400-051 Exam - CCIE Collaboration

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Q1. Which statement about the iSAC on Cisco Unified Border Element is true? 

A. It is a narrow-band codec. 

B. It has a fixed frame of 30 milliseconds. 

C. It has an adaptive frame of up to 60 milliseconds. 

D. It is designed to deliver wideband sound quality in high-bit-rate applications only. 

E. It is not yet supported on the Cisco Unified Border Element (CUBE) 

F. It is not yet supported on Cisco Unified Border Element. 

Answer:

Q2. Refer to the exhibit. 

Which DTMF relay method is advertised when the originating SIP gateway sends an INVITE message with a Call-Info header shown? 

A. RFC 2833 

B. SIP INFO 

C. SIP NOTIFY 

D. SIP KPML 

E. In-band audio 

Answer:

Q3. To which Cisco enterprise medianet application class does Cisco TelePresence belong? 

A. VoIP Telephony 

B. Real-time Interactive 

C. Multimedia Conferencing 

D. Broadcast Video 

E. Low Latency Data 

Answer:

Q4. Refer to the exhibit.

Three calls are active on ephone 1. Assume ephone 2 will remain idle. 

How many additional calls can be placed from ephone 1? 

A. 0 

B. 1 

C. 2 

D. 3 

E. 5 

Answer:

Q5. Which statement describes how the digit zero is handled in the predefined restriction tables in Cisco Unity Connection? 

A. Zero is listed in the Default Out-Dial Restriction table. 

B. Zero is listed in the Default System Transfer Restriction table. 

C. Zero is listed in the Default Transfer Restriction table. 

D. Zero is listed in the User-Defined and Automatically Added Alternate Extensions Restriction table. 

E. Zero is not listed in any default restriction table configuration. 

Answer:

Q6. Refer to the exhibit. 

A user is going through a series of dialing steps on a SIP Type A IP phone to call a SCCP IP phone. Both phones are registered to the same Cisco Unified Communications Manager cluster. Assume that the calling SIP phone is not associated with any SIP dial rules. 

Which statement about how digits are forwarded to the Cisco Unified Communications Manager for further call processing is true? 

A. As each digit is pressed on the SIP IP phone, it is sent to the Cisco Unified Communications Manager in a SIP NOTIFY message as a KPML event. 

B. The SIP IP phone waits for the inter-digit timer expiry and then sends each digit to the Cisco Unified Communications Manager as a separate KPML event in a SIP NOTIFY message. 

C. The SIP IP phone waits for the inter-digit timer expiry or for the Dial soft key to be selected before it sends all digits to the Cisco Unified Communications Manager in a SIP INVITE message. 

D. The SIP IP phone waits for the inter-digit timer expiry, or for the Dial soft key to be selected before it sends the first digit in a SIP INVITE and the subsequent digits in SIP NOTIFY messages. 

E. The SIP IP phone sends all digits to the Cisco Unified Communications Manager in a SIP INVITE message as soon as the fourth digit is pressed. 

Answer:

Q7. In an effort to troubleshoot a caller ID delivery problem, a customer emailed you the voice port configuration on a Cisco IOS router. Which type of voice port is it? 

A. FXS 

B. E&M 

C. BRI 

D. FXO 

E. DID 

Answer:

Q8. Which option is a characteristic of the Enhanced Location Call Admission Control mechanism on Cisco Unified Communications Manager? 

A. It accounts for network protocol rerouting. 

B. It accounts for network downtime and failures. 

C. It supports dynamic bandwidth adjustments based on WAN topology changes. 

D. It supports asymmetric media flows such that different bit rates in each direction are deducted accordingly. 

E. Unidirectional media flows are deducted as if they were bidirectional. 

Answer:

Q9. Refer to the exhibit. 

You received this debug output to troubleshoot a Cisco IOS MGCP gateway problem at a customer site. What is the purpose of this message? 

A. The MGCP gateway uses this message to respond to an RQNT message from Cisco Unified Communications Manager. 

B. The MGCP gateway uses this message to respond to an AUCX message from Cisco Unified Communications Manager. 

C. The MGCP gateway uses this message to respond to an AUEP message from Cisco Unified Communications Manager. 

D. The MGCP gateway uses this message to respond to a DLCX message from Cisco Unified Communications Manager. 

E. The MGCP gateway uses this message to respond to an NTFY message from Cisco Unified Communications Manager. 

Answer:

Q10. Which statement about the effective path in the Enhanced Location Call Admission Control mechanism on Cisco Unified Communications Manager is true? 

A. It is a sequence of links and intermediate locations that connect a pair of locations. 

B. It is used to define the bandwidth that is available between locations. 

C. Only one effective path is used between two locations. 

D. There could be multiple effective paths between a pair of locations. 

E. It logically represents the WAN link. 

Answer: