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 331:

    After you install the Cisco Jabber client, it fails to register with the Cisco Unified Communications Manager server. Which two actions can you take to troubleshoot the problem? (Choose two.)

    A. Verify that the DNS SRV record is correctly configured.
    B. Verify that the LMHOST file is installed on the PC.
    C. Verify that the corporate firewall allows connections to and from the Jabber client.
    D. Reboot the Cisco Unified Border Element Gateway.
    E. Verify Layer 3 connectivity on the gateway.

  • Question 332:

    Which size is the jitter buffer of the Cisco MTP transcoder?

    A. 10 - 30 ms
    B. 45 - 60 ms
    C. 20 - 40 ms
    D. 25 - 50 ms

  • Question 333:

    Refer to the exhibit. According to the log diagram, what is the reason that the call ended?

    A. The call was put on hold.
    B. The call was experiencing one-way audio.
    C. The call was completed successfully.
    D. The call was transferred.
    E. The call dropped out.

  • Question 334:

    You discover that a CCD client is failing to learn patterns with RTMT.

    Which two actions can you take to troubleshoot the problem? (Choose Two)

    A. Verify that the SIP trunk between Cisco unified communications manager and the Cisco unified presence server is configured correctly.
    B. Verify that the trunk is selected for the CCD advertising service.
    C. Verify that the trunk is selected for the CCD requesting service.
    D. Verify that EIGRP topology information is available to SAF forwarders.
    E. Verify the SAF configuration.

  • Question 335:

    Refer to the exhibit. A Cisco Unified Communications Manager Extension Mobility enabled user attempts to log in to a new phone where Cisco Extension Mobility Cross Cluster Service is configured with the URL that is displayed in the exhibit. The service is configured on a Cisco Unified CM 9.X or later Unified CM cluster. After the user enters the user ID and PIN, the phone displays "Login is Unavailable (23)." Which configuration requirement supports Cisco EMCC and avoids this error condition?

    A. The device must be subscribed to Cisco EMCC Services.
    B. The given user ID is not found in the remote cluster.
    C. The user must associate a device profile.
    D. The Cisco IP Phone Services configuration for Cisco EMCC must set the enterprise subscription.

  • Question 336:

    A company has a headquarters site and a remote site. Cisco Unified Communications Manager acts as a DHCP server. Both sites use their local voice gateways for PSTN calls. At the headquarters site, the PSTN prefix is 9, and the

    emergency number is 911. At the remote site, the PSTN prefix is 0, and the emergency number is 112. Here are the deployment policies for roaming devices: Softphones can roam between two sites.

    A roaming softphone uses the local gateway for all PSTN calls. The user keeps home dial habits on a roaming softphone, with the exception of the emergency number.

    When a headquarters user uses a softphone at the remote site, the administrator notices that the PSTN calls are still going via voice gateway in the headquarters. The administrator enabled Device Mobility in the system parameters and on all

    phones. What are the next two components that the administrator must check, according to the flow of Device Mobility operation? (Choose two.)

    A. IP address of the softphone
    B. Cisco Unified CM Group
    C. Device Mobility Info
    D. Physical Location
    E. Device Mobility Group

  • Question 337:

    Which three network conditions and equipment should you avoid to ensure a high-quality Cisco TelePresence experience? (Choose three.)

    A. network hubs
    B. Layer 3 switches
    C. duplex mismatch connections
    D. 10/100 access ports
    E. high utilization link with QoS
    F. network loops
    G. redundant network trunks

  • Question 338:

    Cisco Unified Mobile Connect has been enabled, but users are not able to switch an in-progress call from their mobile phone to their desk phone.

    You find out that the Resume softkey option does not appear on the desk phone after users hang up the call on their mobile phone.

    What do you do to resolve this issue?

    A. Issue the progress_ind progress disable command in the gateway.
    B. Issue the voice call disc-pi-off command in the gateway.
    C. Enable mobile connect on the user profile.
    D. Assign Resume softkey on the desk phone.

  • Question 339:

    An Extension mobility user successfully logs in to an Extension Mobility (Hoteling) phone, but now the user cannot log into an additional Extension Mobility (Hoteling Phone). Why is the user unable to log in to the next phone?

    A. The user is set for autologout for extension mobility.
    B. The user is set to a maximum of one login.
    C. The user does not have login privileges for the new phone.
    D. The user does not have the permission to use extension mobility.
    E. The first phone doesn't have a logout button, due to an incorrect phone button template.
    F. The user is not set to allow multiple logins.

  • Question 340:

    You are receiving complaints of pixilation, smearing, and pulsing of video calls between two offices that are connected by a WAN. Assuming that QoS is implemented on the WAN connection, which classification should you use to mark the video traffic, according to the Cisco QoS baseline?

    A. CS6
    B. CS2
    C. AF41
    D. AF31
    E. EF
    F. CS3

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