300-820 Expressway Practice Questions

Which describes what could done on the Expressway-E to successfully route calls from Expressway-C on the internal network to the Internet?

• AA. Application layer gateway could be enabled to bridge the media traffic.
• BB. A static NAT route could be added to the firewall to bridge the two networks.
• CC. The Expressway-E could be enabled for Dual-NIC capability.
• DD. The Expressway-E could be enabled for interworking.

Which media encryption mode can be configured on an Expressway zone?

• AA. Advanced Encryption Standard
• BB. IPsec
• CC. Triple Data Encryption Standard
• DD. force unencrypted

What is the purpose of a transform in the Expressway server?

• AA. A transform has the function as a neighbor zone in the Expressway. It creates a connection with another server.
• BB. A transform changes the audio codec when the call goes through the Expressway.
• CC. A transform is used to route calls to a destination.
• DD. A transform changes an alias that matches certain criteria into another alias.

An Expressway-E is configured using a single NIC with NAT. How must the Expressway-C traversal client zone be configured to connect to the Expressway-E?

• AA. TLS verify must be enabled.
• BB. The zone profile must be set to default.
• CC. The peer address must be the Expressway-E NAT address.
• DD. The peer address must be the Expressway-E LAN 1 IP address.