View Full Cisco CCNP Collaboration 350-801 Exam Dumps and Practice Test Dumps.

 

Question 41

Which CUCM feature determines the order in which route groups are selected for outbound calls?

1. Route pattern
2. Route list
3. Partition
4. Device pool

Correct Answer: 2

Explanation

A route list provides the logical routing structure used to select route groups for outbound calls. A route pattern matches the dialed number and can point to a route list. The route list then determines which route group is attempted and in what order, depending on its configuration. Partitions control dial-plan visibility, while device pools provide common endpoint settings. Route lists are useful for implementing gateway redundancy because multiple route groups can be associated with a single logical destination. When troubleshooting outbound routing, administrators should examine the route pattern, route list, route groups, gateway status, and any configured digit manipulation.

Question 42

Which Cisco collaboration protocol is responsible for establishing and terminating SIP sessions?

1. RTP
2. SRTP
3. SIP
4. TFTP

Correct Answer: 3

Explanation

SIP is responsible for signaling used to establish, modify, and terminate communication sessions. SIP messages such as INVITE, ACK, BYE, and CANCEL support different stages of session control. RTP carries the actual real-time media, while SRTP adds security to RTP media. TFTP is primarily used for provisioning and configuration-file transfer. When troubleshooting a SIP call, administrators should inspect signaling messages, response codes, SDP negotiation, routing, and endpoint registration. A call can have successful SIP signaling while still experiencing media problems because the RTP path is handled separately. Understanding this distinction is important when diagnosing voice and video communication issues.

Question 43

Which CUCM object can be used to transform a called number before the call reaches the gateway?

1. Translation pattern
2. Device pool
3. Region
4. Media Resource Group

Correct Answer: 1

Explanation

A translation pattern can transform a called number before CUCM continues processing the call. It is useful for removing access codes, adding prefixes, changing numbering formats, or implementing other digit-manipulation requirements. Device pools provide common configuration for devices, regions influence codec and bandwidth behavior, and media resource groups organize media resources. Translation patterns are evaluated through the CUCM dial plan and are subject to partition and calling search space configuration. When troubleshooting unexpected number transformations, administrators should inspect translation patterns and other digit-manipulation settings. Understanding the order in which these transformations occur is important for predictable enterprise call routing.

Question 44

Which Cisco technology provides secure real-time media encryption for voice and video streams?

1. SIP
2. SRTP
3. LDAP
4. DHCP

Correct Answer: 2

Explanation

Secure Real-time Transport Protocol, or SRTP, protects real-time voice and video media by providing encryption, authentication, and integrity protection. It is designed to secure RTP streams after signaling establishes the communication session. SIP handles signaling, LDAP provides directory services, and DHCP provides network configuration. Secure media requires compatible security capabilities and appropriate key negotiation between participating endpoints or systems. When troubleshooting an encrypted call, administrators should verify security profiles, endpoint capabilities, negotiated media parameters, and the signaling process used to establish the secure session. SRTP is especially important when voice or video traffic crosses networks where media confidentiality is required.

Question 45

Which CUCM object is used to associate a directory number with a specific dial-plan access boundary?

1. Region
2. Partition
3. Route group
4. Device pool

Correct Answer: 2

Explanation

A partition provides a logical dial-plan boundary for directory numbers and other CUCM destinations. By placing directory numbers in specific partitions and assigning calling search spaces to callers, administrators can control which destinations users are allowed to access. Regions manage codec and bandwidth relationships, route groups organize gateways, and device pools provide common device configuration. Partition and CSS design is a fundamental part of CUCM dial-plan architecture. If a user cannot call a particular extension, administrators should verify the directory number’s partition and the caller’s calling search space. Proper configuration ensures that intended destinations are visible while restricted destinations remain inaccessible.

Question 46

Which protocol is used by Cisco IP phones to register with CUCM and exchange call-control signaling in a SIP deployment?

1. SIP
2. SNMP
3. NTP
4. LDAP

Correct Answer: 1

Explanation

SIP is used by Cisco IP phones and other supported endpoints to exchange call-control signaling in SIP-based CUCM deployments. It supports registration and signaling operations required to establish, modify, and terminate calls. SNMP is primarily used for monitoring, NTP synchronizes clocks, and LDAP supports directory integration. During phone-registration troubleshooting, administrators should verify network connectivity, DNS where applicable, SIP configuration, certificates for secure deployments, CUCM availability, and device security settings. Successful registration establishes the signaling relationship, but it does not by itself guarantee successful media transmission. Media connectivity must also be verified separately when calls have audio problems.

Question 47

Which CUCM component provides a logical grouping of gateways that can be selected by a route list?

1. Route pattern
2. Route group
3. Translation pattern
4. Calling Search Space

Correct Answer: 2

Explanation

A route group provides a logical grouping of gateways that can be referenced by a route list. This structure allows CUCM to select from multiple gateways when processing outbound calls and supports redundancy and routing flexibility. Route patterns identify dialed destinations, translation patterns modify numbers, and calling search spaces control access to partitions. Administrators can place multiple gateways in a route group and configure how CUCM selects among them. When troubleshooting outbound calls, checking route-group membership and gateway availability is important. A route list can contain multiple route groups, allowing organizations to define primary and alternate routing paths.

