In the LAN, ( )protocol dynamically assign IP addresses to hosts.
A. DNS
B. ARP
C. DHCP
D. IP
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In the Ethernet frame structure, the CRC field is ( )bytes.
A. 2
B. 4
C. 8
D. 32
In the Ethernet frame structure, the Data field carries the ( ).
A. IP datagram
B. segment
C. frame
D. message
In the following four descriptions, which one is not correct? ( )
A. Ethernet uses baseband transmission.
B. All of the Ethernet technologies provide connection-oriented reliable service to the network layer.
C. The Ethernet 10Base2 technology uses a thin coaxial cable for the bus.
D. The Ethernet 10BaseT technology uses a star topology.
Ethernet’s multiple access protocol is ( ).
A. CDMA
B. CSMA/CD
C. slotted ALOHA
D. token-passing protocol