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Terms you’ll need to understand:
| ✓ | Network Address Translation (NAT) |
| ✓ | ROUTE |
| ✓ | Virtual private network (VPN) |
| ✓ | Local area network (LAN) |
| ✓ | Wide area network (WAN) |
| ✓ | Virtual local area network (VLAN) |
| ✓ | Routing and Remote Access Service (RRAS) |
| ✓ | Routing Information Protocol (RIP) versions 1 and 2 |
| ✓ | Open Shortest Path First (OSPF) |
| ✓ | Classless Inter-Domain Routing (CIDR) |
| ✓ | Variable Length Subnet Masks (VLSM) |
| ✓ | Denial of Service (DoS) |
| ✓ | Broadcast (broadcasting) |
| ✓ | Broadcast domain |
| ✓ | Collision domain |
| ✓ | Collision |
| ✓ | Half duplex |
| ✓ | Full duplex |
| ✓ | Carrier Sense Multiple Access with Collision Detection (CSMA/CD) |
| ✓ | Multicast (multicasting) |
| ✓ | Unicast (Unicast messaging) |
| ✓ | Router |
| ✓ | Switch |
| ✓ | Hub |
| ✓ | Internet Group Management Protocol (IGMP) |
| ✓ | Internet Control Message Protocol (ICMP) |
| ✓ | Asynchronous Transfer Mode (ATM) |
| ✓ | Internet Connection Sharing (ICS) |
| ✓ | Internet Connection Firewall (ICF) |
| ✓ | DHCP Relay Agent |
| ✓ | Point-to-Point Protocol (PPP) |
| ✓ | Point-to-Point Tunneling Protocol (PPTP) |
| ✓ | Microsoft Point to Point Encryption (MPPE) |
| ✓ | IP Security (IPSec) |
| ✓ | Layer Two Tunneling Protocol (L2TP) |