internet discontinue any further unauthorized use,
because an attack has taken place.
Answer: B

EC-COUNCIL   312-50   312-50

NO.10 What is "Hacktivism"?
A. Hacking for a cause
B. Hacking ruthlessly
C. An association which groups activists
D. None of the above
Answer: A

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NO.11 Which one of the following is defined as the process of distributing incorrect
Internet Protocol (IP) addresses/names with the intent of diverting traffic?
A. Network aliasing
B. Domain Name Server (DNS) poisoning
C. Reverse Address Resolution Protocol (ARP)
D. Port scanning
Answer: B

EC-COUNCIL   312-50   312-50   certification 312-50

NO.12 Your Certkiller trainee Sandra asks you which are the four existing Regional
Internet Registry (RIR's)?
A. APNIC, PICNIC, ARIN, LACNIC
B. RIPE NCC, LACNIC, ARIN, APNIC
C. RIPE NCC, NANIC, ARIN, APNIC
D. RIPE NCC, ARIN, APNIC, LATNIC
Answer: B

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NO.13 Snort has been used to capture packets on the network. On studying the packets, the
penetration tester finds it to be abnormal. If you were the penetration tester, why
would you find this abnormal?
(Note: The student is being tested on concept learnt during passive OS
fingerprinting, basic TCP/IP connection concepts and the ability to read packet
signatures from a sniff dumo.)
05/20-17:06:45.061034 192.160.13.4:31337 -> 172.16.1.101:1
TCP TTL:44 TOS:0x10 ID:242
***FRP** Seq: 0XA1D95 Ack: 0x53 Win: 0x400
...
05/20-17:06:58.685879 192.160.13.4:31337 ->
172.16.1.101:1024
TCP TTL:44 TOS:0x10 ID:242
***FRP** Seg: 0XA1D95 Ack: 0x53 Win: 0x400
What is odd about this attack? (Choose the most appropriate statement)
A. This is not a spoofed packet as the IP stack has increasing numbers for the three flags.
B. This is back orifice activity as the scan comes from port 31337.
C. The attacker wants to avoid creating a sub-carrier connection that is not normally
valid.
D. There packets were created by a tool; they were not created by a standard IP stack.
Answer: B

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NO.14 You receive an email with the following message:
Hello Steve,
We are having technical difficulty in restoring user database record after the recent
blackout. Your account data is corrupted. Please logon to the SuperEmailServices.com
and change your password.
http://www.supermailservices.com@0xde.0xad.0xbe.0xef/support/logon.htm
If you do not reset your password within 7 days, your account will be permanently
disabled locking you out from our e-mail services.
Sincerely,
Technical Support
SuperEmailServices
From this e-mail you suspect that this message was sent by some hacker since you
have been using their e-mail services for the last 2 years and they have never sent
out an e-mail such as this. You also observe the URL in the message and confirm
your suspicion about 0xde.0xad.0xbde.0xef which looks like hexadecimal numbers.
You immediately enter the following at Windows 2000 command prompt:
Ping0xde.0xad.0xbe.0xef
You get a response with a valid IP address.
What is the obstructed IP address in the e-mail URL?
A. 222.173.190.239
B. 233.34.45.64
C. 54.23.56.55
D. 199.223.23.45
Answer: A

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NO.15 You are footprinting Acme.com to gather competitive intelligence. You visit the
acme.com websire for contact information and telephone number numbers but do
not find it listed there. You know that they had the entire staff directory listed on
their website 12 months ago but now it is not there. How would it be possible for you
to retrieve information from the website that is outdated?
A. Visit google search engine and view the cached copy.
B. Visit Archive.org site to retrieve the Internet archive of the acme website.
C. Crawl the entire website and store them into your computer.
D. Visit the company's partners and customers website for this information.
Answer: B

