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思科认证Cisco 642-143 题库

日期:2015/8/27 10:39:48 来源:本站原创 访问量:
1. What three methods can be used to configure users in CUE? 
A. user importation from the Microsoft Exchange server 
B. CUE Initialization Wizard 
C. CLI as a user 
D. CLI as an administrator 
E. GUI web pages 
Answer: BDE 
2. Which user configuration method will allow specific users to be imported into CUE from CME? 
A. CUE Initialization Wizard 
B. CLI as a user 
C. CLI as an administrator 
D. GUI web pages 
Answer: A 
3. When the AIM-CUE is being used, where do log messages go if the log file is full? 
A. The initial log file is named message.log.prev, and a new file named message.log is started. 
B. Once the log file is full, the oldest log entries are dropped to make space for new entries. 
C. When the log file becomes full, it is automatically copied to an external server and a new message.log file is
started. 
D. Once the log file becomes full, it stops logging new messages and the new log messages are lost. 
Answer: D 
4. You have configured a new user in CUE, but when you use the command show user detail username BSmith
you see an error in the E.164 phone number. What two steps are required to resolve this issue? (Choose two.) 
A. The username BSmith needs to be deleted, and then the user needs to be reentered with the correct E.164 phone
number. 
B. The username edit command needs to be used to correct the E.164 number. 
C. The mailbox BSmith can be edited with the mailbox BSmith command. 
D. The no voicemail mailbox owner username BSmith command needs to be executed. 
Answer: AD
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5. You have configured the MWI on /off values in CME. You will be using 8000 for MWI on and 8001 for MWI
off. Your extensions use four digits. From the following configuration snip, why are the MWI lights not
illuminated when there is a message in the mailbox? 
A. The MWI configuration is correct in CME. MWI extensions must be incorrect in CUE. 
B. The ephone-dn must match the extension numbers for MWI to operate correctly. 
C. The extension numbers are not the right length in the number command. They should be 8000.... and 8001.... . 
D. The MWI on/off should be associated with ephone-dns. 
Answer: C 
6. You wish to verify that the pilot point number has been configured correctly in your CUE module. Using the
show ccn trigger command provides the following output: 
TestInside    642-143 
What pieces of information can you derive from this output? (Choose two.) 
A. The voice-mail pilot point number is 6800. 
B. The number of ports available is 16. 
C. The idle timeout is 5 seconds. 
D. The operator can be reached at extension 6800. 
E. The voice-mail application is enabled. 
Answer: AE 
7. From the following command snip, which command is missing for a first time backup? 
A. The command to identify the FTP server has not been set to where the backup will be written. 
B. The reload command must be issued prior to issuing the continue command. 
C. The online command must be issued to bring CUE back on line. 
D. The backup category all command should not be initiated for a backup, only the data command. 
Answer: A 
8. When a CUE module is restored from a backup server, to what location are the configuration files restored? 
A. They are copied back to the router FLASH memory, and then the CUE module boot loader copies them either
to the AIM or the NM modules. 
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B. The files are copied directly to either the CUE AIM or the NM. 
C. The files are copied to the router FLASH memory. 
D. The files are copied to the CUE AIM or the NM and a copy is placed in the router FLASH memory. 
Answer: B 
9. You need to configure your single button IP phones so they can answer both internal calls to their 4 digit
extension and also their DID number. Which of the following ephone-dn configurations should you use? 
A. Ephone-dn 10 
Number 2000 mask 408555xxxx 
B. Ephone-dn 10 dual-line 
Number 2000 
DID 4085552000 
C. Ephone-dn 10 dual-line 
Number 2000 secondary 4085552000 
D. Ephone-dn 10 
Number 2000 DID 4085552000 
Answer: C 
10. Which three of the following tasks must be completed in a partially automated setup for phones to be able to
register with CallManager Express? (Choose three. ) 
A. Enable downloading of the firmware of each phone type, using the tftp-server command. 
B. Associate each phone type with a firmware file, using the load command. 
C. Configure an ephone for each phone that will be registering with CallManager Express. 
D. Configure the maximum number of ephones the CallManager Express will support. 
E. Configure the keepalive timer. 
F. Configure the dial plan-pattern to associate extensions with fully qualified E.164 numbers. 
Answer: ABD 
11. Which technology is used to provide both an auxiliary VLAN and a native VLAN capability between a Cisco
switch and a Cisco IP phone through a single port? 
