2013 Latest CCNA Voice 640-461 Real Exam Question 116-119


In a Cisco UCM single-site deployment, what is the maximum number of IP phones that can register with a UCM cluster?
A. 2500
B. 7500
C. 10000
D. 30000
Correct Answer: D Section: CUCM Explanation
Single Site
The single-site model for IP telephony consists of a call processing agent located at a single site, or campus, with no telephony services provided over an IP WAN. An enterprise would typically deploy the single-site model over a LAN or metropolitan area network (MAN), which carries the voice traffic within the site. In this model, calls beyond the LAN or MAN use the public switched telephone network (PSTN).
The single-site model has the following design characteristics:
Single Cisco Unified CallManager or Cisco Unified CallManager cluster.
Maximum of 30,000 Skinny Client Control Protocol (SCCP) IP phones or SCCP video endpoints per cluster.
Maximum of 500 H.323 devices (gateways, MCUs, trunks, and clients) per Cisco Unified CallManager cluster.
PSTN for all external calls.
Digital signal processor (DSP) resources for conferencing, transcoding, and media termination point (MTP).
Voicemail or unified messaging components.
Capability to integrate with legacy private branch exchange (PBX) and voicemail systems.
H.323 clients, MCUs, and H.323/H.320 gateways that require a gatekeeper to place calls must register with a Cisco IOS Gatekeeper (Cisco IOS Release 12.3(8)T or greater). Cisco Unified CallManager then uses an H.323 trunk to integrate with the gatekeeper and provide call routing and bandwidth management services for the H.323 devices registered to it. Multiple Cisco IOS Gatekeepers may be used to provide redundancy.
MCU resources are required for multipoint video conferencing. Depending on conferencing requirements, these resources may be either SCCP or H.323, or both.
H.323/H.320 video gateways are needed to communicate with H.320 videoconferencing devices on the public ISDN network.
High-bandwidth audio (for example, G.711, G.722, or Cisco Wideband Audio) between devices within the site.
High-bandwidth video (for example, 384 kbps or greater) between devices within the site. The Cisco Unified Video Advantage Wideband Codec, operating at 7 Mbps, is also supported.
Figure 2-1 illustrates the model for an IP telephony network within a single campus or site. Figure 2-1 Single-Site Deployment Model
Link: http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/srnd/4x/42models.html

Ans administrator wants to import users using the Bulk Administration menu in Cisco Unified Communication is valid for this operation?
Correct Answer: D Section: CUCM Explanation
CSV is the format in which administrator can import users using the Bulk Administration menu in Cisco Unified Communications.

Which statement accurately describes a calling search space?
A. a group of object with similar reach ability characteristics.
B. a calling feature that finds mobile users.
C. a toll that is used to track calls to certain numbers.
D. a feature that defines which partitions are reachable from a device.
Correct Answer: D Section: CUCM Explanation
Calling Search Spaces
A calling search space defines which partitions are accessible to a particular device. Devices that are assigned a certain calling search space can access only the partitions listed in that calling search space. Attempts to dial a DN in a partition outside that calling search space will fail, and the caller will hear a busy signal.
If you configure a calling search space both on an IP phone line and on the device (phone) itself, Cisco Unified CallManager concatenates the two calling search spaces and places the line’s calling search space in front of the device’s calling search space, as shown in Figure 10-6.
Figure 10-6 Concatenation of Line and Device Calling Search Spaces for IP Phones
Note: In versions of Cisco Unified CallManager prior to Release 4.2, the device calling search space remains the same as the device is moved to different parts of the network. With Cisco Unified CallManager 4.2, the device calling search space can be determined dynamically based on where in the network the phone is physically located, as determined by the phone’s IP address. See Device Mobility, for more details.
If the same route pattern appears in two partitions, one contained in the line’s calling search space and one contained in the device’s calling search space, then according to the rules described in the section on Partitions, Cisco Unified CallManager selects the route pattern listed first in the concatenated list of partitions (in this case, the route pattern associated with the line’s calling search space).
For recommendations on how to set the line and device calling search spaces, refer to the sections on Building Classes of Service for Cisco Unified CallManager, and Classes of Service with the Line/Device Approach.
The maximum length of the combined calling search space (device plus line) is 1024 characters, including separator characters between each partition name. (For example, the string “partition_1:partition_2: partition_3” contains 35 characters.) Thus, the maximum number of partitions in a calling search space varies, depending on the length of the partition names. Also, because the calling search space clause combines the calling search space of the device and that of the line, the maximum character limit for an individual calling search space is 512 (half of the combined calling search space clause limit of 1024 characters).
Therefore, when you are creating partitions and calling search spaces, keep the names of partitions short relative to the number of partitions that you plan to include in a calling search space. For more details on configuring calling search spaces, refer to the Cisco Unified CallManager Administration Guide, available online at
Before you configure any partitions or calling search spaces, all DNs reside in a special partition named , and all devices are assigned a calling search space also named . When you create custom partitions and calling search spaces, any calling search space you create also contains the partition, while the calling search space contains only the partition.
Note: Any dial plan entry left in the partition is implicitly reachable by any device making a call. Therefore, to avoid unexpected results, Cisco strongly recommends that you do not leave dial plan entries in the partition.
Note: Cisco strongly recommends that you do not leave any calling search space defined as . Doing so can introduce dial plan behavior that is difficult to predict.
Link: http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/srnd/4x/42dialpl.html

An engineer is configuring a new Cisco Unified Communications Manager server. However, when the engineer tries to register the IP phones, the registrations are unsuccessful. When the engineer checks one of the phones, there is no status that is shown along with the Cisco Unified Communications Manager server IP address. What is the probable cause?
A. The server connection is established, but the information is encrypted.
B. There is no current connection with the Cisco Unified Communications Manager server.
C. The Cisco Unified Communications Manager server is currently available.
D. The currently receiving call-processing services are running on the phone.
Correct Answer: B Section: CUCM Explanation
Which Cisco Unity Connection report provides a summary view of the current size, last error condition, and status of the mailbox store?
A. Users
B. Message Traffic
C. Mailbox Store
D. System Configuration
Correct Answer: C Section: Unity Connection Explanation
Reports Available in Cisco Unity Connection
Includes the following information about the specified :

Mail database name.
Display name.
Server name.
Whether access is enabled.
Mailbox store size.
Last error.
Whether the mail database can be deleted.
Link: http://www.cisco.com/en/US/docs/voice_ip_comm/connection/8x/administration/guide/8xcucsag300.html

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