EC-COUNCIL   312-50   312-50   312-50 examen   312-50

NO.16 How does Traceroute map the route that a packet travels from point A to point B?
A. It uses a TCP Timestamp packet that will elicit a time exceed in transit message.
B. It uses a protocol that will be rejected at the gateways on its way to its destination.
C. It manipulates the value of time to live (TTL) parameter packet to elicit a time
exceeded in transit message.
D. It manipulated flags within packets to force gateways into generating error messages.
Answer: C

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NO.17 To what does "message repudiation" refer to what concept in the realm of email
security?
A. Message repudiation means a user can validate which mail server or servers a message
was passed through.
B. Message repudiation means a user can claim damages for a mail message that
damaged their reputation.
C. Message repudiation means a recipient can be sure that a message was sent from a
particular person.
D. Message repudiation means a recipient can be sure that a message was sent from a
certain host.
E. Message repudiation means a sender can claim they did not actually send a particular
message.
Answer: E

EC-COUNCIL   312-50   312-50

NO.18 Which of the following activities will NOT be considered as passive footprinting?
A. Go through the rubbish to find out any information that might have been discarded.
B. Search on financial site such as Yahoo Financial to identify assets.
C. Scan the range of IP address found in the target DNS database.
D. Perform multiples queries using a search engine.
Answer: C

EC-COUNCIL   312-50 examen   312-50   312-50 examen

NO.19 Where should a security tester be looking for information that could be used by an
attacker against an organization? (Select all that apply)
A. CHAT rooms
B. WHOIS database
C. News groups
D. Web sites
E. Search engines
F. Organization's own web site
Answer: A, B, C, D, E, F

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NO.20 What does the term "Ethical Hacking" mean?
A. Someone who is hacking for ethical reasons.
B. Someone who is using his/her skills for ethical reasons.
C. Someone who is using his/her skills for defensive purposes.
D. Someone who is using his/her skills for offensive purposes.
Answer: C

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Pass4Test est un bon catalyseur du succès pour les professionnels IT. Beaucoup de gens passer le test EC-COUNCIL 312-50 avec l'aide de l'outil formation. Les experts profitent leurs expériences riches et connaissances à faire sortir la Q&A EC-COUNCIL 312-50 plus nouvelle qui comprend les exercices de pratiquer et le test simulation. Vous pouvez passer le test EC-COUNCIL 312-50 plus facilement avec la Q&A de Pass4Test.

2014年1月3日星期五

Meilleur EC-COUNCIL 312-50 test formation guide

Pass4Test est un bon catalyseur du succès pour les professionnels IT. Beaucoup de gens passer le test EC-COUNCIL 312-50 avec l'aide de l'outil formation. Les experts profitent leurs expériences riches et connaissances à faire sortir la Q&A EC-COUNCIL 312-50 plus nouvelle qui comprend les exercices de pratiquer et le test simulation. Vous pouvez passer le test EC-COUNCIL 312-50 plus facilement avec la Q&A de Pass4Test.

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Code d'Examen: 312-50
Nom d'Examen: EC-COUNCIL (Ethical Hacker Certified)
Questions et réponses: 765 Q&As

312-50 Démo gratuit à télécharger: http://www.pass4test.fr/312-50.html

NO.1 User which Federal Statutes does FBI investigate for computer crimes involving
e-mail scams and mail fraud?
A. 18 U.S.C 1029 Possession of Access Devices
B. 18 U.S.C 1030 Fraud and related activity in connection with computers
C. 18 U.S.C 1343 Fraud by wire, radio or television
D. 18 U.S.C 1361 Injury to Government Property
E. 18 U.S.C 1362 Government communication systems
F. 18 U.S.C 1831 Economic Espionage Act
G. 18 U.S.C 1832 Trade Secrets Act
Answer: B

EC-COUNCIL   312-50   certification 312-50   312-50

NO.2 A very useful resource for passively gathering information about a target company
is:
A. Host scanning
B. Whois search
C. Traceroute
D. Ping sweep
Answer: B

