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300-815 Questions and Answers

Question # 6

An engineer set up and successfully tested a TEHO solution on the Cisco UCM. PSTN calls are routed correctly using the IP WAN as close to the final PSTN destination as possible. However, suddenly, calls start using the backup local gateway instead. What is causing the issue?

A.

WAN connectivity

B.

LAN connectivity

C.

route pattern

D.

route list and route group

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Question # 7

An engineer needs to configure a translation pattern in Cisco UCM to match dialed numbers that start with 9011 so that the calls can be routed with a single route pattern of VH If the engineer uses translation pattern 9011.! which two called party transformation settings must be configured in Cisco UCM? (Choose two.)

A.

set Prefix Digits (Outgoing Calls) to +

B.

set Called Party Transform Mask to +!

C.

set Discard Digits to Predot

D.

set Called Party Numbering Plan to International

E.

set Called Party Number Type to International

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Question # 8

Why would RTP traffic that is sent from the originating endpoint fail to be received on the far endpoint?

A.

The far end connection data (c=) in the SDP was overwritten by deep packet inspection in the call signaling path.

B.

Cisco Unified Communications Manager invoked media termination point resources.

C.

The RTP traffic is arriving beyond the jitter buffer on the receiving end.

D.

A firewall in the media path is blocking TCP ports 16384-32768.

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Question # 9

Which two statements are correct with respect to the Client Matter Code setting in the route pattern configuration? (Choose two.)

A.

The Client Matter Code feature does not support overlap sending because the Cisco Unified CM cannot determine when to prompt the user for the code.

B.

If you check the Allow Overlap Sending check box, the Require Client Matter Code check box becomes

disabled.

C.

If you check the Allow Overlap Sending check box, you can also check the Require Client Matter Code check box.

D.

The Client Matter Code feature does support overlap sending because the Cisco Unified Communications Manager can determine when to prompt the user for the code.

E.

The Client Matter Code has the option to configure Authorization Level such as in the Forced Authorization Code.

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Question # 10

What is the relationship between partition, time schedule, and time period in Time-of-Day routing in Cisco Unified Communications Manager?

A.

A partition can have multiple time schedules assigned. A time schedule contains one or more time periods.

B.

A partition can have one time schedule assigned. A time schedule contains one or more time periods.

C.

A partition can have multiple time schedules assigned. A time schedule contains only one time period.

D.

A partition can have one time schedule assigned. A time schedule contains only one time period.

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Question # 11

An engineer is implementing survivability for a collaboration environment. The environment is utilizing a centralized Cisco UCM at the headquarters and Cisco IOS-XE gateways in the remote branches. Which action must the engineer take to enable both shared lines and B-ACD for SIP branch phones during a WAN outage?

A.

Configure mode srst under telephony-service configuration mode.

B.

Configure mode esrst under telephony-service configuration mode.

C.

Configure mode esrst under voice register global configuration mode.

D.

Configure mode esrst under voice service voip configuration mode.

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Question # 12

Which two types of distribution algorithm are within a line group? (Choose two.)

A.

random

B.

circular

C.

highest preference

D.

top down

E.

bottom up

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Question # 13

What are two configureation features of the Client matter code setting in the route pattern configuration? (Choose two.)

A.

The client Matter Code feature supports overlap sending since the Cisco UCM can determine when to prompt the user for the code.

B.

Selecting the Allow Overlap Sending setting disables the Require Client Matter Code setting.

C.

The Client Matter Code feature provides the option to configure Authorization Level susch as in the Forced Authorization Code.

D.

Selecting the Allow Overlap Sending setting allows a user to select the Require Client Matter Code setting.

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Question # 14

An engineer needs to deploy Cisco Extension Mobility. The engineer already activated the required services, configured the Extension Mobility Phone Service, and created an Extension Mobility device profile that is associated with end users. Which two additional steps are required to complete the configuration? (Choose two.)

A.

Subscribe IP phones to the Extension Mobility Phone Service.

B.

Consolidate Cisco UCM certificates by using Bulk Certificate Management.

C.

Subscribe directory numbers to the Extension Mobility Phone Service.

D.

Subscribe the device profile to the Extension Mobility Phone Service.

E.

Define the default Device Template on IP phones when users log out.

