Sample Questions and Answers
What is the purpose of the Cisco TelePresence Management Suite (TMS) Quality Management feature?
A) To monitor call quality metrics and generate reports for troubleshooting.
B) To register endpoints.
C) To configure firewall rules.
D) To schedule firmware updates.
Answer: A) To monitor call quality metrics and generate reports for troubleshooting.
Explanation: TMS Quality Management provides insights into network performance.
What signaling protocol is used by Cisco endpoints in H.323 mode?
A) H.225 and H.245
B) SIP
C) MGCP
D) SCCP
Answer: A) H.225 and H.245
Explanation: H.225 handles call signaling, H.245 manages media negotiation.
What Cisco feature allows integration of video endpoints with Microsoft Skype for Business?
A) Cisco Expressway with Microsoft Interoperability
B) Cisco TMS
C) Cisco VCS Control
D) Cisco Unified CM
Answer: A) Cisco Expressway with Microsoft Interoperability
Explanation: Expressway enables protocol translation and federation.
How is content sharing secured in Cisco video conferences?
A) Using BFCP over TLS and SRTP encryption for media streams.
B) Using HTTP streaming.
C) By disabling encryption.
D) Using FTP.
Answer: A) Using BFCP over TLS and SRTP encryption for media streams.
Explanation: This ensures secure floor control and content media transport.
Which Cisco product is responsible for firmware management and provisioning of video endpoints?
A) Cisco TelePresence Management Suite (TMS)
B) Cisco Unified CM
C) Cisco Expressway-E
D) Cisco VCS Control
Answer: A) Cisco TelePresence Management Suite (TMS)
Explanation: TMS manages firmware distribution and device provisioning.
In Cisco Expressway architecture, what role does the Expressway-C serve when deployed alongside Expressway-E?
A) Manages firewall traversal and external access
B) Acts as a core call controller and endpoint registrar inside the network
C) Provides multipoint conferencing services
D) Functions as a video content server
Answer: B) Acts as a core call controller and endpoint registrar inside the network
Explanation: Expressway-C handles internal signaling, registration, and call control, while Expressway-E manages external traversal.
Which Cisco video endpoint feature allows seamless switching between Wi-Fi and cellular networks without dropping a call?
A) Intelligent Proximity
B) Cisco Video Mesh
C) Call Continuity
D) Media Bypass
Answer: C) Call Continuity
Explanation: Call Continuity allows endpoints to maintain calls while switching networks, ensuring seamless mobility.
What is the default behavior of Cisco Unified CM when an endpoint is unreachable during call signaling?
A) CUCM retries registration and attempts call redirection
B) CUCM immediately terminates the call
C) CUCM forwards the call to a voicemail server
D) CUCM triggers a network-wide reset
Answer: A) CUCM retries registration and attempts call redirection
Explanation: CUCM will try to reach the endpoint or redirect the call based on configured settings.
What Cisco Expressway feature enables secure traversal for mobile and remote users without requiring VPN?
A) Mobile and Remote Access (MRA)
B) Media Bypass
C) SIP Trunking
D) BFCP
Answer: A) Mobile and Remote Access (MRA)
Explanation: MRA uses Expressway to securely connect remote users without VPN.
Which of the following best describes the Cisco Video Mesh architecture?
A) Peer-to-peer video routing optimized for bandwidth and quality
B) Centralized MCU for multipoint calls
C) Proxy for SIP signaling
D) Registrar for H.323 endpoints
Answer: A) Peer-to-peer video routing optimized for bandwidth and quality
Explanation: Video Mesh enables optimized local media routing reducing latency and bandwidth.
What Cisco protocol is primarily responsible for signaling and call control in SIP-based video calls?
A) SIP (Session Initiation Protocol)
B) H.323
C) MGCP
D) RTP
Answer: A) SIP (Session Initiation Protocol)
Explanation: SIP is the primary signaling protocol for session establishment and control.
