02_画像なし択一

58問 • 1年前

問題一覧

Question #2 An engineer must extend the corporate phone system to mobile users connecting through the internet with their own devices. One requirement is to keep that as simple as possible for end users. Which infrastructure element achieves these goals?

Cisco Expressway-C and Expressway-E

Question #3 A customer wants a video conference with five Cisco TelePresence IX5000 Series systems. Which media resource is necessary in the design to fully utilize the immersive functions?

Cisco Meeting Server

Question #6 An incoming off-net call to a user fails. An engineer notices that the off-net call is G.711, but the phone accepts only G.729. Which media resource on a Cisco Unified Border Element and Cisco Unified Communications Manager must the engineer configure to manage the codec negotiation?

transcoder

Question #7 Which Cisco Unified Communications Manager service parameter should be enabled disconnect a multiparty call when the call initiator hangs up?

Drop Ad Hoc Conference

Question #8 A network administrator deleted a user from the LDAP directory of a company. The end user shows as Inactive LDAP Synchronized User in Cisco Unified Communications Manager. Which step is next to remove this user from Cisco Unified Communications Manager?

Wait 24 hours for the garbage collector to remove the user.

Question #9 A customer has Cisco Unity Connections 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?

Active Directory

Question #10 Which configuration step is necessary for a Cisco SIP phone to synchronize its time with a specific source?

Add a Phone NTP Reference to the Date/Time Group.

Question #11 After an engineer runs the utils ntp status command on the Cisco Unified Communications Manager publisher, the stratum value is 16. Which issue can the Cisco Unified CM cluster experience?

Database replication is not synchronized on the Unified CM nodes.

Question #12 When a new SIP phone is registered to Cisco Unified Communications Manager, it keeps failing and showing an `unprovisioned` error message in the phone display. Which problem is a possible cause of this issue?

Auto-registration is disabled on the Cisco Unified Communications Manager nodes and the phone device does not have a DN configured.

Question #13 Which DHCP option must be set up for new phones to obtain the TFTP server IP address?

option 66

Question #15 How many DNS SRV entries can be defined in the SIP trunk destination address field in Cisco Unified Communications Manager?

Question #16 On which Cisco Unified Communications Manager nodes can the TFTP service be enabled?

any node

Question #17 Which issue causes slips on a PRI?

incorrect clock source

Question #18 An administrator recently upgraded a Cisco Webex DX80 through its web interface but discovered the next morning that the unit has received to its previous version. What must the administrator do to prevent this from happening again?

Confirm the phone load name in the phone configuration.

Question #19 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?

The In-Room Control Editor on the webpage of the MX800

Question #20 A presence redundancy group is deployed, and an engineer initiates a manual fallback. Which statement about Cisco Server Recovery Manager is true?

disconnects all users that had been failed over, and the users must log in again

Question #21 Which packet delay is the maximum supported between Cisco Unified Communications Manager nodes for clustering over WAN deployments?

80 ms round trip

Question #22 A user dials 9011841234567 to reach Vietnam. Which steps send the call to the PSTN provider as 011841234567?

in the Called Party Transformation Pattern Configuration section, configure the Pattern as 9.011841234567 configure the Discard Digits as Predot

Question #23 Where is the default Interregion Maximum Session Bit Rate for a region configured?

Service Parameter Configuration

Question #24 A 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?

xStatus Video Output

Question #25 Which statement about Cisco Unified Communications Manager and Cisco IM and Presence backups is true?

Backups should be scheduled during off-peak hours to avoid system performance issues.

Question #26 What is a software-based media resource that is provided by the Cisco IP Voice Media Streaming Application?

annunciator

Question #27 When a user dials a number with a phone that is registered to the Cisco Unified Communications Manager, what is the default timeout before the number is sent?

15 seconds

Question #28 An engineer deploys a Cisco Expressway-E server for a customer who wants to utilize all features on the server. Which feature does the engineer configure on the Expressway-E?

MRA

Question #29 Which SNMP service must be activated manually on the Cisco UCM after installation?

Cisco CallManager SNMP

Question #30 A company deploys centralized Cisco UCM architecture for a hub location and two remote sites. ✑ The company has only one ITSP connection at the hub location, and ITSP supports only G.711 calls. ✑ Remote site A has a 1-Gbps fiber connection to the hub location and calls to and from remote site A use G.711 codec. ✑ Remote site B has a 1-T1 connection to the hub location and calls to and from remote site B use G.729 codec. Based on the provided guidance, a Cisco voice engineer must design media resource management for the customer. What is the method that needs to be followed?

configure the hardware transcoder on the hub location router

Question #32 When setting a new primary DNS server in the Cisco UCM CLI, what is required for the change to take effect?

restart of the network service

Question #33 When configuring Cisco UCM, which configuration enables phones to automatically reregister to a Cisco UCM publisher when the connection to the subscriber is lost?

Cisco UCM Group

Question #34 Which version is used to provide encryption for SNMP management traffic in collaboration deployments?

