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Where does a router store its IOS in the long term?

A router stores its IOS (Internetwork Operating System) in non-volatile memory, typically in Flash memory. This allows the IOS to persist even when the router is powered off or restarted. The configuration files, which define how the router operates, can also be stored in NVRAM (Non-Volatile Random Access Memory) or Flash, depending on the setup. This ensures that the router can boot up with the correct operating system and settings.


What is the difference between a router's running configuration and startup?

The startup config is what has been saved to the memory (using write mem) and is used when the router is powered on. You can change the startup config after it has been powered up, this would be the running config. If you power the router off without saving the changes, it would revert to the startup config.


What is one function of the bootstrap program during the router boot process?

loading Cisco IOS software


What is the purpose of the startup configuration file on a Cisco router?

The startup configuration file on a Cisco router contains the configuration settings that are loaded into the router's memory when it boots up. It specifies parameters such as interface settings, routing protocols, access control lists, and other operational settings required for the router to function properly. This file is stored in the router's non-volatile memory (NVRAM), ensuring that the configuration persists even when the router is powered off. Essentially, it serves as the baseline configuration that the router uses to establish its operational state.


How much does cisco router memory have?

Cisco router memory has over 120 gigabytes. That is a lot of memory for a router. This item can be found on either eBay or Amazon for a very cheap price.


Where is memory located on a Cisco router?

Inside the router's chassis.


Which sequence does a router follow during startup?

When a router boots up, it performs a series of steps, called the boot sequence, to test the hardware and load the necessary software.1. The router performs a POST. The POST tests the hardware to verify that all components of the device are operational and present. For example, the POST checks for the different interfaces on the router. The POST is stored in and run from ROM (read-only memory).2. The bootstrap looks for and loads the Cisco IOS software. The bootstrap is a program in ROM that is used to execute programs. The bootstrap program is responsible for finding where each IOS program is located and then loading the file. By default, the IOS software is loaded from flash memory in all Cisco routers.3. The IOS software looks for a valid configuration file stored in NVRAM. This file is called startup-config and is only there if an administrator copies the running-config file into NVRAM.4. If a startup-config file is in NVRAM. the router will load and run this file. The router is now operational. If a startup-config file is not in NVRAM, the router will start the setup-mode configuration upon bootup.


What is the correct flow of routines for a router startup?

• load bootstrap, load IOS, apply configurationsource :http://learn-ccna.net/907-which-of-the-following-is-the-correct-flow-of-routines-for-a-router-startup-907-20091511.html


How is the light bulb powered in a router circuit?

from a tap on a field coil


What is that thing called that brings internet to the whole house?

a Wireless router.


What happens to the ARP cache when a Cisco router is powered off?

Unless there are static ARP mappings, the cache will be cleared when powered off.


Which memory in a Cisco router stores packet buffers and routing tables?

In a Cisco router, the memory that stores packet buffers and routing tables is known as Dynamic Random Access Memory (DRAM). DRAM is used for storing the operational data of the router, including routing information and temporary packet data during processing. In contrast, the router's startup configuration is stored in Non-Volatile Random Access Memory (NVRAM).