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NO.3 Which of the following tools are used for footprinting?(Choose four.
A. Sam Spade
B. NSLookup
C. Traceroute
D. Neotrace
E. Cheops
Answer: A, B, C, D

EC-COUNCIL   312-50 examen   312-50 examen   certification 312-50   312-50 examen

NO.4 Where should a security tester be looking for information that could be used by an
attacker against an organization? (Select all that apply)
A. CHAT rooms
B. WHOIS database
C. News groups
D. Web sites
E. Search engines
F. Organization's own web site
Answer: A, B, C, D, E, F

EC-COUNCIL   312-50   certification 312-50   312-50

NO.5 To what does "message repudiation" refer to what concept in the realm of email
security?
A. Message repudiation means a user can validate which mail server or servers a message
was passed through.
B. Message repudiation means a user can claim damages for a mail message that
damaged their reputation.
C. Message repudiation means a recipient can be sure that a message was sent from a
particular person.
D. Message repudiation means a recipient can be sure that a message was sent from a
certain host.
E. Message repudiation means a sender can claim they did not actually send a particular
message.
Answer: E

EC-COUNCIL   312-50   312-50   312-50   312-50 examen

NO.6 Your Certkiller trainee Sandra asks you which are the four existing Regional
Internet Registry (RIR's)?
A. APNIC, PICNIC, ARIN, LACNIC
B. RIPE NCC, LACNIC, ARIN, APNIC
C. RIPE NCC, NANIC, ARIN, APNIC
D. RIPE NCC, ARIN, APNIC, LATNIC
Answer: B

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NO.7 You receive an email with the following message:
Hello Steve,
We are having technical difficulty in restoring user database record after the recent
blackout. Your account data is corrupted. Please logon to the SuperEmailServices.com
and change your password.
http://www.supermailservices.com@0xde.0xad.0xbe.0xef/support/logon.htm
If you do not reset your password within 7 days, your account will be permanently
disabled locking you out from our e-mail services.
Sincerely,
Technical Support
SuperEmailServices
From this e-mail you suspect that this message was sent by some hacker since you
have been using their e-mail services for the last 2 years and they have never sent
out an e-mail such as this. You also observe the URL in the message and confirm
your suspicion about 0xde.0xad.0xbde.0xef which looks like hexadecimal numbers.
You immediately enter the following at Windows 2000 command prompt:
Ping0xde.0xad.0xbe.0xef
You get a response with a valid IP address.
What is the obstructed IP address in the e-mail URL?
A. 222.173.190.239
B. 233.34.45.64
C. 54.23.56.55
D. 199.223.23.45
Answer: A

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NO.8 Snort has been used to capture packets on the network. On studying the packets, the
penetration tester finds it to be abnormal. If you were the penetration tester, why
would you find this abnormal?
(Note: The student is being tested on concept learnt during passive OS
fingerprinting, basic TCP/IP connection concepts and the ability to read packet
signatures from a sniff dumo.)
05/20-17:06:45.061034 192.160.13.4:31337 -> 172.16.1.101:1
TCP TTL:44 TOS:0x10 ID:242
***FRP** Seq: 0XA1D95 Ack: 0x53 Win: 0x400
...
05/20-17:06:58.685879 192.160.13.4:31337 ->
172.16.1.101:1024
TCP TTL:44 TOS:0x10 ID:242
***FRP** Seg: 0XA1D95 Ack: 0x53 Win: 0x400
What is odd about this attack? (Choose the most appropriate statement)
A. This is not a spoofed packet as the IP stack has increasing numbers for the three flags.
B. This is back orifice activity as the scan comes from port 31337.
C. The attacker wants to avoid creating a sub-carrier connection that is not normally
valid.
D. There packets were created by a tool; they were not created by a standard IP stack.
Answer: B

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NO.9 What does the term "Ethical Hacking" mean?
A. Someone who is hacking for ethical reasons.
B. Someone who is using his/her skills for ethical reasons.
C. Someone who is using his/her skills for defensive purposes.
D. Someone who is using his/her skills for offensive purposes.
Answer: C