Question 48

Which Cisco collaboration protocol is commonly used for endpoint-to-endpoint media transmission?

1. RTP
2. LDAP
3. SIP
4. DHCP

Correct Answer: 1

Explanation

RTP carries real-time voice and video media between endpoints or media resources. SIP is typically responsible for call signaling and session control, while RTP carries the actual media stream after negotiation is completed. LDAP provides directory services, and DHCP supplies network configuration. RTP includes sequence numbers and timestamps that help receivers handle packet ordering and playback timing. If a call establishes successfully but users experience one-way audio, missing video, or no media, administrators should investigate the RTP path, firewall policies, NAT, routing, codec compatibility, and media resource configuration. Separating signaling troubleshooting from media troubleshooting helps identify the actual source of communication failures.

Question 49

Which CUCM feature can provide alternate call processing at a remote site during loss of WAN connectivity?

1. CUBE
2. SRST
3. TFTP
4. LDAP

Correct Answer: 2

Explanation

SRST provides basic call-processing functionality for supported Cisco IP phones at remote sites when connectivity to centralized CUCM servers is unavailable. It is commonly implemented on a Cisco router at the remote location and allows essential telephony services to continue during WAN failures. CUBE provides border connectivity, TFTP supports provisioning, and LDAP provides directory integration. SRST does not reproduce every CUCM feature, so administrators should understand which services remain available during failover. Proper SRST configuration includes the appropriate reference in CUCM and corresponding router settings. Testing WAN-failure scenarios is important to confirm that phones successfully transition to the backup call-processing service.

Question 50

Which Cisco collaboration service provides user presence information and instant messaging in an on-premises deployment?

1. Cisco Unity Connection
2. Cisco IM and Presence
3. Cisco CUBE
4. Cisco TFTP

Correct Answer: 2

Explanation

Cisco IM and Presence provides instant messaging and presence capabilities in supported on-premises collaboration deployments. Presence allows users to see availability information, while instant messaging supports real-time text communication. Unity Connection focuses on voicemail, CUBE provides border voice connectivity, and TFTP supports device provisioning. IM and Presence integrates with CUCM and user information sources to provide collaboration features. When presence information is unavailable, administrators should check user configuration, CUCM integration, service status, network connectivity, and directory synchronization where applicable. Correct integration between collaboration components is essential for reliable presence publication and subscription.

Question 51

Which CUCM configuration determines the codec and bandwidth relationship between two groups of endpoints?

1. Region
2. Partition
3. Route group
4. Calling Search Space

Correct Answer: 1

Explanation

A region defines codec preferences and bandwidth relationships between groups of endpoints. Administrators can use region configuration to control media characteristics across LAN and WAN boundaries and help manage available bandwidth. Partitions and calling search spaces control dial-plan access, while route groups organize gateways. Region design is particularly important when endpoints communicate over constrained WAN connections. If a call uses an unexpected codec, administrators should verify the regions assigned to both endpoints and inspect the codec relationship between those regions. Region settings influence media negotiation and can affect both voice quality and network resource consumption.

Question 52

Which protocol allows collaboration systems to synchronize their clocks with a reliable time source?

1. SIP
2. RTP
3. NTP
4. SRTP

Correct Answer: 3

Explanation

NTP synchronizes system clocks with designated time sources. Accurate time is important throughout Cisco collaboration environments because certificates, authentication, logging, database operations, and troubleshooting depend on consistent timestamps. SIP provides signaling, RTP carries media, and SRTP secures media. Collaboration clusters should be configured to use appropriate NTP sources and maintain consistent time across their components. If servers have significantly different clock values, certificate validation and authentication may fail, and troubleshooting logs can become difficult to correlate. Administrators should therefore verify NTP reachability, synchronization status, configured sources, and system time whenever investigating time-dependent collaboration problems.

Question 53

Which CUCM object can contain one or more route groups and is referenced by route patterns?

1. Device pool
2. Route list
3. Partition
4. Region

Correct Answer: 2

Explanation

A route list can contain one or more route groups and can be referenced by route patterns. This provides a logical layer between dialed-number matching and physical gateway selection. The route pattern identifies the destination, the route list determines the logical routing path, and the route group contains the gateways that can be used. Device pools, partitions, and regions perform different functions within CUCM. Route lists are especially useful for redundancy because administrators can configure multiple route groups for alternate paths. When a gateway becomes unavailable, CUCM can use the route-list structure to select another available routing option according to the configured design.

Question 54

Which protocol is commonly used by CUCM to provide secure signaling for SIP trunks?

