CCNA Voice: Trivia Quiz On Supervisory, Informational And Address Signaling!

64 Questions | Total Attempts: 23

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CCNA Voice: Trivia Quiz On Supervisory, Informational And Address Signaling!

What we have here is a CCNA voice trivia quiz on supervisory, informational, and address signaling! If you are practicing for sitting for your exams, the quiz below is exactly what you need to refresh your knowledge. How about you give it a try and get to see how well you will do when it comes to questions on this section.


Questions and Answers
  • 1. 
    Which of the following signaling types represents supervisory signaling?
    • A. 

      Off-Hook Signaling

    • B. 

      Dial tone

    • C. 

      DTMF

    • D. 

      Congestion

  • 2. 
    What are two disadvantages of using analog connectivity?
    • A. 

      Conversion Complexity

    • B. 

      Signal Quality

    • C. 

      Limited calls per line

    • D. 

      Lack of common voice services

  • 3. 
    Which of the following systems allows you to send multiple voice calls over a single digital circuit by dividing the calls into specific time slots? 
    • A. 

      MUX

    • B. 

      DE-MUX

    • C. 

      TDM

    • D. 

      TCP

  • 4. 
    When using T1 CAS Signaling, which bits are used to transmit signaling information within each voice channel? 
    • A. 

      The first bit of each frame

    • B. 

      The last bit of each frame

    • C. 

      Second and third bits of every third frame

    • D. 

      Eighth bit of every of sixth frame 

  • 5. 
    How large is each T1 frame sent over a digital CAS connection? 
    • A. 

      8 bits

    • B. 

      24 bits

    • C. 

      80 bits

    • D. 

      193 bits

  • 6. 
    Analog phones connected to the PSTN typically used which of the following signal types?
    • A. 

      Loop Start

    • B. 

      Ground Start

    • C. 

      CAS

    • D. 

      CCS

  • 7. 
    Which of the following  issues is prevented by using ground-start signaling?
    • A. 

      Echo

    • B. 

      Glare

    • C. 

      Reflexive Transmission

    • D. 

      Mirrored Communication

  • 8. 
    Which of the following time slots are used for T1 and E1 signaling when using CCS connections?
    • A. 

      Time slot 1

    • B. 

      Time slot 16

    • C. 

      Time slot 17

    • D. 

      Time Slot 23

    • E. 

      Time slot 24

  • 9. 
    Which of the following standards created by the ITU designates international numbering plans for devices connected to the PSTN?
    • A. 

      ITU-T

    • B. 

      E.164

    • C. 

      ITU-161

    • D. 

      T-161

  • 10. 
    What frequency range is accurately reproduced by the Nyquist theorem on the PSTN?
    • A. 

      200-9000 Hz

    • B. 

      300-3400 Hz

    • C. 

      300-4000 Hz

    • D. 

      20-20,000 Hz

  • 11. 
    You are considering using CCP to create COR configurations. Which of the following is true? 
    • A. 

      CCP cannot configure COR; you must use the CLI

    • B. 

      CCP creates partitions and search spaces at the command line, based on the entries made in the CCP GUI

    • C. 

      CCP uses a single interface to create both incoming and outgoing COR lists

    • D. 

      CCP implements forced authorization codes (FACs) for each call when you implement COR configurations; consequently, every call to the PSTN requires FAC.

  • 12. 
    What amount of bandwidth is consumed by the audio payload of G.729a?
    • A. 

      4.3 kbps

    • B. 

      6.3 kbps

    • C. 

      8 kbps

    • D. 

      16 kbps

  • 13. 
    If an ephone-dn lacks an incoming COR list and attempts to dial a dial peer assigned an outgoing COR list, what behavior occurs? 
    • A. 

      CME Denies the call

    • B. 

      CME Permits the call

    • C. 

      The call is rerouted to the next dial peer without an outgoing COR list

    • D. 

      CME disables the ephone-dn lacking an incoming COR

  • 14. 
    Which of the following are high-complexity codecs?
    • A. 

      G.711 μ-law

    • B. 

      G.729a

    • C. 

      ILBC

    • D. 

      G.729

  • 15. 
    What is the final method used by a router to match an inbound dial peer for incoming calls?
    • A. 

      Using the answer-address command

    • B. 

      Using Dial Peer 0

    • C. 

      Using the port command

    • D. 

      Using the destination-pattern command 

  • 16. 
    Which of the following products would support integrated FXS ports?
    • A. 

      Cisco Unified Communications Manager Express

    • B. 

      Cisco Unified Communications Manager

    • C. 

      Cisco Unified Presence

    • D. 

