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Information Technology Security Principles

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Information Technology Security Principles

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Questions and Answers

What is the purpose of a firewall in an information system facility?

To verify a user's identity with a string of characters

To secure the area surrounding the facility using locks and keys

To isolate sensitive portions of the facility from the outside world (correct)

To hinder physical access to the protected resource

Which type of firewall is considered complex and more advanced due to its combination of filter and proxy functions?

Stateful inspection (correct)

Packet filters(packet-level filters)

Choke or prevent gate filters

Proxy servers

What is the primary function of cryptography in information security?

To isolate the sensitive portions of the information system

To protect the communications channel from sniffers (correct)

To secure the area surrounding the facility using locks and keys

To verify a user's identity with a string of characters

What is the main purpose of physical security barriers in a facility?

To hinder access to a protected resource Signup and view all the answers

What is the purpose of authentication in information security controls?

To verify a user's identity with a string of characters Signup and view all the answers

Which principle of security aims to prevent unauthorized access of information to third parties?

Confidentiality Signup and view all the answers

What does physical security aim to prevent?

Unauthorized access to physical facilities Signup and view all the answers

Which mechanism assumes the intruder has succeeded or is in the process of gaining access to the system?

Detection Signup and view all the answers

What does information system security involve the prevention of?

Access to information by encryption Signup and view all the answers

Which principle of security aims to prevent unauthorized modification of files and maintain the status quo?

Integrity Signup and view all the answers