A. 802.1q 
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B. 802.3 
C. 802.1p 
D. CDP 
E. FDDI 
Answer: A 
12. Refer to the exhibit. Which two of the following statements are true? (Choose two.)  
A. Extension 1010 will be able to call 911 but will not be able to call other IP phones. 
B. Only extension 1012 will be able to call extension 1013. 
C. Extension 1013 will be able to call all numbers. 
D. Extension 1012 can only be called by Executives or external callers. 
Answer: BC 
13. What protocol is used to communicate the Voice VLAN ID (VVID) to a Cisco IP phone when the IP phone
first powers up? 
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A. CDP 
B. TFTP 
C. IP 
D. TCP 
E. RTCP 
Answer: A 
14. Which two of the following must be configured to allow users to blind transfer calls to both internal and PSTN
numbers using H.450.2 supplementary services? (Choose two.) 
A. transfer-pattern .T 
B. transfer-system full-blind 
C. supplemental service h.450.2 
D. allow-connections h323 to h323 
Answer: AB 
15. Incoming calls to your store are answered by the front desk. Calls are parked at an extension, and an
announcement is made for an employee in the appropriate department to pickup the call. The accounting
department has been extremely busy, and you wish to be able to park up to 5 simultaneous calls for this
department on extension 102. How can you accomplish this? 
A. Add four additional park-slots under the existing ephone-dn for extension 102. 
B. Add four additional ephone-dns and configure each with number 102 and a park-slot. 
C. Add four additional ephone-dns with unique numbers and set call-forward busy to roll to the next available
park extension. 
D. Add four additional ephone-dns with unique numbers and configure a hunt group to roll to the next available
park extension. 
Answer: B 
16. A user dials 95551234. Which of the following configurations will send the digits 4085551234 to the PSTN? 
A. dial-peer voice 1 pots 
destination-pattern 9555.... 
prefix 408 
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port 1/0:23 
B. dial-peer voice 1 pots 
destination-pattern 9555.... 
forward-digits 10 
port 1/0:23 
C. num-exp 555.... 408555.... 
dial-peer voice 1 pots 
destination-pattern 9555.... 
port 1/0:23 
D. translation-rule 5 
rule 1 ^9555 408555 
dial-peer voice 1 pots 
destination-pattern 9555.... 
translate-outgoing called 5 
forward-digits all 
port 1/0:23 
Answer: D 
17. What is the purpose of a voice codec? (Choose two.) 
A. reduce bandwidth requirements 
B. improve signal to noise characteristics 
C. improve voice quality 
D. approximate an audio wave in digital form 
Answer: AD 
18. Which of the following are functions of an IP voice gateway? (Choose two) 
A. translate analog voice to packetized voice 
B. provide call admission control 
C. provide far-end call control 
D. transition call path between different networks 
Answer: AD
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19. The Abigail Braintree Foundation is a medium-size, not-for-profit literacy group that wants to implement
centralized call processing. The group will implement a hub-and-spoke topology, with all of the remote branches
connected to the central site via an IP WAN. The remote branch size will be limited to 150 IP Phones that are able
to provide the SRST feature. Each time a remote branch Phone places a call, the control traffic traverses the IP
WAN (even if the call is local to the branch) to reach the Cisco CallManager at the central site. All the control
traffic is exchanged between a Cisco CallManager at the central site and endpoints or gateways at the remote
branches. 
Which three signaling protocols can traverse the IP WAN in this deployment model? (Choose three.) 
A. SCCP 
B. H.450.1 
C. H.450.2 
D. SGCP 
E. H.323 
F. Telephony Application Programming Interface 
Answer: AEF 
20. The Sam Adams ComCorr Co. wants to set up multicast MOH functionality to enable the streaming of music
from an MOH server to the voice interfaces of on-net and off-net callers that are placed on hold. Which type of
signaling is implemented in Cisco CallManager to ensure that this can happen? 
