Implementing Cisco IP Telephony and Video, Part 1 (CIPTV1) Free Practice Test — 30 Questions

Question 1

A network administrator is troubleshooting a persistent issue within a Cisco Unified Communications Manager (CUCM) environment where internal extensions consistently experience dropped calls when attempting to connect to external numbers, despite internal calls functioning without incident. Initial diagnostics have confirmed that the PRI trunk gateway configuration appears sound, and the CUCM dial plan, including translation and route patterns, is correctly implemented to direct these external calls. The administrator suspects that the problem might lie in a less obvious component of the call routing path, requiring a shift in investigative focus beyond the most apparent configurations. Which of the following actions represents the most adaptive and effective next step in resolving this ambiguous technical challenge?

Accepted Answer

Reviewing the Cisco Unified Border Element (CUBE) configuration for the PRI trunk to identify any specific dial-peer mismatches or policy enforcement issues impacting external call setup.

Question 2

Following a significant network infrastructure overhaul that necessitated a change in the IP addresses of the entire Cisco Unified Communications Manager (CUCM) cluster, users across the organization are reporting that their IP phones are unable to register. The network team has confirmed that the CUCM cluster is operational and accessible via its new IP addresses. An IT administrator needs to quickly restore service to all affected phones. Which action would be the most effective and efficient to ensure the IP phones re-establish their connection and registration with the CUCM cluster?

Accepted Answer

Initiate a factory reset on all affected IP phones.

Question 3

A global corporation is deploying a new Cisco IP Telephony infrastructure across multiple geographically dispersed offices. At a regional hub, a Cisco Unified Communications Manager (CUCM) cluster manages telephony services. A remote branch office, however, still relies on legacy analog fax machines for critical document exchange with another remote branch office, both of which are connected via Cisco Unified Border Elements (CUBEs) acting as media gateways. The primary concern is ensuring consistent and error-free fax transmission between these analog devices over the IP WAN. Which of the following methodologies represents the most effective technical approach to guarantee the reliability of fax communications in this scenario?

Accepted Answer

Implementing T.38 Fax Relay on all CUBEs and CUCM gateways to encapsulate fax data over UDP, providing enhanced error correction for transmissions across the IP network.

Question 4

A multinational corporation\'s core IP telephony infrastructure, responsible for all client interactions, experiences a complete service outage. Investigations reveal a cascading failure originating from a recent, poorly executed network segment upgrade that corrupted the primary call control manager\'s configuration and subsequently impacted its synchronized partner. The business impact is severe, with all inbound and outbound voice and video communications halted. What immediate, decisive action should the network engineering team prioritize to restore a baseline level of operational capability while concurrently addressing the root cause?

Accepted Answer

Initiate a rollback of the recent network upgrade configuration on the primary call control manager and simultaneously bring the secondary call control manager online with a pre-failure baseline configuration, bypassing the affected network segment.

Question 5

A multinational corporation, \'Globex Innovations,\' operates two primary sites: Site Alpha, located in a region with direct PSTN gateway connectivity, and Site Beta, which relies on an inter-office IP trunk to reach the PSTN. Both sites utilize Cisco Unified Communications Manager (CUCM) for call processing. Employees at Site Alpha must be able to dial local numbers directly via their site\'s PSTN gateway. Employees at Site Beta, when dialing external numbers, must have their calls routed over the IP trunk to Site Alpha\'s region, where they will then egress via Site Alpha\'s PSTN gateway. Which combination of CUCM configurations would most effectively achieve this segregated PSTN access strategy, ensuring optimal call routing and adherence to the company\'s network architecture?

Accepted Answer

Configure distinct Route Patterns for each site, with Site Alpha's Route Patterns pointing to its local gateway and Site Beta's Route Patterns directing calls over the inter-office trunk to Site Alpha's gateway, utilizing separate Calling Search Spaces (CSS) assigned to devices at each site to enforce these patterns.

Question 6

A team of customer support agents utilizes a Cisco IP phone system configured with CUCM. They are organized into a hunt group for incoming customer inquiries. The hunt group is set to a circular hunt order, with a busy trigger of 1, meaning calls are immediately presented to the first available agent. However, during a critical system-wide network maintenance event, all agents\' phones become simultaneously unregistered from CUCM. All agents are also logged out of their respective Jabber clients, further ensuring their unavailability. What is the most likely outcome for incoming calls directed to the hunt group pilot number during this period of universal agent unavailability?