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Question # 15

The SIP session refresh timer allows the RTP session to stay active during an active call. The Cisco UCM sends either SIP-INVITE or SIP-UPDATE messages in a regular interval of time throughout the active duration of the call. During a troubleshooting session, the engineer finds that the Cisco UCM is sending SIP-UPDATE as the SIP session refresher, and the engineer would like to use SIP-INVITE as the session refresher. What configuration should be made in the Cisco UCM to achieve this?

A.

Enable SIP ReMXX Options on the SIP profile.

B.

Enable Send send-receive SDP in mid-call INVITE on the SIP profile.

C.

Change Session Refresh Method on the SIP profile to INVITE.

D.

Increase Retry INVITE to 20 seconds on the SIP profile.

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Question # 16

An engineer is troubleshooting local ringback on a Cisco SIP gateway The gateway is not ignoring the SIP 180 response with SDP from the service provider, and the far end device is sending the 180 with SDP to play ringback from the IP address specified m the SDP Which configuration change must be made on the gateway to resolve the issue?

A.

Router(conf-voi-serv)# dlisable-early-media 180

B.

Router(conftg-sip-ua)# disable-early-media 180

C.

Router(con(-voi-serv)# no disable-early-media 180

D.

Router(config-sip-ua)# no disable-early-media 180

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Question # 17

Which two extended capabilities must be configured on dial peers for fast start-to-early media scenarios

(H.323 to SIP interworking)? (Choose two.)

A.

DTMF

B.

BFCP

C.

VIDEO

D.

FAX

E.

AUDIO

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Question # 18

The same digits sent in OOB, as well as in-band on the Cisco Unified Border Element, are being interpreted as duplicate digits by the receiving end. Which configuration must an engineer implement to resolve this issue?

A.

DTMF Relay SIP-KPML

B.

DTMF Relay SIP-Notify

C.

DTMF Relay RTP-nte

D.

DTMF Relay Digit-Drop

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Question # 19

What are the elements for Device Mobility configuration?

A.

physical location, device pool, and Device Mobility group

B.

device pool, Device Mobility group, and region

C.

physical location. Device Mobility group, and region

D.

device pool, Device Mobility group, and Cisco IP phone

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Question # 20

Configure Call Queuing in Cisco Unified Communications Manager. Where do you set the maximum number of callers in the queue?

A.

in the telephony service configuration

B.

in the queuing configuration

C.

in Cisco Unified CM Enterprise Parameters

D.

in Cisco Unified CM Service Parameters

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Question # 21

Which call pickup feature allows users to pick up incoming calls in a group that is associated with their own group?

A.

Other Group Pickup

B.

BLF Call Pickup

C.

Group Call Pickup

D.

Directed Call Pickup

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Question # 22

Refer to the exhibit.

The Cisco Unified Border Element receives an INVITE matching inbound dial peer 5002. The outbound dial peer supports only iLBC. and a Local Transcoding Interface is allocated. Based on the configuration and SDP from the INVITE message, which codec is chosen by Cisco Unified Border Element for the inbound call leg?

A.

G.711 A-law

B.

G.711 U-law

C.

G.729r8

D.

G.729br8

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Question # 23

What is first preference condition matched in a SIP-enabled incoming dial peer?

A.

incoming uri

B.

target carrier-id

C.

answer-address

D.

incoming called-number

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Question # 24

A customer wants to configure their team of 10 agents to answer incoming calls to a common central number. The phone for each team member must ring in sequence and ring four times before moving to the next member's phone. Drag and drop the steps from the left into the order on the right to make this happen.

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Question # 25

Refer to the exhibit.

An administrator is troubleshooting why users are not hearing audio when dialing long distance numbers across their Cisco Unified Border Element. The customer’s carrier has a requirement that dialing long distance requires an access code to be entered. Looking at the exhibit, what two actions can be taken to correct signaling? (Choose two.)

A.

Enable PRACK.

B.

Enable Early Offer on the Cisco Unified Border Element.

C.

Enable the supplementary-service media-renegotiate command.

D.

Enable Media Flow Around

E.

Enable Mid-Call Signaling Consumption.

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Question # 26

A user reports when they press the services key they do not receive a user ID and password prompt to assign the phone extension. Which action resolves the issue?