In a Cisco video environment, what purpose does the SIP OPTIONS message serve?
A) Endpoint health check and registration status verification
B) Establishing media streams
C) Encrypting data streams
D) Requesting call transfer
Answer: A) Endpoint health check and registration status verification
Explanation: SIP OPTIONS messages are used to check endpoint availability.
Which Cisco Unified CM feature can reduce call signaling latency by allowing endpoints to send media streams directly to each other?
A) Media Resource Group List (MRGL)
B) Media Bypass
C) Call Admission Control
D) Transcoding
Answer: B) Media Bypass
Explanation: Media Bypass allows media streams to flow directly, reducing latency and server load.
What is the primary function of the Cisco TelePresence Multipoint Control Unit (MCU)?
A) Mixing multiple video streams for multipoint conferencing
B) Registering SIP endpoints
C) Managing firewall traversal
D) Scheduling conferences
Answer: A) Mixing multiple video streams for multipoint conferencing
Explanation: The MCU mixes audio, video, and content streams from multiple participants.
Which Cisco endpoint type supports dual video streams for simultaneous presentation and video?
A) Cisco TelePresence MX Series
B) Cisco IP Phone 7800 Series
C) Cisco Unified Video Conferencing Station
D) Cisco Jabber on mobile devices
Answer: A) Cisco TelePresence MX Series
Explanation: MX series supports dual video for content and participant video streams.
How does Cisco Expressway enhance security during traversal through firewalls?
A) By establishing TLS tunnels between Expressway-C and Expressway-E
B) By disabling all firewall rules
C) Using FTP for media transport
D) Encrypting media with HTTPS
Answer: A) By establishing TLS tunnels between Expressway-C and Expressway-E
Explanation: TLS tunnels secure signaling and media between traversal zones.
What is the Cisco-recommended codec for high-quality voice and video in collaboration endpoints?
A) G.722 for audio and H.264 for video
B) G.711 for audio and H.263 for video
C) G.729 for audio and MPEG-2 for video
D) Opus for audio and VP8 for video
Answer: A) G.722 for audio and H.264 for video
Explanation: G.722 provides wideband audio quality; H.264 supports HD video compression.
Which Cisco video protocol allows endpoint discovery and signaling in a firewall-friendly manner?
A) SIP with ICE and STUN/TURN
B) FTP
C) Telnet
D) MGCP
Answer: A) SIP with ICE and STUN/TURN
Explanation: ICE, STUN, and TURN help establish media paths through NAT/firewalls.
Which Cisco feature provides integration between video endpoints and Microsoft Teams?
A) Cisco Expressway with Microsoft Teams Interoperability
B) Cisco TMS Scheduling
C) Cisco Unified CM Gatekeeper
D) Cisco Video Mesh
Answer: A) Cisco Expressway with Microsoft Teams Interoperability
Explanation: Expressway acts as a gateway enabling interoperability between Cisco and Microsoft platforms.
What is the role of the Cisco TelePresence Content Server in video collaboration?
A) Recording, storing, and streaming recorded video meetings
B) Scheduling calls
C) Firewall traversal
D) Codec negotiation
Answer: A) Recording, storing, and streaming recorded video meetings
Explanation: The Content Server captures meetings for on-demand playback.
How can bandwidth consumption be optimized during multipoint video conferences in Cisco deployments?
A) Using Cisco Video Mesh for direct peer media routing
B) Disabling video content sharing
C) Using only H.263 video codec
D) Increasing MCU resources
Answer: A) Using Cisco Video Mesh for direct peer media routing
Explanation: Video Mesh reduces unnecessary bandwidth use by localizing streams.
Which Cisco video endpoint setting controls the quality and bandwidth used for calls?
A) Video Call Rate
B) SIP Registration Timeout
C) DHCP Option 150
D) Call Admission Control
Answer: A) Video Call Rate
Explanation: The video call rate determines bitrate and resolution settings.
