Download New Latest (May) Cisco 642-457 Actual Tests 71-80

Ensurepass

 

QUESTION 71

Refer to the exhibit

 

clip_image001

 

The exhibit shows a SAF Forwarder configuration attached to a Cisco Unified Communications Manager.

 

 

Which minimum configuration for a Cisco Unified Communications Manager Express SAF Forwarder is needed to establish a SAF neighbor relationship with this SAF Forwarder?

 

A.

router eigrp SAF

i

service-family ipv4 autonomous-system 1

!

topology base

exit-sf-topology

exit-service-family

voice service saf

profile trunkroute 1

ses
sion protocol sip interface Loopback1 transport tcp port 5060 !

B.

router eigrp SAF

!

service-family ipv4 autonomous-system 1

!

topology base

exit-sf-topology

exit- service-family

!

voice service saf

profile trunk-route 1

session protocol sip interface Loopback1 transport tcp port 5060 !

profile dn-block 1 alias-prefix 1972555

pattern 1 type extension 4xxx

!

profile callcontrol 1

dn-service

trunk-route 1

dn-block 1

dn-block 2

!

channel 1 vrouter SAF asystem 1

subscribe callcontrol wildcarded

publish callcontrol 1

!

C.

router eigrp SAF

!

service-family ipv4 autonomous-system 1

 

 

!

topology base

exit-sf-topology

exit-service-family

!

D.

None of above configurations contain sufficient information.

 

Answer: C

Explanation: Incorrect answer: ABD

only following configuration is enough

router eigrp SAF

service-family ipv4 autonomous-system 1

exit-service-family

link:http://www.cisco.com/en/US/prod/collateral/iosswrel/ps6537/ps6554/ps6599/ps10822/ whitepaper_c11-636604.html

 

 

QUESTION 72

Which two have to be defined in the Forward All field? (Choose two.) (Source: Preventing Toll Fraud)

 

A.

calling search space

B.

destination

C.

partition

D.

hunt list

 

Answer: AB

Explanation: Incorrect answer: CD

Destination–This setting indicates the directory number to which all calls are forwarded. Use any dialable phone number, including an outside destination. Calling Search Space–This setting applies to all devices that are using this directory number.

 

 

QUESTION 73

Which method can be used to address variable-length dial plans?

 

A.

Overlap sending and receiving.

B.

Add a prefix for all calls that are longer than 10-digits long

C.

Use nested translation patterns to eliminate inter-digit timeout

D.

Use the @macro on the route pattern

E.

Use MGCP gateways, which support variable-length dial plans

 

Answer: A

Explanation: Incorrect answer: BCDE

If the dial plan contains overlapping patterns, Cisco Unified Communications Manager does not route the call until the interdigit timer expires (even if it is possible to dial a sequence of digits to choose a current match). Check this check box to interrupt interdigit timing when Cisco Unified Communications Manager must route a call immediately. By default, the Urgent Priority check box displays as checked. Unless your dial plan contains overlapping patterns or variable length patterns that contain!, Cisco recommends that you do not uncheck the check box.

Link:

http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/8_6_1/ccmfeat/fsintrcm.htm l

 

 

QUESTION 74

Refer to the exhibit

 

clip_image002

 

 

 

clip_image003

 

When the Cisco Unified Communications Manager advertises the Hosted DN Pattern, which pattern would be advertised?

 

A.

2XXX and the T0D1D will be 0:+498950555

B.

2XXX and the ToDID will be 0:+4989531 21

C.

4989S05552XXX and the ToDiD will be 0:

D.

+ 4989631 21 2XXX and the ToDiD will be 0:

E.

Both +4989505552XXXand +4989531 21 2XXX will be advertised with ToDID of 0:

 

Answer: A

Explanation: Incorrect answer: BCDE

PSTN failover prepend digit is +498950555

Link:http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/8_0_2/ccmfeat/fscallco ntroldiscovery.html

 

 

QUESTION 75

Refer to the exhibit.

 

 

 

clip_image004

 

IT shows an H.323 gateway configuration in a Cisco Unified Communications Manager environment. An inbound PSTN call to this H.323 gateway fails to connect to IP phone extension 2001. The PSTN user hears a reorder tone. Debug isdn q931 on the H.323 gateway shows the correct called-party number as 5015552001. Which two configuration changes can correct this issue? (Choose two.)

 

A.

Add port 1/0:23 to dial-peer voice 123 pots.

B.

Ensure that the Significant Digits for inbound calls on the H.323 gateway configuration is 4.

C.

