A.54Kbps

B.1200Mbps

C.300Mbps

D.150Mbps

A.The router works at the network layer

B.The router works at the physical layer

C.The switch works at the physical layer

D.The switch works at the network layer

A.Image Data Request

B.Image package Request

C.Software Request

D.VRP System Request

A.Application layer

B.Data link layer

C.Network layer

D.Transport layer

A.Any link layer protocol requires ARP messages to assist in obtaining data link layer identification

B.ARP packets cannot be forwarded to other broadcast domains

C.ARP request message is sent by broadcast

D.ARP reply packets are sent unicast