Which two ports are used with RADIUS authentication and authorization？（）

单项选择题WhichstatementisnotareasonforanorganizationtoincorporateaSANinitsenterpriseinfrastructure？（）

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

单项选择题Whichstatementistrueaboutacertificateauthority？（）

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

多项选择题Whatarefourmethodsusedbyhackers？（）

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

单项选择题WhichresultisofsecuringtheCiscoIOSimagebyuseoftheCiscoIOSimageresiliencefeature？（）

A.The Cisco IOS image file will not be visible in the output from the show flash command.
B.The show version command will not show the Cisco IOS image file location.
C.When the router boots up， the Cisco IOS image will be loaded from a secured FTP location.
D.The running Cisco IOS image will be encrypted and then automatically backed up to a TFTP server.

单项选择题YouareanetworktechnicianatCertpaper.com.Whichdescriptioniscorrectwhenyouhavegenerated RSAkeysonyourCiscoroutertoprepareforsecuredevicemanagement？（）

A.You must then specify the general-purpose key size used for authentication with the crypto key generaters a general-keys modulus command.
B.You must then zeroize the keys to reset secure shell before configuring other parameters.
C.All vty ports are automatically enabled for SSH to provide secure management.
D.The SSH protocol is automatically enabled.