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Cisco 350-801 > 350-801 50 3 > Flashcards

350-801 50 3 Flashcards

1
Q

Which configuration step is necessary for a Cisco SIP phone to synchronize its time with a specific
source?
A. Change the Time Zone from “America/Los_Angeles” to “Etc/GMT+8”.
B. Add a phone NTP Reference to the date/time Group.
C. Assign the device to the correct region.
D. Change the time format from 24-hour to 12-hour.

A

Answer B:

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2
Q

What is the maximum DNS SRV entries that should be defined in the SIP Trunk destination address
field in Cisco UCM?
A. 4
B. 8
C. 1
D. 16

A

Answer C

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3
Q

How many DNS SRV entries can be defined in the SIP trunk destination address field in Cisco Unified
Communications Manager?
A. 4
B. 1
C. 8
D. 16

A

Answer B

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4
Q

As a voice engineer, which two recommendations do you make to your company to optimize Cisco
Unified Communications Manager configuration to reduce the number of toll fraud incidents? (Choose
two.)
A. Inbounds CSS on any gateway typically should have access to internal destinations only and not PSTN destinations.

B. Classify all route patterns as on-net and prohibit on-net to on-net call transfers in Cisco Unified CM
service parameters.
C. Classify all route patterns as on-net or off-net and prohibit off-net call transfers in Cisco Unified CM
Service parameters.
D. Inbound CSS on any gateway typically should have access to internal destinations and PSTN
destinations.
E. Classify all route pattern as off-net and prohibit off-net to off-net call transfers in Cisco Unified CM
service parameters.

A

Answer A,E

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5
Q

What is the most efficient way to configure a speed dial to number 1111 on multiple phones using the
Self-Provisioning feature in Cisco UCM?
A. Configure each phone with the same DN and then configure a speed dial of 1111 on one of the phones
manually by navigating to Devices>Phones and modifying the phone. This will automatically replicate to
all the other phones.
B. Configure the phones with a phone button template that has speed dials then specify 1111 as a speed
dial via BAT>Phones>Add/Update phones web page to specify the speed dial number after the phone is
in Cisco UCM.
C. Configure a universal device template that has speed dials in the phone button configuration field, then
allow the user to specify 1111 as a speed dial via the Cisco Unified Communications Self Care Portal.
D. Configure a universal device template that has speed dials in the phone button configuration field, then
specify 1111 as a speed dial by editing the speed dial within the universal device template.

A

D

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6
Q

Which DTMF relay method configured on a SIP dial-peer will ensure that a media resource is not
invoked by Unified CM for calls to UCCX IVRs?
A. dtmf-relay sip-kpml
B. dtmf-relay rtp-nte
C. sdtmf-relay h245-signal
D. dtmf-relay sip-notify

A

Answer D

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7
Q

Which Cisco Unified Communications Manager service parameter should be enabled to disconnect a
multiparty call when the call initiator hangs up?
A. Block OffNet to OffNet Transfer
B. Drop Ad Hoc Conference
C. H.225 Block Setup destination
D. Enterprise Feature Access code for conference

A

B

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8
Q

Which DiffServ marking is the most likely to drop packets?
A. AF32
B. AF12

C. AF11
D. AF13

A

D

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9
Q

On which Cisco Unified Communications Manager nodes can the TFTP service be enabled?
A. Any node
B. Any subscriber nodes
C. Only nodes that have Cisco Unified CM service enabled
D. Any two node

A

D

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10
Q

An engineer must manually provision a Cisco IP Phone 8845 using SIP.
Which two fields must be configured for a successful provision? (Choose two.)
A. Media resources group list
B. SIP profile
C. CSS
D. Location
E. Device security profile

A

B,E

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11
Q

Configuration of DNS is required to achieve a fully functional Cisco UCM system Cisco UCM uses
DNS to resolve fully qualified domain names to IP addresses for which destinations?
A. Application server name
B. Primary TFTP Server for option 150
C. Cisco Unified Communications Manager Name
D. Sip trunk

A

D

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12
Q

Refer to the exhibit.

