CCNA Voice Questions

1. Which utility should you use when you need to add a large number of users into Cisco Unified

Communications Manager?

a. Cisco Unified User Administration

b. Application User CAPF Profile

c. Cisco Unified Communications Manager Bulk Administration Tool

d. Cisco Unified Telephony User Administration

2. Which protocol is used to securely access Cisco Configuration Professional?

a. HTTPS

b. Telnet

c. SCP

d. TLS

3. A phone is configured with an ephone-dn number of A100. Which CLI command is used in ephone-dn configuration mode to enable the Intercom feature to dial this phone?

a. intercom extension A100

b. intercom number A100

c. intercom A100 enable

d. intercom A100

4. Cisco Unified Communications Manager Express does not support which of the following protocols?

a. H.232

b. SCCP

c. MGCP

d. SIP

5. What will happen if an end user is deleted from the Cisco Unified Communications Manager system?

a. The user will be removed, but the associated device and directory number will remain in the system. b.The user will be removed, and the associated device and directory number will be automatically assigned to the administrator.

c. The user will be removed, and the associated device and directory number will be allocated to the next user added to the system.

d. The user and the associated device will be removed, but the directory number will become orphaned.

e. The user, the associated device, and the directory number will be removed.

6. Your customer has a Cisco Unified Communications Manager and is using both Cisco IP phones and third-party phones. Which of the following statements would be true about the customer’s environment?

a. The signaling protocol used for all phones is SCCP. b. The signaling protocol used for all phones is MGCP. c. The signaling protocol used for Cisco phones is SCCP. The signaling protocol for the third-party phones is MGCP. d. The signaling protocol used for Cisco phones is SCCP. The signaling protocol for the third-party phones is SIP.

7.An administrator wants to import users using the Bulk Administration menu in Cisco Unified

Communications Manager Administration. Which file format is valid for this operation?

a. .PDF

b. .DOC

c. .DOCX

d. .CSV

e. .XLS

8.Which command is useful to see if network layer information is being received at a PSTN gateway?

a. Show gateway status

b. Show isdn q931

c. Show c cm-manager status

d. Show isdn status

e. Show isdn q921

9.Which headers are compressed when cRTP is used?

a. The UDP and RTP headers

b. The IP header only

c. The TCP header only

d. The RTP header only

e. The IP, UDP, RTP headers and the first byte of the payload

f. The IP, UDP, and RTP headers

10.When adding an IP phone to a Cisco Unified Communications Manager system, what two choices does an administrator have to add the phone to the system? (Choose two.)

a. Auto-registration

b. FHSS provisioning

c. IP phone configuration assistant

d. Manual provisioning

e. Cisco Unified Serviceability

11.Which of the following statements about H.323 is correct?

a.H.323 is an open-standard, client/server protocol that is used for voice, video, and data.

b.H.323 is a proprietary peer-to-peer protocol that is used for voice, video, and data.

c.H.323 is an open-standard, peer-to-peer protocol that is used for voice and video but not data.

d.H.323 is an open-standard, peer-to-peer protocol that is used for voice, video, and data.

12.After an IP phone has been added to a Cisco Unified Communications Manager server, the administrator notices that the phone has a directory number that is not in the number range in use by the organization. He also notes that the directory number is 1000. What is the most likely cause?

a. The phone number was misconfigured.

b. The phone may have auto-registered.

c. The phone is configured on another server.

d. DHCP gave the phone the wrong directory number

e. TFTP server is misconfigured

13. Which two types of device can the Cisco Unified Disaster Recovery use as a backup target? (Choose two.)

a. DVD RAM drive

b. FTP server

c. Tape device

d. TFTP server

e. WebDAV server

f. SFTP server

g.CD RAM

14.What component does Cisco Unified Communications Manager Express use to match outbound dial peers?

a. destination pattern

b. incoming called-number

c. calling number ANI

d. answer-address

e. port or session target

15.How can an administrator determine which codec is being used between two endpoints while a call is in progress?

a. Run the codec trace in Cisco Unified Communication Manager.

b. Use Cisco Unified Serviceability network trace.

c. Can only be seen in Cisco SDI traces.

d. Can only be seen in a sniffer trace.

e. Press the ?button twice on one of the IP phones.

