IP Communications IP Telephony Exam (CIPT) : 642-444 Exam
Exam 642-444: Cisco IP Telephony for Release 4.x (CIPT-4.X)
Related Certifications: CCVP, IP Telephony Support Specialist
Number of Questions: 60-70
Duration: 90 minutes
Exam Topics Include:
* Perform an installation and initial set up of a CallManager cluster
* Configure Call Manager to support a call between any two endpoints
* Given a list of IP phone features, configure the CallManager to support the given feature
* Secure an IP telephony network
* Given a specific set of IP telephony applications and tools, configure CallManager to support the applications
* Monitor and manage an IP telephony network using Internal Server Tools
The Cisco IP Telephony 642-444 CIPT-4.x is the exam associated with the CCVP and Cisco IP Communications Support Specialist certifications. This exam tests a candidate’s knowledge of VoIP and PSTN components and technologies and the candidate’s ability to describe, install, configure and support CCM 4.x products in a Cisco network, including such features as security and video. Topics covered include VoIP, PSTN, and CCM.
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What is required for the Barge feature to work?
A. a conference bridge
B. a shared line
C. a conference already in process
D. a multiple line appearence
Answer: B
Barge and Privacy
The Barge and Privacy features work with each other. Both features work with only
shared lines.
http://www.cisco.com/en/US/partner/products/sw/voicesw/ps556/products_administration_guide_chapter09186
a
QUESTION 2
A CallManager cluster topology of Cisco MCS 7835s (each capable of supporting
2500 calls) is being designed for an IP telephony network. The cluster design must
1) support up to 3,000 phones
2) provide a level of redundancy
3) be cost effective
4) support a very heavy streamed media file load.
Given those necessities, which of the following configurations requires the fewest
number of CallManagers but still provides acceptable performance?
A. Four: Publisher, TFTP server, and two Primaries
B. Five: Publisher, TFTP server, two Primaries, and a Secondary (covering both
Primaries)
C. Four: combined Publisher and TFTP server, two Primaries, and a Secondary (covering
both Primaries)
D. Six: Publisher, TFTP server, two Primaries, two secondaries (one for each Primary)
E. Six: Publisher, TFTP server, two Primaries, and a Secondary (covering both
Primaries), and a Tertiary (covering both Primaries)
F. Six: Publisher, TFTP server, two Primaries, two secondaries (one for each Primary),
and two Tertiaries (one for each Primary)
Answer: B
QUESTION 3
What is required for a Cisco IP Phone to obtain an address from a Cisco
CallManager running the DHCP service if they are not both on the same subnet?
A. default router
B. option 150 with the IP address of the CallManager
C. option 86 with the IP address of the TFTP server
D. IP helper address
Answer: D
Explanation: IP helper address modifies the IP phone DHCP broadcast to a unicast so
the request can be routed to other subnets where DHCP server sits on.
QUESTION 4
Assume users are regularly moving throughout the enterprise. Which scenario is a
good candidate for Extension Mobility?
A. multiple campuses, each as its own cluster
B. single campus, one cluster per building
C. multiple campuses, each connecting into a single cluster
D. single building, one cluster for each floor
Answer: C
Reference:
http://www.cisco.com/en/US/partner/products/sw/voicesw/ps556/products_administration_guide_chapter09186
a
QUESTION 5
What service must be activated on a Subscriber to support WebAttendant?
A. Cisco Database Layer Monitor
B. Cisco IP Voice Media Streaming
C. Cisco TFTP Server
D.
The design must accomplish the following:
1. support up to 6,5000 phones
2. provide a minimal level of redundcy
3. be cost effective
Select the best configuration that requires the fewest number of CallManagers while
still providing acceptable performance.
A. Three: Combined Publisher and TFTP server, and Two Primaries
B. Five: Publisher, TFTP server, and three Primaries
C. Seven: Publisher, TFTP server, three Primaries, and two Secondaries (each covering
two Primaries)
D. Eight: Publisher, TFTP server, three Primaries, and three Secondaries (one for each
Primary)
E. Nine: Publisher, TFTP server, three Primaries, three Secondaries (each covering one
Primary), and one Tertiary
Answer: C
Cisco CDR Insert
E. Cisco Telephony Call Dispatcher
Answer: E
Understanding the Cisco Telephony Call Dispatcher
The attendant console application registers with and receives call-dispatching services
from the Cisco Telephony Call Dispatcher (TCD). The Cisco TCD, a Cisco CallManager
service, provides communication among Cisco CallManager servers, attendant consoles,
and the Cisco IP Phones that are used with the attendant consoles.
Note
If you use the attendant console in a cluster environment, make sure that all
CiscoCallManagers within a cluster have the CiscoTCD service activated and running.
You must manually activate the service through CiscoCallManager Serviceability.
Attendant console redundancy requires this setup to work properly; however, not all
CiscoTCDs are required to have a route point.
QUESTION 6
A CallManager cluster topology of Cisco MCS 7835s (each capable of supporting
2500 calls) is being designed for an IP telephony network.
QUESTION 7
What DHCP configuration will provide TFTP server redundancy for Cisco IP
Phones?
A. ip dhcp pool Voice
network 10.1.1.0 255.255.255.0
default-router 10.1.1.1
option 150 ip 10.10.10.100 10.10.10.101
B. ip dhcp pool Voice
network 10.1.1.0 255.255.255.0
default-router 10.1.1.1
option 150 ip 10.10.10.100
option 150 ip 10.10.10.101
C. ip dhcp pool Voice
network 10.1.1.0 255.255.255.0
default-router 10.1.1.1
option 150 ip 10.10.10.100
option 66 ip 10.10.10.101
D. ip dhcp pool Voice
network 10.1.1.0 255.255.255.0
default-router 10.1.1.1
option 150 ip 10.10.10.100
bootp 10.10.10.101
Answer: A
QUESTION 8
A CallManager cluster considering of a publisher and two subscribers is supporting c
2000 IP phones with 1:1 redundancy.
What two services should be enabled on the subscribers? Select two.
A. Cisco CallManager Service
B. Cisco Messaging interface
C. Cisco TFTP server
D. Cisco CDR insert
E. Cisco Telephony Call Dispatcher
Answer: A, E
QUESTION 9
Which of the following enterprises would be best benefited by using multicast MOH
server(s)?
A. a small enterprise with few calls on hold
B. a large enterprise with many calls on hold
C. a mid-range enterprise with many calls on hold where each stream must start at the
beginning
D. a large enterprise with few calls on hold where each stream must start at the
beginnning
Answer: B
QUESTION 10
What will happen if Option 150 is not configured on the DHCP server?
A. Cisco CallManager will be unable to register IP Phones.
B. Cisco CallManager will be unable to access the TFTP server.
C. IP Phones will not be able to receive VLAN information.
D. IP Phones will not be able to load their configuration files.
E. The DHCP server will not be able to answer requests from IP Phones.
F. Cisco CallManager will be unable to replicate its database to the subscribers.
Answer: D
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