PING and TRACERT on to say, the right is ().

In the PPP protocol, you need three-way handshake authentication protocol, it is only transmitted on the network without sending the user name is password authentication protocol

The output information of a switch is as follows. Which of the following statement is correct? (Multiple choice)

On a frame relay network, a static MAP has been configured on an interface. If you continue to configure the fr inarp command, the interface will send an Inverse.
The ARP request packet is sent to the peer and the static MAP record is overwritten.

As shown in the figure, after the network administrator finishes Telnet configuration on the router, it finds that the host cannot establish a connection with the router through Telnet.
Which options can help solve this problem? (multiple choice)