642-447 Dumps | CCNP VOICE | Cisco

Latest CCNP Voice 642-447 Real Exam Download Topic 11, CIPT2 6.0

September 22, 2013

Ensurepass

QUESTION 188

Which two methods can be used to challenge the identity of an IP phone from a Cisco Unified CallManager server? (Choose two.)

 

A.      digest authentication

B.      https

C.      PKI

D.      TLS

 

Answer: A,D 

 

 

QUESTION 189

At the very minimum which settings should be set on a Cisco ip phone that is placed in a public Space like a lobby? (Choose two)

 

A.      Enable GARP

B.      Disable Settings button on the IP phone

C.      Disable PC Port access

D.      disable PC voice VLAN access

E.       Disable Web access on the IP phone

 

Answer: B,C 

 

 

QUESTION 190

Which two qualities of PKI key exchange overcome asymmetric cryptography scalability issues? (Choose two.)

 

A.      the trusted introducer uses the signed certificates of the endpoints that need to communicate

B.      the introducer digitally signs the public key of the user with the public key of the introducer to generate a signed certificate

C.      only the public key of the introducer has to be initially known and verified by all other entities

D.      pki uses only a single trusted introducer

 

Answer: C,D 

 

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