[Free] Download Latest (March 2016) Cisco 300-075 Real Exam 31-40

Ensurepass

QUESTION 31

To preserve analog calls in an MGCP switchback event, which three commands must be configured in the MGCP fallback router? (Choose three.)

 

A.

h323

B.

mgcp-switchback-graceful

C.

voice service voip

D.

mgcp-graceful

E.

preserve-h323

F.

no h225 timeout keepalive

 

Correct Answer: ACF

Explanation:

Incorrect answer: B, D, E

these additional command for call preservation when using MGCP fallback:

voice service voip

h323

no h225 timeout keepalive

Reference: CCNP Voice CIPT2 642-457 Quick Reference, 2nd Edition

 

 

QUESTION 32

Which two locations are the best locations that an end user can use to determine if an IP phone is working in SRST mode? (Choose two.)

 

A.

Cisco Unified Communications Manager Administration

B.

IP phone display

C.

Cisco Unified SRST Router

D.

Cisco Unified MGCP Fallback Router

E.

physical IP phone settings

 

Correct Answer: BE

Explanation:

Incorrect answer: A, C, D

IP Phone display and Physical phone IP settings are two locations were an end user can determine if an IP phone is working in SRST mode.

Link: http://my.safaribooksonline.com/book/telephony/1587050757/survivable-remote-site-telephony-srst/529

 

QUESTION 33

What is the fastest way for an engineer to test the implementation of SRST in a production environment?

 

A.

Shut down the Cisco Unified Communications Manager Servers.

B.

Shut down the switch ports connected to the Cisco Unified Communications Manager Servers.

C.

Add a null route to the publisher Cisco Unified Communications Manager at the remote router. Remove the null route when the operation is verified.

D.

Unplug the IP phones from their switch ports.

E.

Verification is not needed.

 

Correct Answer: C

 

 

QUESTION 34

DRAG DROP

clip_image002

 

Correct Answer:

clip_image004

 

Explanation:

Call-manager-fallback

Ip source-address 10.5.1.1 port 2000

Max-ephones 3

Max-dn 6

 

 

QUESTION 35

Which solution is needed to enable presence and extension mobility to branch office phones during a WAN failure?

 

A.

SRST with MGCP fallback

B.

SRST without MGCP fallback

C.

Cisco Unified Communications Manager Express in SRST mode

D.

SRST with VoIP dial peers to Cisco Unified Communications Manager Express

 

Correct Answer: C

 

 

QUESTION 36

Which two options enable routers to provide basic call handling support for Cisco Unified IP Phones if they lose connection to all Cisco Unified Communications Manager systems? (Choose two.)

 

A.

SCCP fallback

B.

Cisco Unified Survivable Remote Site Telephony

C.

Cisco Unified Communications Manager Express

D.

MGCP fallback

E.

Cisco Unified Communications Manager Express in SRST mode

 

Correct Answer: BE

 

QUESTION 37

Which two statements about remote survivability are true? (Choose two.)

 

A.

SRST supports more Cisco IP Phones than Cisco Unified Communications Manager Express in SRST mode.

B.

Cisco Unified Communications Manager Express in SRST mode supports more Cisco IP Phones than SRST.

C.

MGCP fallback is required for ISDN call preservation.

D.

MGCP fallback functions with SRST.

 

Correct Answer: AD

 

 

QUESTION 38

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.

 

Correct Answer: ABC

Explanation:

Incorrect answer: D

Class of restriction: Cisco Unified Communications Manager Business Edition 3000 supports class of service (CoS) with respect to geographic reach as follows:

 

Campus

Local

National

International

Emergency services

Call waiting

Default ringtones

MoH

Speed dials: Single-button, not BLF

 

Link: http://www.cisco.com/en/US/prod/collateral/voicesw/ps6788/vcallcon/ps11370/data_sheet_c78-651909.html

 

 

QUESTION 39

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

 

Correct Answer: AD

Explanation:

Incorrect answer: B, C, E, F

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.

Link: http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/8_6_1/ccmsys/a08sip.html

 

 

QUESTION 40

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

 

Correct Answer: CF

 

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