      Cisco Unity Connection

  • 17. 
    Which of the following signaling methods can CME use for endpoint control?
    • A. 

      SCCP

    • B. 

      SIP

    • C. 

      H.323

    • D. 

      MGCP

  • 18. 
    Which of the following digits manipulation commands will work under a VoIP dial peer?
    • A. 

      Prefix

    • B. 

      Forward-digits

    • C. 

      Translation-profile

    • D. 

      Digit-strip

  • 19. 
    After you create a translation rule, how is it applied?
    • A. 

      To an interface

    • B. 

      To a translation profile

    • C. 

      Globallly

    • D. 

      To a dial peer

  • 20. 
    Two users are talking on Cisco IP phones to each other in the same office. Midway through the call, an administrator reboots the CME router. What happens to the current call?
    • A. 

      The call is immediately disconnected.

    • B. 

      The call disconnects once the TCP keepalive between the Cisco IP phones and the CME router fails.

    • C. 

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

    • D. 

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

  • 21. 
    Which of the following destination patters could you use to match any dialed number up to 32 digits in length?
    • A. 

      .+

    • B. 

      [0-32]

    • C. 

      T

    • D. 

      &

  • 22. 
    Which of the following equipment allows the CME router to convert analog audio into VoIP packets?
    • A. 

      CPU/processor

    • B. 

      Digital signal processor

    • C. 

      SIP codec conversion

    • D. 

      Codec IOS enablement

  • 23. 
    What is the default codec used by a VoIP dial peer?
    • A. 

      G.711 μ-law

    • B. 

      G.711 a-law

    • C. 

      G.723

    • D. 

      G.729

  • 24. 
    Which of the following key features supported by CUCM does CME not support?
    • A. 

      SIP/SCCP endpoint control

    • B. 

      Redundancy

    • C. 

      PSTN gateway functionality

    • D. 

      VMware deployment on Unified Computing System platform

  • 25. 
    You have the following the configuration enter on your voice router: dial-peer voice 99 pots destination-pattern 115 port 1/0/0 A user dials number 1159. What digits does the router send out the port 1/0/0?
    • A. 

      1159

    • B. 

      115

    • C. 

      11

    • D. 

      59

    • E. 

      9

  • 26. 
    If a CUCM Publisher server fails, which of the following events occur?
    • A. 

      A CUCM Subscriber takes over Publisher functions until the original publisher server preempts the role.

    • B. 

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

    • C. 

      Administrative access to the CUCM database becomes read-only; user-facing features are writable to the subscriber.

    • D. 

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

  • 27. 
    How many redundant CUCM servers does a Cisco IP phone support for failover purposes (not including SRST devices)?
    • A. 

      2

    • B. 

      3

    • C. 

      4

    • D. 

      6

  • 28. 
    You want to configure a dial peer to connect to a PBX system using a digital T1 CAS configuration. What type of dial peer would you create? 
    • A. 

      Analog

    • B. 

      Digital 

    • C. 

      POTS

    • D. 

      VoIP

  • 29. 
    How many call processing servers does Cisco support in a standard CUCM cluster (that is, not a "megacluster")?
    • A. 

      2

    • B. 

      3

    • C. 

      6

    • D. 

      8

    • E. 

      9

  • 30. 
    When run on a single server, Cisco Unity Connection can support up to 20,000 mailboxes. When combining two Cisco Unity Connection servers in an active/active redundancy pair, how many mailboxes are supported?
    • A. 

      20,000

    • B. 

      35,000

    • C. 

      40,000

    • D. 

      45,000

  • 31. 
    Which of the following commands would you use to configure a T1 line to use channels 1 through 6 to connect to the PSTN using FXO loop start signaling? 
    • A. 

      Pri-group 1-6 type fxo-loop-start

    • B. 

      Pri-group 1 timeslots 1-6 type fxo-loop-start

    • C. 

      Ds0-group 1-6 type fxo-loop-start

    • D. 

      Ds0-group 1 timeslots 1-6 type fxo-loop-start

  • 32. 
    Which of the following governs the number of concurrent calls supported by a Cisco Unity Connection server?
    • A. 

      Trunk ports

    • B. 

      Voicemail port

    • C. 

      SIP proxy server

    • D. 

      CUCM SCCP hunt group

  • 33. 
    Cisco Unified Presence supplies which of the following capabilities?
    • A. 

      Cisco Unifi ed Personal Communicator

    • B. 

      Enterprise IM Solution

    • C. 

      Visible status indicators of IP Phone users

    • D. 

      Multipoint audio and HD video

  • 34. 
    Which of the following interface types would you use to connect to an analog fax machine to the VoIP network?
    • A. 

