| A | B |
|---|
| RAM/DRAM | Stores routing tables, ARP cache, fast-switching cache, packet buffering |
| RAM | temporary and/or running memory for a router's configuration file while the router is on |
| RAM | content is lost during a power down or restart |
| NVRAM | stores the router's backup/startup configuration-retained during power down |
| Flash | erasable, reprogrammable ROM |
| Flash | holds the operating system image |
| ROM | contains power-on-diagnostics, a bootstrap program, and operating system software |
| interfaces | network connections on the motherboard, modules through which packets enter and exit a router |
| user EXEC mode | a look only mode in which the user can view information about the router |
| user EXEC mode | Paris> |
| privileged EXEC mode | mode that supports the debugging and testing commands, detailed examination of the router |
| privileged EXEC mode | manipulation of configuration files, access to configuration modes |
| privileged EXEC mode | London# |
| setup mode | this mode presents an interactive prompted dialog at the console that helps the new user create a first-time basic configuration |
| global configuration mode | this mode implements powerful one-line commands that perform simple configuration tasks |
| global configuration mode | NewYork (config)# |
| RXBOOT | this is a maintenance mode that you can use to recover from lost passwords |
| enable | command use to go from user EXEC mode to privileged EXCE mode |
| Virtual terminal | telnet |
| Auxilary Port | external configuration source used with a moden |
| Console Terminal | used to connect router to PC |
| TFTP server | used to store a backup copy of the router configuration file other than on the router |
| interface configuration mode | London(config-if)# |