What type of signaling does Cisco VCS Control support for video endpoints?
A) Both SIP and H.323
B) SIP only
C) H.323 only
D) MGCP
Answer: A) Both SIP and H.323
Explanation: VCS Control supports both signaling protocols for diverse endpoint compatibility.
Which protocol does Cisco Jabber use for instant messaging and presence?
A) XMPP
B) SIP
C) H.323
D) MGCP
Answer: A) XMPP
Explanation: XMPP is used for presence and messaging in Jabber.
What Cisco component is responsible for managing licensing and provisioning of video endpoints?
A) Cisco Unified Communications Manager (CUCM)
B) Cisco Expressway-E
C) Cisco VCS Control
D) Cisco TelePresence Management Suite (TMS)
Answer: D) Cisco TelePresence Management Suite (TMS)
Explanation: TMS handles provisioning, firmware updates, and license management.
How does Cisco Expressway handle signaling traffic from external endpoints?
A) Terminate and inspect signaling, then forward internally via traversal zone
B) Directly forward to endpoints without inspection
C) Block all external signaling by default
D) Forward via FTP
Answer: A) Terminate and inspect signaling, then forward internally via traversal zone
Explanation: Expressway-E securely proxies signaling to Expressway-C.
Which video conference feature provides support for sharing high-resolution content during calls?
A) Dual Video Streams
B) Single Video Stream
C) Audio-Only Mode
D) Content Compression
Answer: A) Dual Video Streams
Explanation: Allows simultaneous sharing of content and video.
Which Cisco technology allows for policy enforcement and bandwidth management on video calls?
A) Call Admission Control (CAC)
B) Media Bypass
C) BFCP
D) DHCP Option 150
Answer: A) Call Admission Control (CAC)
Explanation: CAC manages network bandwidth and restricts calls when resources are low.
What is the purpose of Cisco BFCP in a video conference?
A) To manage floor control for content sharing
B) To encrypt signaling
C) To handle SIP registration
D) To transcode media streams
Answer: A) To manage floor control for content sharing
Explanation: BFCP ensures orderly control over who can send content during meetings.
What is the main advantage of using SRTP in Cisco video deployments?
A) Encryption of media streams for security
B) Faster call setup
C) Reduced CPU usage
D) Compatibility with older codecs
Answer: A) Encryption of media streams for security
Explanation: SRTP secures audio and video streams from interception.
Which Cisco device is primarily responsible for enabling multi-party video calls?
A) Cisco TelePresence MCU
B) Cisco Expressway-E
C) Cisco Unified CM
D) Cisco Jabber
Answer: A) Cisco TelePresence MCU
Explanation: The MCU mixes streams for multipoint conferencing.
Which Cisco product provides detailed call diagnostics including jitter, latency, and packet loss?
A) Cisco TMS Quality Management
B) Cisco Expressway-E
C) Cisco VCS Control
D) Cisco Unified CM
Answer: A) Cisco TMS Quality Management
Explanation: It collects QoS metrics for call troubleshooting.
What Cisco feature enables endpoint auto-provisioning and firmware upgrades?
A) Cisco TMS Provisioning
B) Expressway-C
C) VCS Control
D) Unified CM
Answer: A) Cisco TMS Provisioning
Explanation: TMS automates configuration and firmware distribution.
Which Cisco codec is designed for low bandwidth video calls?
A) H.263
B) H.264 High Profile
C) G.722
D) Opus
Answer: A) H.263
Explanation: H.263 is optimized for low bandwidth video applications.
How does Cisco Expressway help with NAT traversal?
A) Acts as a traversal server to enable media and signaling to cross NAT boundaries
B) Disables NAT on endpoints
C) Uses FTP tunneling
D) Converts protocols from SIP to H.323
Answer: A) Acts as a traversal server to enable media and signaling to cross NAT boundaries
Explanation: Expressway handles NAT traversal for secure external calls.
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