An administrator configures fax dial-peers on a Cisco IOS gateway and finds that faxes are not working
correctly.
Which change should be made to resolve this issue?
A. codec g723ar63
B. codec g729br81
C. codec g726r32
D. codec g711ulaw

A

D

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13
Q

Refer to the exhibit.

Which codec should an engineer select for a call mode between “Dallas-REG” & “Austin-REG”?
A. MP4A-LATM
B. G.729
C. OPUS
D. G.711

A

B

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14
Q

An administrator is configuring LDAP for Cisco UCM with Active Directory integration. A customer has
requested to use ‘ipphone’ instead of ‘telephoneNumber ’ as the phone number attribute. Where does the
administrator specify this attribute mapping in Cisco UCM?
A. LDAP directory custom user fields
B. LDAP Authentication
C. LDAP directory user fields
D. LDAP custom Filter

A

C

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15
Q

Why would we not include an end user’s PC device in a QoS trust boundary?
A. The end user could incorrectly tag their traffic to bypass firewalls.
B. There is no reason not to include an end user’s PC device m a QoS trust boundary
C. The end user may incorrectly tag their traffic to be prioritized over other network traffic
D. The end user could incorrectly tag their traffic to advertise their PC as a default gateway.

A

C

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16
Q

Refer to the exhibit.

A Cisco UCM user with directory number 4401 dials 5507. and the call is routed to a Cisco Unified Border
Element.
Which IP address will the call be sent to?
A. 10.0.0.3
B. 10.0.0.1
C. 10.0.0.2
D. 10.0.0.4

A

C

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17
Q

When setting a new primary DNS server in the Cisco UCM CLI what is required for the change to
take affect?
A. restart of CallManager service
B. restart of DirSync service
C. restart of the network service
D. restart of TFTP service

A

C

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18
Q

Cisco Telepresence SX80 suddenly has issues displaying main video to a display over HDMI.
Which command can you use from the SX80 admin CLI to check the video output status to the monitor?
A. xStatus HDMI Output
B. xStatus video Output
C. xconfiguration video Output
D. xcommand video status

A

B

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19
Q

An administrator is integrating a Cisco Unity Express module to a Cisco UCME system A test call is
placed to the Cisco Unity Express pilot number, but the administrator receives a busy signal.
The dial-peer is configured as follows: PIC

How is this issue resolved?
A. The dial-peer needs to be reconfigured to support the G.711 voice codec.
B. The dial-peer needs to be reconfigured to support vad.
C. The destination pattern needs to be changed to match the dialed number of 4100.
D. The dial-peer needs to be reconfigured to support H 323 instead of SIP.

A

A

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20
Q

Which IP precedence value maps to DSCP EF?
A. 0
B. 1
C. 3
D. 5

A

D

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21
Q

Which description of the Mobile and Remote Access feature is true?
A. Collaboration Edge feature that enables remote individuals to perform international calls from Jabber
with a VPN connection
B. Collaboration Edge feature that enables remote individual to access enterprise collaboration services
via Jabber with the use of a VPN connection
C. Collaboration Edge feature that enables remote individuals to access enterprise collaboration services
via Jabber without the use of a VPN connection
D. Collaboration Edge feature that enables remote individuals to access all enterprise collaboration
services using a PC within the corporate environment

A

C

22
Q

Which protocol is used between Cisco Jabber clients for instant messaging and presence?
A. Jabber
B. P2P
C. SIP/SIMPLE
D. XMPP

A

C

23
Q

Which packet delay is the maximum supported between Cisco Unified Communications Manager
nodes for clustering over WAN deployments?

