The Logical Link Control sub-layer is a part of which of the following?

• A.The ISO/OSI Data Link layer
• B.The Reference monitor
• C.The Transport layer of the TCP/IP stack model
• D.Change management control

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Because all the secret keys are held and authentication is performed on the Kerberos TGS and the authentication servers, these servers are vulnerable to:

• A.neither physical attacks nor attacks from malicious code.
• B.physical attacks only
• C.both physical attacks and attacks from malicious code.
• D.physical attacks but not attacks from malicious code.

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Remote Procedure Call (RPC) is a protocol that one program can use to request a service from a program located in another computer in a network. Within which OSI/ISO layer is RPC implemented?

• A.Session layer
• B.Transport layer
• C.Data link layer
• D.Network layer

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What layer of the OSI/ISO model does Point-to-point tunnelling protocol (PPTP) work at?

• A.Data link layer
• B.Transport layer
• C.Session layer
• D.Network layer

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After a company is out of an emergency state, what should be moved back to the original site first?

• A.Executives
• B.Least critical components
• C.IT support staff
• D.Most critical components

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