350-801 practice questions 181–190

1. Question 181 · 450 in bank

   Which IP Precedence value is used to classify a call signaling packet?

   • A3
   • B4
   • C5
   • D6

   Show answer

   Answer: A

   Explanation

   Value Description 000 (0) Routine or Best Effort 001 (1) Priority 010 (2) Immediate 011 (3) Flash - mainly used for Voice Signaling or for Video. 100 (4) Flash Override 101 (5) Critical -mainly used for Voice RTP. 110 (6) Internet 111 (7) Network https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus1000/sw/4_0/qos/configuration/guide/nexus1000v_qos/qos_6dscp_val.pdf

   Source: Adapted from community discussion — Ol_Mykhailiuk

   References

   • Cisco documentation

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2. Question 182 · 450 in bank

   Which certificate does the Disaster Recovery System in Cisco UCM use to encrypt its communications?

   • AIPsec
   • BCisco Tomcat
   • CCAPF
   • DCisco CallManager

   Show answer

   Answer: A

   Explanation

   Reference: https://www.cisco.com/c/en/us/support/docs/unified-communications/unified-communications-manager-callmanager/214231-certificate-regeneration- process-for-cis.pdf

   References

   • Cisco documentation

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3. Question 183 · 450 in bank

   Which location must be assigned to the SIP trunk to replicate enhanced location information via a SIP trunk?

   • Ahub_none
   • Breplica
   • Cphantom
   • Dshadow

   Show answer

   Answer: D

   Explanation

   shadow - A system location created for inter-cluster Enhanced Location CAC. To pass locations across clusters, the SIP inter-cluster trunk (ICT) must be assigned to the system location Shadow.

   Source: Adapted from community discussion — Panda_man

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4. Question 184 · 450 in bank

   An engineer deploys a Cisco Expressway-E server for a customer who wants to utilize all features on the server. Which feature does the engineer configure on the Expressway-E?

   • AH.323 endpoint registrations
   • BVTC bridge
   • CMRA
   • DSIP gateway for PSTN providers

   Show answer

   Answer: C

   Explanation

   Poorly worded question. I am back to thinking the Answer is C. Both Expressway Core and Edge are always required. “All features” implies MRA, just because MRA is the overarching term with multiple capabilities underneath. See About Mobile and Remote Access https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/expressway/config_guide/X12-5/exwy_b_mra-expressway-deployment-guide/exwy_b_mra-expressway-deployment-guide_chapter_00.html

   Source: Adapted from community discussion — MaxG

   References

   • Cisco documentation

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5. Question 185 · 450 in bank

   An engineer is configuring Cisco Jabber for Windows and must implement desk phone control mode for some of the users. Which access control group must be configured for those users to enable this functionality?

   • AAllow Control of Device from CTI
   • BStandard CTI Allow Reception of SRTP Key Material
   • CStandard CTI Secure Connection
   • DStandard CTI Enabled

   Show answer

   Answer: D

   Explanation

   correct answer is D question is about access control group, is listed under: cucm > user management > user Settings > access control group

   Source: Adapted from community discussion — DaKenjee

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6. Question 186 · 450 in bank

   What is a description of the DiffServ model used for implementing QoS?

   • AAF43 has higher drop precedence than AF42 but lower drop precedence than AF41
   • BRTP traffic from voice and video calls is marked EF and placed in the same queue
   • CAF41 has higher drop precedence than AF42, which has higher drop precedence than AF43
   • DVoice and video calls are marked with different DSCP values and placed in different queues

   Show answer

   Answer: D

   Explanation

   I would say "D" is correct. A make no sense, because 43 has a higher drop precedence then 42 which has a higher drop precedence then 41.

   Source: Adapted from community discussion — Icke1973

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7. Question 187 · 450 in bank

   

   Refer to the exhibit. An administrator must replace the T1 card with an E1 card. What is the correct configuration if the administrator was asked to configure 12 time slots? A.

   

   B.

   

   C.

   

   D.

   

   This is an interactive task on the real exam — a drag-and-drop, hotspot or ordering question. There is nothing to select here, so the answer is shown below for reference.

   Show the answer figure

   Answer:

   Explanation

   Reference: www.cisco.com/en/US/docs/ios/12_4/interface/configuration/guide/h_et2sw.html#wp1072284

   Source: Adapted from community discussion — MaxG

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8. Question 188 · 450 in bank

   

   Refer to the exhibit. Which codec is negotiated?

   • AiLBC
   • BG.711ulaw
   • CG.728
   • DG.729

   Show answer

   Answer: B

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9. Question 189 · 450 in bank

   Select 2

   When multiple potential patterns are present, which two things are considered when Cisco UCM selects a destination pattern? (Choose two.)

   • AThe pattern does not match the dialed string
   • BThe pattern matches the dialed string
   • CThe pattern represents the smallest number of endpoints.
   • DThe pattern matches the shortest explicit prefix
   • EThe pattern represents the largest number of endpoints

   Show answer

   Answer: BC

   Explanation

   Should be B and C according to this doc: https://www.ciscopress.com/articles/article.asp?p=3089358&seqNum=2 When a number is dialed, the Cisco Unified Communications Manager uses closest-match logic to select which pattern to match from among all the patterns in its call-routing table. In practice, when multiple potentially matching patterns are present, the destination pattern is chosen based on the following criteria: * The pattern matches the dialed string. * The pattern represents the smallest number of endpoints. They also provide an example: When a user dials the string 1210, then pattern 121X is chosen because out of the two potential matches, 121X and 12XX, 121X is the better match as it represents only 10 possible numbers while 12XX represents 100 possible numbers. I believe they use "numbers" and "endpoints" interchangeably, since an endpoint would have a number assigned to it.

   Source: Adapted from community discussion — TheBabu

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10. Question 190 · 450 in bank

    Select 2

    Which two technical reasons make QoS a necessity in a video deployment? (Choose two.)

    • Abursty behavior of video traffic
    • Bvariable bit rate of the video stream
    • Cprovisioned bandwidth of the link
    • Dlow response time between endpoints

    Show answer

    Answer: AB

    Explanation

    I think the answers are A and B, because: QoS mechanisms for Video- In principle the QoS mechanisms employed to deliver the SLAs for a video transport network are mostly the same as those for audio. There are some differences however, mostly due to the bursty nature of video and VBR (variable-bit-rate) transmission.

    Source: Adapted from community discussion — dimitrof

    References

    • Cisco documentation

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350-801 practice, question 181. 450 questions available.