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Pass 312-50v11 Exam Guide

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Question 124

This is an attack that takes advantage of a web site vulnerability in which the site displays content that includes un-sanitized user-provided data.

What is this attack?

Options:

A.

Cross-site-scripting attack

B.

SQL Injection

C.

URL Traversal attack

D.

Buffer Overflow attack

Question 125

CyberTech Inc. recently experienced SQL injection attacks on its official website. The company appointed Bob, a security professional, to build and incorporate defensive strategies against such attacks. Bob adopted a practice whereby only a list of entities such as the data type, range, size, and value, which have been approved for secured access, is accepted. What is the defensive technique employed by Bob in the above scenario?

Options:

A.

Output encoding

B.

Enforce least privileges

C.

Whitelist validation

D.

Blacklist validation

Question 126

How does a denial-of-service attack work?

Options:

A.

A hacker prevents a legitimate user (or group of users) from accessing a service

B.

A hacker uses every character, word, or letter he or she can think of to defeat authentication

C.

A hacker tries to decipher a password by using a system, which subsequently crashes the network

D.

A hacker attempts to imitate a legitimate user by confusing a computer or even another person

Question 127

Chandler works as a pen-tester in an IT-firm in New York. As a part of detecting viruses in the systems, he uses a detection method where the anti-virus executes the malicious codes on a virtual machine to simulate CPU and memory activities. Which type of virus detection method did Chandler use in this context?

Options:

A.

Heuristic Analysis

B.

Code Emulation

C.

Scanning

D.

Integrity checking

Page: 31 / 39
Exam Code: 312-50v11
Exam Name: Certified Ethical Hacker Exam (CEH v11)
Last Update: Dec 22, 2024
Questions: 528
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