Key Terms

Before you take the exam, be certain you are familiar with the followingterms:

address record	CNAME record
alias record	connectionless
broadcast address	datagrams
checksum	destination port number
Classless Internetwork Domain Routing (CIDR)	domain
Domain Name Service (DNS)	proxy server
dotted decimal	quad decimal
dynamically allocated port	route
firewall	routing
Fully Qualified Domain Name (FQDN)	sequence number
gateways	socket
hop	source port number
IP address	subnet mask
mail exchange (MX) record	subnetting
name resolution	subnetwork address
NetBIOS Extended User Interface (NetBEUI)	supernetting
network basic input/output system (NetBIOS)	TCP/IP (Transmission Control Protocol/Internet Protocol)
octet	Virtual LAN (VLAN)
port	Windows Internet Naming Service (WINS)