Cisco 300-080 Study Guides 2021

NEW QUESTION 1

You are troubleshooting video quality issues on a Cisco TelePresence TX9000 Series system. Which CLI command shows the total number of lost video packets and the received jitter during a Call in progress?

• A. show call statistics video
• B. show call statistics all
• C. show call statistics detail
• D. show call statistics video detail

Answer: D

NEW QUESTION 2

You enabled Cisco Unified Mobile Connect for a user, but the user is unable to send calls to a mobile phone from the desk phone. What do you do to resolve the issue?

• A. Restart the phone, and verify that the key is present.
• B. Under User Management > User, make sure that the Mobility option is selected.
• C. Make sure that the phone is subscribed to Extension Mobility.
• D. Add the mobility key to the softkey template that the phone is currently using.

Answer: D

NEW QUESTION 3

Cisco TelePresence System EX90-A anDEX90-B are in a Call. EX90-A tries to call EX90-C. When the call is dialed, EX90-B is put on hold. EX90-A anDEX90-C are connected, but there is no merge button on the touch panel. What is causing this issue?

• A. The multisite option key is missing.
• B. The multisite configuration is missing.
• C. The conference option key is missing.
• D. The conference configuration is missing.
• E. CiscoTelePresence systems cannot make multipoint calls without a Cisco TelePresence Server.
• F. The multipoint option key is missing.

Answer: A

NEW QUESTION 4

Jabber for Windows or MAC Soft Client fails to register with Cisco Unfed Communications Manager. This
excerpt is seen in the client logs.
DEBUG [0x0000700002f25000][ipcc/core/sipstack/ccsip_register.c(707)] [csf.sip-call-control][ccsip_get_exp_time_2xx]-SIPCC-SIP_REG:51/1,
ccsip_get_exp_time_2xx:Warning-Registration period received (120) minus configured timer_register_delta
(120) is less than 20 seconds.
DEBUG
[0x0000700002f25000][ipcc/core/sipstack/ccsip_register.c(391)][csf.sip-call-control][sip_reg_sm_change_state]
– SIPCC-SIP_STATE:51/1, sip_reg_sm_change_state: Registration state change: SIP_REG_STATE_REGISTERING---->SIP_REG_STATE_UNREGISTERING
Which configuration item needs to be adjusted to correct this condition?

• A. Unified CM Device Assigned SIP Profile “Timer Register Delta”
• B. Unified CM Device Assigned SIP Profile “2XX Expiry Timer”
• C. Unified CM Service Parameter “Station KeepAlive Interval”
• D. “KeepAlive_Timer” parameter in jabber-config xml file

Answer: B

NEW QUESTION 5


Refer to the exhibit. Audio calls from ACSF device fail. Which command set likely resolves the issue?

• A. configure terminal voice-port 0/1/0:15 output attenuation -4
• B. configure terminal controller e1 0/1/0 bearer-cap speech
• C. configure terminal interface serial 0/1/0:15 output attenuation -4
• D. configure terminal voice-port 0/1/0:15 bearer-cap speech

Answer: B

NEW QUESTION 6

Two phones in the same cluster and at the same site have a Call currently connected. The site local H.323 PSTN gateway loses connection with Cisco Unified Communications Manager. Which two results do you expect? (Choose two.)

• A. SRST is active, and all the phones enter SRST mode.
• B. No incoming and outgoing calls are possible.
• C. Cisco Unified SRST is able to receive incoming calls.
• D. The current call is not disconnected.
• E. The phones display "CM Fallback Service Operating."

Answer: BD

NEW QUESTION 7

In a network with two Cisco Unified Communications Manager clusters, Phone 1 on Cluster A dials jsmith@cisco.com to reach Phone 2 on Cluster B, and the call fails. What are two possible causes for this problem? (Choose two.)

• A. Cluster A does not have a SIP trunk to reach Cluster B.
• B. Cisco UDS is not enabled on Cluster B.
• C. Cluster BDoes not have a SIP trunk to reach Cluster A.
• D. The calling space on Phone 1 contains the partition with a pattern that matches jsmith@cisco.com
• E. Cisco UDS is not enabled on Cluster A.

