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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Quality of Service (QoS) | 15% | - Describe the class models for providing QoS (DiffServ, IntServ) - Configure LLQ (class map, policy map, service policy) - Describe problems that can lead to poor voice and video quality (Jitter, Latency, Packet loss) - Describe the QoS requirements for these applications (Voice, Video, Data) |
| Topic 2: Infrastructure and Design | 20% | - Troubleshoot network components in a Cisco collaboration solution (DNS, NTP, CDP/LLDP, IP connectivity, Firewall traversal) - Describe the key design elements of the following: Sizing, Bandwidth, High availability, Disaster recovery, Dial plan, Security (certificates, SRTP, TLS) - Describe the purpose of Edge devices in the Cisco Collaboration architecture (Expressway, CUBE) |
| Topic 3: Call Control | 25% | - Describe the Cisco Unified Communications Manager (CUCM) digit analysis process - Describe Mobile and Remote Access (MRA) - Configure globalized call routing in CUCM (Route patterns, Translation patterns, Standard Local Route Group) - Implement toll fraud prevention on CUCM |
| Topic 4: Collaboration Applications | 5% | - Configure Cisco Unity Connection (MWI, SIP integration) - Configure Cisco Jabber (Switching modes, Deployment modes) |
| Topic 5: Cisco IOS XE Gateway and Media Resources | 15% | - Describe IOS XE media resources (Conferencing, MOH, Transcoding) - Troubleshoot IOS XE dial plans and dial peer matching - Configure voice gateway elements (DTMF, Voice translation rules, Codec preference lists, VoIP and POTS dial peers) |
| Topic 6: Protocols, Codecs, and Endpoints | 20% | - Identify the appropriate codec for a given scenario (G.711, G.729, Opus) - Troubleshoot these elements of a SIP conversation (SDP, Offer/Answer model, DTMF, Early media) - Configure and troubleshoot endpoint registration (On-premises, CUCM, Expressway) - Describe SIP interworking between CUCM and Cisco Expressway |
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NEW QUESTION # 353
An administrator must configure several audio codecs for optimal bandwidth utilization in a large Cisco UCM solution that includes a gateway to ensure audio quality without call failures.
Where must a list of codecs be configured?
Answer: B
NEW QUESTION # 354
An engineer configures a new phone in Cisco UCM The phone boots and gets IP when it connects to the network, however the phone fails to register With CISCO UCM, The engineer observes that the phone has a status Rejected In CISCO UCM What must be verified first 'Mien troubleshooting the issue?
Answer: A
Explanation:
b) whether the Initial Trust List and Certificate Trust List files on the phone are correct is not the first thing to verify, but it may be a possible cause of the issue if the phone has an ITL file from another cluster that prevents it from registering with Cisco UCM2. To resolve this issue, the ITL file needs to be deleted from the phone or exchanged between the clusters2.
c) whether the phone is in the correct VLAN is not the first thing to verify, but it may be a possible cause of the issue if the phone is not in the same VLAN as the Cisco UCM server or cannot reach it due to network issues3. To resolve this issue, the network connectivity and VLAN configuration need to be checked and fixed3.
d) whether the phone's MAC address is correct in Cisco UCM is not the first thing to verify, but it may be a possible cause of the issue if the phone's MAC address does not match the one configured in Cisco UCM. To resolve this issue, the MAC address needs to be corrected and updated in Cisco UCM.
Explanation:
This is the first thing that must be verified when troubleshooting the issue of phone status showing rejected in Cisco UCM1. Auto-registration allows new phones to register with Cisco UCM without manual configuration1. If auto-registration is disabled, the phone will not be able to register and will show a rejected status1.
The other options are not the first things that must be verified when troubleshooting the issue:
NEW QUESTION # 355
What is a function of a System Call Handler in Cisco Unity Connections?
Answer: D
NEW QUESTION # 356 
Refer to the exhibit. Which route pattern can the Cisco UCM administrator apply to the configuration to allow calls to "1306.1316.1326,13*6.13#6" only?
Answer: B
NEW QUESTION # 357
Refer to the exhibit.
When a call is received on Cisco Unified Border Element. from which
lP does it allow a connection?
Answer: A
NEW QUESTION # 358
......
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