Cisco 300-075 Online Practice Questions and Exam Preparation

Cisco 300-075 Online Questions & Answers

• Question 441:

  Which design recommendation is valid when configuring Call Admission Control for a simple MPLS or hub-and-spoke network in Cisco Unified Communications Manager?

  A. Configure each site with as its own location and then configure a single link from each location to the Hub_None location.
  B. Configure all sites as part of a single enterprise location, usually called Hub_None.
  C. Configure each site as its own location and then configure a single link from each location to the shadow location.
  D. Configure each site as its own location and then configure a link to each of the other locations, thus creating a virtual mesh.
  A. Configure each site with as its own location and then configure a single link from each location to the Hub_None location.

• Question 442:

  Where do you go to configure restrictions on audio bandwidth?

  A. location
  B. partition
  C. region
  D. enterprise parameters
  E. serviceability
  A. location

• Question 443:

  For which two reasons should you mark AF41 as the audio and video channels of a video call? (Choose two.)

  A. to allow high-definition quality calls over low-speed links
  B. to give video calls a higher priority than AF41 in the QoS policy
  C. to provide separate classes for audio-only calls and video calls
  D. to prioritize video over other high-priority traffic classes
  E. to preserve lip synchronization between the audio and video channels
  D. to prioritize video over other high-priority traffic classes
  E. to preserve lip synchronization between the audio and video channels

• Question 444:

  Which two Cisco Unified Communications Manager configuration sections are used to configure the media DSCP values for video calls? (Choose two.)

  A. SIP Profile Configuration
  B. Enterprise Parameters Configuration
  C. Location Configuration
  D. Service Parameters Configuration
  E. Region Configuration
  A. SIP Profile Configuration
  D. Service Parameters Configuration

• Question 445:

  An engineer is setting up a Cisco VCS Cluster with SIP endpoints only. While configuring the Cisco VCS peers, which signaling protocol is used between peers to determine the best route for calls?

  A. SIP
  B. H.323
  C. SCCP
  D. MGCP
  B. H.323

• Question 446:

  Which option describes a function of SIP preconditions?

  A. SIP preconditions enable end-to-end RSVP over an SIP trunk.
  B. SIP preconditions enable RSVP between Cisco IP Phones.
  C. SIP preconditions can be enabled in a gatekeeper.
  D. SIP preconditions enable end-to-end RSVP for calls through the PSTN.
  A. SIP preconditions enable end-to-end RSVP over an SIP trunk.

• Question 447:

  Which service, when correctly configured in Enterprise Parameters, permits the phone configuration files to be encrypted?

  A. Cisco Unified Communications Manager Service
  B. Cisco IP Voice Media Streaming App Service
  C. Cisco CTIManager Service
  D. Cisco TFTP Service
  E. Cisco CTL Client Service
  D. Cisco TFTP Service

• Question 448:

  You have deployed a Cisco 2821 ISR to perform as an SRST voice gateway at a remote site. During a network failure between the remote site and the central office, some of the phones located at the remote site are unable to make phone calls. Which two options are potential causes of the problem? (Choose two.)

  A. The site has exceeded the number of SRST endpoints supported by the voice gateway.
  B. The ccm-manager fallback command is configured incorrectly on the voice gateway.
  C. Phones at the remote site are assigned to the incorrect device pool.
  D. The ccm-manager fallback-mgcp command is configured incorrectly on the voice gateway.
  E. The site has exceeded the number of simultaneous calls allowed in SRST mode.
  A. The site has exceeded the number of SRST endpoints supported by the voice gateway.
  C. Phones at the remote site are assigned to the incorrect device pool.

• Question 449:

  A new administrator at Company X has deployed a VCS Control on the LAN and VCS Expressway in the DMZ to facilitate VPN-less SIP calls with users outside of the network. However, the users report that calls via the VCS are erratic and not very consistent.

  What must the administrator configure on the firewall to stabilize this deployment?

  A. The VCS Control should not be on the LAN, but it must be located in the DMZ with the Expressway.
  B. The firewall at Company X must have all SIP ALG functions disabled.
  C. The firewall at Company X requires a rule to allow all traffic from the DMZ to pass to the same network that the VCS Control is on.
  D. A TMS server is needed to allow the firewall traversal to occur between the VCS Expressway and the VCS Control servers.
  B. The firewall at Company X must have all SIP ALG functions disabled.

• Question 450:

  What is the purpose of the local route group?

  A. minimize PSTN costs
  B. help in the selection of the PSTN egress gateway
  C. eliminate the need for a route list
  D. allow manipulation of digits at the cost point to egress
  B. help in the selection of the PSTN egress gateway