Accepted Answer

Calls will be routed to the voicemail box associated with the hunt group pilot number.

Question 7

Consider a Cisco Unified Communications Business Edition (UCBE) deployment where the Publisher server is experiencing an unexpected outage. The network infrastructure remains operational, and the Subscriber server, which is configured to handle call processing, is fully functional. A group of IP phones are registered to this Subscriber server. What will be the operational status of these IP phones during the Publisher\'s downtime?

Accepted Answer

The IP phones will remain registered to the Subscriber and continue to function normally, processing both incoming and outgoing calls.

Question 8

During the deployment of a new Cisco Unified Communications Manager (CUCM) cluster for a global enterprise, a specific branch office reports that users in their accounting department are experiencing frequent, unexplainable call drops and prolonged periods of silence before dial tone is provided. Network diagnostics have confirmed robust connectivity and no issues with individual endpoints. The issue appears localized to this department, suggesting a configuration or resource allocation problem within the CUCM environment. Which of the following underlying issues, if present, would most directly explain these symptoms and align with advanced call processing troubleshooting principles taught in CIPTV1?

Accepted Answer

An improperly configured Media Resource Group List (MRGL) assigned to the accounting department's calling search space, leading to the unavailability or exhaustion of required media resources for call establishment and media path setup.

Question 9

During a large-scale, multi-vendor IP telephony and video system deployment across several branch offices, the project lead encounters unexpected interoperability challenges between the chosen Cisco Unified Communications Manager (CUCM) cluster and a third-party video conferencing endpoint. Initial testing reveals that certain advanced codec features are not functioning as anticipated, requiring a significant revision of the planned configuration and potentially a temporary reliance on a less feature-rich fallback protocol. Which behavioral competency is most critical for the project lead to effectively navigate this evolving situation and ensure project continuity?

Accepted Answer

Adaptability and Flexibility

Question 10

Following the successful implementation of a new Cisco Unified Communications Manager cluster for a global financial services firm, the project team is tasked with migrating over 5,000 users from legacy analog phone systems and a disparate VoIP solution to the new IP telephony infrastructure. Initial pilot testing revealed that while the core functionality of the new system is robust, user adoption is slower than anticipated, with a significant number of support tickets related to basic feature usage and call routing confusion. The firm\'s leadership is concerned about maintaining productivity during this transition and ensuring a positive return on investment. What strategic approach would most effectively address these user adoption challenges and ensure a smooth transition to the new IP telephony environment?

Accepted Answer

Implement a multi-phase rollout strategy with targeted, role-based training sessions, comprehensive user guides, and dedicated support channels, coupled with ongoing communication highlighting system benefits and providing regular usage tips.

Question 11

A network administrator for a global enterprise is investigating persistent, intermittent audio artifacts and occasional call drops experienced by users at a remote branch office. These issues are predominantly observed during the morning and late afternoon periods, coinciding with peak business hours. The branch office primarily utilizes Cisco Unified Communications Manager (CUCM) for its telephony services, with local media resources configured within a specific device pool. Initial troubleshooting has ruled out general network congestion and basic IP phone configuration errors. What underlying mechanism within Cisco\'s IP Telephony architecture is most likely contributing to these symptoms, given the timing and nature of the reported problems?

Accepted Answer

Insufficient allocation of media resources within the branch office's device pool, leading to contention during peak call volume.

Question 12

During a critical deployment of a new Cisco Unified Communications Manager version, a voice engineering team encounters persistent issues with call setup failures and intermittent audio degradation affecting a mix of Cisco 8800 and 7900 series phones. Initial troubleshooting efforts, focused on individual device configurations and network segments, yield no definitive root cause. The team lead, observing a lack of progress and increasing frustration, decides to shift the team\'s operational paradigm. Which combination of behavioral and technical competencies, when effectively applied by the team lead and members, would most likely lead to a swift and accurate resolution of these complex, ambiguous issues?

