What should a network administrator perform to execute/test the untrusted or untested programs or code from untrusted or unverified third-parties without risking the host system or OS?

• A.Application Whitelisting
• B.Application Blacklisting
• C.Deployment of WAFs
• D.Application Sandboxing

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Which of the following IEEE standards is an example of a DQDB access method?

• A.802.3
• B.802.5
• C.802.6
• D.802.4

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Which of the following IP class addresses are not allotted to hosts? Each correct answer represents a complete solution. Choose all that apply.

• A.Class C
• B.Class D
• C.Class A
• D.Class B
• E.Class E

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John wants to implement a firewall service that works at the session layer of the OSI model. The firewall must also have the ability to hide the private network information. Which type of firewall service is John thinking of implementing?

• A.Application level gateway
• B.Stateful Multilayer Inspection
• C.Circuit level gateway
• D.Packet Filtering

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In which of the following transmission modes is communication bi-directional?

• A.Simplex mode
• B.Full-duplex mode
• C.Half-duplex mode
• D.Root mode

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