16.A new phone has been added to the Cisco Unified Communications Manager server. The phone display shows Your Current Options, but when the New Call softkey is pressed, no dial tone is heard and the call cannot be placed. What could be the cause of this issue?

a. An incorrect MAC address has been entered for the new phone.

b. No directory number has been assigned to a line.

c. The end user is not associated with the device.

d. No calling search space has been configured on the line.

e. An incorrect device pool has been configured on the phone

17.What Cisco client application allows administrators to interact with performance monitoring counters to assist in determining the overall health of the Cisco Unified Communications Manager server?

a. Cisco Unified Communications Manager Administration

b. Cisco Unified Real-Time Monitoring Tool

c. Cisco Unified OS Administration

d. CAR Tool

e. BAT Tool

18.After changes are made to an IP phone, which reset method is the fastest to bring the phone back into service?

a. Drop

b. Restart

c. Reset

d. Shutdown

e. Shut and no shut

19.In which two locations can an end user configure their Call Forward All settings? (Choose two.)

a. Cisco Unified Serviceability

b. Cisco Unified Communications Manager User Options Interface

c. Directly on the Cisco Unified IP phone

d. Cisco Unified Communications Manager Administration

e. Cisco Unified User Serviceability

20.To obtain CDR information, which application is used?

a. Cisco Unified Communications Manager Administration

b. Cisco Unified Serviceability

c. Cisco Unified Operating System Administration

d. Disaster Recovery System

e. Cisco Unified Communications Manager Call Detail Record Analysis and Reporting tool

f. Cisco Unified Reporting

21.Which call processing agent is based on Cisco IOS software and works with ISR platforms?

a. Cisco Unified Presence Server

b. Cisco Unity Connection

c. Cisco Unified Communications Manager Express

d. Cisco Unified Communications Manager

e. Cisco Unified Contact Center Express

22. What is true of CAS signaling on a T1 circuit?

a. Signaling bits are subtracted from each frame, which causes a significant loss of voice quality.

b. An extra signaling bit is added to the sixth frame to carry signaling information.

c. A signaling bit is subtracted from every sixth frame to carry signaling information.

d. Signaling bits are added to the signaling stream to create extended super frames.

23. How does the Cisco Unified Communications Manager Express match an outbound VoIP dial peer?

a. Outbound dial-peer matching uses the entire string of digits en bloc to match the dial peer with the longest match.

b. Outbound dial-peer matching is completed on a digit-by-digit basis.

c. It matches outbound dial peers by placing all the dial peers into a hunt group and then uses the entire dialed number en bloc to match the first dial peer.

d. Cisco Unified Communications Manager Express creates a hunt group that contains all the configured dial peers and then applies the dial digits in a digit-by-digit manner to match a dial peer.

24.In a centralized deployement model what is the default codec used when a user in main office calls the branch office user ?

a.G711

b.G729

c. G728

d. G721

25.In a Cisco UCM multisite WAN with centralized call-processing deployment model, what redundancy feature should be configured on remote site routers to provide basic IP telephony services in the event of a WAN outage?

a. AAR
b. SRST
c. CAC
d. VPN

26.Which type of server is used to deliver the configuration to an IP phone?

a. TFTP

b. DHCP

c. FTP

d. Cisco Discovery Protocol

27. Which of the following is a Cisco-proprietary protocol?

a. H.232

b. SCCP

c. MGCP

d. SIP

28.In which situation are only user PINs maintained by the local Cisco Unified Communications servers and not other user information?

a. Only when the system is using LDAP synchronization.

b. Only when the system is using LDAP authentication.

c. Only when the system is using Global Directory.

d. PINs are always maintained by the local Cisco Unified Communications Manager servers

e. PINs are never maintained by the local Cisco Unified Communications Manager servers.

29. In CUCM User Management page there is no option to add a new user. What is the cause of this issue?

a. The SQL User database is not running.

b. The system is synchronized with an LDAP server.

c. BAT is not enabled.

d. The administrator has the no user add rights box checked.

e. The SIP Realm is not defined in User Management.

