350-801 practice questions 401–410

1. Question 401 · 450 in bank

   Select 2

   To provide high-quality voice and take advantage of the full voice feature set, which two access layer switches provide support? (Choose two.)

   • AUse multiple egress queues to provide priority queuing of RTP voice packet streams and the ability to classify or reclassify traffic and establish a network trust boundary.
   • BDeploy RSVP to improve VoIP QoS only where it can have a positive impact on quality and functionality where there is limited bandwidth and frequent network congestion.
   • CMap audio and video streams of video calls (AF41 and AF42) to a class-based queue with weighted random early detection.
   • DUse 802.1Q trunking and 802.1p for proper treatment of Layer 2 CoS packet marking on ports with phones connected.
   • EImplement IP RTP header compression on the serial interface to reduce the bandwidth required per voice call on point-to-point links.

   Show answer

   Answer: AD

   Explanation

   Reference: https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucme/srnd/design/guide/cmesrnd/nstrct.html

   Source: Adapted from community discussion — wwisp3422112

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2. Question 402 · 450 in bank

   Select 2

   A customer wants to conduct B2B video calls with a partner using an on-premises conferencing solution. Which two devices are needed to facilitate this request? (Choose two.)

   • AExpressway-C
   • BMGCP gateway
   • CCisco Unified Border Element
   • DCisco TelePresence Management Suite
   • EExpressway-E

   Show answer

   Answer: AE

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3. Question 403 · 450 in bank

   Which Cisco Unified Communications Manager service parameter should be enabled disconnect a multiparty call when the call initiator hangs up?

   • ADrop Ad Hoc Conference
   • BH.225 Block Setup Destination
   • CBlock OffNet To OffNet Transfer
   • DEnterprise Feature Access Code for Conference

   Show answer

   Answer: A

   Explanation

   Reference: https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/10_0_1/ccmsys/CUCM_BK_SE5FCFB6_00_cucm-system-guide-100/ CUCM_BK_SE5FCFB6_00_cucm-system-guide-100_chapter_011000.html#CUCM_TK_DFC66444_00

   Source: Adapted from community discussion — VitthalT

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4. Question 404 · 450 in bank

   A company wants to provide remote users with access to its on-premises Cisco collaboration features. Which components are required to enable Cisco Mobile and Remote Access for the users?

   • ACisco Unified Border Element, Cisco IM and Presence Server, and Cisco Video Communication Server
   • BCisco Unified Border Element, Cisco UCM, and Cisco Video Communication Server
   • CCisco Expressway-E, Cisco Expressway-C, and Cisco UCM
   • DCisco Expressway-E, Cisco IM and Presence Server, and Cisco Video Communication Server

   Show answer

   Answer: C

   Explanation

   Reference: https://www.cisco.com/c/en/us/td/docs/solutions/CVD/Collaboration/enterprise/12x/120/collbcvd/edge.html

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5. Question 405 · 450 in bank

   Refer to the exhibit.

   

   Cisco Unified Border Element is attempting to establish a call with Subscriber 1, but the call fails. Cisco Unified Border Element then retries the same call with Subscriber 2, and the call proceeds normally. Which action resolves the issue?

   • AVerify that the Run On All Active Unified CM Nodes checkbox is enabled.
   • BVerify that the correct calling search space is selected for the Inbound Calls section.
   • CVerify that the Significant Digits field for Inbound Calls is set to All.
   • DVerify that the PSTN Access checkbox is enabled.

   Show answer

   Answer: A

   Explanation

   The correct answer is A. Run On All Unified CM Nodes allows Subscribers NOT configured within the Call Manager Group that is applied to Route Lists and/or SIP Trunks to process calls. There is a whole rabbit whole with how this feature works when only applied to one or the other but per best practice, unless there is a VERY specific reason, you want this check box enabled on ALL Route Lists and SIP Trunks.

   Source: Adapted from community discussion — Slushed

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6. Question 406 · 450 in bank

   Select 2

   Refer to the exhibit.

   

   A collaboration engineer is configuring the Cisco UCM IM and Presence Service. Which two steps complete the configuration of the SIP trunk security profile? (Choose two.)

   • ACheck the box to accept replaces header.
   • BCheck the box to allow charging header.
   • CCheck the box to enable application-level authorization.
   • DCheck the box to transmit security status.
   • ECheck the box to accept unsolicited notification.

   Show answer

   Answer: AE

   References

   • Cisco documentation

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7. Question 407 · 450 in bank

   Refer to the exhibit.

   

   An engineer is troubleshooting this video conference issue: ✑ A video call between a Cisco 9971 in Region1 and another Cisco 9971 in Region1 works. ✑ As soon as the Cisco 9971 in Region1 conferences in a Cisco 8945 in Region2, the Region1 endpoint cannot see the Region2 endpoint video. What is the cause of this issue?

   • ACisco 8945 does not have a camera connected.
   • BMaximum Audio Bit Rate must be increased.
   • CMaximum Session Bit Rate for Video Calls is too low.
   • DMaximum Session Bit Rate for Immersive Video Calls is too low.

   Show answer

   Answer: C

   Explanation

   This is one of those "trick" questions that really does not have a clear answer and is more in "reading between the lines," in typical Cisco exam fashion. Answer A: This cannot be right because that would be an assumption. 8945s have built-in video/camera. Answer B: The codecs in the list and max bitrate show no issue, so this is not it. Answer C: This is the best choice based on the information provided. The section in the question of "when the 9971 CONFERENCES IN the 8945..." indicating that the 8945 is being added to an already in-progress video call, totaling three or more video streams. This would mean 384kbps is definitely way too low. Answer D: This is wrong because neither of these devices are immersive (not SX, DX, MX, IX, etc., aka Telepresence).

   Source: Adapted from community discussion — Slushed

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8. Question 408 · 450 in bank

   If a phone needs to register with cucm1.cisco.com, which network service assists with the phone registration process?

   • ASMTP
   • BICMP
   • CDNS
   • DSNMP

   Show answer

   Answer: C

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9. Question 409 · 450 in bank

   Which type of input is required when configuring a third-party SIP phone?

   • Adigest user
   • Bserial number
   • Cmanufacturer
   • Dauthorization code

   Show answer

   Answer: A

   References

   • Cisco documentation

   Next question

10. Question 410 · 450 in bank

    An administrator configures Cisco UCM to use UDP for SIP signaling and finds that an endpoint cannot make calls. Which action resolves this issue?

    • AChange the common phone profile.
    • BChange the SIP dial rules.
    • CChange the SIP profile.
    • DChange the phone security profile.

    Show answer

    Answer: D

    Explanation

    Answer seems right, as the particular phone's security profile might be configured for TCP only, hence , UDP can be allowed in phone security profile. https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/security/11_5_1/secugd/CUCM_BK_SEE2CFE1_00_cucm-security-guide-1151/CUCM_BK_SEE2CFE1_00_cucm-security-guide-1151_chapter_0111.html

    Source: Adapted from community discussion — ciscogeek

    References

    • Cisco documentation

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350-801 practice, question 401. 450 questions available.