[Dec-2017]100% Real Exam Questions-Braindump2go 300-075 PDF and VCE Dumps 391Q Download[Q176-Q186]

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QUESTION 176
You are the Cisco Unified Communications Manager in Certpaper.com.
You use a remote site MGCP gateway to provide redundancy when connectivity to the central Cisco Unified Communications Manager cluster is lost.
How to enable IP phones to establish calls to the PSTN when they have registered with the gateway? (Choose three.)

A. POTS dial peers must be added to the gateway to route calls from the IP phones to the PSTN.
B. The default service must be enabled globally.
C. The command ccm-manager mgcp-fallback must be configured.
D. COR needs to be configured to disallow outbound calls.

Answer: ABC

QUESTION 177
Which two configurations provide the best SIP trunk redundancy with Cisco Unified Communications Manager? (Choose two.)

A. Configure all SIP trunks with DNS SRV
B. Configure all SIP trunks with Cisco Unified Border Element
C. Configure all SIP trunks to point to a SIP gateway
D. Configure SIP trunks to be members of route groups and route lists
E. Configure all SIP trunks to allow TCP ports 5060
F. Configure all SIP trunks to point to a gatekeeper through SIP to H.323 gateway

Answer: AD
Explanation:
For SIP trunks, Cisco Unified Communications Manager supports up to 16 IP addresses for each DNS SRV and up to 10 IP addresses for each DNS host name. The order of the IP addresses depends on the DNS response and may be identical in each DNS query. The OPTIONS request may go to a different set of remote destinations each time if a DNS SRV record (configured on the SIP trunk) resolves to more than 16 IP addresses, or if a host name (configured on the SIP trunk) resolves to more than 10 IP addresses. Thus, the status of a SIP trunk may change because of a change in the way a DNS query gets resolved, not because of any change in the status of any of the remote destinations.

QUESTION 178
When you configure Cisco Unified Communications Manager, you need to configure the router for Survivable Remote Site Telephony in case the Cisco Unified Communications Manger stops working. On which two factors would the number of IP phones and Directory Numbers that can register to the SRST router depend? (Choose two.)

A. The protocol that is used in Cisco Unified Communications Manager
B. Cisco Unified Communications Manager version
C. Cisco IOS Software version
D. WAN link bandwidth
E. capacity of the Cisco Media Convergence Server
F. router platform

Answer: CF

QUESTION 179
Which remote-site redundancy technology fails over to POTS dial peers from the Cisco Unified Communications Manager dial plan during a WAN failure?

A. MGCP fallback
B. H.323 fallback
C. SCCP fallback
D. SIP fallback

Answer: A

QUESTION 180
How does the system intelligently shift call processing upon restoration of WAN connectivity?

A. automatically back to the primary Cisco Unified Communications Manager cluster
B. manually back to the primary Cisco Unified Communications Manager cluster
C. automatically back to the secondary Cisco Unified Communications Manager cluster
D. manually back to the secondary Cisco Unified Communications Manager cluster

Answer: A

QUESTION 181
Which option configures call preservation for H.323-based SRST mode?

A. voice service voip h323 call preserve
B. call preservation not possible with H.323
C. call-manager-fallback preserve-call
D. dial-peer voice 1 voip call preserve

Answer: A

QUESTION 182
Which configuration command disables the secondary dial tone on the branch office ISR for users calling from the PSTN into the branch office during a WAN failure?

A. direct-inward-dial
B. voice translation-rule
C. incoming called-number
D. application

Answer: A

QUESTION 183
A Cisco Unified Communications Manager cluster is installed in headquarters only.
How can international calls be blocked while national calls are allowed for branch office Cisco IP Phones during a WAN failure?

A. Configure CSS and partitions in Cisco Unified Communications Manager and apply the CSS and partitions to the SRST ISR.
B. Configure CSS and partitions in the SRST ISR.
C. Configure COR in the SRST ISR.
D. Configure voice translations in the SRST ISR.

Answer: C

QUESTION 184
Which command can be used to manually send the MGCP gateway to register with the secondary Cisco Unified Communications Manager server?

A. ccm-manager switchover-to-backup
B. mgcp use backup
C. ccm-manager register backup
D. not supported

Answer: A

QUESTION 185
This is the configuration on the voice gateway:
telephony-service
max-ephones 30
max-dn 60 preference 0
srst mode auto-provision all
srst dn line-mode dual
srst dn template 3
srst ephone description srst fallback auto-provision phone
srst ephone template 5
Which ephone-dn would be expected upon activation of SRST?

A. ephone-dn 1 dual-line
number 7001
description 7001
name 7001
ephone-dn-template 5
This DN is learned from srst fallback ephones
B. ephone-dn 1 dual-line
number 7001
description 7001
name 7001
ephone-dn-template 3
This DN is learned from srst fallback ephones
C. ephone-dn 1
number 7001
description 7001
name 7001
ephone-dn-template 5
This DN is learned from srst fallback ephones
D. ephone-dn 1
number 7001
description 7001
name 7001
ephone-dn-template 3
This DN is learned from srst fallback ephones

Answer: A

QUESTION 186
Which ability does the Survivable Remote Site Telephony feature provide?

A. a means to allow the local site to continue to send and receive calls in the event of a WAN failure
B. a means to route calls on-net through other sites during high utilization periods
C. a method that allows for backup calls in the event that your gateway fails
D. the ability to force a call out of a certain trunk when the Cisco Unified Communications Manager is being upgraded

Answer: A


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