最新的Cisco 642-457免費考試真題

問題1

Refer to the exhibit.

The exhibit shows centralized Cisco Unified Communications Manager configuration components for TEHO calls to U.S. area code 408 from the U.K. The PSTN access code for the U.K. is 9 and 001 for international calls to the U.S. To match the US-TEHO pattern \+!, how should the translation pattern be configured?

A. 900.14085551234 with the Called Party Transformation:
Discard Digits PreDot
Prefix Digits Outgoing Calls: +1

B. 9001.4085551234 with the Called Party Transformation:
Discard Digits PreDot
Prefix Digits Outgoing Calls: +

C. 9.0014085551234 with the Called Party Transformation:
Discard Digits PreDot
Prefix Digits Outgoing Calls: +1

D. 001.4085551234 with the Called Party Transformation:
Prefix Digits Outgoing Calls: +

E. 900.14085551234 with the Called Party Transformation:
Discard Digits PreDot
Prefix Digits Outgoing Calls: +

正確答案: E

說明：（僅 Fast2test 成員可見）

問題2

Refer to the exhibit.

The H.323 Gateway is showing status "unknown". Which statement is true?

A. VUAN 1 20 may be down and so the H.323 gateway appears offline to the Cisco Unified Communications Manager

B. The gateway must be reset in Cisco Unified Communications Manager.

C. The mgcp commands must be removed.

D. The no gateway command followed by the gateway command must be issued in Cisco IOS.

E. H.23 gateways do not register with Cisco Unified Communications Manager H.323 gateways always show status "Unknown".

正確答案: E

說明：（僅 Fast2test 成員可見）

問題3

Refer to the exhibit.

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.

正確答案: D

說明：（僅 Fast2test 成員可見）

問題4

When you configure regions in a Cisco Unified Communications Manager multisite cluster, which two are ways to prevent G.722 from being advertised in the cluster? (Choose two.)

A. modify the line settings

B. modify the enterprise parameter

C. modify the device pool

D. modify the service parameter

正確答案: B,D

問題5

Refer to the exhibit

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

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

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

C. 2XXX and the T0D1D will be 0:+498950555

D. 4989S05552XXX and the ToDiD will be 0:

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

正確答案: C

說明：（僅 Fast2test 成員可見）

問題6

How is a SIP trunk in Cisco Unified Communications Manager configured for SIP precondition?

A. The configuration is automatically selected when RSVP is enabled for the location assigned to the trunk.

B. The configuration is done by selecting a SIP precondition trunk for trunk type.

C. SIP precondition is configured by configuring a new SIP profile and selecting E2E for RSVP over SIP. The new SIP profile must then be assigned to the SIP trunk.

D. SIP precondition is configured by selecting E2E for RSVP over SIP on the default SIP profile assigned to the SIP trunk.

正確答案: C

問題7

Refer to the exhibit.

The exhibit shows centralized Cisco Unified Communications Manager configuration components for TEHO calls to U.S. area code 408 from the U.K. The PSTN access code for the U.K. is 9 and 001 for international calls to the U.S. What should the TEHO-US route list configuration consist of?

A. The TEHO-US route list should contain only the local route group. The globalized configuration means that the appropriate gateway will be selected automatically.

B. First route group should point only to the U.S. gateway. The second route group should be the local route group.

C. First route group should be only the local route group. The second route group should point to the U.S. gateway.

D. The \+! route pattern should point directly to the U.S. gateway.

E. First route group should point only to the U.K. gateway. The second route group should point to the U.S. gateway.

正確答案: B

說明：（僅 Fast2test 成員可見）

問題8

Which of the following are two functions that ensure that the telephony capabilities stay operational in the remote location Cisco Unified SRST router? (Choose two)

A. Automatically detecting a failure in the network.

B. Proactively repairing issues in the voice network.

C. Notifying the administrator of an issue for manual intervention.

D. Initiating a process to provide call-processing backup redundancy.

正確答案: A,D

問題9

Which two statements about symmetric encryption are true? (Choose two.) (SourcE. Understanding Cryptographic Fundamentals)

A. Symmetric encryption is a good choice for real-time encryption of bulk data.

B. Symmetric encryption is commonly used to sign asymmetric keys.

C. Symmetric encryption uses asymmetric keys.

D. With symmetric encryption, the encryption key equals the decryption key.

正確答案: A,D

說明：（僅 Fast2test 成員可見）

問題10

Which trunk should you use in an H.323 gatekeeper-controlled network?

A. Intercluster

B. H.323

C. MGCP T1/E1 trunk

D. MGCP FXO trunk

E. SIP

F. H.225

正確答案: F

問題11

Refer to the exhibit.

All HQ phones are configured to use HQ_MRGL and all BR phones are configured to use BR_MRGL. For the HQ phones always to use the hardware conference bridge as a first choice, which configuration should be implemented?

A. Assign the hardware conference bridge to HQ_MRG. Configure a second HQ_MRG_2 and assign the software conference bridge to it. Add both the HQ_MRG and HQ_MRG_2 to the HQ_MRGL and list the HQ_MRG first.

B. Ensure that both the hardware and software conference bridges are listed in the HQ_MRG. Ensure that the instance ID for the hardware conference bridge is 0.

C. Ensure that both the hardware and software conference bridges are listed in the HQ_MRG. The hardware conference bridge must be configured first.

D. Assign the hardware conference bridge to HQ_MRG. Configure a second HQ_MRG_2 and assign the software conference bridge to it. Configure an additional HQ_MRGL_2. Add the HQ_MRG to HQ_MRGL. Add HQ_MRG_2 to HQ_MRGL_2. The HQ_MRGL should be assigned to the HQ phones. The HQ_MRGL_2 should be assigned to the HQ device pool.

正確答案: A

說明：（僅 Fast2test 成員可見）

問題12

Refer to the exhibit.

The remote site needs to run multicast MOH from flash. Which statement about the MOH server configuration in Cisco Unified Communications Manager is true?

A. Configure the location setting for the MOH server to 80 Kbps. This configuration forces the MOH server to use G.711 for the remote site.

B. The MOH server must be enabled for G.729 in the Cisco IP Voice Media Streaming Application service parameters.

C. Multicast MOH can use only G.711. So you must configure the command codec G711ulaw under the call-manager-fallback configuration at the remote site router.

D. Configure a separate region for the MOH server. The codec between the MOH region and all other regions should be specified as G.711. Apply the MOH region through a device pool at the MOH server configuration page.

E. The MOH for the remote site is a standalone configuration. No extra configuration is required on the Cisco Unified Communications Manager MOH server.

正確答案: D

問題13

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

A. call-manager-fallback preserve-call

B. call preservation not possible with H.323

C. voice service voip h323 call preserve

D. dial-peer voice 1 voip call preserve

正確答案: C

問題14

Which interface can you use to configure alarms and traces in Cisco Unified Communications Manager?

A. real-time monitoring

B. Cisco Unified OS Administration

C. Cisco Unified Communications Manager Administration

D. Cisco Unified Reporting

E. Cisco Unified Serviceability

F. disaster recovery system

正確答案: E

問題15

How many hosted DN patterns per cluster does Cisco Unified Communications Manager allow you to configure?

A. 2000

B. 1500

C. 500

D. 1000

E. 5000

F. 2500

正確答案: A

最新的Cisco Implementing Cisco Unified Communications Manager, Part 2 v8.0 (CIPT2 v8.0) - 642-457免費考試真題

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