單項(xiàng)選擇題Which one is the most important based on the following common elements of a network design？（）

A.Business needs
B.Risk analysis
C.Security policy
D.Best practices


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3.多項(xiàng)選擇題Observe the following options carefully， which two attacks focus on RSA？ （）

A.BPA attack
B.Adaptive chosen ciphertext attack
C.DDoS attack
D.Man-in-the-middle attack

4.單項(xiàng)選擇題What is the purpose of the secure boot-config global configuration ？（）

A.takes a snapshot of the router running configuration and securely archives it in persistent storage
B.stores a secured copy of the Cisco IOS image in its persistent storage
C.backs up the Cisco IOS image from flash to a TFTP server
D.enables Cisco IOS image resilience

5.多項(xiàng)選擇題With which three tasks does the IPS Policies Wizard help you？ （）

A.Selecting the interface to which the IPS rule will be applied
B.Selecting the Signature Definition File （SDF） that the router will use
C.Selecting the direction of traffic that will be inspected
D.Selecting the inspection policy that will be applied to the interface

6.多項(xiàng)選擇題Which three statements are valid SDM configuration wizards？ （）

A.NAT
B.VPN
C.STP
D.Security Audit

7.多項(xiàng)選擇題Which two ports are used with RADIUS authentication and authorization？（）

A.UDP port 1812
B.UDP port 2000
C.TCP port 2002
D.UDP port 1645

8.單項(xiàng)選擇題Which statement is not a reason for an organization to incorporate a SAN in its enterprise infrastructure？（）

A.To decrease both capital and operating expenses associated with data storage
B.To decrease the threat of viruses and worm attacks against data storage devices
C.To meet changing business priorities，applications，and revenue growth
D.To increase the performance of long-distance replication，backup，and recovery

9.單項(xiàng)選擇題Which statement is true about a certificate authority？（）

A.An entity responsible for registering the private key encryption used in a PKI
B.An agency responsible for granting and revoking public-private key pairs
C.A trusted third party responsible for signing the public keys of entities in a PKIbased system
D.A trusted third party responsible for signing the private keys of entities in a PKIbased system

10.多項(xiàng)選擇題What are four methods used by hackers？ （）

A.footprint analysis attack
B.privilege escalation attack
C.buffer Unicode attack
D.social engineering attack
E.front door attacks
F.Trojan horse attack