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Testking CCIE 350-024

CCIE SP IP Telephony Qualification Exam : 350-024 Exam
QUESTION 1
When troubleshooting an IOS Voice Gateway, what command will produce detailed information (codec, ERL, tx/rx packets, dial peers, etc) on currently active calls?

A. show voice call active B. show call active voice C. show voice port
D. show voice call

Answer: B

QUESTION 2
When troubleshooting a FailSafe problem in Unity, the first place you should look for detailed error messages is the:

A. tempu.log
B. System Log
C. Application Log
D. SDL Trace
E. Status Monitor

Answer: C

QUESTION 3
In order to pass hook-flash on h.323 from FXS to FXO:

A. connection plar must be configured on the voice-port (FXS)
B. connection plar must be configured on the voice-port (FXS) and (FXO) C. connection trunk must be configured on the voice-port (FXS)
D. connection trunk must be configured on the voice-port (FXS) and (FXO) E. None of the above

Answer: E

QUESTION 4
What type of signaling provides Dialed Number Information Service (DNIS) on a
T1/E1?

A. E&M
B. Loop Start
C. Ground start
D. All of the above

Answer: D

350-024

QUESTION 5
When Direct Inward Dial is used on a POTS dial peer and an incoming POTS call enters the router: (multiple answer)

A. The number that is dialing (ANI) automatically becomes the destination-pattern number for the IP destination.
B. The number that is dialed (DNIS) automatically becomes the destination-pattern number for the IP destination.
C. The number that is dialing (ANI) automatically becomes the destination-pattern number for the telephony destination.
D. The number that is dialed (DNIS) automatically becomes the destination-pattern number for the telephony destination.
E. The number that is dialed (DNIS) & the number that is dialing (ANI) automatically becomes the destination-pattern number for the IP & telephony destination.

Answer: B,D

QUESTION 6
What does the term “MGCP backhaul” mean?

A. Encapsulating ISDN Q.931 CDR records to a RADIUS server
B. Translating ISDN Q.931 messaging into MGCP events to the MGCP Call Agent
C. Transporting ISDN Q.921 messaging across IP to the MGCP Call Agent
D. Transporting ISDN Q.931 messaging across IP to the MGCP Call Agent
E. Transporting T1 CAS messaging across IP to the MGCP Call Agent

Answer: D

QUESTION 7
What statement is an attribute of ISDN Non-Facility Associated Signaling (NFAS)?

A. Single D-channel controls B-channels on the same T1 span, as well on other
T1-spans.
B. Single T1 span can be split into two “trunk groups”, each with its own dedicated
D-channel.
C. Is available on both T1 and E1 PRIs.
D. Enables the D-channel to transmit “data” information unrelated to any voice call, such as inter-switch status updates.
E. Applicable to voice calls on PRI only, but not to data PRI calls. Answer: A
QUESTION 8
The IOS GWs support ECMA QSIG. CM, in MGCP Call Agent mode, supports
ISO QSIG. What implications does this have on an IP telephony network?

350-024

A. None, the ISO standard is a superset of the ECMA standard.
B. None, as long as the IOS GW remains in contact with the CM at all times.
C. During MGCP GW Fallback, no calls to the attached QSIG PBX will work.
D. During MGCP GW Fallback, basic calls to the attached QSIG PBX will work.
E. During MGCP GW Fallback, all call functionality to the attached QSIG PBX will work.

Answer: B,D

QUESTION 9
The terms “Wink start”, “Delay start” and “Immediate start” are applicable to:

A. Analog E&M Signaling B. T1 CAS E&M signaling C. E1 CAS E&M Signaling D. Analog DID Signaling
E. All of the above

Answer: E

QUESTION 10
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