30.Which type of single switch port can support data and voice VLANs and is recommended for Cisco Unified IP phones?

a. Multiflex port

b. Trunk port

c. Access port

d. ISL trunking port

31. Which protocol is used for communication between Cisco Unity connection Express and Cisco Unified Communications Manager Express?

a. H.323

b. G.711

c. MGCP

d. Q.931

e. SIP

32.Which value does an administrator assign to option 150 for DHCP to operate correctly in a CUCM environment?

a. IP address of the DNS server

b. IP address of the TFTP server

c. MAC address of the TFTP server

d. MAC address of the DHCP server

e. MAC address of the Cisco Unified Communications Manager Express router

f. IP address of the PC on which the Cisco Unity Express module is installed

33.Which three of the following options are Cisco Unified Communications Manager functions? (Choose three).

a. packet routing

b. signaling and device control

c. Dial Plan administration

d. Phone-feature administration

e. storing voice mail

f. providing call-center functionality

g. filtering IP packets

34. If you don’t have DNS server in your cluster, how can you remove DNS reliance?

a. Change the Cisco Unified Communications Manager names to IP addresses

b. Change option 150 in the DHCP settings.

c. Set the DNS server IP address to 0.0.0.0.

d. Change the Cisco Unified Communications Manager server names to IP addresses.

35.Which parameters are used to configure cluster-wide or per-server service-specific parameters?

a. service parameters

b. global parameters

c. feature parameters

d. application parameters

36. Which two configuration elements are used to assign privileges to users? (Choose two.)

a. Functional groups

b. Roles

c. User groups

d. Common user settings

e. Privilege groups

37. What LDAP integration options are supported in CUCM w.r.t. end users ? (Choose two.)

a. LDAP synchronization

b. LDAP replication

c. LDAP authentication

d. LDAP authorization

e. LDAP distribution

38. Which of the following is the correct boot sequence of a Cisco IP phone?

a. Configure voice VLAN, obtain power, load configuration file, obtain IP address

b. Load configuration file, obtain power, obtain IP address, configure voice VLAN

c. Obtain power, configure voice VLAN, obtain IP address, load configuration file

d. Obtain power, load configuration file, configure voice VLAN, obtain IP address

39. Which of the following are supported Cisco Unified Communications Manager deployment models?

a. A single site with one call-processing agent

b. Three clusters in active-active mode

c. Multiple sites with centralized call processing

d. Two load-balancing clusters

e. Multiple sites, each with its own call-processing agent

f. A single site with distributed call processing

g. Two or more clusters with bidirectional trust relationships

40. When you are adding phones with the Cisco Unified Communications Manager Bulk Administration Tool which of the following step will you not use?

a. Upload a phone template.

b. Start a Cisco Unified Communications Manager BAT job to add phones.

c. Configure a phone template.

d. Upload a CSV data input file.

41. A CUCM user changes her Windows domain login password, but when she accesses the CUCM user web page, she is able to login using the old password only. What may be the reason?

a. LDAP Synchronization has not been configured.

b. Cisco Unified Services for Windows Domains has not been configured.

c. Angie must wait 24 hours for the password to synchronize.

d. LDAP Authentication has not been configured in CUCM.

42. Which of the following distribution algorithms are used by Hunt Lists? (Choose 4).

a. Top-Down

b. Round-Robin

c. Simultaneous

d. Broadcast

e. Longest Idle

f. Circular

g. Multicast

43. Which two are peer - to - peer signaling protocols?

a. SCCP and H.323

b. SIP and MGCP

c. SIP and H.323

d. SCCP and MGCP

e. H.323 and MGCP

44. How is RTP data transported when two users are talking over Cisco IP Phones to each other in the same office?

a. It must be proxied throughout the CUCM.

b. It must be sent through a voice gateway.

c. It is sent directly from one endpoint to another.

d. Each RTP stream terminates at the CUCM.

