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1. A customer wants to implement VoIP network in their LAN/WAN environment. Following the network assessment, you have to make the appropriate recommendations to address network issues that can cause problems for real-time VoIP traffic. Based on the following, what should be your first recommendation?
A. Use media shared hubs for LAN connection.
B. Change the CODEC selection for LAN devices only.
C. Put call servers, signaling servers and media gateways on one VLAN.
D. Configure all interfaces to eliminate duplex mismatch and set to auto negotiate.
Answer: D
2. You are using Net IQ Chariot on a customer's LAN to complete QoS testing with pre-defined data flow emulation templates. You want to check that the current DiffServ settings will achieve the desired results. Which parameters will provide you with the required information? (Choose two.)
A. transaction rate
B. network throughput
C. precedence settings
D. resource reservation
Answer: AB
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