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NO.10 You are footprinting an organization to gather competitive intelligence. You visit
the company's website for contact information and telephone numbers but do not
find it listed there. You know that they had the entire staff directory listed on their
website 12 months ago but not it is not there.
How would it be possible for you to retrieve information from the website that is
outdated?
A. Visit google's search engine and view the cached copy.
B. Visit Archive.org web site to retrieve the Internet archive of the company's website.
C. Crawl the entire website and store them into your computer.
D. Visit the company's partners and customers website for this information.
Answer: B

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NO.11 What is the essential difference between an 'Ethical Hacker' and a 'Cracker'?
A. The ethical hacker does not use the same techniques or skills as a cracker.
B. The ethical hacker does it strictly for financial motives unlike a cracker.
C. The ethical hacker has authorization from the owner of the target.
D. The ethical hacker is just a cracker who is getting paid.
Answer: C

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NO.12 Who is an Ethical Hacker?
A. A person whohacksfor ethical reasons
B. A person whohacksfor an ethical cause
C. A person whohacksfor defensive purposes
D. A person whohacksfor offensive purposes
Answer: C

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NO.13 According to the CEH methodology, what is the next step to be performed after
footprinting?
A. Enumeration
B. Scanning
C. System Hacking
D. Social Engineering
E. Expanding Influence
Answer: B

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NO.14 A Certkiller security System Administrator is reviewing the network system log files.
He notes the following:
- Network log files are at 5 MB at 12:00 noon.
-At 14:00 hours, the log files at 3 MB.
What should he assume has happened and what should he do about the situation?
A. He should contact the attacker's ISP as soon as possible and have the connection
disconnected.
B. He should log the event as suspicious activity, continue to investigate, and take further
steps according to site security policy.
C. He should log the file size, and archive the information, because the router crashed.
D. He should run a file system check, because the Syslog server has a self correcting file
system problem.
E. He should disconnect from the Internet discontinue any further unauthorized use,
because an attack has taken place.
Answer: B

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NO.15 How does Traceroute map the route that a packet travels from point A to point B?
A. It uses a TCP Timestamp packet that will elicit a time exceed in transit message.
B. It uses a protocol that will be rejected at the gateways on its way to its destination.
C. It manipulates the value of time to live (TTL) parameter packet to elicit a time
exceeded in transit message.
D. It manipulated flags within packets to force gateways into generating error messages.
Answer: C

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NO.16 Which of the following activities will NOT be considered as passive footprinting?
A. Go through the rubbish to find out any information that might have been discarded.
B. Search on financial site such as Yahoo Financial to identify assets.
C. Scan the range of IP address found in the target DNS database.
D. Perform multiples queries using a search engine.
Answer: C

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NO.17 You are footprinting Acme.com to gather competitive intelligence. You visit the
acme.com websire for contact information and telephone number numbers but do
not find it listed there. You know that they had the entire staff directory listed on
their website 12 months ago but now it is not there. How would it be possible for you
to retrieve information from the website that is outdated?
A. Visit google search engine and view the cached copy.
B. Visit Archive.org site to retrieve the Internet archive of the acme website.
C. Crawl the entire website and store them into your computer.
D. Visit the company's partners and customers website for this information.
Answer: B

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NO.18 What is "Hacktivism"?
A. Hacking for a cause
B. Hacking ruthlessly
C. An association which groups activists
D. None of the above
Answer: A

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NO.19 Which one of the following is defined as the process of distributing incorrect
Internet Protocol (IP) addresses/names with the intent of diverting traffic?
A. Network aliasing
B. Domain Name Server (DNS) poisoning
C. Reverse Address Resolution Protocol (ARP)
D. Port scanning
Answer: B

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NO.20 What are the two basic types of attacks?(Choose two.
A. DoS
B. Passive
C. Sniffing
D. Active
E. Cracking
Answer: B, D

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