A. Q.931 
B. H.323 
C. MGCP 
D. H.245 
E. H.232 
F. H.225 
Answer: B 
21. Which statement best describes echo? 
A. Echo is the discernable leak-through of your own Rx path into your own Tx path. 
B. Echo is the discernable leak-through of the packets of your Rx path into your own Tx path. 
C. Echo is the nonaudible leak-through of the packets of your Rx path into your own Tx path. 
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D. Echo is the audible leak-through of the packets from the transmit path into your own receive path. 
E. Echo is the nonaudible leak-through of the packets of your Tx path into your own Rx path. 
Answer: D 
22. In this diagram, where does the cause of echo originate?  
A. the Rx of Phone A 
B. the Tx of Phone B 
C. the network side of Phone A 
D. the network side of Phone B 
Answer: D 
23. In this typical VoIP network, the digital packet portion of the network is sandwiched between two analog
transmission segments. Cowpens is connected by FXS (two-wire analog) to a local VoIP gateway. The Cowpens
gateway communicates with the Monotomy gateway through an IP WAN. This packet transmission segment has
an end-to-end latency of greater than 30 ms. At the Monotomy end of the call path, the Phone is connected in the
same manner as the Phone at Cowpens. 
Where is the most likely source of echo?  
A. bits leaking in the digital portion 
B. bits leaking in the tail circuit connected to Cowpens 
C. bits leaking in the tail circuit connected to Monotomy 
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D. a leakage path between analog Tx and Rx paths in Cowpens, and;
sufficient delay in echo return from Monotomy for echo to be perceived as annoying, and;
sufficient echo amplitude from Monotomy to be perceived as annoying 
Answer: C 
24. An IP Phone user hears echo caused by hybrids in a PSTN network. What is the best solution?  
A. Use a load ID on the IP Phone, which includes echo suppression on the handset and headset. 
B. Configure and verify echo cancellation operation on a Cisco IOS gateway. 
C. The cause of echo is on the PSTN side, so you need to contact the individual PSTN. 
D. Configure the echo canceler coverage to a value less than the time the echo needs to return to the gateway. 
Answer: B 
25. Which is the best definition of TAPI as it relates to the Cisco CRM Communications Connector? 
A. A telephony server API that enables programmers to build telephony and CTI applications 
B. An extensible Java API designed to scale for use in a range of domains 
C. Standards for simple call control and for manipulating call content 
D. Standards for connecting a PC running Windows through a WAN to telephony services 
Answer: C 
26. Which three of these statements apply to the function of the Cisco CRM Communications Connector? (Choose
three.) 
A. It provides click-to-dial and screen pops on incoming calls. 
B. It connects Cisco IP Communications with the Microsoft CRM application. 
C. It connects Cisco IP Communications with the IBM CRM application. 
D. It allows a view of customer account activity before answering the Phone. 
E. The user interface is similar to that of IBM Lotus Notes. 
F. It provides screen pops and click-to-dial for outgoing calls for the customer. 
Answer: ABD
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27. You want to classify and mark the packets that are received by a router from a Catalyst 2900 XL. Your
supervisor wants you to retag the packets at the router. The connection from the switch to the router must be a
trunk in order to carry the Layer 2 CoS markings. The router interface is a Fast Ethernet interface. 
Which three steps will you use to correctly map 802.1p to DSCP on this L2 switch to accomplish this task?
(Choose three.) 
