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Exam Code: 312-50
Exam Title: Ethical Hacking and Countermeasures (CEHv6)
Vendor: EC-Council
Exam Questions: 614
Last Updated: December 18th,2024

Question 1

- (Topic 3)
A distributed port scan operates by:

A. Blocking access to the scanning clients by the targeted host
B. Using denial-of-service software against a range of TCP ports
C. Blocking access to the targeted host by each of the distributed scanning clients
D. Having multiple computers each scan a small number of ports, then correlating the results

Correct Answer:D
Think of dDoS (distributed Denial of Service) where you use a large number of computers to create simultaneous traffic against a victim in order to shut them down.

Question 2

- (Topic 23)
Fake Anti-Virus, is one of the most frequently encountered and persistent threats on the web. This malware uses social engineering to lure users into infected websites with a technique called Search Engine Optimization.
Once the Fake AV is downloaded into the user's computer, the software will scare them into believing their system is infected with threats that do not really exist, and then push users to purchase services to clean up the non-existent threats.
The Fake AntiVirus will continue to send these annoying and intrusive alerts until a payment is made.
312-50 dumps exhibit
What is the risk of installing Fake AntiVirus?

A. Victim's Operating System versions, services running and applications installed will be published on Blogs and Forums
B. Victim's personally identifiable information such as billing address and credit card details, may be extracted and exploited by the attacker
C. Once infected, the computer will be unable to boot and the Trojan will attempt to format the hard disk
D. Denial of Service attack will be launched against the infected computer crashing other machines on the connected network

Correct Answer:B

Question 3

- (Topic 17)
What does the this symbol mean?
312-50 dumps exhibit

A. Open Access Point
B. WPA Encrypted Access Point
C. WEP Encrypted Access Point
D. Closed Access Point

Correct Answer:A
This symbol is a “warchalking” symbol for a open node (open circle) with the SSID tsunami and the bandwidth 2.0 Mb/s

Question 4

- (Topic 14)
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 utilize this particular database threat that is an SQL injection technique to penetrate a target system
C. Jimmy can utilize an incorrect configuration that leads to access with higher-than- expected privilege of the database
D. Jimmy can gain control of system to flood the target system with requests, preventing legitimate users from gaining access

Correct Answer:B
SQL injection is a security vulnerability that occurs in the database layer of an application. The vulnerability is present when user input is either incorrectly filtered for string literal escape characters embedded in SQL statements or user input is not strongly typed and thereby unexpectedly executed. It is in fact an instance of a more general class of vulnerabilities that can occur whenever one programming or scripting language is embedded inside another.

Question 5

- (Topic 6)
Assuring two systems that are using IPSec to protect traffic over the internet, what type of general attack could compromise the data?

A. Spoof Attack
B. Smurf Attack
C. Man in the Middle Attack
D. Trojan Horse Attack
E. Back Orifice Attack

Correct Answer:DE
To compromise the data, the attack would need to be executed before the encryption takes place at either end of the tunnel. Trojan Horse and Back Orifice attacks both allow for potential data manipulation on host computers. In both cases, the data would be compromised either before encryption or after decryption, so IPsec is not preventing the attack.