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 41:

    Cisco TelePresence System EX90-A and EX90-B are in a call. EX90-A tries to call EX90-C.

    When the call is dialed, EX90-B is put on hold. EX90-A and EX90-C are connected, but there is no merge button on the touch panel. What is causing this issue?

    A. The multisite option key is missing.
    B. The multisite configuration is missing.
    C. The conference option key is missing.
    D. The conference configuration is missing.
    E. CiscoTelePresence systems cannot make multipoint calls without a Cisco TelePresence Server.
    F. The multipoint option key is missing.

  • Question 42:

    Which reason for calls being disconnected just after connection is true?

    A. An incompatible MTP type is allocated to the call.
    B. Codec are mismatched between phones.
    C. Firewall is blocking RTP packets.
    D. Phone A is using SCCP and phone B is using SIP.

  • Question 43:

    Which CUCM database replication issue would cause CUCM nodes to generate the error "Reverse DNS lookup failed"?

    A. DNS server is down
    B. DNS server reported that no IP address was returned for a requested A record lookup
    C. DNS server reported that no HOSTNAME was returned for a requested A record lookup
    D. DNS server reported that no IP address existed for a requested SRV record lookup
    E. DNS server reported that no HOSTNAME was returned for a requested PTR record lookup

  • Question 44:

    Refer to the exhibits. Assume that all learned SAF routes are placed in the SAF_Pt partition. The 3XXX directory number pattern is being advertised by a remote cluster and is also being blocked by the local cluster that is shown in the exhibit. An IP phone is attached to the local cluster and is configured with a CSS that contains the following partitions: SAF_Pt and Internal_Pt in this order. When the IP phone places a call to 3001, what will occur?

    A. The call will succeed and will be placed via the SIP_Trunk.
    B. The call will fail because it will be blocked by the CCD Blocked Learned Route configuration.
    C. The call will be placed in a round-robin fashion between the SAF network and SIP_Trunk.
    D. The call will placed in a round-robin fashion between the SAF network and SIP_Trunk. Every other call will fail.

  • Question 45:

    Which meaning does the universal keyword have in this dspfarm profile configuration?

    A. The profile allocates DSP resources in flexible mode.
    B. The profile allows transcoding between any configured codecs.
    C. The profile can be used not only as transcoder but also as MTP.
    D. No special meaning, this is the default setting.

  • Question 46:

    Refer to the exhibit. The exhibit shows the output of debug isdn q931. An inbound PSTN call was received by a SIP gateway that is reachable via a SIP trunk that is configured in Cisco Unified Communications Manager. The call failed to ring extension 3001. If the phone at extension 3001 is registered and reachable through the gateway inbound CSS, which three actions can resolve this issue? (Choose three.)

    A. Change the significant digits for inbound calls to 4 on the SIP trunk configuration in Cisco Unified Communications Manager.
    B. Configure the digit strip 4 on the SIP trunk under Incoming Called Party Settings in Cisco Unified Communications Manager.
    C. Configure a translation pattern in Cisco Unified Communications Manager that can be accessed by the trunk CSS to truncate the called number to four digits.
    D. Configure a called-party transformation CSS on the gateway in Cisco Unified Communications Manager that includes a pattern that transforms the number from ten digits to four digits.
    E. Configure a voice translation profile in the SIP Cisco IOS gateway with a voice translation rule that truncates the number from ten digits to four digits.
    F. Configure the Cisco IOS command num-exp 2288223001 3001 on the gateway ISDN interface.

  • Question 47:

    Refer to the exhibit. Which timeframe does the Lost Packets % (Period) value refer to?

    A. total packets lost during the active call
    B. total packets lost within the last 10 seconds
    C. total packets lost within the last 10 minutes
    D. total packets lost within the last second

  • Question 48:

    You have been presented with a trouble ticket from an end user who works at a remote location that is served by a Cisco Unified Communications Manager Express. The user reports being unable to place calls to international numbers, but all other calls work properly and other users at this location can place international calls. Which two troubleshooting techniques would be helpful in resolving this issue? (Choose two.)

    A. Cisco IOS debug tools
    B. Class of Restriction baseline configuration for the user on Cisco Unified Communications Manager Express
    C. show output of the ephone and ephone-dn configurations
    D. show output of the voice translation rules in the voice gateway
    E. show output for the T1 controller and voice port configuration in the voice gateway

  • Question 49:

    Which configuration do you apply in Cisco Unified Communications Manager to enable intersite calls from a site in San Jose (extensions 3XXX) to Chicago (extensions 2XXX)?

    A. Option A
    B. Option B
    C. Option C
    D. Option D

  • Question 50:

    An engineer is troubleshooting an issue where aliases that contain an identity "@abc.com" are unable to register with an endpoint due to an entry in the registration restriction configuration in Expressway-E. Where is the alias being blocked in Expressway-E?

    A. regex list
    B. hunt list
    C. black list
    D. allow list

Tips on How to Prepare for the Exams

Nowadays, the certification exams become more and more important and required by more and more enterprises when applying for a job. But how to prepare for the exam effectively? How to prepare for the exam in a short time with less efforts? How to get a ideal result and how to find the most reliable resources? Here on Vcedump.com, you will find all the answers. Vcedump.com provide not only Cisco exam questions, answers and explanations but also complete assistance on your exam preparation and certification application. If you are confused on your 300-080 exam preparations and Cisco certification application, do not hesitate to visit our Vcedump.com to find your solutions here.