Isaca CISA Quiz 169 Topic 9 Questions 841-845

Question: 1

When using public key encryption to secure data being transmitted across a network:

Aboth the key used to encrypt and decrypt the data are public.

Bthe key used to encrypt is private, but the key used to decrypt the data is public.

Cthe key used to encrypt is public, but the key used to decrypt the data is private.

Dboth the key used to encrypt and decrypt the data are private.

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Question: 2

The technique used to ensure security in virtual private networks (VPNs) is:

Aencapsulation.

Bwrapping.

Ctransform.

Dencryption.

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Question: 3

During an audit of a telecommunications system, an IS auditor finds that the risk of intercepting data transmitted to and from remote sites is very high. The MOST effective control for reducing this exposure is:

Aencryption.

Bcallback modems.

Cmessage authentication.

Ddedicated leased lines.

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Question: 4

An internet-based attack using password sniffing can:

Aenable one party to act as if they are another party.

Bcause modification to the contents of certain transactions.

Cbe used to gain access to systems containing proprietary information.

Dresult in major problems with billing systems and transaction processing agreements.

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Question: 5

Which of the following controls would be the MOST comprehensive in a remote access network with multiple and diverse subsystems?

AProxy server

BFirewall installation

CNetwork administrator

DPassword implementation and administration

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Isaca CISA Quiz:169 Topic:9 Questions:841-845