Accepted Answer

Emphasizing proactive problem identification, fostering cross-functional communication for collaborative problem-solving, simplifying technical information for diverse audience understanding, and demonstrating resilience in the face of technical setbacks.

Question 13

A network administrator is overseeing the transition of an organization’s legacy analog communication endpoints, including critical fax machines and dial-up modems, to a modern Cisco IP telephony infrastructure. A key requirement is to ensure that fax transmissions remain robust and error-free during this migration. The administrator has identified the need for a specific real-time transport protocol to facilitate reliable fax relay over the IP network, distinct from standard voice codecs. Which real-time transport protocol is essential for maintaining the integrity and success rate of fax communications in this IP-based environment?

Accepted Answer

T.38

Question 14

An organization is undertaking a phased migration of its Cisco IP Telephony infrastructure from an existing CUCM cluster to a new, upgraded cluster. The migration strategy involves redirecting endpoints to the new cluster without significant service disruption. The primary objective is to ensure that IP phones seamlessly re-register to the new call processing environment after the DNS records for the CUCM cluster have been updated. Which of the following configuration changes is most critical to facilitate the successful and timely re-registration of the majority of IP phones to the new CUCM cluster during this planned migration?

Accepted Answer

Reconfiguring DHCP Option 150 to provide the IP addresses of the new CUCM cluster's TFTP servers.

Question 15

A telecommunications firm is experiencing sporadic disruptions in voice and video communication across its distributed workforce. Users report intermittent call drops and a noticeable degradation in audio clarity, particularly for those connecting from remote office locations. Initial diagnostics have ruled out endpoint registration failures and basic call signaling issues. The network infrastructure appears stable, with no widespread connectivity problems. The IT team suspects that the underlying cause might be related to how the real-time media streams are being processed and transported within the Cisco Unified Communications Manager (CUCM) environment, especially considering the need to maintain service quality for a geographically dispersed user base. Which CUCM feature or configuration element is most directly implicated in managing the reliable and efficient flow of real-time media, particularly when direct media paths are not ideal or specific call processing features necessitate media intervention?

Accepted Answer

Media Termination Point (MTP)

Question 16

A network administrator is troubleshooting call routing for a Cisco IP phone assigned to a user named Anya Sharma. The phone is configured with two directory numbers: extension 301, designated as the primary, and extension 302, designated as secondary. Extension 301 has its \"Forward All Calls\" feature configured to redirect to an external mobile number, +1-800-555-0199. Extension 302 has its \"Forward All Calls\" feature configured to redirect to the internal voicemail pilot number, 9999. When an inbound call is placed to Anya Sharma\'s primary extension (301), which destination will the call be routed to?

Accepted Answer

The external mobile number +1-800-555-0199

Question 17

Consider a large enterprise migrating its legacy telephony system to a new Cisco Unified Communications Manager (CUCM) infrastructure, impacting thousands of employees across multiple geographical locations, including a significant remote workforce. Initial feedback indicates user apprehension regarding the transition to softphones and the integrated video conferencing capabilities, citing concerns about complexity and potential disruption to established workflows. The project team is observing a slower-than-anticipated adoption rate and an increase in support tickets related to basic system navigation and feature utilization. What integrated strategy, focusing on behavioral competencies and technical proficiency, would most effectively address these adoption challenges and ensure a smooth transition?

Accepted Answer

Implement a comprehensive, multi-modal training program tailored to different user roles, establish dedicated feedback channels for ongoing support and issue resolution, conduct phased rollouts with user acceptance testing, and cultivate a network of internal system champions to foster peer-to-peer assistance.

Question 18

A network administrator is tasked with deploying a new Cisco Unified Communications Manager (CUCM) cluster and integrating Cisco 8841 IP phones. Upon booting, the phones correctly obtain IP addresses via DHCP and identify the CUCM Publisher\'s IP address as the TFTP server. However, the phones fail to register, displaying an error message indicating they are unable to retrieve their configuration files. Network monitoring confirms that the phones are initiating TFTP requests for files named \"Sep.cnf.xml\" but these requests are not resulting in successful file downloads. What is the most probable underlying cause for this persistent failure in phone registration?

