Free Test Questions

• Free IIUC CCNA Voice Questions

  Written by David Bombal

  Here are questions to test your knowledge of CCNA Voice IIUC topics. These are updated on a regular basis, so keep checking to see more.

  
  
  What are the three VTP modes on Cisco switches?
  A) Master

  B) Client

  C) Backup

  D) Server

  E) Transparent

  F) Primary

  Answer:

  B, D, E – The three VTP modes are: client, server and transparent

  
  
  Which of the following is selected first for an incoming dial peer?
  A) Answer-address

  B) incoming called-number

  C) destination-pattern

  D) pots port

  E) dial-peer 0

  Answer:

  B – incoming called-number is the first choice when matching incoming dial-peers
  What is the default VTP mode on Cisco switches?
  A) Master

  B) Client

  C) Backup

  D) Server

  E) Transparent

  F) Primary

  Answer:

  D – The default VTP mode is server

  
  
  An analog telephone is connected to a _______ port on a router?
  A) FXO

  B) E1

  C) T1

  D) FXS

  E) E&M

  F) CAS

  G) CCS

  Answer:

  D – Analog devices are connected to FXS ports on Cisco routers.

  
  
  What is required to convert a G711ulaw call to G729?
  A) Voice Termination resources

  B) Conferencing resources

  C) Converter resources

  D) Transcoding resources

  E) Gateway resources

  F) Gatekeeper resources

  
  

  Answer:

  D – Transcoding resources are required to convert G711ulaw to G729.

  
  
  What is the maximum number of phones are supported on Call Manager Express?
  A) 48

  B) 28

  C) 240

  D) 500

  E) 30000

  F) 4

  
  

  Answer:

  C – the maximum number of phones supported on CME is 240 on a 3845 Cisco router (this has changed recently to 250, but the CCNA Voice course still sets this value at 240)

  
  
  What protocol needs to be enabled on an ATA if a fax machine is connected to the ATA?
  A) MGCP

  B) SCCP

  C) H323

  D) SIP

  E) QSIG

  F) Q931

  
  

  Answer:

  C – H323 needs to be enabled on the ATA if a fax machine is connected to the ATA.

  
  

  
  
  What protocol needs to be enabled on an ATA if an analog telephone is connected to the ATA?
  A) MGCP

  B) SCCP

  C) H323

  D) SIP

  E) QSIG

  F) Q931

  
  

  Answer:

  B – SCCP needs to be enabled on the ATA if an analog telephone is connected to the ATA.

  
  
  What device enables Call Admission Control in a CME environment?
  A) Gateway

  B) Transcoder

  C) Bridge

  D) Gatekeeper

  E) Dial peers

  F) Endpoint

  
  

  Answer:

  D – A Gatekeeper is used for Call Admission Control in a CME environment when using H323.

  
  

  
  
  Which protocol provides VoiP packet sequence numbering?
  A) IP

  B) TCP

  C) UDP

  D) RTP

  E) RTCP

  F) G711

  
  

  Answer:

  D – RTP provides sequence numbering for VoIP packets

  
  

  
  
  Which codec is less processor intensive?
  A) G729

  B) G729a

  
  

  Answer:

  B – G729a is less processor intensive than g729