300-080 Exam Details

  • Exam Code
    :300-080
  • Exam Name
    :Troubleshooting Cisco IP Telephony and Video
  • Certification
    :Cisco Certifications
  • Vendor
    :Cisco
  • Total Questions
    :380 Q&As
  • Last Updated
    :Dec 08, 2021

Cisco 300-080 Online Questions & Answers

  • Question 241:

    When you we dialing from an internally registered device on Cisco VCS, m which order are the options processed lo determine the call routing?

    A. CPL, Transforms, FindMe, Search Rules
    B. CPL, FindMe, Transforms, Search Rules
    C. Transforms, CPL, FindMe, Search Rules
    D. Search Rules, Transforms, CPL, FindMe
    E. FindMe, CPL, Transforms, Search Rules

  • Question 242:

    An engineer has a SIP TRUNK configured between CUCM and VCS cluster.

    When a call is made from a Telep EX60 that is registered to the VCS to an IP PHONE 9971 that is registered on the CUCM, it rings.

    But upon picking up the call, a busy tone is heard.

    What should be checked to resolve this issue?

    A. CUCM zone on the VCS
    B. SIP trunk registration
    C. authentication on the SIP trunk
    D. SIP trunk and phone region settings

  • Question 243:

    You need to add transcoding support for g711alaw between two different sites. The current configuration is as follows:

    dspfarm profile 1 transcodecodec g711 ulawcodec g729ar8codec g729abr8codec g729br8codec g729r8maximum sessions 4 associate application SCCP

    Which two steps do you need to take in order to add support for this codec? (Choose two)

    A. Add the command codec g711alaw and issue the no shutdown command.
    B. Issue the command no associate application SCCP
    C. Disassociate the profile under the CCM group.
    D. Issue the command shutdown under the dspfarm profile.
    E. Add the command codec g711alaw and issue the command no sccp followed by the command sccp.

  • Question 244:

    You are troubleshooting an issue with ringback.

    Call flow: PSTN (SIP) > Cisco Unified Communications Manager > Phone

    When PSTN makes a call to the phone, no audio is heard when the phone is ringing.

    Cisco Unified Communications Manager sends this SDP information in the SIP message to the provider when the ringback is played.

    The issue is that the provider changes a=sendonly to a=inactive

    Which action do you take on the Cisco Unified CM side to fix this problem?

    A. Reupload the MOH file
    B. Change the "duplex streaming" to False
    C. Restart the IPVMS service
    D. Force an MTP in the SIP trunk to the provider

  • Question 245:

    Refer to the exhibit. Local 10-digit dialing in the North American Numbering Plan to area code 456 is failing. Which two changes are needed to enable 10-digit dialing? (Choose two.)

    A. Change dial peer 210 to destination-pattern 456.......
    B. Change dial peer 210 to destination-pattern 9456.......
    C. Change dial peer 210 to port 0/0/0:23.
    D. Remove the command prefix 456 from dial peer 210.

  • Question 246:

    Refer the exhibit. CUCM and the designated SAF Forwarder IOS router have the configuration that is displayed in the exhibit. None of the CallManager Services running the CCD SIP trunk, learn any patterns via Call Control Discovery. The following alarm is seen in their application event logs (Syslog).

    What is the reason for this Call Control Discovery Requesting Service error?

    A. CUCM CCD Requesting Service information missing the SAF Trunk selection
    B. CUCM SAF Forwarder information has an incorrect client label configuration
    C. CUCM SAF security profile information is configured with the wrong username and password
    D. Cisco SAF Forwarder IOS router is missing the client usernane configuration

  • Question 247:

    Two phones in the same cluster and at the same site have a call currently connected.

    The site local H.323 PSTN gateway loses connection with Cisco Unified Communications Manager.

    Which two results do you expect? (Choose two.)

    A. SRST is active, and all the phones enter SRST mode.
    B. No incoming and outgoing calls are possible.
    C. Cisco Unified SRST is able to receive incoming calls.
    D. The current call is not disconnected.
    E. The phones display "CM Fallback Service Operating."

  • Question 248:

    Drag the network-related video issue on the left to its root cause on the right.

    Select and Place:

  • Question 249:

    Refer the exhibit. A CUCM engineer configured CCD in two clusters, The patterns were successfully learned. However, the call attempt from cluster 1 agent to the cluster 2 agent fails. Based on the output of this cluster 1 trace, what is the root cause of the issue?

    A. CSS is missing from the phones and line configuration
    B. the pattern that was dialed has been added to the Blocked Learned Pattern config
    C. the Activated Feature check in the CCD Requesting Service configuration is missing
    D. The CCD partition is missing from the CCD Requesting Service configuration

  • Question 250:

    Nine users in a branch office frequently have audio conferences with each other and their clients who call in from the PSTN. They frequently report poor audio quality during conference calls. A 500 kb/s WAN link connects the branch office

    and headquarters, which hosts the Cisco Unified Communications Manager cluster.

    Which troubleshooting solution most directly improves their audio quality during conference calls?

    A. Enable hardware conferencing on the headquarters router and integrate with Cisco Unified CM.
    B. Enable hardware conferencing on the branch router and integrate with Cisco Unified CM.
    C. Enable software conferencing in headquarters internal to Cisco Unified CM.
    D. Enable LLQ on the branch router and the headquarters router.

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