QUESTION 11
Which option describes a function of SIP preconditions?
|
A. |
SIP preconditions enable end-to-end RSVP over an SIP trunk. |
|
B. |
SIP preconditions enable RSVP between Cisco IP Phones. |
|
C. |
SIP preconditions can be enabled in a gatekeeper. |
|
D. |
SIP preconditions enable end-to-end RSVP for calls through the PSTN. |
Correct Answer: A
QUESTION 12
Which statement about the function of a gatekeeper is true?
|
A. |
A gatekeeper improves call routing between servers within a single Cisco Unified Communications Manager cluster. |
|
B. |
A gatekeeper can replace the dial plan of a Cisco Unified Communications Manager cluster. |
|
C. |
A gatekeeper can simplify the dial plan between many different Cisco Unified Communications Manager clusters. |
|
D. |
Gatekeepers can be implemented to deploy RSVP-based CAC. |
Correct Answer: C
QUESTION 13
For which VoIP protocol does a gatekeeper provide address translation and control access?
|
A. |
H.323 |
|
B. |
SIP |
|
C. |
Skinny |
|
D. |
H.248 |
Correct Answer: A
QUESTION 14
Which CAC configuration on a gatekeeper restricts to 10 G.711 audio calls?
|
A. |
Use the command bandwidth 10. |
|
B. |
Use the command bandwidth 1280. |
|
C. |
Use the command bandwidth 160. |
|
D. |
Use the command bandwidth session 10. |
Correct Answer: B
QUESTION 15
If the device pool in the phone record does not match the device pools in the matching subnet, what will the system consider the phone to be?
|
A. |
roaming |
|
B. |
unregistered |
|
C. |
unknown |
|
D. |
new device |
Correct Answer: A
QUESTION 16
What user profile is used to define the settings for a user on login?
|
A. |
Device Profile |
|
B. |
Group Profile |
|
C. |
Pool Profile |
|
D. |
Specific Profile |
Correct Answer: A
QUESTION 17
Which statement about technology implementation strategy is true?
|
A. |
Cisco Unified Communications Manager Express can be configured to function with no Cisco Unified Communications Manager cluster in the enterprise. |
|
B. |
Cisco Unified Communications Manager Express in SRST mode can be configured to function with no Cisco Unified Communications Manager cluster in the enterprise. |
|
C. |
SRST can be configured to function with no Cisco Unified Communications Manager cluster in the enterprise. |
|
D. |
SRST and MGCP fallback can be configured to function with no Cisco Unified Communications Manager cluster in the enterprise. |
Correct Answer: A
QUESTION 18
Which commands are needed to configure Cisco Unified Communications Manager Express in SRST mode?
|
A. |
telephony-service and srst mode |
|
B. |
telephony-service and moh |
|
C. |
call-manager-fallback and srst mode |
|
D. |
call-manager-fallback and voice-translation |
Correct Answer: A
QUESTION 19
What command is used to map internal extensions to the corresponding E.164 PSTN number when using Cisco Unified Communications Manager Express in SRST mode?
|
A. |
ephone-dn |
|
B. |
dialplan-pattern |
|
C. |
number |
|
D. |
number-e.164 |
|
E. |
ephone-transnumber |
Correct Answer: B
QUESTION 20
Which statement about enrollment in the IP telephony PKI is true? (Source. Understanding Cisco IP Telephony Authentication and Encryption Fundamentals)
|
A. |
CAPF enrollment supports the use of authentication strings. |
|
B. |
The CAPF itself has to enroll with the Cisco CTL client. |
|
C. |
LSCs are issued by the Cisco CTL client or by the CAPF. |
|
D. |
MICs are issued by the CAPF itself or by an external CA. |
Correct Answer: A
Explanation:
Incorrect answer: B, C, D
The CAPF enrollment process is as follows:
1. The IP phone generates its public and private key pairs.
2. The IP phone downloads the certicate of the CAPF and uses it to establish a TLS session with the CAPF.
3. The IP phone enrolls with the CAPF, sending its identity, its public key, and an optional authentication string.
4. The CAPF issues a certicate for the IP phone signed with its private key.
5. The CAPF sends the signed certicate to the IP phone.
Link: http://my.safaribooksonline.com/book/certification/cipt/9781587052613/understanding-cisco- ip-telephony-authentication-and-encryption-fundamentals/584.
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