單項選擇題Refer to the exhibit. Which statement is correct based on the show login command output shown?()

A.When the router goes into quiet mode, any host is permitted to access the router via Telnet,SSH, and HTTP,since the quiet-mode access list has not been configured.
B.The login block-for command is configured to block login hosts for 93 seconds.
C.All logins from any sources are blocked for another 193 seconds.
D.Three or more login requests have failed within the last 100 seconds.


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1.單項選擇題During role-based CLI configuration, what must be enabled before any user views can be created?()

A.multiple privilege levels
B.usernames and passwords
C.aaa new-model command
D.secret password for the root user
E.HTTP and/or HTTPS server

2.單項選擇題

Please choose the correct description about Cisco Self-Defending Network characteristics.()

A.INTEGRATED - P4S2,COLLABORATIVE - P4S1ADAPTIVE - P4S3
B.INTEGRATED - P4S1,COLLABORATIVE - P4S2ADAPTIVE - P4S3
C.INTEGRATED - P4S3,COLLABORATIVE - P4S2ADAPTIVE - P4S1
D.INTEGRATED - P4S2,COLLABORATIVE - P4S3ADAPTIVE - P4S1

3.單項選擇題Which key method is used to detect and prevent attacks by use of IDS and/or IPS technologies?()

A.Signature-based detection
B.Anomaly-based detection
C.Honey pot detection
D.Policy-based detection

4.單項選擇題Which one of the aaa accounting commands can be used to enable logging of both the start and stoprecords for user terminal sessions on the router?()

A.aaa accounting connection start-stop tacacs+
B.aaa accounting exec start-stop tacacs+
C.aaa accounting system start-stop tacacs+
D.aaa accounting network start-stop tacacs+

5.單項選擇題

Which statement is correct regarding the aaa configurations based on the exhibit provided?()

A.The authentication method list used by the vty port is named test.
B.If the TACACS+ AAA server is not available, no users will be able to establish a Telnet session with the router.
C.If the TACACS+ AAA server is not available, console access to the router can be authenticated using the local database.
D.The authentication method list used by the console port is named test.

6.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.

8.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

10.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

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