JN0-231: Security, AssociateDemo

Question

You are assigned a project to configure SRX Series devices to permit connections to your webservers. The webservers use private IP addresses, and packets must use NAT to be reachable from the Internet. You do not want the webservers to initiate connections to external update servers on the Internet using the same IP address that customers use to access them.

Which two NAT types must be used to complete this project?

Choose two

A static NAT
B hairpin NAT
C destination NAT
D source NAT

Explanation

Destination NAT translates the public destination address used by Internet clients to a webserver’s private address. Source NAT separately translates the source address of webserver-initiated outbound traffic, allowing update-server connections to use a different public address. Static NAT is bidirectional, so it would reverse-map outbound traffic through the same public mapping.

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JN0-231: Security, AssociateDemo

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