Accepted Answer

The IP phone's MAC address has not been correctly entered and associated with a valid device pool within the CUCM system.

Question 19

Consider a scenario where a user, Kaelen, is configured with Extension Mobility. Kaelen logs into a Cisco IP Phone using their credentials, successfully registering their line. Subsequently, while logged into the phone, Kaelen manually configures call forwarding on the *phone\'s* line appearance to forward all calls to an external mobile number. If Kaelen’s Extension Mobility profile also has a call forwarding setting configured to a different internal voicemail extension, and an incoming call arrives for Kaelen’s extension while they are logged into the phone, to which destination will the incoming call be forwarded?

Accepted Answer

The external mobile number configured directly on the phone's line appearance.

Question 20

Following a catastrophic network outage that has rendered the primary Cisco Unified Communications Manager (CUCM) publisher in a geographically distributed cluster unresponsive, a significant number of IP phones across multiple sites are unable to register. The secondary CUCM subscriber server, however, remains operational and accessible. A network administrator is tasked with rapidly restoring basic voice communication capabilities. Which of the following actions would most effectively address the immediate service degradation?

Accepted Answer

Ensure that IP phones are configured to attempt registration with the available secondary CUCM subscriber.

Question 21

A multinational corporation is undertaking a phased migration from its antiquated circuit-switched Private Branch Exchange (PBX) to a sophisticated Cisco Unified Communications Manager (CUCM) infrastructure. During the pilot deployment in the European division, several end-users expressed confusion regarding the new voicemail access procedures and the real-time availability status indicators, which differ significantly from their previous system. The project lead observes that the technical team is proficient in CUCM configuration but is struggling to effectively address user concerns and guide them through the unfamiliar functionalities, impacting adoption rates. Which behavioral competency is most critical for the project team to demonstrate to overcome these adoption hurdles and ensure a successful transition?

Accepted Answer

Adaptability and Flexibility

Question 22

A global enterprise, leveraging Cisco IP Telephony, is encountering sporadic call failures between its London and Tokyo offices. These failures are predominantly observed during peak business hours when WAN utilization surges. Analysis of call detail records reveals that while RTP streams are generally established, the initial call setup phase using ISDN Q.931 signaling is frequently disrupted. Network engineers have identified that a specific WAN router on the path between these sites is fragmenting Q.931 setup packets under load, leading to lost signaling messages. The existing Quality of Service (QoS) configuration on this router prioritizes voice media (RTP) using Expedited Forwarding (EF) but has a less defined policy for signaling traffic. Which of the following adjustments to the WAN router\'s QoS policy would most effectively mitigate these call setup failures by ensuring reliable delivery of signaling messages during congestion?

Accepted Answer

Implement a class-map to identify and prioritize ISDN Q.931 signaling traffic with a DSCP value of AF31, ensuring it is placed in a priority queue with a sufficient buffer to prevent fragmentation-induced drops.

Question 23

A network administrator is configuring Cisco Unified Communications Manager Express (CUCME) to allow internal extension 3001 to place outbound calls to external telephone numbers. The external telephone provider uses a SIP trunk, and the CUCME router is configured with a SIP dial-peer. The administrator has created a dial-peer with the following configuration:

```
dial-peer voice 10 voip
 destination-pattern 9876543210
 port 1/0/0
 codec g711ulaw
 no vad
```

Another dial-peer exists with the following configuration:

```
dial-peer voice 20 voip
 incoming called-number .T
```

When extension 3001 attempts to dial the external number 9876543210, the call fails to establish. Which configuration parameter in the existing dial-peers is preventing the successful outbound call to 9876543210?

Accepted Answer

The absence of `session target ipv4:X.X.X.X` within dial-peer 10.

Question 24

Anya, a network engineer, is investigating reports of intermittent audio quality degradation and call drops affecting users connected via a Cisco ISR acting as a media gateway to her Cisco Unified Communications Manager (CUCM) cluster. The network transport between the gateway and the CUCM cluster exhibits no significant packet loss or latency. However, during periods of high call volume, the issues become more pronounced. Anya suspects a configuration issue related to how the gateway manages concurrent media sessions. Considering the typical limitations imposed on media gateways to control resource utilization and prevent network congestion, which specific gateway configuration parameter, if set inappropriately low, would most directly explain these symptoms by limiting the number of simultaneous voice or video streams the gateway can handle?

