350-801 CLCOR:Implementing and Operating Cisco Collaboration Core Technologies
Update：2026年4月18日
Questions and Answers: 595 Q&A
1.
Which two functionalities does Cisco Expressway provide in the Cisco collaboration architecture? (Choose two.)
2.
Why is an end user's PC device not included in a QoS trust boundary?
3.
What are two valid features of Cisco Unified Survivable Remote Site Telephony? (Choose two.)
4.
Refer to the exhibit. An administrator confiqures 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?
5.
The enterprise network is migrating to a global dial plan and running a few devices in the test phase. Which change is performed by the system to the information dialed when the Cisco UCM endpoint dials an external destination under a global dial plan?
6.
Which dial plan function restricts calls that are made by a lobby phone to internal extensions only?
7.
Where in Cisco UCM are codec negotiations configured for endpoints?
8.
Which program is required to deploy the Cisco Jabber client on an on-premises Cisco collaboration solution?
9.
Which user group is targeted by MRA services?
10.
Refer to the exhibit. When a call is received on Cisco Unified Border Element, from which IP does it allow a connection?
11.
What requires a Cisco IOS XE transcoder?
12.
An engineer encounters third-party devices that do not support Cisco Discovery Protocol. What must be configured on the network to allow device discovery?
13.
Which two protocols are proxied over an Expressway-E/C pair when a Mobile and Remote Access login including phone services is performed? (Choose two.)
14.
What are two characteristics of jitter in voice and video over IP communications?(Choose two)
15.
Which open-standard protocol is the basis for the Extensible Messaging and Presence Protocol?
16.
Refer to the exhibit. An engineer is troubleshooting an NTP synchronization issue that returns amessage of unsynchronized" when the utils ntp status command is run on the Cisco UCM subscriber node. The connectivity between the subscriber and the NTP server was verified as working, and the NTP server is running. Which action resolves the issue?
17.
After an administrator installs the Cisco Jabber client, it fails to reaister with the Cisco UCM server. Which two actions should be taken to troubleshoot this problem? (Choose two)
18.
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.)
19.
Which two configurations are needed for Cisco UCM location-based CAC? (Choose two.)
20.
An engineer configures local route group names to simplify a dial plan. Where does the engineer set the route group according to the local route group names that are configured?
21.
A network engineer must update the routing toward the web server with IP address 35.22.13.1.The primary path must be configured via the neighbor router with ID 1.1.1.1. However, local-preference configuration is not permitted on R1. Which task must the engineer perform on R1 to complete the implementation?
22.
Which two steps are required for bulk configuration transactions on the Cisco UCM database utilizing BAT? (Choose two)
23.
Which configuration on Cisco UCM is required for SIP MWI to work?
25.
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?
26.
An engineer must configure a Cisco ISR 4000 as an MGCP gateway to download its MGCP-specific configuration from Cisco UCM. Which Cisco IOS configuration snippet accomplishes this task?
27.
An administrator needs to create a partial PRI consisting of the first seven timeslots available. Which configuration snippet configures the ISDN E1 PRI for this task?
28.
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?
29.
An administrator needs to help a remote employee make a free call to an international destination. The administrator calls the emplovee, then conferences in the international party. The administrator drops the call, and the emplovee and the international party continue their conversation. Which action prevents this type of toll fraud in the Cisco UCM?
31.
What must be configured on a Cisco Unity Connection voice mailbox to access the mailbox from a secondary device?
32.
Refer to the exhibit An engineer must implement toll fraud prevention on a Cisco UCM cluster. Only the SIP protocol must be allowed for connections passing through Cisco Unified Border Element What must be configured?
33.
In a company meeting, employees join virtually and listen. However, the SpeakerTrack device that is connected to a collaboration endpoint that follows the speaker suddenly stops working. What is the cause of thts issue?
34.
Which two DNS records must be created to configure Service Discovery for on-premises Jabber? (Choose two.)
35.
When a remote office location is set up with limited bandwidth resources, which codec would allow the most voice calls with the limited bandwidth?
36.
What are two key features of the Expressway series? (Choose two.)
37.
An engineer ran this show telemetry command to view subscription SUB11 on RouterX. The engineer then decided that RouterY should provide the same output lor sensor group SGroup13 as RouterX. The engineer cannot access RouterX to copy its configuration No access lists on the router block user access Which configuration must the engineer apply on RouterY to provide the same output from the show telemetry command?
38.