      FXS

    • B. 

      FXO

    • C. 

      E&M

    • D. 

      BRI

  • 35. 
    Which of the following is an industry standard used for powering devices using an Ethernet cable?
    • A. 

      Cisco inline power

    • B. 

      802.1Q

    • C. 

      802.3af

    • D. 

      Local power brick

  • 36. 
    Which of the following is true of the relationship between users, phones, and extensions in CME?
    • A. 

      A user must be associated with a phone

    • B. 

      Once a user is associated with a phone, his presence status is automatically monitored for on-hook/off-hook condition. 

    • C. 

      Associating a user with a phone allows that user to make changes to their phone, including speed dials and ringer choices

    • D. 

      There is no telephony functionality at all if the user is not associated with the phone. 

  • 37. 
    Which of the following are valid methods for powering a Cisco IP phone?
    • A. 

      Power brick

    • B. 

      Crossover coupler

    • C. 

      PoE

    • D. 

      Using pins 1, 2, 3, and 4

  • 38. 
    Which of the following terms are associated with a VLAN?
    • A. 

      IP subnet

    • B. 

      Port security

    • C. 

      Broadcast domain

    • D. 

      Collision domain

  • 39. 
    In CME, how would you create a directory entry and an internal caller ID name that is visible on the IP phones registered to the system. 
    • A. 

      Create an extension using CCP

    • B. 

      Create a phone using CCP

    • C. 

      Create a directory entry list using CCP

    • D. 

      Create an address list service using the CLI

  • 40. 
    Which of the following trunking protocols would be used to connect a Cisco switch to a non-Cisco switch device?
    • A. 

      VTP

    • B. 

      802.3af

    • C. 

      802.1Q

    • D. 

      ISL

  • 41. 
    How should you configure a Cisco Catalyst switch port supporting voice and data VLANs that is connected to a Cisco IP phone?
    • A. 

      Multi-VLAN access

    • B. 

      Trunk

    • C. 

      Dynamic

    • D. 

      Dynamic desired

  • 42. 
    Bob has decided not to use an external TFTP server for all his new SIP phone firmware loads, even though that is possible and would work fine. Instead he has chosen to let the CME router provide TTP services for phone firmware from the flash directory. Bob knows that setting up the TFTP services and commands is possible at the command line, but he would rather use CCP if possible. Which of the following is true for Bob?
    • A. 

      Bob can only use CCP to set up phone firmware and TFTP if he first copies the firmware files to flash using the CLI.

    • B. 

      Bob can either use existing firmware files or upload new ones to router flash using CCP under the Unified Communications Menu

    • C. 

      Bob cannot use CCP to set up and configure phone firmware files; this must be done manually at the CLI

    • D. 

      Although CCP can set up and configure firmware and TFTP services, it is not necessary because CME v10.x has the necessary configurations in place as a factory default. 

  • 43. 
    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)

  • 44. 
    Which of the following commands should you use to configure a port for a voice VLAN 12?
    • A. 

      Switchport mode voice vlan 12

    • B. 

      Switchport trunk voice vlan 12

    • C. 

      Switchport voice vlan 12

    • D. 

      Switchport vlan 12 voice

  • 45. 
    Which of the following commands would you use to forward DHCP requests from an interface connected to the 172.16.1.0/24 subnet to a DHCP server with the IP address 172.16.100.100?
    • A. 

      Forward-protocol 172.16.1.0 255.255.255.0 172.16.100.100

    • B. 

      Forward-protocol dhcp 172.16.1.0 255.255.255.0 172.16.100.100

    • C. 

      Ip helper-address 172.16.1.0 172.16.100.100

    • D. 

      Ip helper-address 172.16.100.100

  • 46. 
    How does the Cisco switch communicate voice VLAN information after a Cisco IP phone has received PoE and started the boot process?
    • A. 

      Through CDP

    • B. 

      Using 802.1Q

    • C. 

      Using the proprietary ISL protocol

    • D. 

      Voice VLAN information must be statically entered on the Cisco IP phone.

  • 47. 
    Which DHCP option provides the IP address of a TFTP server to a Cisco IP phone?
    • A. 

      Option 10

    • B. 

      Option 15

    • C. 

      Option 150

    • D. 

      Option 290

  • 48. 
    Which of the following NTP stratum numbers would be considered the best?
    • A. 

      Stratum 0

    • B. 

      Stratum 1

    • C. 

      Stratum 2

    • D. 

      Stratum 3

  • 49. 
    Which of the following protocols could be used for Cisco IP phone registration?
    • A. 

      SCCP

    • B. 

      SIP

    • C. 

      DHCP

    • D. 

