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VDV Chapter 2 Questions & answers with Complete solutions | Latest edition
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VDV Chapter 2Cisco Unified Communications Manager (CUCM) - ANS-Full support for audio and
video telephony:
Appliance-based operation: Modern CUCM versions run as an appliance, which means
the underlying operating system is hardened (secured) and inaccessible.
Redundant server cluster: Scales to 30,000 IP phones in insecure mode or 27,000 in
secure mode.
Intercluster and voice gateway control and communication:
Built-in Disaster Recovery System (DRS): As a built-in feature, the CUCM DRS service
allows you to back up the CUCM database (and any additional files you'd prefer) to a
network device or over Secure FTP (SFTP).
VMWare Virtualization Support: If you love VMWare, you'll love the fact that CUCM 8.0
is supported in a VMWare ESXi environment.
Directory service support or integration: VoIP networks can use network user accounts
for a variety of purposes (phone control, attendant console control, and so on). CUCM
has the capability to be its own directory server to hold user accounts or it can integrate
into an existing corporate directory structure
CUCM Database Relationship - ANS-The CUCM IBM Informix database includes all the
"static" data of the cluster (directory numbers, route plan, calling permissions, and so
on). This data replicates to all the servers in the cluster.
Replicated from the "publisher" to the "Subscribers
CUCM Runtime Data - ANS-Just like the name sounds, the runtime data encompasses
anything that happens in "real time" in the CUCM cluster. For example, when a device
registers with a CUCM server, it communicates to all the other servers that it now
"owns" that IP phone. CUCM uses a method designed specifically by Cisco for this type
of communication: Intracluster Communication Signaling (ICCS).
Cisco Unified Contact Center - ANS-Allows you to add call-center capabilities to your
network, such as skills-based call routing, call queuing, live monitoring of conversations
Cisco Unified MeetingPlace - ANS-Adds enhanced conference-call capabilities,
document collaboration, and training platforms.
Cisco CallManager (CCM) - ANS-The older name for Cisco Unified Communications
Manager (CUCM)
, Cisco Unified Communications Manager Express (CME) - ANS-Runs on an ISR,
integrates with IOS.
Call processing and device control
Command line or GUI based
Local directory services
computer telephony integration (Soft phones) (CTI)
Trunking to other VOIP systems
Direct integration with Cisco Unity Express (CUE)
Cisco CallManager Express (CME) - ANS-The older name for Cisco Unified
Communications Manager Express (CME)
Cisco Unity Connection - ANS-Proven appliance-based platform: Cisco Unity
Connection is built on top of the same stable, hardened, appliance-based operating
system as CUCM.
Up to 20,000 mailboxes per server
Access voicemails from anywhere
LDAP directory server integration: Similar to CUCM, Cisco Unity Connection can
integrate with an existing corporate directory
Microsoft Exchange support
Voice Profile for Internet Mail (VPIM) support
you can run Cisco Unity Connection as a voicemail server for other non-Cisco VoIP
deployments or even PBX systems; it is not tied to only the CUCM product.
talks to CUCM via SCCP or SIP
Cisco Unified Presence - ANS-Enterprise instant messaging: Unified Presence
incorporates the Jabber Extensible Communication Platform (XCP), which is an industry
standard method of communicating between different IM clients.
Message compliance: Many industries require strict compliance guidelines on instant
messenger communication. Cisco Presence supports logging functionality for all types
of IM communication (even conversations encrypted with Transport Layer Security
[TLS])
Interdomain federation: Using Interdomain federation connections from Unified
Presence, you can connect your organization to other domains, such as Google Talk or
WebEx Connect, thus giving you worldwide reach.
Jabber XCP extensibility: XCP allows you to extend Unified Presence into virtually any
area of the data or voice network. XCP can allow features such as peer-to-peer file
sharing, application sharing, video-conference systems, and so on.
Secure messaging: Applications integrating into Unified Presence can use IPSec or
TLS standards to encrypt and secure all communication.
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