350-801 practice questions 51–60

1. Question 51 · 450 in bank

   An administrator works with an ISDN PRI that is connected to a third-party PBX. The ISDN link does not come up, and the administrator finds that the third-part PBX uses the QSIG signaling method. Which command enables the Cisco IOS Gateway to use QSIG signaling on the ISDN link?

   • Aisdn switch-type basic-qsig
   • Bisdn switch-type basic-ni
   • Cisdn switch-type primary-qsig
   • Disdn incoming-voice voice

   Show answer

   Answer: C

   Explanation

   Reference: https://www.cisco.com/en/US/docs/ios/dial/configuration/guide/ dia_cfg_isdn_pri_external_docbase_0900e4b1806c752c_4container_external_docbase_0900e4b18216dd1b.html

   References

   • cisco.com documentation

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2. Question 52 · 450 in bank

   An administrator needs to create a partial PRI consisting of the first seven timeslots available. Which configuration snippet configures the ISDN E1 PRI for this task?

   • Aconfig t 2900(config)#isdn switch-type primary-ni 2900(config)#pri-group timeslots 1-7
   • Bconfig t 2900(config)#isdn switch-type primary-ni 2900(config)#controller e1 0/0/0 2900(config-controller)#pri-group timeslots 1-7
   • Cconfig t 2900(config)#isdn switch-type primary-ni 2900(config)#interface Serial0/0/0:15 2900(config-controller)#pri-group timeslots 1-7
   • Dconfig t 2900(config)#isdn switch-type primary-ni 2900(config)#controller e1 0/0/0 2900(config-controller)#pri-timeslots 1-7

   Show answer

   Answer: B

   Explanation

   B is correct. Enable the ISDN Switch type as Primary-ni globally: config t #isdn switch-type primary-ni Then the controller E1 and Pri group timeslot configuration: #controller e1 0/0/0 #pri-group timeslots 1-10

   Source: Adapted from community discussion — Omitted

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3. Question 53 · 450 in bank

   How many DNS SRV entries can be defined in the SIP trunk destination address field in Cisco Unified Communications Manager?

   • A1
   • B8
   • C16
   • D4

   Show answer

   Answer: A

   Explanation

   https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/11_5_1/sysConfig/CUCM_BK_SE5DAF88_00_cucm-system-configuration-guide-1151/CUCM_BK_SE5DAF88_00_cucm-system-configuration-guide-1151_chapter_01110.html: "You can assign up to 16 different destination addresses for a SIP trunk, using IPv4 or IPv6 addressing, fully qualified domain names, or you can use a single DNS SRV record."

   Source: Adapted from community discussion — Rads25

   References

   • Cisco documentation

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4. Question 54 · 450 in bank

   Select 2

   Refer to the exhibit.

   

   Which two codec permutations should be transcoded by this dspfarm? (Choose two.)

   • AG.722 to G.729r8
   • BG.729r8 to G.711ulaw
   • CG.729br8 to G.711alaw
   • DiLBC to G.711ulaw
   • EG729ar8 to G.711alaw

   Show answer

   Answer: BE

   Explanation

   ilbc is not in the dspfarm profile and g729r8 includes ar8 by default. Br8 is not included. C and D options are incorrect

   Source: Adapted from community discussion — Janju

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5. Question 55 · 450 in bank

   A company's employees have been complaining that they have been unable to select options on the internal IVR of the help desk. IT support has been given Cisco UCM traces and below is the snippet of the SDP of the INVITE packet. m=audio 25268 RTP/AVP 18 101 a=rtpmap:0 PCMU/8000 a=rtpmap:18 G729/8000 a=ptime:20 a=fmtp:18 annexb=no a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 How is this issue resolved?

   • AConfigure DTMF for KPML.
   • BConfigure CODEC for G.729.
   • CConfigure DTMF for RFC 2833.
   • DConfigure CODEC for G.722.

   Show answer

   Answer: A

   Explanation

   In m=audio 25268 RTP/AVP 18 101 not appears the 0 for g711, as rtp-nte should use a non compress codec, the g729 is not the ideal codec for that purpose, so you should configure KPLM

   Source: Adapted from community discussion — 6unc47

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6. Question 56 · 450 in bank

   Which command in the MGCP gateway configuration defines the secondary Cisco Unified Communications Manager server?

