多项选择题 You are a technician at TestKing. Your newly appointed TestKing trainee is setting up a new frame relay connection to a remote branch and wants to know what the valid options for frame relay LMI types are.What would your reply be?（）

单项选择题 A Cisco router has been configured with the following command:IP nat pool nat-test 192.168.6.10 192.168.6.20 netmask 255.255.255.0his is an example of what type of NAT?（）

单项选择题 TestKing has 25 computers and decides to connect the network to the Internet.TestKing would like for all of the computers to have access to the Internet at the same time, but TestKing only has four usable publicly routable IP addresses.What should be configured on the router so that all computers can connect to the Internet simultaneously?（）