A.

Create the default device profiles for all phone models that are used.

B.

Subscribe the phone to the Cisco Extension Mobility service.

C.

Create the end user and associate it to the device profile.

D.

Assign the extension as a mobile extension.

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Question # 27

Where is the dtmf-relay command configured on Cisco Unified Border Element?

A.

in the voice-class VoIP configuration

B.

in the VoIP dial peer

C.

in global SIP configuration

D.

in the VoIP or POTS dial peers

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Question # 28

A company has an SRST gateway running an IOS XE image. The company plans to enable the IPv6 addressing companywide. To enable the IPv6 in a unified SRST gateway to support SIP phones, what are two supported supplementary features for an IPv6 fallback scenario? (Choose two.)

A.

three-way conference

B.

secure SIP lines

C.

T.38 fax relay

D.

transcoding

E.

SIP trunk

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Question # 29

An administrator is working on an issue between the customer s Cisco Unified Border Element and the service provider. The provider only wants to see mid-call signaling from the Cisco Unified Border Element for fax calls. Which command must be configured on Cisco Unified Border Element?

A.

midcall-signallng passthru

B.

midcall-signaling preserve-codec

C.

no update-callerid

D.

midcall-signaling passthru media-change

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Question # 30

A customer is using a SIP trunk to route calls to ITSP to decrease the possibility of downtime, the customer invested in a failover device How does the customer ensure reachability to ITSP, so that if one device on ITSP fails, the calls will be routed to another device?

A.

Enable transmit security status on the SIP security profile

B.

Enable ANAT on the SIP profile.

C.

Monitor the link using network management toots, and if it fails, manually change the routing to another working device.

D.

Enable SIP Option Ping on the SIP profile.

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Question # 31

Refer to the exhibit.

An administrator is troubleshooting a problem in which some outbound calls from an internal network to the Internet telephony service provider are not getting connected, but some others connect successfully. The firewall team found that some call attempts on port 5060 came from an unrecognized IP that has not been defined in the firewall rule. What should the administrator configure in the Cisco Unified Border Element to fix this issue?

A.

use of port 5061 for SIP secure

B.

access list allowing the firewall IP

C.

ip prefix-list to filter the unwanted IP address

D.

bind signaling and media to the loopback interface

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Question # 32

Refer to the exhibit.

For long-distance calls, users must prefix their dialed number with “91.” The translation pattern was created to strip the 91 as the PSTN expects a 10- digit number. The PSTN also requires the calling number to be set to 9195551234. However, the service provider has said calls with a different calling number are being received. How is this issue resolved?

A.

Change the partition of the translation pattern from none to pstn_pt.

B.

Enable Force Authorization Code on the route pattern.

C.

Disable Use Calling Party's External Phone Number Mask on the route pattern.

D.

Enable Use Calling Party's External Phone Number Mask on the translation pattern.

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Question # 33

Which two types of authentication are supported for the configuration of Intercluster Lookup Service? (Choose two.)

A.

TokenID

B.

username and secret key

C.

TLS certificates

D.

passwords

E.

FQDN of the servers defined in DNS

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Question # 34

An engineer configured extension mobility to allow users to roam between phones while taking their numbers and specific device settings with them. Users are now getting "Error:- XML Error [4| Parse Error" on their phones. Which action will resolve this issue?

A.

Set service provisioning lo internal.

B.

Lower the number of concurrent requests.

C.

Verify that the URL Is correctly configured.

D.

Set service provisioning to default.

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Question # 35

Refer to the exhibit.

A company needs to ensure that all calls are normalized to ♦ E164 format. Which configuration will ensure that the resulting digit string ♦14085554001 is created and will be routed to the E.164 routing schema?

A.

Called Party Transformation Mask of + 14085554XXX

B.

Called Party Transformation Mask of ♦1408555[35)XXX

C.

Calling Party Transformation Mask of +1408555XXXX

D.

Calling Party Transformation Mask of +14085554XXX

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Question # 36

An administrator wants to use the Call Queuemg feature on Cisco UCM to allow new customers to wait in the queue while other agents are not available to take their call. Which configuration step enables this feature?

A.

Call Routing > Route/Hunt > Call Park

B.

