1.You are working with a potential customer that would like to integrate its existing PBX telephone system into its IP network. The accompanying figure shows that the customer has two offices that need to be connected to the IP network so that the customer can exchange telephone calls without using the PSTN. Both PBXs are currently connected to T1 ISDN circuits. Which signaling type will allow you to support your customer?
A.QSIG
B.CCS
C.CAS
D.T-CCS
E.E&M
F.FXO
Correct:C

Cisco Voice Over IP

2.You are meeting with a customer that has deployed IP telephony at their headquarters location. They would like to roll out IP telephony to their regional office as well. They are now using the G.711 codec at headquarters. They want to be able to maximize the number of calls carried without impacting voice quality or forcing a WAN upgrade. Which codec would be appropriate for their WAN?
A.G.726
B.G.723.1
C.G.711
D.G.729B
Correct:D

3.Refer to the exhibit. Users are not able to complete a call from 678-555-1212 to 770-555-1111. What is the correct diagnosis for the problem?
A.incorrect dial-peer statement in Router 1
B.incorrect port statement in Router 1 pots dial peer
C.incorrect session-target statement in Router 2
D.incorrect destination-pattern in Router 1
Correct:D

4.You have been forwarded some questions by a prospective VoIP customer who would like to know the Cisco default sample size for the G.729 codec. What is it?
A.40 ms
B.30 ms
C.20 ms
D.10 ms
Correct:C

5.Examine the example output. Hostname GW1 ! Interface Ethernet 0/0 ip address 172.16.2.1 255.255.255.0 h323-gateway voip interface h323-gateway voip id GK1-zone1.abc.com abc.com ipaddr 172.16.2.2 h323-gateway voip h323-id GW1 h323-gateway voip bind srcaddr 172.16.2.1 ! Dial-peer voice 1 voip destination-pattern 1212. session-target ras ! Dial-peer voice 2 pots destination-pattern 2125551212 no register e164 ! End Choose the command that will restore communication with gatekeeper functionality to this device.
A.h323-gateway voip h323-id GK1
B.gateway
C.h323-gateway voip bind srcaddr 172.16.2.2
D.h323-gateway voip GW1-zone2.abc.com abc.com ipaddr 172.16.2.1
Correct:B