920-804 exam become hot exam now,you can get information about this exam,if you need other kinds of IT exam certification,you can also get material from this post,It had two ways to get it.you can login the pass4sure or click our blogroll on the right side.

1.Given the following network information:
An administrator of a small VoIP network is using H.323 as a messaging protocol.
The network equipment supports H.323 version 2.
Over time, the administrator observes latency on call-establishment between terminal devices.
Over time, an end-users reports that that poor voice quality has increased.
A sniffer is placed on the network to monitor traffic between terminals and gatekeepers at various sites.
Sniffer results indicate that latency and voice quality issues are due to scaling issues with H.323 and its usage of messaging on call setup.
What is the quickest and the most cost effective action the administrator can take to help ease these issues?
A: Implement ast Start?H.323. Implement ?ast Start?H.323.
B: Split up the terminals between LANs.
C: Add additional VoIP gateways to the network.
D: Migrate the network to Session Initiation Protocol (SIP).
Correct Answers:  A
2.A customer’s network is using a Meridian Customer Defined Network (MCDN).  The network consists of three nodes. By design, when node A calls node B and the call is re-routed to node C, a direct connection is established between node A and node C. Which protocol ensures that calls are handled this way?
A: Automatic Trunk Utilization
B: Trunk Anti-Tromboning (TAT)
C: Trunk Route Optimization (TRO)
D: Basic Automatic Route Selection (BARS)

Correct Answers:  C