LAN LAN WAN WAN WAN WAN UTP Non-shielded Twisted Pair STP Shielded Twisted Pairs ATM Asynchronous Transfer Mode FDDI Fiber Distributed Data Interface CSMA / CD Carrier Saard Multi-Road Access Method: O Msau Multi Station Access Unit ATM Other Transfer Mode PVC Permanent virtual circuit HUB hub PSTN public exchange telephone network ISDN integrated business Digital network ADSL asymmetric digital user line Bridge bridge Switch switch Router Gateway gateway VPN Virtual private network PRI main numerical interface BRI Basic Number Interface MAC Media Access control OSI Open System Interconnect TCP / IP Transmission Control Protocol / Internet Protocol IPX / SPX Internet Packet Exchange / Series Packet Exchange FTP File Transfer Protocol SMTP Simple Mail Transfer Protocol TCP Transport Protocol IP Internet Protocol AppleTalk Route Protocol Group IRDA Infrared Data Protocol SLIP Serial Line Online Protocol PPP Point to Point Protocol PPTP Click Tunnel Protocol L2TP Layer 2 Tunnel Protocol IPSec Internet Protocol Security NetBEUI NetBIOS Enhanced User Interface HTTP Hypertext Transfer Protocol UDP User Packet Protocol ARP Address Resolution Protocol ICMP Internet Control News Wen protocol IGMP Internet Group Management Protocol DNS Domain Name System WINS Windows Internet Name Service UDP User Data News Protocol CRC Cycle Redundant Code Check DHCP Dynamic Host Configuration Protocol APIPA Automatic Private IP Address CIDR Uniform Internal Routing URL Uniform Resource Locator NAT Network Address Translator IANA Internet Assignment Data Organization WWW Way NCSA National Computer Security Association ITSEC Information Technology Security Evaluation Standard CSE Communication Security Agency OUS Contents Forest Organization Unit PKI Public Key Infrastructure ACE Access Control Encryption EFS Encrypted File System S / MIME Safe Multi-objective email extended TLS transport layer security PAP password authentication protocol GPO Group Policy object
