Network+ : From Physical Topologies to Protocols and Domains

Network Topology
Bus
Ring
Star
Physical vs. Logical

Cable

Coaxial

RG-5 – Cable service
RG-8 – 10Base5
RG-62 – TV
RG-58 – 10Base2
RG-59 – rare Cable service
STP – usually Token Ring

UTP

10BaseT – see p. 128
100BaseTX
100BaseT4
1000BaseCX
1000BaseSX
1000BaseLX

Fiber Optic

10BaseFL – early fiber optic
100BaseFX

Boxes

Repeater
Bridge
Hub
Switch
Router
MAU or MSAU

IEEE

802.1x – NAC
802.2 – MAC
802.3 – Ethernet
802.5 – Token Ring
802.11 – Wireless

a
b
g
n
MIMO

The Data Link Layer
Logical Link Layer
Media Access Control Layer
Full vs. Half-duplex

Network Protocol Stacks

Lan Manager

Localtalk

NetBEUI/NetBIOS

IPX/SPX

AppleTalk

TCP/IP

SMB/Samba

NFS

Domains and Directories

Workgroups

NT Domains

Active Directory

Network Information System (Yellow Pages)

Novell Directory Services

Red Hat/Sun Directory Services