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Question 1:
A customer is deploying a SIP IOS gateway for a customer who requires that in-band DTMF relay is first priority and out-of-band DTMF relay is second priority.
Which IOS entry sets the required priority?
A. dtmf-relay rtp-nte sip-notify
B. dtmf-relay cisco-rtp
C. sip-notify dtmf-relay rtp-nte
D. dtmf-relay sip-kpml cisco-rtp
Correct Answer: A
Question 2:
Which command in the MGCP gateway configuration defines the secondary Cisco Unified Communications Manager server?
A. mgcapp
B. ccm-manager fallback-mgcp
C. mgcp call-agent
D. ccm-manager redundant-host
Correct Answer: D
https://www.cisco.com/c/en/us/td/docs/ios/voice/cminterop/configuration/guide/12_4t/vc_12_4t_book/vc_ucm_mgcp_gw.html
Question 3:
Which access control group is required on an end user to allow Jabber to do deskphone mode?
A. Allow Control of Device from CTI
B. Standard CTI Enabled
C. Standard CTI Allow Reception of SRTP Key Material
D. Standard CTI Secure Connection
Correct Answer: B
Question 4:
An engineer implements a new Cisco UCM based telephony system per these requirements:
1.
The local Ethernet bandwidth is sized based on the total bandwidth per call.
2.
A G.736 codec is used.
3.
The bit rate is 64 kbps.
4.
The codec sample interval is 10 ms.
5.
The voice payload size is 160 bytes per 20 ms.
What should the size of the Ethernet bandwidth be per call?
A. 31.2 kbps
B. 38.4 kbps
C. 55.2 kbps
D. 87.2 kbps
Correct Answer: D
To calculate the Ethernet bandwidth per call, we need to take into account the total number of bytes per second in each direction (transmit and receive) and add additional overhead for Ethernet, IP, and UDP headers.
The total number of bytes per second is calculated as follows:
160 bytes per 20 ms = (160 bytes/20 ms) x (50 packets/s) = 8000 bytes/s
The bit rate is 64 kbps, so we need to add an additional 8 kbps for overhead:
64 kbps + 8 kbps = 72 kbps
The total number of bytes per second including overhead is:
72,000 bps / 8 bits per byte = 9,000 bytes/s
Adding additional overhead for Ethernet, IP, and UDP headers, we can estimate that the total number of bytes per second will be approximately 12,000 bytes/s in each direction. Therefore, the Ethernet bandwidth per call should be:
12,000 bytes/s x 8 bits per byte = 96 kbps
Therefore, the correct answer is D. 87.2 kbps is not sufficient to support the required bandwidth per call.
Question 5:
Refer to the exhibit.
The translation rule is configured on the voice gateway to translate DNIS. What is the outcome if the gateway receives 0255-343-1234 as DNIS?
A. The translation is not matched because DNIS contains “-“.
B. The translation is not matched because DNIS does not end with a “$”.
C. The translation is matched and the translated number is 02553431234.
D. The translation is matched and the translated number is 025553431234.
Correct Answer: C
Question 6:
An engineer must configure a dial plan tor a new Cisco UCM cluster. Standard local route groups must be used for all local calls. After the route pattern, route list and route groups are configured, which settings must the engineer configure for the standard local route groups?
A. device pool
B. voice gateway
C. trunk group
D. SIP trunk
Correct Answer: A
Question 7:
A customer has Cisco Unity Connections that is integrated with LDAP. As a Unity Connection administrator, you have received a request to change the first name for VM user. Where must the change be performed?
A. Cisco Unity Connection
B. Cisco Unified Communications Manager end user
C. Active Directory
D. Cisco IM and Presence
Correct Answer: C
Question 8:
What is the traffic classification for voice and video conferencing?
A. Voice is classified as CoS 4, and video conferencing is CoS 5.
B. Voice and video conferencing are both classified is CoS 3.
C. Voice is classified as CoS 5, and video conferencing is CoS 4.
D. Video conferencing is classified as CoS 1, and voice is CoS 2.
Correct Answer: B
Question 9:
Which description of the Mobile and Remote Access feature is true?
A. Collaboration Edge feature that enables remote individuals to perform international calls from Jabber with a VPN connection.
B. Collaboration Edge feature that enables remote individuals to access all enterprise collaboration services using a PC within the corporate environment.
C. Collaboration Edge feature that enables remote individuals to access enterprise collaboration services via Jabber without the use of a VPN connection.
D. Collaboration Edge feature that enables remote individuals to access enterprise collaboration services via Jabber with the use of a VPN connection.
Correct Answer: C
Question 10:
Refer to the code.
Which two codec permutations should be transcoded by this dspfarm?
A. G.722 to G.729r8
B. G.729r8 to G.711ulaw
C. G.729br8 to G.711alaw
D. iLBC to G.711ulaw
E. G729ar8 to G.711alaw
Correct Answer: BE
Question 11:
What are two common attributes of XMPP XML stanzas? (Choase two.)
A. from
B. to
C. destination
D. version
E. Source
Correct Answer: AB
Question 12:
When a remote office location is set up with limited bandwidth resources, which codec carries the most voice calls?
A. G.711
B. G.722
C. G.723
D. G.729
Correct Answer: D
Reference: https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/srnd/collab10/collab10/media.html
Question 13:
What is the element of Cisco Collaboration infrastructure that allows Jabber clients outside of the network to register in Cisco Unified Communications Manager and use its resources?
A. Cisco IM and Presence node
B. Cisco Unified Border Element
C. Cisco Expressway
D. Cisco Prime Collaboration Provisioning server
Correct Answer: C
“Cisco Unified Communications Mobile and Remote Access (MRA) is part of the Cisco Collaboration Edge Architecture. It allows endpoints such as Cisco Jabber to have their registration, call control, provisioning, messaging and presence services provided by Cisco Unified Communications Manager (Unified CM) when the endpoint is outside the enterprise network. The Expressway provides secure firewall traversal and line-side support for Unified CM registrations. …”
Question 14:
A customer wants to conduct B2B video calls with a partner using an on-premises conferencing solution. Which two devices are needed to facilitate this request? (Choose two.)
A. Expressway-C
B. MGCP gateway
C. Cisco Unified Border Element
D. Cisco TelePresence Management Suite
E. Expressway-E
Correct Answer: AE
Question 15:
When a 8800 series phone is registered over MRA, where does it register?
A. Cisco Unified Communications Manager
B. Expressway-C
C. Cisco Unified Presence Server
D. Expressway-E
Correct Answer: A