Key Terms
59
data frame
packet
Data Link layer
Physical layer
data terminal equipment (DTE)
positive acknowledgment with
retransmission
datagram
Presentation layer
de-encapsulation
Protocol Data Units (PDUs)
distribution layer
reference model
encapsulation
registered jack (RJ) connector
Ethernet
rolled cable
flow control
routed protocols
frame routers
full duplex
Session layer
half duplex
simplex
hierarchy
state transitions
hop count
straight-through cable
hub
switches
Integrated Services Digital
Network (ISDN)
thicknet
layered architecture
thinnet
layers
three-way handshake
Media Access Control (MAC)
address
transparent bridging
media translation
Transport layer
Network layer
tunneling
network segmentation
unshielded twisted-pair (UTP)
nibble
wide area network (WAN)
Open Systems Interconnection
(OSI) reference model
window
organizationally unique identifier
(OUI)
Copyright ©2002 SYBEX, Inc., Alameda, CA
www.sybex.com