Accepted Answer

The `max-streams` parameter on the gateway's SIP or MGCP configuration.

Question 25

During a critical phase of a multi-site IP telephony system upgrade, the project manager, Anya, is tasked with presenting the project\'s progress and future needs to the executive board. The board members possess diverse technical backgrounds, with some having limited understanding of telecommunications infrastructure. Anya needs to effectively communicate the value proposition and secure continued investment. Which communication approach would be most effective in gaining executive buy-in and understanding?

Accepted Answer

Focusing on the projected improvements in inter-site call efficiency, reduction in operational expenditures, and enhanced customer service capabilities, using clear business-oriented language.

Question 26

A network administrator is troubleshooting intermittent call setup failures within a Cisco Unified Communications Manager (CUCM) environment. Users report that calls to specific internal extensions are not connecting, and CUCM logs indicate a SIP 488 Not Acceptable Here response originating from the destination endpoint. The traces reveal that the initial INVITE message contains a proposed codec that the destination endpoint cannot process due to its configured codec preferences. What is the most effective initial step to resolve this specific call failure scenario?

Accepted Answer

Verify and adjust the codec preferences within the device pool associated with the destination endpoint, ensuring a mutually supported codec is available in the shared codec list.

Question 27

A rapidly expanding enterprise is establishing a new, significant branch office in a geographically distinct region. The primary goal is to provide robust, feature-rich IP telephony services to approximately 200 users at this new location, ensuring continuity of essential communication functions even in the event of a Wide Area Network (WAN) link disruption to the main headquarters. The central IT team, managing a Cisco Unified Communications Manager (UCM) cluster at the headquarters, needs to integrate this new branch seamlessly while optimizing resource allocation and maintaining a manageable administrative overhead. Which of the following deployment strategies best addresses these requirements for the branch office?

Accepted Answer

Deploy Cisco Unified Communications Manager Express (CME) on a Cisco ISR router at the branch, integrating it with the central UCM cluster for dial plan synchronization and feature interworking.

Question 28

A network administrator is troubleshooting a multi-site Cisco IP Telephony deployment where users report frequent call interruptions, garbled audio, and calls abruptly disconnecting. Initial investigations confirm that the Cisco Unified Communications Manager (CUCM) cluster is properly configured, all Cisco Unified Border Elements (CUBEs) are registered and functioning, and network latency between sites is within acceptable parameters. However, diagnostic tools reveal significant packet loss and jitter on the voice traffic paths during peak usage hours. Which of the following actions would most directly address the underlying network condition causing these audio quality degradations and call failures?

Accepted Answer

Implement or verify Quality of Service (QoS) policies on network devices to prioritize voice media packets based on their DSCP markings.

Question 29

An enterprise network administrator is tasked with configuring Cisco Unified Communications Manager (CUCM) for a multi-site deployment. Internal extensions across all sites utilize a consistent 4-digit numbering scheme (e.g., 1XXX for Site A, 2XXX for Site B). Users in Site A must be able to dial users in Site B directly by simply entering their 4-digit extension number, without any preceding access codes or site identifiers. Which CUCM dial plan component is most instrumental in ensuring that these dialed extension numbers are correctly interpreted and routed internally between sites, thereby maintaining a seamless internal calling experience?

Accepted Answer

Translation Patterns

Question 30

A distributed Cisco Unified Communications Manager (CUCM) cluster is experiencing sporadic call quality degradation, characterized by instances of one-way audio on specific user extensions. Initial diagnostics confirm that the Session Initiation Protocol (SIP) signaling for these calls is establishing correctly, and the endpoints themselves are functioning within normal parameters. The issue appears to be path-dependent, affecting users connected via different network segments. Given that voice media streams rely heavily on real-time transport protocols, what is the most probable underlying network-related cause for this observed behavior?

Accepted Answer

Inadequate Quality of Service (QoS) implementation for real-time media traffic across the network infrastructure.

Implementing Cisco IP Telephony and Video, Part 1 (CIPTV1) Free Practice Test — 30 Questions

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