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 121:

    Which two tools can be used to collect log files for advanced troubleshooting of call setup failures? (Choose two.)

    A. Dialed Number Analyzer on Communications Manager servers
    B. CLI of Communications Manager servers
    C. Cisco Unified Realtime Monitoring Tool for Communications Manager servers
    D. Cisco Call Analyzer for Communications Manager Publisher servers
    E. Cisco Prime Collaboration Provisioning server

  • Question 122:

    An engineer is configuring inter-site dialing for a company with several branch offices. Due to overlapping extensions at some sites, the site code *3XX is used, where XX is the branch number is the prefixed code. The engineer cannot dial the number at the new branch from head office. Which configuration parameter can the engineer use to resolve this issue?

    A. gatekeeper
    B. translation pattern
    C. route pattern
    D. transformation profile

  • Question 123:

    What is the default interval for SAF hello packets?

    A. 15 seconds
    B. 15 seconds on links with speeds that are slower than T1 speeds
    C. 40 seconds
    D. 40 seconds on links with speeds that are slower than T1 speeds
    E. 60 seconds
    F. 60 seconds on links with speeds that are slower than T1 speeds

  • Question 124:

    After you deploy Cisco Unified Communications manager device mobility in your environment, you note that phones in a remote site are failing to register. Which two actions correct the problem? (Choose Two)

    A. Verify that remote site is assigned to the device mobility group that matches its dialing pattern
    B. Verify that phones are attempting to register with correct mega cluster in the device pool of the central office
    C. Verify that Extension mobility is configured correctly for the remote site
    D. Verify that the LDAP server is configured to support Device Mobility at the Remote Site
    E. Verify that the subnet of the remote site is configured in Device Mobility info.

  • Question 125:

    An engineer is troubleshooting an inter-site call between two end points where the call is failing and the message "Not Enough Bandwidth" is displayed. Which configuration in Cisco Unified Communications Manager must be adjusted to resolve this issue?

    A. route pattern
    B. translation pattern
    C. Transcoder
    D. location

  • Question 126:

    An engineer is troubleshooting an SIP call between two different sites where a call drops at even intervals every 15 minutes. Which cause of the issue is true?

    A. The SIP session expire timer is set too low on Cisco Unified Communications Manager
    B. The QoS configuration on the routers is inadequate
    C. The WAN link between the sites is experiencing excessive packet loss
    D. The TCP timeout is set too low on one of the network devices

  • Question 127:

    Upon completion of a failover task you notice that all the CTI devices are still pointing to the backup server rather than the primary server. How should you resolve this issue?

    A. Stop the CTI Manager Service on the Secondary server so that all devices using CTI register with the primary.
    B. Stop the CTI Manager Service on the Primary server so that all devices using CTI stay registered with the primary CTI server.
    C. Restart the subscriber with the CTI Manager Service on the secondary.
    D. Do nothing and wait for the next failover assuming this will revert back to the primary CTI server.

  • Question 128:

    For which two reasons music on hold fail to play? (choose two)

    A. A SIP trunk is configured between the phone and the music on hold server.
    B. The DRAM is corrupted on the Cisco IOS router.
    C. Analog lines terminated into the Voice gateway.
    D. Uncast music on hold is configured and IP addressing mode is set to IPV4 only.
    E. IPV4 addressing is in use.
    F. Multicast music on hold is configured and the IP addressing mode is set to IPV6 only.

  • Question 129:

    Refer the exhibit. All region, MRG and MRGL configurations are set to default values. The service provider supports only the G.711 codec. Calls from the IP Phone 7965 to the SIP service provider fail due to a codec missmatch. Which action should you take to make this call work?

    A. Assign the transcoder to an MRG and MRGL but do not apply the MRGL anywhere
    B. Assign the transcoder to an MRG and MRGL and apply the MRGL to the phone 7965
    C. set early-offer support on CUCM to "Disabled"
    D. Disable SIP eary offer on the CUBE
    E. assign the transcoder to an MRG and MRGL and apply the MRGL to the SIP TRUNK
    F. set early-offer support on CUCM to "Mandatory"

  • Question 130:

    For which two reasons does music on hold fail to play? (Choose two.)

    A. The DRAM is corrupted on the Cisco IOS router.
    B. Unicast music on hold is configured and the IP addressing mode is set to IPv4 Only.
    C. A SIP trunk is configured between the phone and the music on hold server.
    D. iPv4 addressing is in use.
    E. Multicast music on hold is configured and the IP addressing mode is set to IPv6 Only.
    F. Analog lines are terminated into the voice gateway.

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