Call Routing > Route/Hunt > Hunt Pilot

C.

Call Routing > Route/Hunt > Line Group

D.

Call Routing > Route/Hunt > Hunt List

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Question # 37

When you troubleshoot H.323 call setup, which message informs you that the called party is being notified about the call?

A.

ALERTING

B.

PROCEEDING

C.

CONNECT

D.

RINGING

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Question # 38

An organization needs to ensure that the Cisco UCM can provide a resume softkey to users on their desk phones when they disconnect an anchored call on their mobile phone. Which solution must be used to accomplish these goals?

A.

Set the "Retain Media on Disconnect with PI for Active Call" service parameter to False.

B.

Set the "Retain Media on Disconnect with PI for Active Cal" service parameter to True

C.

Configure a handoff number.

D.

Add Other Dual-Mode Device.

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Question # 39

A company wants to use a Cisco phone system without the need for a local generic server. It is maximum 30 phones using a vendor-independent, industry-standard call protocol. What is the first command that must be entered to add this type of phone when registering a Cisco phone to this device?

A.

ephone 3

B.

voice register pool 3

C.

voice register sip ephone 3

D.

voice register ephone 3

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Question # 40

An administrator is implementing a new dial-plan on Cisco Unified Border Element. The administrator must ensure that incoming dial-peers are matched based on the IP address from where the incoming request originates. Which dial-peer configuration should be applied to accomplish this requirement?

A.

dial-peer voice 1 voip

incoming url via

B.

dial-peer voice 1 voip

incoming url request

C.

dial-peer voice 1 voip

incoming called-number

D.

dial-peer voice 1 voip

incoming url to

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Question # 41

Which action is correct with respect to toll fraud prevention configuration in the Cisco Unified Communications Manager Express?

A.

Configure Direct Inward Dial for Incoming ISDN Calls with overlap dialing.

B.

Configure IP Address Trusted Authentication for Incoming VoIP Calls.

C.

Configure the command no ip address trusted authenticate under “voice service voip”.

D.

Enable Secondary Dial tone on Analog and Digital FXO Ports.

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Question # 42

An administrator sees the voice register pool 1 command in a Cisco UCME configuration. Which configuration is occurring in this section?

A.

configuration for a pool of SIP phones (similar to device pool on Cisco UCM)

B.

configuration for a single SIP phone

C.

configuration for SIP registrar service

D.

configuration items common for all SIP phones

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Question # 43

When the services key is pressed Cisco Extension Mobility does not show up. What is the cause of the issue?

A.

The URL configured for Cisco Extension Mobility is not correct.

B.

Cisco Extension Mobility Service is not running.

C.

The phone is not subscribed to Cisco Extension Mobility Service.

D.

Cisco Extension Mobility is not enabled in the Phone Configuration Window (Device > Phone)

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Question # 44

An engineer needs to deploy the local route group feature to a Cisco UCM server by using the standard local route group. For each device pool, the engineer needs to specify a different PSTN access for emergency calls. What must the engineer do?

A.

Add a new standard local route group. Select a route group as the new standard local route group in Device Pools. Create a route pattern of 911 that points to a route list that contains the new standard local route group.

B.

Create a new local route group name. In Device Pools, select a route group for that new local route group. Create a route pattern of 911 that points to a route list that contains the new local route group.

C.

Set a new local route group name. Select a route group as the new local route group in Device Pools. Create a route pattern of 911 that points to the new local route group.

D.

Add a new standard local route group. Select a route group as the new standard local route group in Device Pools. Create a route pattern of 911 that points to the new standard local route group.

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Question # 45

Refer to the exhibit.

DN 1003 was the last to ring during the most recent call. Which hunting method ensures that DN 1005 is presented with the next call when the hunt pilot is dialed?

A.

call-blast

B.

parallel

C.

sequential

D.

peer

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Question # 46

Refer to the exhibit.

In an active SIP call between phone user A and phone user B, phone A initiates a call transfer to phone user C. Which two scenarios are correct? (Choose two.)

A.

Phone_A sends a SIP-REFER message to the Cisco Unified Communications Manager with Phone_C information in the Refer-To section.

B.

Phone_B sends a SIP-REFER message to the Cisco Unified CM with Phone_C information in the Refer-To section.