45. What is the default protocol configured in FXS port?

a. SIP

b. GroundStart

c. LoopStart

d. SCCP

46. What does 2 represent in the command button 1:2 ?

a. Extension #2 on the phone

b. A dual - line ephone

c. Ephone - DN #2

d. Ephone #2

47. How many call-processing agents can be active in a CUCM cluster?

a.20

b.4

c.8

d.9

e.2

48. Which protocol is used to synchronize clocks on all voice and data network equipment?

a. VTP

b. NTP

c. CDP

d. Timezone

e. DST

49. Which Cisco Communications Manager runs on a router platform?

a. CUCM

b. CUCMBE

c. CUCM Express

d. All of the above

50.. Which protocol is used to monitor and provide detailed information about the quality of an

RTP stream?

a. cRTP

b. RTCP

c. UDP

d. TCP

e. H.323

51. Which of the below interface is the standard analog telephone connected to?

a. CO

b. DID

c. FXS

d. FXO

52. Which Unified Communications Manager runs on a Linux operating system? Select all that

apply.

a. CUCM

b. CUCM Express

c. CUCMBusiness Edition

d. None of the above

53. Which of the following is responsible for handling the database read/write functions of the CUCM?

a. Subscriber

b. Publisher

c. Unity Connection

d. Unity

54. Which of the following is not an IP telephony deployment model Cisco recommends?

a. Single site

b. Multisite with centralized call processing

c. Single site with distributed call processing

d. Clustering over the WAN

e. Multisite with distributed call processing

55. How many simultaneous voice calls can an E1 PRI handle at a given time?

a. 23

b. 24

c. 2

d. 30

e. 32

56. What can you use to help eliminate voice congestion on slow WAN links?

a. RTCP

b. RTP

c. cRTP

d. TCP/IP

57. What types of signaling protocols allow the endpoints to contain the intelligence to place their own calls?

a. Client - server

b. SCCP

c. Peer - to - peer

d. CDP

58. ______________ is responsible for translating an analog voice signal to digital?

a. SCCP gateway

b. H.323

c. DSP

d. Transcoder

e. MGCP gateway

59. What protocol is responsible for the sequencing of voice packets?

a. RTCP

b. Jitter

c. G.711

d. UDP

e. RTP

60. What protocol is used to notify the Cisco IP phone of its voice VLAN number?

a. PoE

b. Spanning Tree Protocol

c. Cisco Discovery Protocol

d. VLAN Trunking Protocol

61.What is the maximum end - to - end delay for voice packets on a network according to Cisco?

a. 200 ms

b. 100 ms

c. 150 ms

d. 80 ms

e. 250 ms

62. What command is used to manually update the phone configuration load files on a CUCM Express?

a. Create firmware

b. Create cnf - files

c. Load cnf - files

d. Load firmware

63. What is the advantage of ground start signaling over loop start signalling?

a. Preventing Echo

b. Preventing Glare

c. Reflexive transmissions

d. Mirrored communication

64. What are all the disadvantages of using analog connectivity? (choose 2 options)

a. Conversion complexity

b. Degradation of voice quality

c. More cables

d. Lack of common voice services

65. Which of the following standards created by the ITU designates international numberingplans for devices connected to the PSTN?

a. ITU-T

b. E.164

c. ITU-161

d. T-161

66. What frequency range is accurately reproduced by the Nyquist theorem?

a. 200–9000 Hz

b. 300–3400 Hz

c. 300–4000 Hz

d. 20–20,000 Hz

67. What amount of bandwidth is consumed by the audio payload of G.729?

a. 4.3 kbps

b. 6.3 kbps

c. 8 kbps

d. 16 kbps

68. Two users are talking on Cisco IP Phones to each other in the same office. Midwaythrough the call, an administrator reboots the CME router. What happens to the currentcall?

a. The call is immediately disconnected.

b. The call disconnects once the TCP keepalive between the Cisco IP Phones andthe CME router fails.

c. The call remains active; however, no supplemental features (such as hold, transfer,etc) are available for the remainder of the call.

d. The call remains active, and the Cisco IP Phones enable SIP Proxy mode for RTP.