A. 80 ms round trip
B. 40 ms round trip
C. 510 ms round trip
D. 150 ms round trip

A
24
Q

What are two key features of the Expressway series? (Choose two.)
A. VPN connect toward the internal UC resources
B. B2B calls
C. IP to PSTN call connectivity
D. Device registration over the internet
E. SIP header modification

A

B,D

25
Q

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?
A. The incoming calling search space of the SIP trunk does not include the partition of the line in the IP
phone
B. The gateway is configured with the wrong device pool
C. The service parameter related to Öffnet to Offnet Call Transfer is set to TRUE
D. The IP phone is configured with the wrong region

A

C

26
Q

Which DSCP class selector is necessary to mark scavenger traffic?
A. CS1
B. AF21
C. AF11
D. CS2

A

A

27
Q

How are E.164 called-party numbers normalized on a globalized call-routing environment is Cisco
Unified Communications Manger?
A. Normalization is achieved by stripping or translating the called numbers.
B. Call ingress must be normalized before the call being routed.
C. Normalization is not required
D. Normalization is achieved by setting up calling search and partitions at the SIP trunk for PSTN
connection.

A

A

28
Q

Refer to the exhibit.

An administrator accesses the terminal of a Cisco UCM and starts a packet capture.
Which two commands must the administrator use on Cisco UCM to generate DNS traffic? (Choose two.)
A. show version active
B. utils diagnose lest
C. show cdp neighbor
D. utils ntp status
E. utils diagnose module validate_network

A

B E

29
Q

Which field of a Real-Time Transport Protocol packet allows receiving devices to detect lost packets?
A. CSRC (Contributing Source ID)
B. Timestamp
C. Sequence number
D. SSRC (Synchronization identifier)

A

C

30
Q

In an eleven-class queueing model following Realtime. Best effort, and scavenger queuing rules.
What recommended percentage of bandwidth must be allocated for interactive video?
A. 10%
B. 12%
C. 15%
D. 20%

A

C

31
Q

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

A

C

32
Q

An engineer is notified that the Cisco TelePresence MX800 that is registered in Cisco Unified
communications Manager shows an empty panel, and the Touch 10 shows a corresponding icon with no
action when pressed.
Where does the engineer go to remove the inactive custom panel?
A. The phone configuration page in CUCM Administration
B. The SIP Trunk security profile page in CUCM Administration
C. The software Upgrades page in CUCM OS Administration
D. The In-Room control Editor on the webpage of the MX800

A

D

33
Q

How does traffic policing respond to violations?
A. AH traffic is treated equally.
B. Excess traffic is retransmitted.
C. Excess traffic is dropped.
D. Excess traffic is queued.

A

C

34
Q

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. Noting; both sides support G.729.
B. Add a transcoder that supports G.711ualw and G.729.
C. ADD a media termination point that supports G.711ulaw and G.729.
D. Nothing; both sides support payload type.101.

A

B

35
Q

209.Which application traffic does the DiffServ AF41 class according to the Cisco Collaboration System
Solution Reference Network Design?
A. audio call
B. messaging
C. video call
D. signalling

A

C

36
Q

Which statement describes the outcome when the trust boundary is defined at the Cisco IP phone?
A. Packets or Ethernet frames are not remarked by the IP phone.
B. Packets or Ethernet frames are remarked at the distribution layer switch.
C. Packets of Ethernet frames are remarked at the access layer switch.
D. Packets of Ethernet frames are not remarked at the access layer switch.

A

D

37
Q

A call to an international number has failed.
Which action corrects this problem?
A. Assign a transcoder to the MRGL of the gateway.
B. Strip the leading 011 from the called party number
C. Add the bearer-cap speech command to the voice port.
D. Add the isdn switch-type primart-dms100 command to the serial interface

A

B

38
Q

Which two protocols should be configured for the cisco unity connection and cisco UCM integration?
A. SIP
B. H.323
C. MGCP
D. RTP
E. SCCP

A

A E

39
Q

An engineer is configuring a Cisco Unified Border Element to allow the video endpoints to negotiate
without the Cisco Unified Border Element interfering in the process.
What should the engineer configure on the Cisco Unified Border Element to support this process?
A. Configure path-thru content sdp on the voice service.
B. Configure a hardcoded codec on the dial peers.
C. Configure a transcoder for video protocols.
D. Configure codec transparent on the dial peers.

