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 81:

    Refer to the exhibit. A Cisco Unified Communications Manager engineer configured CCD in two clusters. The patterns were successfully learned; however, the call attempt from the 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. The pattern that was dialed has been added to the Blocked Learned Pattern configuration.
    B. The Activated Feature check in the CCD Requesting Service configuration is missing.
    C. The CCD partition is missing from the CCD Requesting Service configuration.
    D. The CSS is missing from the phones and line configuration.

  • Question 82:

    After you install Cisco Jabber client, it fails to register with the CUCM server. Which two actions must you take to troubleshoot the problem?

    A. verify that the name of the configuration file is correct
    B. verify Layer 3 connectivity on the gateway
    C. verify that the corporate firewall allows connections TO and FROM Jabber client
    D. verify that the LMHOST files is installed on the PC
    E. reboot CUBE gateway

  • Question 83:

    While you deploy SAF CCD in a remote location, you are unable to enable the SAF CCD Service on a Cisco IOS based device. Which action can you take to troubleshoot the problem?

    A. Verify that Cisco Unity Express is Operational
    B. Verify that IOS Release 15.0(1) M is installed.
    C. Verify that DSP farm resources are configured on the device.
    D. Verify that the device has sufficient RAM to run SAF CCD.
    E. Verify the integrity of the flash installation.

  • Question 84:

    Refer to the Exhibit. An engineer configured a Cisco Telepresence Server with two Cisco acquired codian devices. Users are reporting that the image looks frozen and audio contains static and is garbled on one of the devices. What is the root cause of the issue?

    A. There is mismatch in the port configuration.
    B. The input flow control is off.
    C. The QoS that is configured on the port is set to FIFO.
    D. There are packet drops in the ingress queues.

  • Question 85:

    When Device Mobility is configured, which parameter does Cisco Unified Communications Manager (CUCM) use to track the location of the phone device?

    A. IP address of the mobile device
    B. region settings under roaming-sensitive setting
    C. location settings under roaming-sensitive setting
    D. network locale
    E. device mobility group
    F. device mobility Content Services Switch (CSS)

  • Question 86:

    You have an endpoint registration problem with VCS, and the event log reason of "unknown domain". The domain names that your endpoints are using to register with must be added to this list. Where do you check the list of defined domains?

    A. VCS configuration > Domains > SIP
    B. VCS configuration > Protocols > SCCP > Domains
    C. VCS Domains > Protocols > SIP
    D. VCS configuration > Protocols > SIP > Domains

  • Question 87:

    When a user tries to initiate an Ad Hoc conference call from an IP phone, this message appears: No Conference Bridge Available. Which two actions resolve this issue? (Choose two.)

    A. Make sure that the Join softkey is assigned to the phone.
    B. Make sure that a Conference Bridge resource is registered to Cisco Unified Communications Manager.
    C. Reset the phone, to re-register resources.
    D. Make sure that a Conference Bridge Resource is assigned to the MRGL on the phone that initiates the conference call.

  • Question 88:

    An external call is dropped as soon as it is picked up by the SCCP IP phone. the PSTN gw is integrated with CUCM using a SIP trunk. What is a cause of this issue?

    A. there are insufficient DSP resources on the PSTN gw
    B. there is a missing MTP resource for the SCCP IP phone
    C. the incorrect CSS is on the SIP trunk to the PSTN gw
    D. the phone number is in the incorrect partition

  • Question 89:

    Joe is based out of California, USA. He is travelling to London,U.K. for a few days. The ACME Corporation recently deployed Cisco Unified Communications Manager Device Mobility, and both the USA phone (Voice Subnet 10.1.1.0/24) and the London phone (Voice Subnet 10.2.2.0/24) are registered to the same Cisco Unified Communications Manager cluster. The publisher and two subscribers are in California, and the London site has two subscribers. When Joe connects his Cisco IP phone to the London network, the phone displays the message "Device in Home Location." Assume that call routing, CSS, and partitions are set up in accordance with the country-specific dial plan. Which statement is true?

    A. To call a U.K. mobile phone, Joe must dial 9 (access code) + 011(international access code in the U. S.) + 44 22 33 44 55 (U.S. dial plan)
    B. Joe is unable to call internal Cisco IP phones in the London office (assuming that CSS and partitions allow the call)
    C. Joe's Cisco IP phone does not support roaming.
    D. In the UK, the international access code is 00. To call a U.S. number, Joe must dial 9 (access code) + 00+1 222 333 4567 (U.K. dial plan)

  • Question 90:

    An engineer configured Cisco Extension Mobility for a user. The user can log in to the profile but notices that the extension is not correct. Which component should the engineer check first to verify the user extension?

    A. UC Service
    B. Device Profile
    C. User Profile
    D. Phone Service
    E. SIP Profile

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