Refer to the exhibit. An administrator is attempting to register a SIP phone to a Cisco UCM but the registration is failing. The IP address of the SIP Phone is 10.117.34.222 and the IP address of the Cisco UCM is 10.0.101.10. Pinas from the SIP phone to the Cisco UCM are successful. What is the cause of this issue and how should it be resolved?
39.
Which DSCP marking is represented as 101110 in an IP header?
40.
A collaboration engineer is configuring the QoS trust boundary for Cisco UCM voice and video conferencing. Which two trust boundary configurations are valid? (Choose two.)
41.
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?
42.
What is the purpose of using an Expressway-C and Expressway-E pair in Cisco Collaboration Edge preferred architecture?
43.
A call to an international number has failed. Which action corrects this problem?
44.
An engineer must help a customer's administrator to set QoS options for the cluster. What are two QoS settings on the Cisco UCM server? (Choose two.)
45.
An engineer must configure DTMF relay on a Cisco Unified Border Element by using RFC2833 as the preferred relay mechanism and KPML as the next preferred relay mechanism. The engineer logs in to the CUBE and enters the dial-peer configuration level. Which command should be run at the dial-peer configuration level?
46.
An engineer is configuring a PRI card on a Cisco ISR 4300 Series Router. When the engineer configures the voice PRI on the router, this error is received: "T1 0/1/0: No DSP resources to configure voice feature'". Which action must the engineer take to resolve the issue if a PVDM card was installed in the motherboard?
47.
Refer to the exhibit. Drag and drop the flow step labels from the left into the correct order on the right to establish this call flow:
User 2 disconnects the call.
User 1 calls user 2.
User 2 answers the call.
Select and Place:
Answer：
Connect ACK
180 Ringing
100 Trying
two-way RTP channel
two-way voice path
step 3
step 2
step 5
step 1
step 4
提示
48.
What an advantage of using of the SIP OAuth mode in Cisco Jabber?
49.
For which type of user are Mobile and Remote Access services designed?
50.
An engineer is designing a high availability and failover solution for two Cisco Unified Border Element routers. The first router (cube 1.abc.com) takes 60% of the calls and the second router (cube2 abc.com) takes 40% of the calls. Assume all DNS A records have been created. Which two SRV records are needed for a load balanced solution? (Choose two.)
51.
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?
52.
On which protocol and port combination does Cisco prime collaboration receive notifications (Traps and Inform Requests) from several network devices in the collaboration infrastructure for which it has requested notifications?
53.
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?
54.
Which configuration step is necessary for a Cisco SIP phone to synchronize its time with a specific source?
55.
Refer to the exhibit. An engineer must confiqure DHCP service on the Cisco UCM. In which field must the enqineer confiqure the server IP to provide. the confiauration files to the endpoints?
56.
What dialed number match this cisco UCM route pattern?
57.
A company has a Cisco collaboration infrastructure that includes Cisco UCM and a Cisco Unified Border Element. The company CTO asks an engineer to improve security and implement toll fraud prevention. The engineer configures partitions and a calling search space to provide segmentation and access control. Which two additional configurations are needed to block all OffNet to OffNet transfers? (Choose two.)
58.
Endpoint A calls endpoint B. What is the only audio codec that can be used for the call?
59.
A company has an excessive number of call transfers to local and long-distance PSTN from Cisco Unity Connection voicemail. Which action in the Cisco Unity Connection restriction table resolves this issue?
60.
When setting a new primary DNS server in the Cisco UCM CLI, what is required for the change to take effect?
61.
Refer to the exhibit. An INVITE with the SDP in the exhibit is received. Based on the configuration, which two codecs will be in the SDP of the outbound INIVTE? (Choose two.)
62.
Which Cisco Unified communications manager configuration is required for SIP MWI integration?
63.
Refer to exhibit. An engineer configured a codec preference list on a Cisco Unified Border Element. Which command is required on the dial peer to ensure that all codecs are offered during an early offer call?
64.
Endpoint A is attempting to call endpoint B. Endpoint A only supports G.711ulaw with a packetization rate of 20 ms, and endpoint B supports packetization rate of 30 ms for G.711ulaw. Which two media are resources are allocated to normalize packetization rates through transrating?
65.
After an engineer implements the FAC and CMC features together, users report that calls take almost one minute to complete and that they occasionally hear the reorder tone. Which two actions address this issue?(Choose two)
66.
Which method is used to avoid toll fraud with Cisco UCM calls?
67.
How are E.164 called-party numbers normalized on a globalized call-routing environment is Cisco Unified Communications Manger?
68.
Refer to the exhibit. A collaboration engineer is configuring the Cisco UCM IM and Presence Service. Which two steps complete the configuration of the SIP trunk security profile?
