Sample Questions and Answers
Which protocol is used to register Cisco IP Phones to Cisco Unified CM by default?
A) SCCP
B) SIP
C) H.323
D) MGCP
Answer: A) SCCP
Explanation: Skinny Call Control Protocol is Cisco’s proprietary protocol used for registration.
Which component of Cisco collaboration enables secure traversal of firewall and NAT for remote access?
A) Cisco Expressway
B) Cisco Unity Connection
C) Cisco Unified CM
D) Cisco Prime
Answer: A) Cisco Expressway
Explanation: Expressway enables secure remote access without VPN.
What type of dial plan digit manipulation allows transforming dialed numbers before routing?
A) Called Party Transformation
B) Calling Search Space
C) Partition
D) Route Group
Answer: A) Called Party Transformation
Explanation: This feature modifies dialed numbers for proper routing or display.
Which Cisco collaboration service provides instant messaging and presence across multiple platforms?
A) Cisco Unified CM IM and Presence Service
B) Cisco Unity Connection
C) Cisco Expressway
D) Cisco Prime
Answer: A) Cisco Unified CM IM and Presence Service
Explanation: This service manages chat, presence, and directory services.
Which Cisco Unified CM feature is used to assign specific media resources to devices?
A) Media Resource Group List (MRGL)
B) Device Pool
C) Route Group
D) Partition
Answer: A) Media Resource Group List (MRGL)
Explanation: MRGLs associate media resources like conferencing or transcoders with devices.
Which codec is best suited for low bandwidth with acceptable voice quality?
A) G.729
B) G.711
C) G.722
D) G.726
Answer: A) G.729
Explanation: G.729 compresses voice efficiently while maintaining intelligibility.
What type of Cisco Unified CM directory number is used to reach a hunt group?
A) Hunt Pilot
B) Route Pattern
C) Partition
D) Device Pool
Answer: A) Hunt Pilot
Explanation: Hunt Pilots distribute calls to a group of endpoints in a specific order.
Which Cisco feature enables a user to switch calls between devices registered to their user profile?
A) Cisco Extension Mobility
B) Device Pool
C) Route Group
D) Calling Search Space
Answer: A) Cisco Extension Mobility
Explanation: It allows users to log into different phones and access their settings and calls.
What is the default UDP port for SIP signaling in Cisco collaboration?
A) 5060
B) 5061
C) 1720
D) 2000
Answer: A) 5060
Explanation: Port 5060 is used for SIP over UDP; 5061 is for SIP over TLS.
What is the purpose of the Cisco Unified CM “Transcoder”?
A) To convert audio codecs to enable communication between devices using different codecs
B) To provide voicemail services
C) To register IP phones
D) To route calls externally
Answer: A) To convert audio codecs to enable communication between devices using different codecs
Explanation: Transcoders convert between codecs like G.711 and G.729.
How can Cisco Unified CM administrators view call detail records (CDRs) for analysis?
A) By enabling CDR logging and using Cisco Unified Reporting or third-party tools
B) Using Real-Time Monitoring Tool (RTMT) only
C) Through Cisco Prime Collaboration only
D) Cisco Unity Connection
Answer: A) By enabling CDR logging and using Cisco Unified Reporting or third-party tools
Explanation: CDRs provide detailed call data for troubleshooting and billing.
Which Cisco feature enables users to receive voicemail messages via email?
A) Unified Messaging in Cisco Unity Connection
B) Cisco Expressway
C) Cisco Unified CM Device Pool
D) Cisco Prime
Answer: A) Unified Messaging in Cisco Unity Connection
Explanation: Unified Messaging integrates voicemail with email systems.
Which Cisco collaboration service handles presence subscriptions and notifications?
A) Cisco Unified CM IM and Presence Service
B) Cisco Unity Connection
C) Cisco Expressway
D) Cisco Prime
Answer: A) Cisco Unified CM IM and Presence Service
Explanation: It manages real-time presence and subscriptions.
What feature in Cisco Unified CM allows flexible digit manipulation and routing?
A) Route Patterns
B) Calling Search Spaces
C) Device Pools
D) Partitions
Answer: A) Route Patterns
Explanation: Route Patterns define dialed digits and how calls are routed.
What is the Cisco collaboration protocol used for encrypted voice media?
A) Secure RTP (SRTP)
B) RTP
C) SIP
D) MGCP
Answer: A) Secure RTP (SRTP)
Explanation: SRTP encrypts audio streams to protect voice media.
Which Cisco Unified CM setting defines time zones and date/time formatting for devices?
A) Device Pool
B) Partition
C) Route Group
D) Calling Search Space
Answer: A) Device Pool
Explanation: Device Pools assign regional settings including time zones.
What Cisco tool is used to analyze and optimize voice quality metrics like jitter and packet loss?
A) Cisco Unified Communications Manager Real-Time Monitoring Tool (RTMT)
B) Cisco Prime Collaboration
C) Cisco Expressway
D) Cisco Unity Connection
Answer: A) Cisco Unified Communications Manager Real-Time Monitoring Tool (RTMT)
Explanation: RTMT includes voice quality monitoring for troubleshooting.
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