Answer: AC

NEW QUESTION 8

After you deploy cisco Unified Commutations Manager Device Mobility in your environment, you note that phones in a remote site are failing to register. Which two actions correct the problem? (Choose two.)

• A. Verify that the remote site is assigned to the device mobility group that matches its dialing pattern.
• B. Verify that the phones are attempting to register with the correct megACluster in the device pool of thecentral office.
• C. Verify that extension mobility is configured correctly for the remote site.
• D. verify that the LDAP server is configured to support device Mobility at the remote site.
• E. verify that the subnet of the remote site is configured in device mobility info.

Answer: CE

NEW QUESTION 9

Which Cisco Unified Communications Manager troubleshooting tool can be used to determine the digit
manipulation path a Call takes within the Cisco Unified Communications Manager system from the perspective of a specific directory number, without having the actual device at hand?

• A. Cisco Unified Communications Manager Serviceability
• B. Cisco Unified Communications Manager Dialed Number Analyzer
• C. Cisco Unified Communications Manager Real Time Monitoring Tool
• D. Cisco Unified Syslog Viewer
• E. Cisco IOS debugs

Answer: B

NEW QUESTION 10

Cisco Unified Communications Manager is deployed in a head office and also provides telephony services to remote regional offices. What is a possible cause of call setup issues with phones in the regional offices?

• A. remote office firmware for phones
• B. codec mismatch in region information settings
• C. end user roles and groups
• D. physical location configuration

Answer: B

NEW QUESTION 11

Which Cisco IOS command is used to display information for active connections that are controlled by the Media Gateway Control Protocol?

• A. show mgcp connection
• B. show mgcp statistics
• C. show mgcp endpoint
• D. show mgcp nas

Answer: A

NEW QUESTION 12

An engineer created an inter site link in cisco unity connection by using the Cisco Unity Connection Site by manually exchanging configuration files option. The error appears "Hostname entered does not match that on the remote site certificate". What is the one cause of the issue?

• A. The inter site location is a member of the same cisco unity connection site
• B. The FQDN does not match the remote site gateway configuration file.
• C. The FQDN does not match the server name on the remote site gateway web SSL certificate.
• D. A partition is missing from search spaces on the Cisco Unity Connection location.
• E. DNS is not configured on the Cisco Unity Connection site gateway.

Answer: C

NEW QUESTION 13

Refer to Exhibit:

What protocol was used in this call?

• A. H.323
• B. SCCP
• C. MGCP
• D. SIP

Answer: D

NEW QUESTION 14

You are configuring the Call Control Discovery feature. You need to configure Hosted DN Group Configuration settings. What is the range of values that you can define in the PSTN Failover Strip Digits field?

• A. 0-10
• B. 0-12
• C. 0-14
• D. 0-16
• E. 0-18
• F. 0-20

Answer: D

NEW QUESTION 15

You have configured a new MGCP gateway on your Cisco Unified Communications Manager servers but the endpoints are shown with status "None”.
What are two possible solutions for this registration issue? (Choose two)

• A. Configure the voice-VLAN interface of the MGCP gateway with mgcp-gateway voip interface command to set the source IP address of the MGCP packets correctly.
• B. Ensure that you have configured the mgcp call-agent command with the Cisco Unified Communications Manager server address or hostname.
• C. Enable the endpoint voice interface for backhauling in interface configuration mode with the isdn bind-l3 ccm-manager command
• D. Ensure that you have configured the ccm-manager call-agent command with the correct Cisco Unified Communications Manager server address or hostname.
• E. Activate the MGCP Feature service on all call-processing servers in the cluster.

Answer: BD

NEW QUESTION 16

Two Cisco DX80 collaboration endpoints that support high-definition video are registered to a Cisco Unified Communications Manager in a single-site deployment model. However, the video that is displayed is pixelated and appears as sub-HD. To enable the Cisco DX80s to make high-definition video calls, which configuration option do you check?

• A. Check the configuration in the Cisco DX80 settings menu, anDEnable high-definition video.
• B. Check the Maximum Session Bit Rate for Video Calls in the Cisco Unified Communications Manager Regions Configuration.
• C. Check that Video Capabilities are enabled under the Product Specific Configuration area for the device in Cisco Unified Communications Manager.
• D. Check the DSCP for Video Calls value in the Cisco Unified Communications Manager clusterwide parameters QoS configuration.

