Network+

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Classless Internetwork Domain Routing (CIDR)


CNAME record


connectionless


datagrams


destination port number 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)



Be able to recognize the different protocols within TCP/IP and be able to define the purpose and function of protocols within TCP/IP. The


TCP/IP stack is made up of several protocols, which each perform such functions as protocol transport, file access, file transfer, and mail transfer. Some of these protocols include TCP, SMTP, IP, NNTP, HTTP, and FTP.


Be able to define the function of common TCP and UDP ports. You


should know how to coordinate protocol name and function with port number. (Refer to Table 3.1 for specific examples.)


Know how to identify IP addresses (IP v4, IPv6) and their default subnet masks. IPv4 = xxx.xxx.xxx.xxx where xxx is a number from 0 to 255, the default subnet mask is 255.0.0.0 for a Class A address (IP range is


0.x.x.x to 126.x.x.x), 255.255.0.0 for a Class B (IP range is 128.x.x.x to 191), and 255.255.255.0 for a Class C (192.x.x.x to 223.x.x.x).

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