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Router-Architecture

CCNA Router Architecture

QuestionAnswer
Boot Flash contains... RX Boot
NVRAM contains... Startup Config/Config Reg
DRAM contains... Uncompressed IOS, Running config, buffers, and routing tables.
ROM (Boot ROM) contains the _____ program. ROM Monitor
FLASH contains... IOS Compressed
___ does this. Uses the EEPROM for startup diagram/Rommon and loads IOS. On boot, if no IOS file is present, it will boot into an emergency mode called Rommon. Boot ROM
When the router boots, if no IOS file is present, it will boot into an emergency mode called Rommon, which allows some limited commands to be entered to recover the router and load another IOS. This is know as _____ _____ mode. boot strap
_______ stores router startup configuration and configuration register. NVRAM
The startup config is not erased when the router reloads. Location? NVRAM
________ contains IOS and some configuration files. Flash/PCMCIA
Also known as RAM, it stores full IOS, running configuration, and routing tables. DRAM
_______ system diagnostics and startup. ROM Monitor
The _______ has a very small code in it to check for attached memory and interfaces. ROM Monitor
______ is a mini-IOS, and allows for an upload of full IOS. RxBoot
It is also know as the boot loader and can be used to perform some router maintenance activities. RxBoot
Not strictly a router component, it is stored in NVRAM and pulled into DRAM on boot up. router config
Sets instructions for booting and can perform a password recovery. the Configuration Register
Config Reg: boot and ignore startup config 0x2142
Config Reg: boot normally 0x2102
What command can be issued to see the current config reg? show ver
Boot-up process 1._____ 2.______ 3.________ 1. ROM Monitor 2. RX Boot 3. Cisco IOS.
If the IOS to boot from is too large to fit into flash memory, what can be used to boot from? TFTP server
Which files would you usually find in DRAM? Also known as RAM, it stores full IOS, running configuration, and routing tables.
Where is the compressed IOS held? In Flash memory
You want to boot the router and skip the startup configuration. What configuration register setting do you require? 0x2142
Which command put the running configuration into NVRAM? Router# copy run start
Which command will copy your startup configuration into a network server? Router# copy startup-config tftp
You want to boot your router from a network server holding the IOS. Which command will achieve this? Router(config)# boot system tftp
____ memory is also referred to as EEPROM, and Ciso IO is usually stored here in a compressed form. Flash/PCMCIA
______ is also know as the boot loader and can be used to perform some router maintenance activities. RxBoot
Command to change config register to normal boot process. config-register 0x2102
Created by: avv604
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