A. router(config)#class-map match-any CoS5 
router(config-cmap)#match cos 5 
B. router(config)# policy-map dot1p-to-DSCP 
router(config-pmap)# class CoS5 
router(config-pmap-c)#set dot1p dscp AF11 
C. router(config)# interface fa0.1 
router(config-subif)#encapsulation 802.1p 
router(config-subif)#service-policy input DSCP-to-CoS 
D. router(config)#class-map match-any 802.1p 
router(config-cmap)#match dscp 5 
E. router(config)# policy-map CoS-to-DSCP 
router(config-pmap)# class CoS5 
router(config-pmap-c)#set ip dscp AF11 
F. router(config)# interface fa0/0.1 
router(config-subif)#encapsulation isl 1 
router(config-subif)#service-policy input CoS-to-DSCP 
Answer: AEF 
28. What is another name for an auxiliary VLAN? 
A. Voice VLAN 
B. VVID 
C. Access VLAN 
D. AVVID 
Answer: A 
29. What are three advantages of implementing separate data and voice VLANs? (Choose three.) 
TestInside    642-143
A. You can configure the differential treatments, such as priority queuing, for packets in the voice VLAN within
network devices to guarantee the voice quality. 
B. Creating security policies and access lists is easy because the voice and data subnets run in the same space. 
C. Because the voice traffic will be on a separate VLAN, IP Phones can use a separate IP address space, so you do
not need to redesign the existing IP addressing scheme that is already deployed for the data network. 
D. Phones do not have to respond to broadcasts that are generated on the data network. 
E. When troubleshooting problems in the network, the separate but converged VLANs mean that you are only
working on one network when tracking packet patterns. 
F. You can configure VLAN priority queuing for packets in the access VLAN within the network to assure voice
quality. 
Answer: ACD 
30. The network administrator at Greene GeneralCom has downloaded the cme-gui-123-11XL.tar file for Cisco
CallManager Express. Which of these files will be extracted from this .tar file? 
A. music-on-hold.au 
B. normal_user.js 
C. xml.template 
D. ATA030100SCCP040211A.zup 
Answer: B 
31. The IP Phone network administrator at Mercer General Communications needs to find the bundle for Cisco
CallManager Express that contains the following files:  
Which two files should the network administrator download from www.cisco.com? (Choose two.) 
A. cme-b-acd-2.0.0.0.tar 
B. cme-gui-123-11XL.tar 
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C. CiscoIOSTSP1.3.zip 
D. cme-123-11XL.zip 
E. c3745-js2-mz.124-1a.bun 
F. c3745-js2-mz.124-1.tar 
Answer: BD 
32. All IP Phones on subnet 10.200.10.1 are failing during registration. Troubleshooting reveals that the Phones
are not receiving an IP address. Which is the most likely problem and solution? 
A. Problem: DHCP lease time is set too short. 
Solution: Increase lease time. 
B. Problem: DHCP server is on a different subnet. 
Solution: Set up an IP helper address. 
C. Problem: DHCP address range is too small. 
Solution: Increase address range. 
D. Problem: DHCP service options are incorrect. 
Solution: Set up a gateway in option 06. 
Answer: B 
33. Your IP telephony manager wants you to configure an FXS port on a voice-enabled router with these
requirements: 
Which configuration will meet these requirements? 
A. voice-port 1/0/0 
signal ground-start 
cptone DE 
ring frequency 25 
station-id name James Smith 
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station-id number 4085551212 
B. voice-port 1/0/0 
description extension 555-1212, name "James Smith" 
signal ground-start 
ring cadence DE 
ring frequency 25 
C. voice-port 1/0/0 
description extension 555-1212, name "James Smith" 
ring cadence Germany 
ring frequency 25 
station-id name James Smith 
station-id number 5551212 
D. voice-port 1/0/0 
signal ground-start 
cadence Germany 
frequency 25 
station-id name James Smith 
station-id number 4085551212 
Answer: A 
34. The IP telephony location that you manage uses a PSTN access code of 9. 
Your service provider expects international calls to be prefixed with 011. 
Which dial-peer configuration will allow outbound international calls? 
A. dial-peer voice 1 pots
destination-pattern 9011. 
forward-digits all 
port 1 0/0:15 
B. dial-peer voice 1 pots 
destination-pattern 9011T 
prefix 011 
port 1 0/0:23 
TestInside    642-143
C. dial-peer voice 1 voip 
destination-pattern 9011T 
forward-digits all 
port 1 0/0:23 
D. dial-peer voice 1 voip 
destination-pattern 9011 
prefix 011 
port 1 0/0:23 
Answer: B 
35. The next step in your IP telephony installation plan is to configure your Cisco CallManager Express router to
connect to the PSTN. The telco is delivering a T1 PRI configured for ESF/B8ZS. You have only purchased
enough capacity to support 12 voice calls. 
