A.Group name

B.Routing

C.IP address

D.name

A.The entire discovery phase of PPPoE includes PADI, PADO, PADR, PADS, PADT

B.SESSION-ID identifies the value of a PPPOE session

C.The destination address of PADI is the broadcast address 0xffffffff, and the source address is the Ethernet address of the host

D.PADT can be issued by the PC or BRAS at any time during the discovery phase to terminate the PPPoE dialogue

A.The third point. Connected to the previous /, which means the root directory

B.The second point. Connected to the back /, ./ indicates the current directory

C.The third point. Before profile, the entire .profile is a file name, which means a hidden file

D.The first point. Means execution, same as sh

A.data link layer

B.Transport layer

C.Physical layer

D.Network layer

A.GetRequest

B.PutRequest

C.GetResponse

D.SetRequest