CEH v11 Practice Test Questions with
Answers Graded A+
What is the known plaintext attack used against DES which gives the result that
encrypting plaintext with one DES key followed by encrypting it with a second DES key
is no more secure than using a single key?
A. Replay attack
B. Traffic analysis attack
C. Meet-in-the-middle attack
D. Man-in-the-middle attack - Answer-C. Meet-in-the-middle attack
You are tasked to perform a penetration test. While you are performing information
gathering, you find an employee list in Google. You find the receptionist's email, and
you send her an email changing the source email to her boss's email (boss@company).
In this email, you ask for a pdf with information. She reads your email and sends back a
pdf with links. You exchange the pdf links with your malicious links (these links contain
malware) and send back the modified pdf, saying that the links don't work. She reads
your email, opens the links, and her machine gets infected. You now have access to the
company network. What testing method did you use?
A. Eavesdropping
B. Piggybacking
C. Social engineering
D. Tailgating - Answer-C. Social engineering
While performing online banking using a Web browser, a user receives an email that
contains a link to an interesting Web site. When the user clicks on the link, another Web
browser session starts and displays a video of cats playing a piano. The next business
day, the user receives what looks like an email from his bank, indicating that his bank
account has been accessed from a foreign country. The email asks the user to call his
bank and verify the authorization of a funds transfer that took place. What Web browser-
based security vulnerability was exploited to compromise the user?
A. Clickjacking
B. Cross-Site Scripting
C. Cross-Site Request Forgery
D. Web form input validation - Answer-C. Cross-Site Request Forgery
Which service in a PKI will vouch for the identity of an individual or company?
A. KDC
B. CR
, C. CBC
D. CA - Answer-D. CA
Identify the web application attack where the attackers exploit vulnerabilities in
dynamically generated web pages to inject client-side script into web pages viewed by
other users.
A. LDAP Injection attack
B. Cross-Site Scripting (XSS)
C. SQL injection attack
D. Cross-Site Request Forgery (CSRF) - Answer-B. Cross-Site Scripting (XSS)
User A is writing a sensitive email message to user B outside the local network. User A
has chosen to use PKI to secure his message and ensure only user B can read the
sensitive email. At what layer of the OSI layer does the encryption and decryption of the
message take place?
A. Application
B. Transport
C. Session
D. Presentation - Answer-D. Presentation
How is the public key distributed in an orderly, controlled fashion so that the users can
be sure
of the sender's identity?
A. Hash value
B. Digital signature
C. Private key
D. Digital certificate - Answer-D. Digital certificate
What do Trinoo, TFN2k, WinTrinoo, T-Sight, and Stracheldraht have in common?
A. All are tools that can be used not only by hackers, but also security personnel
B. All are hacking tools developed by the legion of doom
C. All are tools that are only effective against Windows D. All are tools that are only
effective against Linux
E. All are DDOS tools - Answer-E. All are DDOS tools
A zone file consists of which of the following Resource Records (RRs)?
A. DNS, NS, PTR, and MX records
B. SOA, NS, A, and MX records
C. DNS, NS, AXFR, and MX records
D. SOA, NS, AXFR, and MX records - Answer-B. SOA, NS, A, and MX records
Answers Graded A+
What is the known plaintext attack used against DES which gives the result that
encrypting plaintext with one DES key followed by encrypting it with a second DES key
is no more secure than using a single key?
A. Replay attack
B. Traffic analysis attack
C. Meet-in-the-middle attack
D. Man-in-the-middle attack - Answer-C. Meet-in-the-middle attack
You are tasked to perform a penetration test. While you are performing information
gathering, you find an employee list in Google. You find the receptionist's email, and
you send her an email changing the source email to her boss's email (boss@company).
In this email, you ask for a pdf with information. She reads your email and sends back a
pdf with links. You exchange the pdf links with your malicious links (these links contain
malware) and send back the modified pdf, saying that the links don't work. She reads
your email, opens the links, and her machine gets infected. You now have access to the
company network. What testing method did you use?
A. Eavesdropping
B. Piggybacking
C. Social engineering
D. Tailgating - Answer-C. Social engineering
While performing online banking using a Web browser, a user receives an email that
contains a link to an interesting Web site. When the user clicks on the link, another Web
browser session starts and displays a video of cats playing a piano. The next business
day, the user receives what looks like an email from his bank, indicating that his bank
account has been accessed from a foreign country. The email asks the user to call his
bank and verify the authorization of a funds transfer that took place. What Web browser-
based security vulnerability was exploited to compromise the user?
A. Clickjacking
B. Cross-Site Scripting
C. Cross-Site Request Forgery
D. Web form input validation - Answer-C. Cross-Site Request Forgery
Which service in a PKI will vouch for the identity of an individual or company?
A. KDC
B. CR
, C. CBC
D. CA - Answer-D. CA
Identify the web application attack where the attackers exploit vulnerabilities in
dynamically generated web pages to inject client-side script into web pages viewed by
other users.
A. LDAP Injection attack
B. Cross-Site Scripting (XSS)
C. SQL injection attack
D. Cross-Site Request Forgery (CSRF) - Answer-B. Cross-Site Scripting (XSS)
User A is writing a sensitive email message to user B outside the local network. User A
has chosen to use PKI to secure his message and ensure only user B can read the
sensitive email. At what layer of the OSI layer does the encryption and decryption of the
message take place?
A. Application
B. Transport
C. Session
D. Presentation - Answer-D. Presentation
How is the public key distributed in an orderly, controlled fashion so that the users can
be sure
of the sender's identity?
A. Hash value
B. Digital signature
C. Private key
D. Digital certificate - Answer-D. Digital certificate
What do Trinoo, TFN2k, WinTrinoo, T-Sight, and Stracheldraht have in common?
A. All are tools that can be used not only by hackers, but also security personnel
B. All are hacking tools developed by the legion of doom
C. All are tools that are only effective against Windows D. All are tools that are only
effective against Linux
E. All are DDOS tools - Answer-E. All are DDOS tools
A zone file consists of which of the following Resource Records (RRs)?
A. DNS, NS, PTR, and MX records
B. SOA, NS, A, and MX records
C. DNS, NS, AXFR, and MX records
D. SOA, NS, AXFR, and MX records - Answer-B. SOA, NS, A, and MX records
