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Ethical Hacking and Countermeasures Questions and Answers

Question 45

A network security administrator is worried about potential man-in-the-middle attacks when users access a corporate web site from their workstations. Which of the following is the best remediation against this type of attack?

Options:

A.

Implementing server-side PKI certificates for all connections

B.

Mandating only client-side PKI certificates for all connections

C.

Requiring client and server PKI certificates for all connections

D.

Requiring strong authentication for all DNS queries

Question 46

Which of the following is a primary service of the U.S. Computer Security Incident Response Team (CSIRT)?

Options:

A.

CSIRT provides an incident response service to enable a reliable and trusted single point of contact for reporting computer security incidents worldwide.

B.

CSIRT provides a computer security surveillance service to supply a government with important intelligence information on individuals travelling abroad.

C.

CSIRT provides a penetration testing service to support exception reporting on incidents worldwide by individuals and multi-national corporations.

D.

CSIRT provides a vulnerability assessment service to assist law enforcement agencies with profiling an individual's property or company's asset.

Question 47

What is the primary drawback to using advanced encryption standard (AES) algorithm with a 256 bit key to share sensitive data?

Options:

A.

Due to the key size, the time it will take to encrypt and decrypt the message hinders efficient communication.

B.

To get messaging programs to function with this algorithm requires complex configurations.

C.

It has been proven to be a weak cipher; therefore, should not be trusted to protect sensitive data.

D.

It is a symmetric key algorithm, meaning each recipient must receive the key through a different channel than the message.

Question 48

Which of the following network attacks relies on sending an abnormally large packet size that exceeds TCP/IP specifications?

Options:

A.

Ping of death

B.

SYN flooding

C.

TCP hijacking

D.

Smurf attack

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Total 765 questions