1. TLS
2. RTP
3. DHCP
4. TFTP

Correct Answer: 1

Explanation

TLS can be used to secure SIP signaling across supported SIP trunks. It encrypts signaling information and helps provide authentication through certificate-based trust mechanisms. RTP carries media, DHCP provides network configuration, and TFTP supports provisioning. Secure SIP trunk deployments require compatible configurations on both sides of the connection, including appropriate certificates, security profiles, and trust relationships. Administrators troubleshooting a TLS SIP trunk should check certificate validity, hostnames, certificate chains, system time, security profiles, and network connectivity. Even when signaling is successfully secured, media security is a separate consideration and may require SRTP configuration.

Question 55

Which Cisco collaboration component is designed to connect enterprise SIP infrastructure with a service provider or external SIP network?

1. Cisco Unity Connection
2. Cisco Unified Border Element
3. Cisco IM and Presence
4. Cisco TFTP

Correct Answer: 2

Explanation

Cisco Unified Border Element, or CUBE, provides a controlled boundary between enterprise voice infrastructure and external SIP networks. It can connect CUCM to service providers and other SIP environments while supporting functions such as signaling normalization, topology hiding, interoperability, and security controls. Unity Connection provides voicemail, IM and Presence provides messaging and presence, and TFTP supports provisioning. CUBE troubleshooting commonly involves checking dial peers, SIP signaling, codec compatibility, routing, NAT, security policies, and media flow. A properly designed CUBE deployment helps isolate internal collaboration infrastructure from external SIP networks while maintaining the required voice connectivity.

Question 56

Which CUCM object is used to define the digits that should match a particular outbound call-routing rule?

1. Route pattern
2. Device pool
3. Media Resource Group
4. Region

Correct Answer: 1

Explanation

A route pattern defines the digit pattern that CUCM uses to identify a particular call-routing rule. When the dialed number matches the configured pattern, CUCM can send the call toward a route list, gateway, or other configured destination. Device pools provide shared endpoint configuration, media resource groups organize media resources, and regions control codec and bandwidth relationships. Route patterns are fundamental to enterprise dial-plan design. When calls are not routed as expected, administrators should check the matching route pattern, partition, calling search space, route list, route group, and digit manipulation settings. Overlapping patterns should also be reviewed because they can influence route selection.

Question 57

Which technology provides encrypted media while RTP provides the underlying real-time transport?

1. LDAP
2. SRTP
3. SIP
4. NTP

Correct Answer: 2

Explanation

SRTP extends RTP by adding security features such as encryption, authentication, and integrity protection for real-time media. RTP itself provides the transport mechanism for real-time audio and video but does not inherently encrypt the media. SIP handles session signaling, LDAP provides directory services, and NTP synchronizes system clocks. Secure media requires compatible endpoint and system configurations, including appropriate key negotiation. When encrypted calls fail, administrators should verify that both endpoints support the required security method and that signaling successfully negotiates the secure media parameters. SRTP is an important component of secure voice and video deployments where media confidentiality is required.

Question 58

Which CUCM mechanism controls which users or devices can access specific route patterns and directory numbers?

1. Region
2. Route group
3. Calling Search Space
4. Device pool

Correct Answer: 3

Explanation

Calling Search Spaces control which partitions a calling device or user can search. Since route patterns and directory numbers can belong to different partitions, CSS configuration determines which destinations are available to the caller. Regions control media characteristics, route groups organize gateways, and device pools provide common device configuration. This combination of partitions and CSS is widely used to implement calling restrictions. When a user receives a reorder tone or cannot reach a destination, administrators should verify the caller’s CSS, the destination partition, and the route pattern or directory number configuration. Correct CSS design provides predictable and controlled enterprise dialing behavior.

Question 59

Which Cisco collaboration component provides voicemail services and supports mailbox-based message management?

1. Cisco Expressway
2. Cisco Unity Connection
3. Cisco CUBE
4. Cisco IM and Presence

Correct Answer: 2

Explanation

Cisco Unity Connection provides voicemail and mailbox-based message management. It integrates with CUCM so calls can be redirected to voicemail when users are busy, unavailable, or do not answer. Unity Connection also supports voicemail access, message notification, call handlers, and related messaging features. Expressway provides edge connectivity, CUBE provides SIP border functions, and IM and Presence provides presence and instant messaging. When voicemail delivery fails, administrators should check CUCM call routing, voicemail ports, Unity Connection integration, mailbox configuration, and network connectivity. Correct integration between CUCM and Unity Connection is necessary for reliable call forwarding and message delivery.

Question 60

Which CUCM configuration groups media resources so that they can be assigned to devices through an MRGL?

1. Calling Search Space
2. Partition
3. Media Resource Group
4. Route List

Correct Answer: 3

Explanation

A Media Resource Group, or MRG, groups related media resources such as conference bridges, transcoders, music-on-hold resources, and other supported services. MRGs can then be included in Media Resource Group Lists, which are assigned to devices or other collaboration components. Calling Search Spaces control dial-plan access, partitions organize destinations, and route lists control gateway routing. If a device cannot access a required media resource, administrators should check the device’s MRGL, the MRG membership, and the registration and availability of the resource itself. Proper MRG and MRGL design allows organizations to control which media resources are available to different groups of endpoints.