Free Cisco 642-437 Exam Dumps Questions & Answers

Which four Cisco IOS commands are required to configure a DHCP server on a voice gateway to support a voice subnet so that both IP addresses and the IP address of the TFTP server are provided? The voice subnet has an address of 10.1.130.0/24, the default gateway is 10.1.130.1/24, and the TFTP server is located at 10.1.5.2. (Choose four.)

• A.ip dhcp pool voice
• B.network 10.1.130.0 255.255.255.0
• C.option 150 ip 10.1.5.2
• D.option 150 10.1.5.2
• E.default-gw 10.1.130.1
• F.subnet 10.1.130.1/24
• G.default-router 10.1.130.1
• H.dhcp pool voice

Which two statements are true regarding SCCP? (Choose two.)

• A.Endpoints and gateways maintain the dial plan.
• B.SCCP uses hex messages for communication.
• C.Endpoints can operate autonomously if communication with Cisco Unified Communications Manager is lost.
• D.SCCP may interoperate with H.323 endpoints if it is implemented with Cisco Unified Communications Manager.
• E.SCCP requires each endpoint or gateway event to be communicated to Cisco Unified Communications Manager.

DRAG DROP
Drag the appropriate IOS command from the left and drop them in the spaces on the right in order to configure Cisco Unified Border Element. The ITSP does not support early offer. Not all boxes are used.

Correct Answer:

Cisco 642-437 Exam
Explanation:
Voice Service Voip Allow-Connections sip to h323 Allow-Connections h323 to sip H323 Call Start Interwork SIP
Configuring an IP IP Gateway: Call direction and translation section voice service voip - Enters VoIP voice-service configuration mode allow-connections from-type to to-type - Allows connections between specific types of endpoints in an Cisco Unified Border Element. Arguments are as follows:
from-type - Type of connection. Valid values: h323, sip.
to-type - Type of connection. Valid values: h323, sip.
Main protocol section h323 call start interwork - Enables slow-start to fast-start interworking sip
http://www.cisco.com/en/US/docs/ios/voice/cube/configuration/guide/vb-gw-config.html
Cisco 642-437 Exam

What are the two major types of VoIP gateways?

• A.CAS and CCS
• B.analog and digital
• C.FXO and FXS
• D.E and M

When Cisco Unified Border Element is configured to support RSVP-based CAC, at which point during call setup are the RSVP path and reservation messages sent and received?

• A.The path and reservation messages are sent and received immediately after the call setup message is received.
• B.The path and reservation messages are sent and received after the H.245 capabilities negotiation is completed.
• C.The path message is sent immediately after the call setup message is received and the reservation message is received after H.245 capabilities negotiation is completed.
• D.The reservation message is sent immediately after the call setup message is received and the path message is received after H.225 call setup messages have been sent.