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350-801 Questions and Answers

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Viewing questions 91-100 out of questions

Questions # 91:

Why would we not include an end user’s PC device in a QoS trust boundary?

Options:

The end user could incorrectly tag their traffic to advertise their PC as a default gateway.

The end user could incorrectly tag their traffic to bypass firewalls.

There is no reason not to include an end user's PC device in a QoS trust boundary.

The end user may incorrectly tag their traffic to be prioritized over other network traffic.

Answer

Questions # 92:

What is set when using COS to mark an Ethernet frame?

Options:

Ipp bits

IP ECN bits

DCSP bits

802.1 p User Priority bits

Answer

Explanation

When using COS to mark an Ethernet frame, the 802.1 p User Priority bits are set. These bits are used to indicate the priority of the frame. The higher the priority, the more likely the frame is to be transmitted first.

Questions # 93:

Question # 93

Refer to the exhibit. Cisco Unified element is attempting to establish a call with Subcribers1, but the call fails. Cisco Unified Border Element then retries the same call with Subcribers2, and the call proceeds normally.

Which action resolves the issue?

Options:

Verify that the correct calling search space is selected for the inbound Calls section

Verify that the run on all active United CM Nodes checkbox is enabled

Verify that the Significant Digits field for inbound Calls is set to All.

Verify that the PSTN Access checkbox is enabled.

Answer

Questions # 94:

Which Cisco Unified communications manager configuration is required for SIP MWI integration?

Options:

Select “Redirecting Diversion Header Delivery— Inbound’ on the SIP trunk

Enable “Accept presence subscription” on the SIP trunk security profile

Select “Redirecting Diversion Header Delivery – outbound” on the SIP trunk

Enable “Accept unsolicited notification” on the SIP Trunk security profile

Answer

Questions # 95:

According to QoS guidelines, what is the packet loss for streaming video?

Options:

Not more than 8%

Not more than 1%

Not more than 3%

Not more than 5%

Answer

Questions # 96:

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

Options:

Use 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.

Use 808.IQ trunking and 802.lp for proper treatment of Layer 2 CoS packet marking on ports with phones connected.

Implement IP RTP header compression on the serial interface to reduce the bandwidth requlreq per voice call on point-to-point links.

Deploy 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.

Map audio and video streams of video calls (AF41 and AF42) to a class-based queue with weighted random early detection.

Answer

A, B

Questions # 97:

Question # 97

Refer to the exhibit. The SDP offer/answer has been completed successfully but there is no DTMF when users press keys. What is the cause of the issue?

Options:

Payload type 110 was negotiated rather than type 101.

DTMF was negotiated property in these messages.

DTMF was not negotiated on the call.

G.729 rather than G.711ulaw was negotiated.

Answer

Questions # 98:

Question # 98

Refer to the exhibit. The translation rule is configured on the voice gateway to translate DNIS. What is the outcome if the gateway receives 0255-343-1234 as DNIS?

Options:

The translation rule is not matched because DNIS does not end with a "$".

The translation rule is matched and the translated number is 02553431234.

The translation rule is matched and the translated number is 025553431234.

The translation rule is not matched because DNIS contains"-".

Answer

Questions # 99:

A network engineer must convert an inbound number 14085551111 when it reaches Cisco UCM and then converts it to an internal extension 3022, so it can ring to a specific desk. Which action meets this requirement?

Options:

Create a route group and route list and assign it to the translation pattern.

Create translation pattern 14085551111, called party transform mask 3022.

Change the partition and calling search space on the DID for the specific desk.

Create a route pattern 9.1XXXXXXXXXX and assign it to the trunk.

Answer

Questions # 100:

An engineer configures a new phone in Cisco UCM The phone boots and gets IP when it connects to the network, however the phone fails to register With CISCO UCM, The engineer observes that the phone has a status Rejected In CISCO UCM

What must be verified first 'Mien troubleshooting the issue?

Options:

whether auto-registration is enabled in Cisco UCM

whether the Initial Trust List and Certificate Trust List files on the phone are correct

whether the phone ts in the correct VLAN

whether the phone's MAC address is correct In Cisco UCM

Answer

Explanation

This is the first thing that must be verified when troubleshooting the issue of phone status showing rejected in Cisco UCM1. Auto-registration allows new phones to register with Cisco UCM without manual configuration1. If auto-registration is disabled, the phone will not be able to register and will show a rejected status1.

The other options are not the first things that must be verified when troubleshooting the issue:

B. whether the Initial Trust List and Certificate Trust List files on the phone are correct is not the first thing to verify, but it may be a possible cause of the issue if the phone has an ITL file from another cluster that prevents it from registering with Cisco UCM2. To resolve this issue, the ITL file needs to be deleted from the phone or exchanged between the clusters2.

C. whether the phone is in the correct VLAN is not the first thing to verify, but it may be a possible cause of the issue if the phone is not in the same VLAN as the Cisco UCM server or cannot reach it due to network issues3. To resolve this issue, the network connectivity and VLAN configuration need to be checked and fixed3.

D. whether the phone’s MAC address is correct in Cisco UCM is not the first thing to verify, but it may be a possible cause of the issue if the phone’s MAC address does not match the one configured in Cisco UCM. To resolve this issue, the MAC address needs to be corrected and updated in Cisco UCM.

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Viewing questions 91-100 out of questions

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