Free Cisco 500-007 Exam Practice Questions & Explanations
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During initial setup of a Cisco TelePresence C60 codec, the installer needs to verify camera control and confirm the codec can pan, tilt, and zoom the main camera correctly using the remote control before deploying it into a live conference room. Which interface on the C60 codec is used to connect and control the main PrecisionHD camera?
The C60 codec connects to its PrecisionHD main camera using a dedicated camera cable that carries both HD video and camera control signaling (based on VISCA protocol) over a single connection, enabling pan, tilt, and zoom control directly from the codec and its remote control. Option A is incorrect because RS-232 is used for other peripheral integrations, not the primary camera connection by default. Option C is incorrect because HDMI output ports are used for displays, not cameras. Option D is incorrect because PTZ control for the main camera is handled through the dedicated camera cable, not IP by default.
A company has deployed a Cisco TelePresence 5300 Multipoint Control Unit (MCU) to host multipoint video conferences for up to 20 participants across various endpoint types, including some legacy H.323 endpoints that only support CIF resolution. During a live conference, several participants report poor video quality on their screens while other higher-end endpoints are unaffected. What is the most likely explanation for this behavior on the Cisco 5300 MCU?
The Cisco TelePresence 5300 MCU performs per-participant transcoding, meaning each endpoint receives an individually optimized video stream based on its negotiated capabilities, bandwidth, and resolution support. This explains why lower-capability legacy endpoints may experience different video quality than higher-end endpoints in the same conference, since the MCU is not forcing a single common resolution for all participants (ruling out A and C). Option D is incorrect because the 5300 MCU explicitly supports legacy H.323 endpoints. Option E is irrelevant since CIF support is a standard baseline capability, not something requiring a firmware downgrade.
A Cisco TelePresence VCS Expressway is deployed in the DMZ to allow external endpoints to register and to enable business-to-business calling without requiring a VPN. During installation, the engineer configures the VCS Expressway with a public IP address and opens the required firewall ports for SIP and H.323 traversal traffic. Is it true that the VCS Expressway must always be paired with a VCS Control via a traversal zone in order to support any external endpoint registrations?
This statement is false. The VCS Expressway can independently support external endpoint registrations directly on itself without requiring a traversal zone to a VCS Control, especially in deployments where the Expressway is used solely as an edge registrar for remote endpoints. A traversal zone to a VCS Control is required specifically when internal endpoints registered to the VCS Control need firewall traversal support for external calls, not as a universal prerequisite for any external registration scenario.
An administrator is configuring a Cisco TelePresence VCS Control to register endpoints within the local domain and to route calls to a VCS Expressway for business-to-business calls with external organizations. The administrator needs to ensure that the VCS Control and VCS Expressway can securely exchange call signaling and firewall traversal information. Which component must be configured between the two VCS systems to accomplish this?
Firewall traversal between a VCS Control and a VCS Expressway requires a traversal zone, with the VCS Control acting as the traversal client and the VCS Expressway acting as the traversal server. This allows secure signaling and media traversal across the firewall using assent or H.460 protocols. A neighbor zone (A) is used for non-traversal peer relationships and does not provide firewall traversal capability. A DNS zone (C) is used for routing calls to external domains via DNS lookup, not for traversal. A local zone (D) is used to represent locally registered endpoints within a single VCS, not for inter-VCS traversal.
A network engineer is installing a Cisco TelePresence C90 codec in a new boardroom. The customer wants to connect a document camera and a laptop simultaneously as secondary video sources, in addition to the main camera. Which interface should be used to connect these additional video sources to the C90 codec?
The C90 codec provides dedicated auxiliary video inputs (in addition to the main camera input) specifically designed to accept additional HD video sources such as document cameras, laptops, or secondary cameras. Option A is incorrect because the main camera DVI-I input is reserved for the primary camera. Option C is incorrect because audio inputs cannot carry video signals. Option D is incorrect because auxiliary inputs are a native hardware feature and do not require an external converter.