69.
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?
70.
A Cisco UCM administrator sets up new route patterns to support phones in four different locations,all with local gateways. The administrator wants to use the same route pattern for all four locations. How must the system be configured to achieve this goal?
71.
An engineer implements QoS in the enterprise network. Which command is used to verify the classification and marking on a Cisco IOS switch?
72.
You deploy Mobile and Remote Access for Jabber and discover that Jabber for Windows does not register to cisco Unified Communications Manager while outside of the office. What is a cause of this issue?
73.
An engineer must manually register an analog por t with cisco UCM using the MGCP protocol. Which commands are required?
74.
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 user
75.
A vendor wants to configure DTMF using named telephony events. SBCs must be backward compatible with legacy equipment using the out-of-band DTMF relay method to interwork with NTE successfully. Which two Cisco Unified Border Element-DTMF interworking capabilties work with NTE in a flow-through and flow-around mode when there is a locally registered transcoder? (Choose two.)
76.
Which configuration on Cisco Unified Communication Manager is required for SIP MWI to work?
77.
Router 1 and Router 2 were installed in the data center. Router 1 is the core router in the network, but it fails to establish an OSPF peering with Router 2. and customer traffic is unable to pass. Router 1 also reports an increase in CPU and memory usage. However, the CPU for R2 is stable. Which action resolves this issue?
78.
What is a description of the DiffServ model used for implementing QoS?
79.
An administrator is troubleshooting an issue where an 8845 is not joining the correct voice VLAN configuration from a switch and they believe that LLDP is the issue. Which command allows the administrator to see the packets sent from the phone to the switch?
80.
What is the traffic classification for voice and video conferencing?
81.
After an engineer runs the ntils ntp status command on the Cisco Unified Communications manager publisher, the stratum value is 16.Which issue can the cisco Unified CM cluster experience?
82.
Which feature is enabled by Cisco Mobile and Remote Access?
83.
An engineer configures a Cisco Unified Border Element and must ensure that the codecs negotiated meet the ITSP requirements.The ITSP supports G.711ulaw and G.729 for audio and H.264 for video. The preferred voice codec is G.711. Which configuration meets this requirement?
84.
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 4th. The nightly sync 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. ssue resolved?
85.
A company hosts a conference call with no local users. How does the administrator stop the conference from continuing?
86.
An administrator with ID XXXXXXXXXX is receiving complaints of pixilation smearing, and pulsing of video calls between two offices that are connected by a WAN.Assuming that QoS is implemented on the WAN connection, which classification is used to mark the video traffic, according to the Cisco QoS baseline?
87.
An engineer must configure codec negotiation on a Cisco Unified Border Element to prefer the G.711 ulaw codec and use G.711 alaw codec as the next preferred. 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?
88.
An administrator must make a pattern to route calls to two different destinations: john.doe@company.com and jane.doe@company.com. Which type of patterns are needed in the Cisco UCM, and what must the pattern look like?
89.
Which Cisco IM and Presence service handles failover and state changes in the cluster?
90.
Refer to the exhibit. An administrator is attempting to resolve a DTMF issue to a specific IVR and has supplied logs from the most recent issue. What is the cause and solution of the issue?
91.
User A Calls user. The call gets connected, but the quality is bed. What are two reasons for this issue? (Choose two)
92.
A customer wants a video conference with five Cisco TelePresence IX5000 series system. Which media resource is necessary in the design to fully utilize the immersive functions?
93.
Which service must be enabled when LDAP on Cisco UCM is used?
94.
What should be used to detect common issues on a Cisco IOS XE based Local Gateway and generate an email?
95.
An engineer deploys a Cisco Expressway-E server for a customer who wants to utilize all feature on the server. Which feature does the engineer configure on the Expressway-E?
96.
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?
97.
What is characteristic of Cisco Smart Licensing?
98.
Which Webex Calling construct is used to organize calling features within a physical site?
99.
Which action must an administrator take to provide a method that plays prerecorded messages when setting up a voicemail server in a Cisco collaboration on-premises system?
100.
An administrator configured SIP route patterns cisco com and uc(5-7] cisco 1 com in Cisco UCM A route pattern must be added for ucce2.cisco1.com. Which two patterns complete the configuration*? (Choose two.)
101.
What makes Cisco Unified Border Element a better choice than a conventional Session Border Controller?
102.
What is a reason for using a Diffserv value of AF41 for video traffic?
103.
What is a capability of a DNS server?
104.
An end user at a remote site is trvina to initiate an Ad Hoc conference call to an end user at the main site. The conference bridae 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?
