The main link of the WAN of a company's MSR router is a synchronous and asynchronous serial port, which is connected to the operator's network through a V.35 cable; the router also uses an ISDN BRI interface as a backup link.
Regarding the line bandwidth, which of the following statements are correct? (multiple choice)
The basic process of Layer 2 forwarding of an Ethernet switch includes ______.
Divide a class C network into subnets. If all 0 and all 1 subnets are not valid subnets, then use a 26-bit mask to subnet the network. The number of effective subnets that can be divided is ______. (Please fill in Arabic numerals)
Which of the following routing protocols only cares about the distance and direction to the destination network segment? (multiple choice)
On the MSR router, the configuration file is a file saved in ______ format.