Add a voice translation profile to truncate the number from 10 digits to 4 digits. Apply the

 

 

voice translation profile to the Voice-port. The configuration field “Significant Digits for inbound calls” is left at default (All).

D.

Add the command h323-gateway voip id on interface vlan120.

E.

Change the destination-pattern on the dial-peer voice 23000 VoIP to 501501? and change the Significant Digits for inbound calls to 4.

 

Answer: BE

Explanation: Incorrect answer: ACD

Choose the number of significant digits to collect, from 0 to 32. Cisco Unified Communications Manager counts significant digits from the right (last digit) of the number that is called.

Link:http://cisco.biz/en/US/docs/voice_ip_comm/cucmbe/admin/8_6_1/ccmcfg/b06trunk.ht ml

 

 

QUESTION 76

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

 

Answer: BE

Explanation: Incorrect answer: ACD

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 77

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

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_sh eet_c78-651909.html

 

 

QUESTION 78

Which sign is prefixed to the number in global call routing?

 

A.

B.

+

C.

#

D.

@

E.

&

F.

*

 

Answer: B

 

 

QUESTION 79

Refer to the exhibit.

 

clip_image005

 

The HQ Cisco Unified Communications Manager has been configured for end-to-end RSVP. The BR Cisco Unified Communications Manager has been configured for local RSVP.

 

RSVP between the locations assigned to the IP phones and SIP trunks at each site are configured with mandatory RSVP. When a call is placed from the IP phone at HQ to the BR phone at the BR site, which statement is true?

 

A.

The Cisco Unified Communications Manager at HQ will fall back to local RSVP and place the call. No RSVP end-to-end will occur.

B.

RSVP end-to-end will occur.

C.

The Cisco Unified Communications Manager at HQ will use end-to-end RSVP. The BR Cisco Unified Communications Manager will use local RSVP.

D.

The call will fail.

E.

The call will proceed as a normal call with no RSVP reservation.

 

Answer: D

Explanation: Incorrect answer: ABC

A possible cause is that the same router is being used as the calling and called RSVP agents, and that router is not running the latest IOS version, which supports loopback on RSVP reservation. Make sure that the router is running the latest IOS version.

 

 

 

Link:

http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/8_6_1/ccmsys/a02rsvp.html #wp1155102

 

 

QUESTION 80

Refer to the exhibit.

 

clip_image006

 

 

 

clip_image007

 

Multicast MOH needs to be run from flash at the remote site. Which Cisco IOS configuration at the SRST router is correct?

 

A.

!

call-manager-fallback

ip source-address 10.1.5.102 port 2000

max-ephones 2

max-dn 8 dual-line

moh music-on-hold au

multicast moh 239.1.1.1 port 16384

B.

!

call-manager-fallback

ip source-address 10.1.5.102 port 2000

max-ephones 2

max-dn 8 dual-line

moh music-on-hold au

multicast moh 239.1.1.1 port 163t

C.

call-manager-fallback

ip source-address 10.1.120.1 port 2000 max-ephones 2 max-dn 8

moh music-on-hold.au

multicast moh 239.1.1.1 port 32767

D.

!

call-manager-fallback

ip source-address 10.1.5.102 port 2000

max-ephones 2

max-dn 8 dual-line

moh music-on-hold an

multicast moh 239.1.1.1 port 32767

 

Answer: A

Explanation: Incorrect answer: BCD

following configuration will required to Enable Multicast MOH on the Cisco SRST Gateway

 

clip_image008

 

1.

 

clip_image008[1]

 

2.

 

clip_image008[2]

 

interface loopbacknumber

 

clip_image008[3]

 

3.

 

clip_image008[4]

 

ip addressip-addressmask

4.

 

clip_image008[5]

 

exit

 

clip_image008[6]

 

5.

 

clip_image008[7]

 

interface fastethernetslot/port

 

clip_image008[8]

 

6.

 

clip_image008[9]

 

ip addressip-addressmask

7.

 

clip_image008[10]

 

exit

 

clip_image008[11]

 

8.

 

clip_image008[12]

 

call-manager-fallback

9.

 

clip_image008[13]

 

ip source-addressip-address[portport]

10.< /p>

 

max-ephonesmax-phones

Guaranteed success with TestInsides practice guides 68 11.

 

max-dnmax-directory-number

12.

 

mohfilename

13.

 

multicast mohmulticast-addressportport[routeip-address-list] 14.

 

exit

Link:

http://www.cisco.com/en/US/products/sw/iosswrel/ps5207/products_feature_guide09186a0

 

 

 

0802d1c31.html#wp1046789

 

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