HCIA v.3.5 _ Network_Cloud_Services

Question 1

If the ______function is enabled on the gateway, the device translates the IP address and port number in the header of the received packet to another IP address and port number, and then forwards the packet to the public network. In this process, the device can use the same public IP address to translate the packets sent by multiple private network users and distinguish different private network users by port number. In this way, the address reuse is achieved.

Answer 1

NAT

Question 2

_______ translates private IP addresses into EIPs

Answer 2

SNAT

Question 3

________enables servers in a VPC to share an EIP to provide services accessible from the Internet through IP address mapping or port mapping.

Answer 3

DNAT