SNMPv3

Question #35 What is the validity period of the ITL Recovery certificate in Cisco UCM?

20 years

Question #36 Which service must be enabled when LDAP on Cisco UCM is used?

Cisco DirSync

Question #37 On a Cisco Catalyst Switch, which command is required to send CDP packets on a switch port that configures a Cisco IP phone to transmit voice traffic in 802.1Q frames, tagged with the voice VLAN ID 221?

Device(config-if)# switchport voice vlan 221

Question #38 Which datastore and protocol is used for saving back-up files within the Disaster Recovery System of Cisco UCM?

remote disk on the SFTP server

Question #41 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?

trunk

Question #43 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?

LDAP Directory user fields

Question #45 What makes Cisco Unified Border Element a better choice than a conventional Session Border Controller?

Voice policy

Question #47 Which entity does Cisco UCM use DNS to resolve fully qualified domain names to an IP address?

SIP trunk

Question #51 An employee of company ABC just quit. The IT administrator deleted the employee's user ID from the active directory at 10 a.m. on March 4. The nightly sync th occurs at 10 p.m. daily. The IT administrator wants to troubleshoot and find a way to delete the user ID as soon as possible. How is this issue resolved?

Wait until 3:15 a.m. on March 6 for garbage collection to remove the user from Cisco UCM. th

Question #53 A collaboration engineer adds a voice gateway to Cisco UCM. The engineer creates a new gateway device in Cisco UCM, selects VG320 as the device type, and selects MGCP as the protocol. What must be done next to add the gateway to the Cisco UCM database?

Add the FQDN or hostname of the device.

Question #54 A collaboration engineer configures Global Dial Plan Replication for multiple Cisco UCM clusters. The local cluster acts as the hub cluster, and the remaining clusters act as spoke clusters. Which service must the engineer configure on the local cluster?

Intercluster Lookup Service

Question #56 A SIP phone has been configured in the system with MAC address 0030.96D2.D5CB. The phone retrieves the configuration file from the Cisco UCM. Which naming format is the file that is downloaded?

SEP003096D2D5CB.cnf.xml

Question #58 An administrator troubleshoots call flows and suspects that there are issues with the dial plan. Which tool enables a quick analysis of the dial plan and provides call flows of dialed digits?

Dialed Number Analyzer

Question #63 What is a capability of Cisco Expressway?

It provides access to on-premises Cisco Unified Communications infrastructure for remote endpoints.

Question #66 Which action is required for a firewall configuration on a Mobile and Remote Access through Cisco Expressway deployment?

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

Question #70 A company wants to provide remote users with access to its on-premises Cisco collaboration features. Which components are required to enable Cisco Mobile and Remote Access for the users?

Cisco Expressway-E, Cisco Expressway-C, and Cisco UCM

Question #74 If a phone needs to register with cucm1.cisco.com, which network service assists with the phone registration process?

DNS

Question #75 Which type of input is required when configuring a third-party SIP phone?

digest user

Question #76 An administrator configures Cisco UCM to use UDP for SIP signaling and finds that an endpoint cannot make calls. Which action resolves this issue?

Change the phone security profile.

Question #77 An engineer implements a new Cisco UCM based telephony system per these requirements: ✑ The local Ethernet bandwidth is sized based on the total bandwidth per call. ✑ A G.736 codec is used. ✑ The bit rate is 64 kbps. ✑ The codec sample interval is 10 ms. ✑ The voice payload size is 160 bytes per 20 ms. What should the size of the Ethernet bandwidth be per call?

87.2 kbps

Question #80 A remote office has a less-than-optimal WAN connection and experiences packet loss, delay, and jitter. Which VoIP codec should be used in this situation?

iLBC

Question #83 You are adding regions in Cisco Unified Communications Manager. Which codec(s) are selected when a call is placed if you set up the max audio bit rate to use 8 kbps?

G.729

Question #84 How can an administrator stop Cisco Unified Communications Manager from advertising the OPUS codec for recording enabled devices?

In CUCM Service Parameters set "Opus Codec Enabled" to "Enabled for all Devices Except Recording-Enabled Devices".

Question #87 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?

Configure pass-thru content sdp on the voice service.

Question #89 A Cisco IP Phone 7841 that is registered to a Cisco UCM with default configuration receives a call setup message. Which codec is negotiated when the SDP offer includes this line of text? m=audio 49181 RTP/AVP 0 8 97

G.711ulaw

Question #91 An engineer with ID0123456789 is designing a new dial plan for a customer that has offices in several countries on four continents around the world. This client also wants to integrate with a Microsoft Lync backend. Which dial plan type does the engineer recommend?

E.164

Question #95 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?

dtmf-relay sip-kpml

Question #97 Which task is required when configuring self-provisioning for an end user in Cisco UCM?

Enable Auto-Registration

Question #99 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?

150

ENARSI_J_1_#1-#183

斎藤友一 · 3回閲覧 · 100問 · 2年前

ENARSI_J_1_#1-#183