      H.323

  • 50. 
    Which of the following are required steps to create a phone with a functioning line in CME?
    • A. 

      Create a phone (ephone)

    • B. 

      Create an extension (ephone-dn)

    • C. 

      Associate the extension with the phone

    • D. 

      Autoregister the phone 

  • 51. 
    Which of the following is not an area you can use QoS to manage?
    • A. 

      Packet jitter

    • B. 

      Variable delay

    • C. 

      Fixed delay

    • D. 

      Router queuing

  • 52. 
    Which of the following is not necessary to configure the CME router to support CCP?
    • A. 

      Enabling write operations to the router's flash

    • B. 

      Creating a privilege level 15 user account

    • C. 

      Enabling HTTP services on the router

    • D. 

      Configuring Telnet or SSH for local logins

  • 53. 
    Harry is building a 9971 phone in CME. He is explaining some of the differences between the SIP configuration he is creating and the SCCP configuration built for a 7970. Which of the following would be an accurate statement by Harry?
    • A. 

      An ephone-dn is assigned to a SIP ephone

    • B. 

      A voice register dn is assigned to a sip ephone

    • C. 

      A voice register dn is assigned to a SIP voice register global

    • D. 

      A voice register dn is assigned to a SIP voice register pool

  • 54. 
    Which two methods will allow CCP to connect to the CME router?
    • A. 

      Connect the PC's network card to the Console port of the router and set it to obtain an IP address automatically.

    • B. 

      Copy the default configuration file to NVRAM, set your PC to obtain an IP address automatically, and reload your 2921 model router.

    • C. 

      Erase the startup-config file in NVRAM, set your PC to obtain an IP address automatically, and reload the router.

    • D. 

      Copy the default configuration file to NVRAM, give your PC a static IP address of 10.1.1.2/24, and reload the router.

    • E. 

      Copy the default configuration file to NVRAM, set your PC to obtain an IP address automatically, and reload your 1912 model router

  • 55. 
    Which of the following commands are required to enable CCP to configure the CME router?
    • A. 

      Ip http secure-server

    • B. 

      Ip http server

    • C. 

      Username username privilege 15 password password

    • D. 

      Aaa authentication login default group radius

    • E. 

      Line vty 0 15

    • F. 

      Login local

  • 56. 
    What does the command ' web admin system name username password password' do?
    • A. 

      Identifies a web GUI configuration profile tag 

    • B. 

      Defines the system administrator user for CME

    • C. 

      Defines the customer administrator for CME

    • D. 

      Enables the router web server for the specified user.

  • 57. 
    What type of archive can you download from Cisco to reinstall all support files for the integrated GUI back into the router flash?
    • A. 

      .TAR

    • B. 

      .ZIP

    • C. 

      .GZ

    • D. 

      .RAR

  • 58. 
    Which command authenticates GUI users against entries in the running configuration?
    • A. 

      Ip http authentication local

    • B. 

      Ip authentication aaa

    • C. 

      Web-service local-auth

    • D. 

      Aaa new-model http

  • 59. 
    Which version of CCP installs into the flash of a Cisco router?
    • A. 

      There is only one CCP version, which cannot install into the router flash

    • B. 

      CCP integrates with the SDM utility in the router's flash.

    • C. 

      CCP Lite.

    • D. 

      CCP Express.

  • 60. 
    Which of the following best describes a community in CCP?
    • A. 

      A group of users managed by a single administrator

    • B. 

      A group of up to 10 devices enabled for CCP configuration

    • C. 

      A group of up to 5 devices enabled for CCP configuration

    • D. 

      A group of similar devices that share a common configuration

  • 61. 
    Which command activates the router's web server?
    • A. 

      Http server enable

    • B. 

      Forward-protocol http

    • C. 

      Www webedit

    • D. 

      Ip http server

  • 62. 
    How does the communication change by selecting the Connect Securely check box when adding a device to a CCP community?
    • A. 

      You are prompted for the router's enable secret password rather than the VTY line password.

    • B. 

      Only level 15 user accounts are permitted to access the device.

    • C. 

      CCP uses HTTPS/SSH to connect to the device.

    • D. 

      CCP permits only communication over an IPSec managed connection.

  • 63. 
    CME provides three user access levels. What are they?
    • A. 

      Remote user

    • B. 

      System Administrator

    • C. 

      Privileged user

    • D. 

      End User

    • E. 

      Customer administrator

  • 64. 
    Which of the following are capabilities of the CCP GUI?
    • A. 

      Dynamic Routing configuration

    • B. 

      VPN Configuration

    • C. 

      Unified communications configuration

    • D. 

      Access list configuration