C.

As soon as Phone_A presses the Transfer button for the first time, Phone_B hears the MOH and the MOH audio is chosen from Phone_B User Hold MOH Audio Source settings.

D.

As soon as Phone_A presses the Transfer button for the first time, Phone_B hears the music on hold and the MOH audio is chosen from Phone_A Network Hold MOH Audio Source settings.

E.

As soon as Phone_A presses the Transfer button for the first time, Phone_B hears the MOH and the MOH audio is chosen from Phone_A User Hold MOH Audio Source settings.

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Question # 47

When a third-party SIP Phone System is dialed inbound across a Cisco Unified Border Element, DTMF is failing. The third-party vendor accepts only out-of-band DTMF. Which configuration should be added to the outgoing dial peer to resolve this issue?

A.

dtmf-relay h245-signal

B.

dtmf-relay rtp-nte

C.

dtmf-relay cisco-rtp

D.

dtmf-relay sip-kpml

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Question # 48

An administrator is trying to apply configuration changes on Cisco CME. When the users registered on Cisco CME to dial a local number to a PSTN call, the Cisco CME sends an incorrect number of digits. What translation rule fixes the issue and sends the correct number of digits?

A.

voice translation-rule 1

rule 1 /^4...$/2404\0/ type any national plan any Isdn

B.

voice translation-rule 1 rule 1 // // type any subscriber plan any isdn

C.

voice translation-rule 1 rule 1 /^4...S/ /9132404 0/ type any subscriber plan any Isdn

D.

voice translation-rule 1

rule 1 /^4...V /2404\0/ type any subscriber plan any isdn

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Question # 49

A customer reports audio quality issues between video endpoints in the HQ location in California and one of the branches in Texas. Which two actions must RTCP take to troubleshoot this issue? (Choose two.)

A.

Compress the headers of RTP traffic to lower the bandwidth consumption over the WAN. which allows more calls with less bandwidth consumed.

B.

Configure the rtcp keepalive command in Cisco Unified Border Element to generate reports, which can be reviewed using the debug voip rtcp packet command.

C.

Allow for VAD to be used for calls using the G7.29 codec, which reduces the usage of the WAN bandwidth and saves around 30% of bandwidth per call.

D.

Encrypt the media to stop rogue devices from replying and putting that traffic back on the WAN, which avoids any extra bandwidth and ensures the quality of the calls.

E.

Gather statistics on a media connection and information such as packets sent, lost packets, jitter, feedback, and round-trip delay. This information can help isolate the type of audio quality issues and the direction of the affected traffic.

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Question # 50

Refer to the exhibits.

Regions have been configured for all major branches based on the available circuit bandwidth. Some calls from Region A endpoints to Region B endpoints are failing to connect. How is this issue resolved?

A.

Update the calling search space for affected endpoints to none.

B.

Add a media resource to transcode between available capabilities.

C.

Update all regions to 8 kbps maximum audio bitrate.

D.

Increase the number of available media termination points.

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Question # 51

Refer to the exhibit. Calls from users to the PSTN in an organization get disconnected with a 408 Request Timeout when the called party is unavailable to pick up the call. Which solution must be used to resolve this challenge?

A.

Configure midcall-signaling preserve-codec.

B.

Choose "Send PRACK" if 1xx contains SDP in the SIP profile.

C.

Configure midcall-signaling passthru media-change

D.

Choose "Send PRACK for all 1xx Messages" in the SIP profile.

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Question # 52

Refer to the exhibit.

Calls incoming from the provider are not working through newly set up Cisco Unified Border Element. Provider engineers get the 404 Not Found SIP message. Incoming calls are coming from the provider with called number “222333444” and Cisco Unified Communications Manager is expecting the called number to be delivered as “444333222”. The administrator already verified that the IP address of the Cisco Unified CM is set up correctly and there are no dial peers configured other than those shown in the exhibit. Which action must the administrator take to fix the issue?

A.

Change the destination-pattern on the outgoing dial peer to match “444333222”.

B.

Set up translation-profile on the incoming dial peer to match incoming traffic.

C.

Create specific matching for “222333444” on the incoming dial peer.

D.

Fix the voice translation-rule to match specifically number “222333444” and change it to “444333222”.

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