   • Amgcpapp
   • Bccm-manager fallback-mgcp
   • Cmgcp call-agent
   • Dccm-manager redundant-host

   Show answer

   Answer: D

   Explanation

   D https://www.cisco.com/c/en/us/td/docs/routers/access/vgd1t3/rel1_0/software/configuration/guide/VGD_mgcp.html ccm-manager fallback-mgcp - Enables the MGCP fallback feature ccm-manager redundant-host {ip-address | DNS-name} [ip-address | DNS-name] - Identifies up to two backup Cisco Unified Communications Manager servers.

   Source: Adapted from community discussion — Puh

   References

   • Cisco documentation
   • Cisco documentation
   • Cisco documentation

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7. Question 57 · 450 in bank

   Which action is required if an engineer wants to have Cisco Unified Communications Manager control the configuration for an MGCP gateway?

   • AApply the ccm-manager configuration commands to the gateway.
   • BUpload the custom configuration in the TFTP server in Cisco Unified CM.
   • CFrom Cisco Unified CM > Device > Gateway > Add gateway, check the auto-configuration check box.
   • DConfigure the Cisco Unified CM's IP in voice service VoIP.

   Show answer

   Answer: A

   Explanation

   Changed my selection. Going with A like everyone else I got distracted by the 'TFTP server' term in the B) upload configuration configuration ...

   Source: Adapted from community discussion — SDLOA14

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8. Question 58 · 450 in bank

   A user reports that when receiving an inbound call on their IP Phone from the PSTN they are unable to transfer this call to another PSTN number. What is the reason for this failure?

   • AThe IP phone is configured with the wrong region.
   • BThe incoming calling search space of the SIP trunk does not include the partition of the line in the IP phone.
   • CThe service parameter related to Offnet to Offnet Call Transfer is set to TRUE.
   • DThe gateway is configured with the wrong device pool.

   Show answer

   Answer: C

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9. Question 59 · 450 in bank

   Select 2

   

   Refer to the exhibit. A collaboration engineer adds an analog gateway to a Cisco UCM cluster. The engineer chooses MGCP over SCCP as the gateway protocol. Which two actions ensure that the gateway registers? (Choose two.)

   • ADelete and re-add the gateway configuration in Cisco UCM.
   • BEnter "mgcp" on the gateway in configuration mode.
   • CEnter "no sccp" on the gateway in configuration mode.
   • DEnter "ccm-manager config" on the gateway in configuration mode.
   • EEnter "ccm-manager mgcp" on the gateway in configuration mode.

   Show answer

   Answer: BE

   Explanation

   Reference: https://community.cisco.com/t5/unified-communications/cisco-router-2901-mgcp-x-callmanager-9-1-1/td-p/2419551

   Source: Adapted from community discussion — G0y0

   References

   • Cisco documentation

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10. Question 60 · 450 in bank

    Refer to the exhibit.

    

    An administrator configures a secure SIP trunk on Cisco UCM. Which value is needed in the Secure Certificate Subject or Subject Alternate Name field to accomplish this task?

    • Athe common name of the remote device certificates
    • Bthe fully qualified domain name of all Cisco UCM nodes that run the CallManager service
    • Cthe common name of the Cisco UCM CallManager certificate
    • Dthe fully qualified domain name of the remote device that is configured on the SIP trunk

    Show answer

    Answer: D

    Explanation

    Have a Look at this Link (https://www.cisco.com/c/en/us/support/docs/unified-communications/unified-communications-manager-callmanager/200180-Configure-SIP-TLS-Trunk-on-the-Communica.html ). Section: Step 8. Create SIP Trunk Security Profiles. Here you can See that it is the CN of the remote Host/devices. At the screenshots below you can See that a CN is not always a FQDN. In this example it is CUCM10.

    Source: Adapted from community discussion — SergeantDuty

    References

    • cisco.com documentation
    • Cisco documentation
    • Cisco documentation
    • Cisco documentation

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350-801 practice, question 51. 450 questions available.