642-427 Exam Details

  • Exam Code
    :642-427
  • Exam Name
    :Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0)
  • Certification
    :Cisco Certifications
  • Vendor
    :Cisco
  • Total Questions
    :262 Q&As
  • Last Updated
    :Dec 07, 2021

Cisco 642-427 Online Questions & Answers

  • Question 151:

    You have received a trouble ticket from a user who could not leave a message for John Doe at extension 2001. The user stated that when the call was forwarded to voice-mail, the Cisco Unity opening greeting was played instead of John Doe's greeting. Which three issues could cause this problem? (Choose three.)

    A. The exchange server was down and Cisco Unity was operating in UMR mode.
    B. A Cisco Unity call routing rule was added that prevented the Attempt Forward rule from being applied to the call.
    C. The voice-mail port used was configured only for Message Notification and MWI Outdial.
    D. Extension 2001 was not configured with the correct voice-mail profile.
    E. John Doe's mailbox does not have the correct extension configured in Cisco Unity.
    F. A translation pattern modified the redirecting number.

  • Question 152:

    Look at the following exhibit carefully.

    You can click the Voice Gateway for the BR2 location to see the output from the debug voice ccapi inout command and click on 10.1.5.10 to see and search the trace file output. You can also enter a string in the Search box and click the Find

    button to search the output. X can be clicked to back to the item. As a network technician, you have recently configured a trunk between the Cisco Unified CallManager cluster at 10.1.5.10 and a CME at a 10.3.130.1. In the testing of this

    configuration, you discover that you can complete calls when dialing from ext.2020 to ext.4001, however, a fast busy can only be received when dialing from ext.4001 to ext.2020.

    Please choose the most possible reason of this issue from the following statements.

    A. The h323-gateway voip bind srcaddr 10.3.130.1 command has been omitted from the BR2 configuration.
    B. A transaction rule has been applied that is keeping the call from being completed.
    C. A CSS has been omitted from the trunk configured to BR2.
    D. An incorrect CSS has been applied to the gateway at HQ.

  • Question 153:

    Which of the following describes SIP Early Offer?

    A. In SIP Early Offer mode, the SDP media capabilities are sent in the INVITE message calling device.
    B. Early Offer always uses session indicator 183
    C. In SIP Early Offer mode, the SDP media capabilities are sent in the 200 OK messages of the calling device.
    D. In SIP Early Offer mode, the INVITE and the 200 OK messages use non-SDP message format to indicate SIP Early Offer

  • Question 154:

    Refer to the exhibits.

    End-to-end RSVP with local RSVP fallback has been configured on the HO Cisco Unified Communications Manager. RSVP between the locations that are assigned to the IP phones and SIP trunk at the HQ site is configured as mandatory. When a call is placed from an HQ phone to a BR phone, the end-to-end RSVP request fails.

    Refer to the SDI trace. Which statement about the call is true?

    A. The Cisco Unified Communications Manager at HO will fall back to local RSVP and place the call No RSVP end-to-end will occur.
    B. Only local RSVP will take place at both the HQ and BR Cisco Unified Communications Managers.
    C. The Cisco Unified Communications Manager at HO will use end to end RSVP. The BR Cisco Unified Communications Manager will use local RSVP.
    D. The call will fail.
    E. The call will proceed as a normal call with no RSVP reservation.

  • Question 155:

    A network sniffer is implemented to troubleshoot call setup failures. Initially, the sniffer is able to see only traffic sent to and from the computer that is running the sniffer. Which two solutions allow the sniffer to see H.323 call setup traffic to and from different devices other than the computer that is running the sniffer. (Choose two.)

    A. Configure Cisco Unified Communications Manager to redirect the H.323 call setup packets to the computer that is running the sniffer.
    B. Configure the ERSPAN to have an extra stream of the H.323 call setup packets sent over multiple hops to the computer that is running the sniffer.
    C. Configure the SPAN to have an extra stream of the H.323 call setup packets sent to a different switch port to the computer that is running the sniffer.
    D. Configure the H.323 gateway to have an extra stream of the H.323 call setup packets sent over multiple hops to the computer that is running the sniffer.

  • Question 156:

    Refer to Exhibit.

    When the user tried to configure the command maximum session 5 under the dspfarm profile 1, the error shown in the exhibit was reported. Which course of action will resolve this issue?

    A. The maximum conference-participants value must be configured > 0.
    B. Ensure that the conference bridge is not registered in Cisco Unified Communications Manager.
    C. The Command dsp service dspfarm must be configured under the voice-card configuration.
    D. Configure the dspfarm all command under the voice card.

  • Question 157:

    Which two of the following VoIP gateway platforms are considered to be ISRs? (Select two.)

    A. Cisco 2600XM Series
    B. Cisco 2800 Series
    C. Cisco Catalyst 6500 Series
    D. Cisco 3800 Series

  • Question 158:

    Refer to the exhibit.

    Which configuration is the correct Cisco IOS configuration that corresponds to the Cisco SAF Forwarder that is shown in the exhibit?

    A. Exhibit A
    B. Exhibit B
    C. Exhibit C
    D. Exhibit D

  • Question 159:

    Refer to the exhibit.

    When Alice, at extension 2001, places a call to Bob, at extension 3001, Alice hears her own voice reflected. Which type of echo is this classified as?

    A. talker echo
    B. listener echo
    C. tail circuit echo
    D. front-end circuit echo

  • Question 160:

    A customer is trying to register an IP phone. During the registration process, the IP phone receives the configuration file (.xml) from the TFTP server. Which input can you find in the configuration file that is downloaded to the IP phone?

    A. firmware to be loaded on IP phone
    B. extension number
    C. speed dials
    D. valid locally significant certificate
    E. location of the DHCP server
    F. IP address of the IP phone

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