CCIE CCIE Collaboration 2

Question 1

What is the purpose of a Cisco Unity Connection hunt pilot in voicemail integration?

Accepted Answer

Routing calls to available voicemail ports for message recording

Answer

Unity Connection hunt pilots distribute calls across voicemail ports, ensuring incoming voicemail calls are directed to an available port for message recording.

Question 2

In Cisco CUCM, what is a Calling Search Space (CSS)?

Accepted Answer

An ordered list of partitions that defines which destinations a device can reach

Answer

A CSS is an ordered list of partitions assigned to devices or lines, determining which route patterns and directory numbers the device can call.

Question 3

Which Cisco QoS marking is recommended for voice RTP media traffic in enterprise UC deployments?

Accepted Answer

DSCP EF (46)

Answer

Voice RTP media is marked DSCP EF (Expedited Forwarding, decimal 46) to receive the lowest latency and jitter treatment in the QoS architecture.

Question 4

What does CAC (Call Admission Control) prevent in a Cisco UC deployment?

Accepted Answer

Over-subscription of WAN bandwidth by concurrent voice calls

Answer

CAC limits the number of concurrent calls over a WAN link to prevent voice quality degradation due to insufficient bandwidth.

Question 5

In a Cisco Unified Communications cluster, what is the purpose of the TFTP service?

Accepted Answer

Providing phone configuration files and firmware to IP phones

Answer

The TFTP service in CUCM delivers phone configuration XML files and firmware images to Cisco IP phones during registration and boot.

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CCIE CCIE Collaboration 2