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350-801 Questions and Answers

Question # 6

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 Regio1l endpoint cannot see the Region2 endpoint video.

What is the cause of this issue?

A.

Maximum Audio Bit Rate must be increased.

B.

Maximum Session Bit Rate for Immersive Video Calls is too low.

C.

Maximum Session Bit Rate for Video Calls is too low.

D.

Cisco 8945 does not have a camera connected.

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Question # 7

Refer to the exhibit. What is the registration state of the analog port in this debug output?

A.

The analog port failed to register to Cisco UCM with an error code 200.

B.

The MGCP Gateway is not communicating with the Cisco UCM.

C.

The analog port is currently shut down.

D.

The analog port is registered to Cisco UCM.

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Question # 8

Which characterstic of distributed class- based weighted fair queueing addresses jitter

prevention?

A.

It provides additional granularity by allowing a user to create classes

B.

It minimizes jitter by implementing a priority queue for voice traffic

C.

It uses a priority queue for voice traffic to avoid jitter.

D.

It provides additional granularity by allowing a user to define custom class

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Question # 9

Refer to the exhibit.

An engineer must modify the existing QoS policy-map statement to implement LLQ for voice traffic. Which change must the engineer make in the configuration?

A.

bandwidth 170 to reserve 170

B.

bandwidth 170 to LL1 170

C.

bandwidth 170 to priority 170

D.

bandwidth 170 to percent 170

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Question # 10

An engineer is configuring IP telephony. The network relies on DHCP to provide TFTP server addresses to the endpoints. Policy requires the endpoints to receive two server addresses. Which DHCP option must be configured?

A.

66

B.

143

C.

150

D.

166

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Question # 11

An engineer configures a SIP trunk for MWI between a Cisco UCM cluster and Cisco Unity Connection. The Cisco UCM cluster fails to receive the SIP notify messages. Which two SIP trunk settings resolve this issue? (Choose two.)

A.

accept out-of-dialog refer

B.

accept out-of-band notification

C.

transmit security status

D.

allow changing header

E.

accept unsolicited notification

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Question # 12

An engineer builds the configuration on a Cisco IOS gateway for the dial-peers:

Which command is required to complete the configuration?

A.

Codec g726r32

B.

Codec g729cr81

C.

Codec g723ar63

D.

Codec g711ulaw

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Question # 13

Refer to the exhibit. This INVITE is sent to an endpoint that only supports G.729. What must be done for this call to succeed?

A.

Add a transcoder that supports G.711ulaw and G.729.

B.

Nothing; both sides support G.729.

C.

Add a media termination point that supports G.711ulaw and G.729.

D.

Nothing both sides support payload type 101.

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Question # 14

Refer to the exhibit. Unanswered calls do not reach the voicemail associated with the phones Instead, callers receive the default greeting Which action fixes the configuration?

A.

Reboot Cisco Unity Connection.

B.

Check the box "Redirecting Diversion Header Delivery - Outbound", then reset the trunk.

C.

Check the box 'Redirecting Diversion Header Delivery - Outbound".

D.

Review the conversation manager logs on Cisco Unity Connection.

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Question # 15

User A Calls user. The call gets connected, but the quality is bed. What are two reasons for this issue? (Choose two)

A.

Incorrect partition

B.

No region relationship

C.

Network congestion

D.

Incorrect QoS

E.

Incompatible codec

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Question # 16

A Cisco UCM administrator wants to enable the Self-Provisioning feature for end users. Which two prerequisites must be met first? (Choose two.)

A.

End users must have a secondary extension.

B.

Cisco Extended Functions service must be running

C.

End users must belong to Standard CCM Admin Users group, the Standard CCM End Users group, and the Standard CCM Self-Provisioning group.

D.

End users must have a primary extension.

E.

End users must be associated to a user profile or feature group template that includes a universal line template and universal device template.

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Question # 17

What are two access management mechanisms in Cisco Webex Control Hub? (Choose two.)

A.

multifactor authentication

B.

Active Directory synchronization

C.

attribute-based access control

D.

single sign-on with Google

E.

Client ID/Client Secret

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Question # 18

Which actions required for a firewall configuration on a Mobile and Remote Access

through Cisco Expressway deployment?

A.

The traversal zone on Expressway-c points to Expressway-e through the peer address field on the traversal zone, which specifies the Expressway-e server address. For dual NIC deployments, set the Expressway-e address using an FQDN that resolves the IP address of the internal interface

B.

The external firewall must allow these inbound connections to Expressway: SIP: TCP 5061; HTTPS: TCP 8443; XMPP TCP 5222; media: UDP 36002 to 59999

C.

Do not use a shared address for Expressway-e and Expressway-c, as the firewall

cannot distinguish between them. If static NAT for IP addressing on Expressway-e is used, ensure that any NAT operation on expressway-c does not resolve the same traffic IP address. Shared NAT IS not supported

D.

The internal firewall must allow these inbound and outbound connections between

expressway - c and Expressway-e :sip;HTTPS(tunneled over SSH between C and E.

TCP 2222: TCP 7001: Traversal Media: UDP 2776 to 2777(or 36000 to 36011 for large VM/appliance); XMPP:TCP 7400

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Question # 19

What are two features of Cisco Expressway that the customer gets if Expressway-C and Expressway-E are deployed?(Choose two.)

A.

highly secure freal-traversal technology to extend organizational reach.

B.

additional visibility of the edge traffic in an organization.

