CCIE CCIE Collaboration

Question 1

Which Cisco platform serves as the primary call processing engine in a Cisco Unified Communications deployment?

Accepted Answer

Cisco Unified Communications Manager (CUCM)

Answer

Cisco Unity Connection

Answer

Cisco Expressway

Answer

Cisco Webex Calling

Question 2

What protocol does Cisco Unified IP Phones primarily use to register with CUCM in modern deployments?

Accepted Answer

SIP

Answer

H.323

Answer

MGCP

Answer

SCCP (Skinny)

Question 3

In Cisco UC, what is the function of a Route Pattern?

Accepted Answer

Matching dialed digits and determining call routing actions

Answer

Defining codec preferences

Answer

Configuring voicemail integration

Answer

Managing phone firmware

Question 4

Which codec provides toll-quality voice at 64 kbps and is used as the baseline for voice quality in PSTN?

Accepted Answer

G.711

Answer

G.729

Answer

G.722

Answer

Opus

Question 5

What is the purpose of Cisco Expressway in a UC deployment?

Accepted Answer

Firewall traversal for SIP/H.323 calls and Mobile Remote Access (MRA)

Answer

Internal call processing

Answer

Voicemail storage

Answer

Conference bridge

Question 6

In SIP, which message type is used to initiate a call session?

Accepted Answer

INVITE

Answer

REGISTER

Answer

OPTIONS

Answer

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