Syntax

Semantics

Timing

None of these

Ethernet

Arcnet

Both 1) Ethernet and 2) Arcnet

All of these

X.3

X.21

X.25

X.75

0

1

both (a) and (b)

none of these

A TCP/IP protocol used to dynamically bind a high level IP address to a low level physical hardware address

ATCP/IP high level protocols for transferring files from one machine to another

a protcol used to monitor computers

a protocol that handles error and control messages