QUESTION 101
Which of the following are NOT true statements about Certificate Trust List (CTL) File? (Choose Two)
A. It is a list of devices and credentials that a phone should trust on the network.
B. The CTL file is signed by administrator workstation password.
C. It contains identity, public key and role information.
D. Phones need to trust all entries in the CTL file which could be CCM, TFTP, CAPF, etc.
E. The CTL file is loaded to the phone each time when authentication is required.
F. The CTL is created by CTL Client on administrator workstation.
Answer: BE
QUESTION 102
A software media termination point should be deployed to support which call processing models and services?
A. To support remote sites for multi-site distributed call processing models and H.323v1.
B. To support remote sites in a centralized call processing model and H.323v1.
C. To support single site call processing models and H.323v1.
D. To support IP Telephony Service Providers and H.323v1.
Answer: C
QUESTION 103
Which of these best describes encoder delay in a VoIP network?
A. the time that is taken by the DSP to compress a block of PCM samples
B. the time that is taken by the compression algorithm to correctly process samples block N
C. the time that is taken to fill a packet payload with encoded/compression speech
D. the time that is required to clock a voice frame onto the network interface
E. the time that is taken to queue a voice frame for transmission on the network connection
Answer: A
QUESTION 104
Which would be situations where configuring and using a DNS server would be advisable in an IP telephony network. (Choose 2)
A. If Network Address Translation (NAT) is required for communication between the IP phones and
Cisco CallManager.
B. DNS names resolution is required within the cluster deployed in a single site.
C. DNS names resolution is required for Multi-Site WAN Deployments with Centralized Call Processing.
D. DNS names resolution is required for Multi-Site WAN Deployments with Distributed Call Processing.
E. IP telephony disaster recovery network configurations.
F. The size of the DNS response exceeds 1500 bytes, so only the first 1500 bytes are returned by the
DNS server.
G. The MTU size in the network is longer than the bandwidth will allow.
Answer: AE
QUESTION 105
Consider the exhibit. On which two of the links (labeled A through F) would SCCP be used as the protocol? (Choose 2)
A. A
B. B
C. C
D. D
E. E
F. F
Answer: BF
QUESTION 106
Company CADORNA’s INC. is planning a deployment of Cisco IP Telephony using the Centralized Call Processing model. The company has 1 HQ and 25 branches in a hub and spoke configuration. Additionally, there will be an interconnection with multiple Telephony Service Providers using H323. Which Call Admission Control methods should be used in this network?
A. Use Locations-based CAC with the Telephony Service Providers and GK-based CAC with the branches
B. Use Locations-based CAC with the Telephony Service Providers and with the branches
C. Use Locations-based CAC with the branches and GK-based CAC with the Telephony Service Providers
D. Use GK-based CAC with the Telephony Service Providers and with the branches
Answer: C
QUESTION 107
In Cisco’s Thunderdial and Thundervoice solution using SS7, SLT can terminate which link type?
A. T1/PRI
B. A-Link or F-Link
C. T1 with IMTs
D. IMTs with Bearer channels
E. A-Link only
F. F-Link only
Answer: B
QUESTION 108
Given a traffic profile consisting of voice, call signaling, interactive-video, transactional and bulk data, a best-effort class and a “less-than Best Effort” scavenger-class, which class maps would correctly identify these applications? (Note: Assume the applications have already been previously marked to their Cisco QoS Baseline default marking recommendations. Additionally, assume any application classes marked to an RFC 2597 AF PHB may have also been previously remarked by a policer.)
A. class-map VOICE
match ip dscp 46
class-map INTERACTIVE-VIDEO
match ip dscp 41 42 43
class-map CALL-SIGNALING
match ip dscp 24
class-map TRANSACTIONAL-DATA
match ip dscp 21 22 23
class-map BULK-DATA
match ip dscp 11 12 13
class-map SCAVENGER
match ip dscp 10
B. class-map VOICE
match ip dscp 46
class-map INTERACTIVE-VIDEO
match ip dscp 30 32 34
class-map CALL-SIGNALING
match ip dscp 24
class-map TRANSACTIONAL-DATA
match ip dscp 20 22 24
class-map BULK-DATA
match ip dscp 10 12 14
class-map SCAVENGER
match ip dscp 8
C. class-map VOICE
match ip dscp 46
class-map INTERACTIVE-VIDEO
match ip dscp 34 36 38
class-map CALL-SIGNALING
match ip dscp 24
class-map TRANSACTIONAL-DATA
match ip dscp 18 20 22
class-map BULK-DATA
match ip dscp 10 12 14
class-map SCAVENGER
match ip dscp 8
D. class-map VOICE
match ip dscp 46
class-map INTERACTIVE-VIDEO
match ip dscp 34 35 36
class-map CALL-SIGNALING
match ip dscp 24
class-map TRANSACTIONAL-DATA
match ip dscp 18 19 20
class-map BULK-DATA
match ip dscp 10 11 12
class-map SCAVENGER
match ip dscp 8
Answer: C
QUESTION 109
In a CallManager 4.x server, if the clocks on both systems need to be synchronized, which of the following commands will accomplish this task?
A. ntpset
B. ntpdate
C. ntpclock
D. timeset
E. only ntp
Answer: B
QUESTION 110
Suppose your business has a need to send and receive real-time fax over a VoIP network. Which fax protocol(s) could you implement? (Choose 2)
A. T.38 Fax-relay
B. T.37 Fax Over IP
C. Fax Passthrough
D. MGCP
Answer: AC
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