單項選擇題When configuring role-based CLI on a Cisco router,which action will be taken first ?()

A.Create a parser view called "root view."
B.Log in to the router as the root user.
C.Enable the root view on the router.
D.Enable role-based CLI globally on the router using the privileged EXEC mode Cisco IOS command.


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2.多項選擇題Which three are distinctions between asymmetric and symmetric algorithms? ()

A.Only symmetric algorithms have a key exchange technology built in
B.Asymmetric algorithms are used quite often as key exchange protocols for symmetricalgorithms
C.Only asymmetric algorithms have a key exchange technology built in
D.Asymmetric algorithms are based on more complex mathematical computations

4.單項選擇題Which method is of gaining access to a system that bypasses normal security measures?()

A.Starting a Smurf attack
B.Conducting social engineering
C.Creating a back door
D.Launching a DoS attack

5.單項選擇題Which option ensures that data is not modified in transit?()

A.Authorization
B.Confidentiality
C.Authentication
D.Integrity