Defination:

Subnet mask

OSI layers (this is a big one) know the layers, their purpose, encapsulation, addressing

Bandwidth vs throughput

UTP cable types and their purposes

Data link sublayers and what they do

Functions of a switch

Cut-through switching

Store-and-forward switching

IP vs. MAC addressing from device to device

NVRAM

IP addressing & default gateway

ANDing

Private address ranges

IPv6 link local address range

Ping vs. tracert

Subnetting (big one)

# of networks, # of hosts

VLSM (concept and process)

TCP vs. UDP

Windowing (also called sliding window)

Protocols (know what they are, port#, & which layer)

Peer-to-peer operation

HTTP messages

Network packet captures

Device security commands

Logical vs physical topology

Media types

Parts of routing table and how it functions

Commands to configure an interface (including prompts):

Reliability: