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GAQM
Information Systems Security
CPEH-001
Certified Professional Ethical Hacker (CPEH) Questions and Answers

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Viewing page 12 out of 15 pages

Viewing questions 166-180 out of questions

Questions # 166:

A certified ethical hacker (CEH) is approached by a friend who believes her husband is cheating. She offers to pay to break into her husband's email account in order to find proof so she can take him to court. What is the ethical response?

Options:

Say no; the friend is not the owner of the account.

Say yes; the friend needs help to gather evidence.

Say yes; do the job for free.

Say no; make sure that the friend knows the risk she’s asking the CEH to take.

Answer

Questions # 167:

Which of the following is optimized for confidential communications, such as bidirectional voice and video?

Options:

RC4

RC5

MD4

MD5

Answer

Questions # 168:

Some passwords are stored using specialized encryption algorithms known as hashes. Why is this an appropriate method?

Options:

It is impossible to crack hashed user passwords unless the key used to encrypt them is obtained.

If a user forgets the password, it can be easily retrieved using the hash key stored by administrators.

Hashing is faster compared to more traditional encryption algorithms.

Passwords stored using hashes are non-reversible, making finding the password much more difficult.

Answer

Questions # 169:

The fundamental difference between symmetric and asymmetric key cryptographic systems is that symmetric key cryptography uses which of the following?

Options:

Multiple keys for non-repudiation of bulk data

Different keys on both ends of the transport medium

Bulk encryption for data transmission over fiber

The same key on each end of the transmission medium

Answer

Questions # 170:

Which of the following can take an arbitrary length of input and produce a message digest output of 160 bit?

Options:

SHA-1

MD5

HAVAL

MD4

Answer

Questions # 171:

Which vital role does the U.S. Computer Security Incident Response Team (CSIRT) provide?

Options:

Incident response services to any user, company, government agency, or organization in partnership with the Department of Homeland Security

Maintenance of the nation’s Internet infrastructure, builds out new Internet infrastructure, and decommissions old Internet infrastructure

Registration of critical penetration testing for the Department of Homeland Security and public and private sectors

Measurement of key vulnerability assessments on behalf of the Department of Defense (DOD) and State Department, as well as private sectors

Answer

Questions # 172:

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

Options:

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

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

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

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

Answer

Questions # 173:

SOAP services use which technology to format information?

Options:

SATA

PCI

XML

ISDN

Answer

Questions # 174:

A Certificate Authority (CA) generates a key pair that will be used for encryption and decryption of email. The integrity of the encrypted email is dependent on the security of which of the following?

Options:

Public key

Private key

Modulus length

Email server certificate

Answer

Questions # 175:

Which of the following descriptions is true about a static NAT?

Options:

A static NAT uses a many-to-many mapping.

A static NAT uses a one-to-many mapping.

A static NAT uses a many-to-one mapping.

A static NAT uses a one-to-one mapping.

Answer

Questions # 176:

If a tester is attempting to ping a target that exists but receives no response or a response that states the destination is unreachable, ICMP may be disabled and the network may be using TCP. Which other option could the tester use to get a response from a host using TCP?

Options:

Hping

Traceroute

TCP ping

Broadcast ping

Answer

Questions # 177:

In the OSI model, where does PPTP encryption take place?

Options:

Transport layer

Application layer

Data link layer

Network layer

Answer

Questions # 178:

A computer technician is using a new version of a word processing software package when it is discovered that a special sequence of characters causes the entire computer to crash. The technician researches the bug and discovers that no one else experienced the problem. What is the appropriate next step?