A

D

40
Q

When a remote office location is set up with limited bandwidth resources, which codec carries the
most voice calls?
A. G.722
B. G.711
C. G.723
D. G.729

A

D

41
Q

Which program is required to deploy the Cisco Jabber client on an on-premises Cisco collaboration
solution?
A. Cisco Expressway-C
B. Cisco UCM IM and Presence
C. Cisco Unity Connection
D. Cisco UCM

A

D

42
Q

Configuration of DNS is required to achieve a fully functional Cisco UCM system.
Cisco UCM uses DNS to resolve fully qualified domain names to IP addresses for which destinations?
A. H.323
B. trunk
C. AAR
D. MRA

A

B

43
Q

What is a characteristic of video traffic that governs QoS requirements for video?
A. Video is typically constant bit rate.

B. Voice and video are the same, so they have the same QoS requirements.
C. Voice and video traffic are different, but they have the same QoS requirements.
D. Video is typically variable bit rate.

A

D

44
Q

Which description of the function of call handlers in Cisco Unity Connection is true?
A. They control outgoing calls by allowing you to specify the numbers that Cisco Unity Connection can
dial to transfer calls, notify users of massages, and delivery faxes.
B. They collect information from callers by playing a series of questions and recording the answers.
C. They answer calls, take message, and provide menus of options.
D. They provide access to a corporate directory by playing an audio list that users and outside callers
users and leave messages.

A

C

45
Q

An administrator would like to set several Cisco Jabber configuration parameters to only apply to
mobile clients (iOS and Android).
How does the administrator accomplish this with Cisco Jabber 12.9 and Cisco UCM 12.5?
A. Assign the desired configuration file to “Mobile” Jabber Client Configuration in the Service Profile.
B. Deploy jabber-config-user.xml on iOS and Android devices.
C. Upload the jabber-config.enc file to TFTP
D. Create a user profile in Jabber Policies.

A

A

46
Q

What is the element of Cisco collaboration infrastructure that allows Jabber clients outside of the
network to register in Cisco Unified communications Manager and use its resources?
A. Cisco Expressway
B. Cisco prime collaboration provisioning server
C. Cisco Unified Border Element
D. Cisco IM and Presence node

A

A

47
Q

Refer to the exhibit

An engineer must configure DHCP service on the cisco service on the Cisco UCM.
In which filed must the engineer configure the server IP to provide the configuration files to the endpoint?
A. Primary Router IPv4 Address
B. Primary TFTP Server IPv4 Address (Option 150)
C. Primary Start IPv4 Address
D. Bootstrap Server IPv4 Address

A

B

48
Q

Refer to the exhibit.

The SOP offer/answer has been completed successfully but there is no DTMF when users press keys.
What is the cause of the issue?
A. DTMF was negotiated properly in these messages.
B. Payload type 110 was negotiated rather than type 101.

C. G.729 rather than G.711ulaw was negotiated.
D. DTMF was not negotiated on the call.

A

D

49
Q

Refer the exhibit.

Given this “debug isdn q921” output, what is the problem with the PRI?
A. Layer 1 is down on the controller.
B. PRI does not have an IP address configured on the interface.
C. Noting, the PRI is sending keepalives.
D. Layer 2 is down on the controller.

A

D

50
Q

A customer has Cisco Unity Connection that is integrated with LDAP. As a unity connection
administrator, you have received a request to change the first name for VM user. Where must the change
be performed?
A. Cisco unity connection
B. Cisco IM and presence
C. Cisco Unified Communications Manager end user
D. Active directory

A

D

Cisco 350-801 (5 decks)

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