Which controller configuration best supports your installation requirements? 
A. controller t1 1/0 
linecode b8zs 
framing esf 
clock source line 
pri-group timeslots 1-12 service primary-ni 
B. controller t1 1/0 
framing b8zs 
linecode esf 
clock source network 
pri-group 1 timeslots 1-12,24 
C. controller t1 1/0 
linecode b8zs 
framing esf 
clock source line 
pri-group timeslots 1-12,24 
D. controller t1 1/0 
linecode b8zs 
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framing esf 
clock source network 
pri-group timeslots 1-12 service primary-ni 
Answer: C 
36. Ninety-eight users share an E1 connection to the PSTN in your IP telephony service. They all require voice
mail. Which three hardware components can be used? (Choose three.) 
A. 2821 Integrated Services Router 
B. 3725 Router 
C. NM-CUE-EC 
D. AIM-CUE 
E. AIM-VOICE with VWIC2-1MFT-T1/E1 
F. NM-2V with VWIC-MFT-E1 
Answer: BCE 
37. Which two commands need to be added to this configuration to allow IP Phones in subnet 10.100.1.0 to
register with Cisco CallManager Express at address 10.10.1.1? (Choose two.)  
A. ip helper address 10.10.1.1 under interface FastEthernet0/0.100 
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B. option 150 ip 10.10.1.1 under dhcp pool Phones 
C. default-router 10.100.1.1 under dhcp pool Phones 
D. subnet prefix-length 24 under dhcp pool Phones 
E. encapsulation dot1q 10 native under interface FastEthernet0/0.10 
Answer: BC 
38. Which protocol is required for an IP Phone to register with Cisco CallManager Express? 
A. TFTP 
B. DHCP 
C. NTP 
D. FTP 
E. AAA 
Answer: A 
39. Which configuration will enable a live MOH feed connected to E&M port 1/0/0? 
A. voice-port 1/0/0
type e&m 4-wire 
dial-peer 7000 voice voip
destination-pattern 7000
port 1/0/0
ephone 100
number 7000
moh out-call 7000
B. voice-port 1/0/0
auto-cut-through
operation 4-wire
signal immediate
dial-peer 7000 voice pots
destination-pattern 7000
port 1/0/0
ephone 100
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number 7000
moh out-call 7000
C. voice-port 1/0/0
type e&m 4-wire
dial-peer 7000 voice voip
destination-pattern 7000
port 1/0/0
ephone-dn
number 7777
moh out-call 7000
D. voice-port 1/0/0
auto-cut-through
operation 4-wire
signal immediate
dial-peer 7000 voice pots
destination-pattern 7000
port 1/0/0
ephone-dn 100
number 7777
moh out-call 7000
Answer: D 
40. Which three of these troubleshooting tools are available through the GUI? (Choose three.) 
A. view system configuration 
B. view trace output 
C. refresh MWI 
D. turn on trace functions 
E. turn on logging 
F. view logging output 
Answer: ACD 
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41. Which two of these methods will allow a CUE administrator to view the output of the CUE message log file?
(Choose two.) 
A. syslog server 
B. GUI interface 
C. CLI 
D. text editor 
E. TFTP server 
Answer: CD 
42. Which of these methods will allow the CUE administrator to selectively view logging methods as they occur? 
A. syslog server 
B. GUI interface 
C. CLI 
D. TFTP server 
Answer: C 
43. Acme Booster Corporation has a corporate policy stating that all routing devices will have their configurations
backed up to a corporate server on a weekly basis. Their CUE module is a component of the Cisco CallManager
Express device. Which three parameters will ensure successful backup of the CUE module configuration?
(Choose three.) 