Answer: B

NEW QUESTION 17

Users in your enterprise can establish PSTN calls, but users notice that when they attempt to perform a transfer the call fails. Which two actions must you take to troubleshoot the problem? (Choose two)

• A. Restart Cisco Unified Communications Manager services.
• B. Verify that media resources are assigned to the transcoder.
• C. Verify that MTP resources are registered with Cisco Unified Communications Manager
• D. Restart the Cisco Serviceability tool
• E. Use RTMT Performance monitoring to verify that an MTP device is available to support supplementary services.

Answer: CE

NEW QUESTION 18

Which debug command analyzes messages that are produced by SIP during the call setup process in IOS?

• A. Show isdn status
• B. debug voip ccapi inout
• C. show sip-ua register status
• D. debug isdn q931
• E. debug ccsip messages
• F. debug voice dialpeer

Answer: E

NEW QUESTION 19

Which command is used to check if an MGCP gateway is currently registered with Cisco CallManager?

• A. Router# show ccm-manager gateway
• B. Router# show mgcp ccm-manager
• C. Router# show ccm-manager
• D. Router# show ccm manager

Answer: C

NEW QUESTION 20

Where in Cisco TMS would you see if a system is registered to a Cisco VCS or a Cisco Unified Communications Manager?

• A. Systems > Registration
• B. Navigation > Systems > Registrations
• C. under Registration on the System Administration tab
• D. System Overview
• E. Settings > Provisioning
• F. where you start the Cisco Unified Communications Manager RTMT under Systems and Reports

Answer: D

NEW QUESTION 21

What is the default hold time for two peering SAF Forwarders that are connected on a LAN?

• A. 240 seconds
• B. 15 seconds
• C. 60 seconds
• D. 45 seconds
• E. 120 seconds

Answer: B

NEW QUESTION 22

You are integrating a new video endpoint with Cisco VCS, but you find that the unit is failing to register. You assign extension 4000 to the device in the "vc.cisco.com" SIP domain, and you set its registration proxy to the IP address of 10.1.1.10 as the Cisco VCS. In order for the device to register via SIP, which format must you use when you set the SIP address of the device?

• A. 4000@vc.cisco.com
• B. 4000
• C. 4000@10.1.110
• D. 4000@cisco

Answer: A

NEW QUESTION 23

What is the default interval for SAF hello packets?

• A. 15 seconds
• B. 15 seconds on links with speeds that are slower than T1 speeds
• C. 40 seconds
• D. 40 seconds on links with speeds that are slower than T1 speeds
• E. 60 seconds
• F. 60 seconds on links with speeds that are slower than T1 speeds

Answer: F

NEW QUESTION 24

After you install the Cisco Jabber client, it fails to register with the Cisco Unified Communications Manager server. Which two actions can you take to troubleshoot the problem? (Choose two.)

• A. Verify that the DNS SRV record is correctly configured.
• B. Verify that the LMHOST file is installed on the PC.
• C. Verify that the corporate firewall allows connections to anDFrom the Jabber client.
• D. Reboot the Cisco Unified Border Element Gateway.
• E. Verify Layer 3 connectivity on the gateway.

Answer: AC

NEW QUESTION 25

Company XYZ just completed an upgrade of the Cisco Unified Communications Manager from version 9.x to version 10.5. Users report that they cannot log in to Extension Mobility after the upgrade. This error message is displayed “login is unavailable (23)”. Which action can resolve the issue?

• A. Cisco Unified Communications Manager 10.5 does not include Extension Mobility.
• B. Enable the home cluster option for the affected users.
• C. Re-enable extension mobility for the affected users.
• D. Enable the remote cluster option for the affected users.

Answer: D

NEW QUESTION 26

A user using ACP-9971 SIP phone reports that during a video call, the video portion of the call freezes. What should you do in order to point to and troubleshoot the issue?

• A. Restart the phone.
• B. On the phone, navigate to Administrator Settings > Status > Call Statistics > Video > Video statistics > Rcvr Packets statistic
• C. Verify if the phone is receiving packets.
• D. Make sure that the camera is connected to the USB.
• E. Verify if the camera shutter is open.
• F. Perform a factory reset of the phone.

Answer: B

NEW QUESTION 27
......