AS CS Unit 05 & 06

State one difference and one similarity between pharming and phishing

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OFF

Describe how a firewall protects the data on the computer.

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Describe the difference between the security and privacy of data.

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Identify one other software-based measure that could be used to restrict the access to the data on the computers. ( expect username & password )

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OFF

Give two similarities and one difference between spyware and a virus.

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OFF

Describe how data validation and data verification help protect the integrity of data.

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OFF

Describe how data verification help protect the integrity of data.

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OFF

A checksum can be used to detect errors during data transmission.

Describe how a checksum is used.

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Describe how a parity block check can identify a bit that has been corrupted during

transmission.

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Each of the following algorithms performs data validation.

State the type of validation check that each of the algorithms performs.

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OFF