A. A TFTP server must be present and available to the CUE module. 
B. The CUE module must have modify permissions on the backup server directory. 
C. The CUE module must be in an offline mode prior to instituting the backup. 
D. An FTP server must be present and available to the CUE module. 
E. The CUE module must copy the configuration and messages to separate directories on the backup server. 
F. The CUE module must have read and write permissions on the backup server directory. 
Answer: CDF 
44. The Acme Rocket Corporation is interested in deploying an IP telephony solution for their R&D facility and
two remote test sites. The R&D facility has approximately 450 employees and will require a Cisco CallManager.
Each of the test sites has 75 employees, and each will require a Cisco CallManager Express. Acme Rocket
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Corporation currently has an IP WAN connecting these sites. Which two of these services and signaling protocols
need to be deployed on the IP WAN for this solution to function properly? (Choose two.) 
A. IP-to-IP gateway 
B. tandem gateway 
C. call hairpinning 
D. gatekeeper 
E. H.450.x gateway 
Answer: BC 
45. The Acme Rocket Corporation is interested in deploying an IP telephony solution for their R&D facility and
two remote test sites. The R&D facility has approximately 450 employees and will require a Cisco CallManager.
Each of the test sites has 75 employees, and each test site will require a Cisco CallManager Express. Acme Rocket
Corporation currently has an IP WAN connecting these sites. 
Which two of these services and signaling protocols need to be deployed on the IP WAN for this solution to
function properly? (Choose two.) 
A. SIP call signaling protocol 
B. H.323 call signaling protocol 
C. MGCP call signaling protocol 
D. QoS services for call setup and RTP streams 
E. QoS services for RTP streams 
F. A SIP proxy to support H.450.x protocols 
Answer: BD 
46. The Acme Rocket Corporation is interested in deploying an IP telephony solution for their R&D facility and
two remote test sites. The R&D facility has approximately 450 employees and will require a Cisco CallManager.
Each of the test sites has 75 employees, and each test site will require a Cisco CallManager Express. Acme Rocket
Corporation currently has an IP WAN connecting these sites, but it will be used for data only. 
Which Cisco CallManager Express deployment model would characterize each of the test sites? 
A. Cisco CallManager Express integration with Cisco CallManager 
B. Cisco CallManager Express integration with SIP 
C. Cisco CallManager Express stand-alone 
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D. Cisco CallManager Express to Cisco CallManager Express 
Answer: C 
47. The Acme Rocket Corporation would like to integrate their existing Octel voice mail system with Cisco
CallManager Express. Which deployment model will allow the Octel system to be integrated with CallManager
Express? 
A. SIP integration 
B. analog DTMF integration 
C. SCCP integration 
D. digital T1 integration 
Answer: B 
48. When integrating Cisco CallManager Express with Cisco Unity v 3.1 or higher, which three of these
integration methods are supported? (Choose three.) 
A. analog 
B. SCCP 
C. H.323 
D. SIP 
E. digital T1 
F. digital E1 
Answer: BCD 
49. When a Cisco CallManager Express caller calls CUE, which call processing protocol is used to communicate
with CUE? 
A. analog 
B. SCCP 
C. H.323 
D. SIP 
E. digital T1 
Answer: D 
TestInside    642-143
50. The Acme Rocket Corporation is integrating their existing Octel voice mail system with Cisco CallManager
Express. The Octel voice mail system has four ports and a voice mail pilot point of 53222. How should the
CallManager Express be configured to support this integration? 
A. A separate VoIP dial peer needs to be configured for the four pilot point numbers. 
B. Four dial peers need to be configured with the same pilot point number. 
C. Four ephone-dns and four ephones need to be configured with the same pilot point number. 
D. Four ephones and four dial peers need to be configured with the same pilot point number. 
Answer: B 
51. Cisco CallManager Express is being implemented in a standalone environment with PSTN interfaces. Which
two of these represent valid options for fax support? (Choose two.) 
A. Make the fax machine appear to be an SIP device by connecting it to an ATA. 
B. Make the fax machine appear to be an H.323 device by connecting it to an ATA. 
C. Make the fax machine appear to be an SCCP device by connecting it to an ATA. 
D. Connect the fax to an FXO port of the Cisco CallManager Express router. 
E. Connect the fax to an FXS port of the Cisco CallManager Express router. 
Answer: CE
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