C.

complete endpoint registration and monitoring capabilities for devices that are local and remote.

D.

session-based access to comprehensive collaboration for remote workers, without the need for a separate VPN client.

E.

utilization and adoption metrics of all remotely connected devices.

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Question # 20

Refer to the exhibit. A customer wants the SIP 200 OK shown to advertise codecs in the following order:

After correcting the codec preferences. What should the audio payload show in the SIP Traces?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Question # 21

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

A.

Ipp bits

B.

IP ECN bits

C.

DCSP bits

D.

802.1 p User Priority bits

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Question # 22

Which behavior occurs when Cisco UCM has a CallManager group that consists of two subscribers?

A.

Endpoints attempt to register with the bottom subscriber in the list.

B.

Endpoints attempt to register with the top subscriber in the list.

C.

Endpoints attempt to register with both subscribers in a load-balanced method.

D.

If a subscriber is rebooted, endpoints deregister until the rebooted system is back in service.

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Question # 23

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?

A.

whether auto-registration is enabled in Cisco UCM

B.

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

C.

whether the phone ts in the correct VLAN

D.

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

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Question # 24

Cisco UCM delays routing of a call during digit analysis with an overlapping dial plan. How long is the default wait time?

A.

5 seconds

B.

10 seconds

C.

15 seconds

D.

20 seconds

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Question # 25

Where is Directory Connector hosted in a Cisco Webex Hybrid Services deployment?

A.

on a server in the Webex Data Center

B.

on a dedicated on-premises server

C.

on a Cisco Expressway-C connector host server

D.

on an on-premises Microsoft Active Directory server

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Question # 26

How many minutes does it take for automatic fallback to occur in a Presence Redundancy Group if the primary node lost a critical service?

A.

5 min

B.

10 min

C.

30 min

D.

60 min

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Question # 27

What is a capability of the call forwarding feature in a Cisco Webex dial plan?

A.

device pool selection

B.

Call Admission Control

C.

business continuity

D.

ringtone selection

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Question # 28

Refer to the exhibit. A collaboration engineer configures Cisco UCM to act as a DHCP server. What must be done next to configure the DHCP server?

A.

Restart the Cisco DHCP Monitor Service under Cisco Unified Serviceability

B.

Add the new DHCP server to the primary DNS server

C.

Restart the TFTP service under Cisco Unified Serviceability.

D.

Add a DHCP subnet to the DHCP server under Cisco UCM Administration.

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Question # 29

In which location does an administrator look to determine which subscriber the phone registers to if loses registration with the current Cisco UCM subscriber?

A.

On Cisco UCM Administration Page Device > Phone > Phone Configuration page

B.

On Cisco UCM Administrator Page server > Cisco UCM

C.

On Cisco UCM Administrator page system > Device Pool > Cisco UCM group

D.

On Cisco UCM Administrator page system > Enterprise Parameters

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Question # 30

Which task is required when configuring self-provisioning for an end user in Cisco UCM?

A.

Enable Auto-Registration.

B.

Associate the end user to the Standard CCM Super Users group

C.

Associate the end user to a SIP Profile.

D.

Disable Auto-Registration.

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Question # 31

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

A.

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.

B.

Use 802, 1Q trunking and 802.1p for proper treatment of Layer 2 CoS packet marking on ports with phones connected.

C.

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

D.

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.

E.

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

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Question # 32

An engineer must configure codec on a Cisco Unified Border Element to prefer the G.711 ulaw and use G.711 codec as the

next The engineer logs In to the CUBE, enters the dial.peer configuration level, and runs the voice-class codec 100 command. Which set of commands completes the configuration?

A.

voice class codec 100 codec g7llalaw preference 1 codec a7Hulaw preference 2

B.

voice class codec 11j codec

C.

vice class codec 100

codec preference 1 g7llulaw

codec preference 2 o711alaw

D.

voice class codec ::: codec g711ulaw g711alaw

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Question # 33

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

A.

Change the common phone profile.

B.

Change the SIP dial rules.

C.

Change the SIP profile.

D.

Change the phone security profile.

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Question # 34

An end user at a remote site is trying to initiate an Ad Hoc conference call to an end user at the main site. The conference bridge is configured to support G.711. The remote user's phone only supports G.729. The remote end user receives an error message on the phone: "Cannot Complete Conference Call." What is the cause of the issue?

A.

The remote phone does not have the conference feature assigned.

B.

A software conference bridge is not assigned.

C.

A Media Termination Point is missing.

D.

The transcoder resource is missing.

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Question # 35

Which SNMP service must be activated manually on the Cisco Unified Communications Manager after installation?

A.

Cisco CallManager SNMP

B.

SNMP Master Agent

C.

Connection SNMP Agent

D.

Host Resources Agent

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Question # 36

End users report bad video quality and voice choppiness on Cisco Collaboration endpoints. The engineer changed the device pool the users were in but did not correct the problem. Which action should be taken to troubleshoot this issue?

A.

Use direct IP address calls between two endpoints to troubleshoot call quality issues.

B.

Restart the Cisco Location Bandwidth Manager service on the Cisco UCM publisher.

C.

Check for duplex/speed mismatches between the network port settings of the system and network switch.

D.

Set the service parameter Use Video Bandwidth Pool for Immersive Video Calls to "false".

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Question # 37

Where in Cisco UCM is restrictions on audio bandwidth configured?

A.

location

B.

partition

C.

region

D.

serviceability

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