Cisco CCNA Security Exam Dumps For 210-260

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Question No. 1

Which standard is a hybrid protocol that uses Oakley and Skeme key exchanges in an ISAKMP framework?

Answer: D

The Oakley Key Determination Protocol is a key-agreement protocol that allows authenticated parties to exchange keying material across an insecure connection using the DiffieHellman key exchange algorithm.

The protocol was proposed by Hilarie K. Orman in 1998, and formed the basis for the more widely used Internet key exchange protocol


IKE (Internet Key Exchange)

A key management protocol standard that is used in conjunction with the IPSec standard. IPSec is an IP security feature that provides robust authentication and encryption of IP packets. IPSec can be configured without IKE, but IKE enhances IPSec by providing additional features, flexibility, and ease of configuration for the IPSec standard. IKE is a hybrid protocol that implements the Oakley key exchange and Skeme key exchange inside of the Internet Security Association and Key Management Protocol (ISAKMP) framework.

ISAKMP, Oakley, and Skeme are security protocols implemented by IKE Source: exchange

Question No. 2

What is the Cisco preferred countermeasure to mitigate CAM overflows?

Answer: B

Question No. 3

Which two attack types can be prevented with the implementation of a Cisco IPS solution?(Choose two.)

Answer: C, E

Question No. 4

Which feature allows a dynamic PAT pool to select the next address in the PAT pool instead of the next port of an existing address?

Answer: B

Question No. 5

Which two authentication types does OSPF support? (Choose two.)

Answer: A, B

Question No. 6

Refer to the exhibit.

Which statement about the given configuration is true?

Answer: A

tacacs-server host host-name [port integer] [timeout integer] [key string] [single-connection] [nat] The single-connection keyword specifies a single connection (only valid with CiscoSecure Release 1.0.1 or later). Rather than have the router open and close a TCP connection to the server each time it must communicate, the single-connection option maintains a single open connection between the router and the server. The single connection is more efficient because it allows the server to handle a higher number of TACACS operations.


Question No. 7

By default, how does a zone-based firewall handle traffic to and from the self zone?

Answer: A

Question No. 8

The command debug crypto isakmp results in ?

Answer: A

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