69. Which of the following equipment allows the CME router to convert analog audiointo VoIP packets?

a. CPU/Processor

b. Digital Signal Processor

c. SIP CODEC conversion

d. CODEC IOS enablement

70. If a CUCM Publisher server fails, which of the following events occur?

a. A CUCM Subscriber takes over Publisher functions until the original Publisherserver preempts the role.

b. A CUCM Subscriber takes over Publisher functions permanently; if the originalPublisher server returns, it is demoted to a Subscriber role.

c. Administrative access to the CUCM database becomes read-only; user-facingfeatures are writable to the Subscriber.

d. Outside calling is disabled until the CUCM Publisher returns to the network.

71. How many redundant CUCM servers does a Cisco IP Phone support (not including SRST devices)?

a. 2

b. 3

c. 4

d. 6

72. Which of the following governs the number of concurrent calls supported by a CiscoUnity Connection server?

a. Trunk Ports

b. Voicemail Ports

c. SIP Proxy Server

d. CUCM SCCP Hunt Group

73. Which of the following is an industry standard used for powering devices using anEthernet cable?

a. Cisco Inline Power

b. 802.1Q

c. 802.3af

d. Local power brick

74. How does a device attached to a Cisco IP Phone send data to the switch?

a. As tagged (using the voice VLAN)

b. As untagged

c. As tagged (using the data VLAN)

d. As tagged (using the CoS value)

75. Which of the following number will match the destination pattern 5[138].?

a. 5136

b. 51384

c. 516

d. 138

76. Which of the following show commands enable you to see all the Cisco IP Phonesthat have registered with the CME router?

a. Show ip phone registered

b. Show ephone registered

c. Show voip registered

d. Show voice registered

77. Which three of these are part of the E.164 number in the ITU-T numbering plan for geographic areas?
a. SANC.SPID
b. Station code
c. Country code
d. Subscriber number
e. Numbering plan area
f. National destination code
78. What is required to convert a G711ulaw call to G729?
a. Voice Termination resources
b. Conferencing resources
c. Converter resources
d. Transcoding resources
79. Which three characteristics apply to ISDN PRI? (Choose three)
a. PRI offers 20 B channels and 1 D channel
b. the D channel is 64 kbps
c. can carry data, voice, or video
d. can carry vendor-specific PBX features
80. Which mandatory parameters are required when manually creating users on Cisco Unity Connection ?
a. Username (alias)
b. Extension
c. First name and last name
d. Employee ID
e. Title
81. An IP phone has a line calling search space and a device calling search space. If a call is made from the IP phone, which calling search space is used?
a. Neither calling search space is used.
b. The line calling search space takes precedence and is used.
c. The device calling search space takes precedence and is used.
d. The line and device calling search spaces are combined and the line calling search space has precedence.
82. In which two ways can an administrator reset an IP phone that is registered with Cisco Unified Communications Manager?
a. Phone can be reset in Cisco Unified Communications Manager Administration.
b. Phone can be reset in the Cisco Unified Communications Manager Express CLI.
c. Press the * * #* * key combination on the IP phone keypad.
d. Enter the reset ephone command in the switch.
e. Press the * * #* key combination on the IP phone keypad.
f. Press the ##**# key combination on the IP phone keypad.
83. You want to remove all unassigned directory numbers on the Cisco Unified Communications Manager system. Which is the best method to accomplish this task?
a. Choose Device > Phone. Search all phones and remove the undesired directory numbers.
b. Use the Dial Plan Installer to remove the directory numbers.
c. Use the Disaster Recovery System to restore only valid directory numbers.
d. Choose Call Routing > Route Plan Report, choose the Unassigned DN drop-down menu, and then remove all orphaned directory numbers.
e. Choose Device > Device Settings > Device Defaults and use the wizard to locate and remove the orphaned directory numbers.
84. Which report can be generated by using the User Reports feature of the CAR tool?
a. Traffic
b. Top N
c. Malicious Call Details
d. CDR Error
e. FAC/CMC

85. 85.Which of the folloeing is correct when creating ephone?

a.Router(config-telephony)# ephone 10

Router(config-ephone)# mac-address 00CC.0001.A123