| A | B |
|---|
| ICMP's | Meassages carried in IP datagrams for error and control |
| Resend | If source does not receive an acknowledgment in windowing |
| TCP/IP | Allows communication among a variety of networks |
| Protocol field in datagram | Determines layer 4 protocol being carried |
| Application | Layer of TCP/IP model that includes file transfer, e-mail, and others |
| Transport | Layer of OSI model for flow control |
| TCP sequence and acknowledgment numbers | Provides sequencing of segments |
| * | Timed out waiting for trace reply |
| Enable communication among networks | TCP/IP protocol stack |
| Trace | Command that locates path failures |
| 32-bit dotted decimal | How IP addresses are written |
| ICMP testing | To determine if meassages reach their destination |
| All nodes on a network | Function of a broadcast address |
| ARP | Maps a known IP address to an unknown MAC address |
| no ip domain-lookup | Command to turn off name-to-address resolution |
| UDP | Protocol found in the Transport layer |
| RARP | To map a known MAC address to an unknow IP address |
| perm | Shows that the entry was manually configured in a static host table |
| ip host NAME ADDRESS | Command to associate a name with an ip address |
| n+1 | Reply to original segment in a 3 way handshake |
| Keeps a cache of mappings | How Cisco software deals with name-to-address mappings |
| port numbers | To keep track of different conversations |
| ip name-server | Command to specify one or more host that supply host name information |
