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CCNA 640-802 Ch.4
CCNA 640-802 Ch.4 - IOS & SDM
17
Computer Networking
Professional
12/04/2012

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Cards

Term
What are the three ways to connect to a router
Definition
Telnet, Console, Auxiliary
Term
What are the steps when a router boots up
Definition
POST
Loads IOS from flash memory
Loads configuration stored in NVRAM
Term
What do # sounds mean when the router is loading?
Definition
IOS is being loaded into RAM.
Term
What is the command to show command line history
Definition
router#show history
Term
What command is used to show the history size?
Definition
router#show terminal
Term
What is the commmand to set the history length
Definition
router#terminal history <0-256>
Term
What are some things that "Show Version" commands dispalys about the router
Definition
-IOS -How long router has been running
-Hardware information -Configuration Register value.
Term
What does the router#enable last-resort command do?
Definition
Allows you to enter a router if you setup authentication through a TACACS Server and the server is down.
Term
what is the default value for the exec-timeout command
Definition
10 minutes.
Term
What does the "logging Synchronous" command do?
Definition
Allows you to finish a command without messages interrupting your typing.
Term
what are the series of commands to setup SSH
Definition
hostname secure
ip domain-name secure.com
crypto key generate rsa general-keys modulus 1024
ip ssh time-out (secs)
ip ssh authentication-retries 2
line vty 0 0
transport input ssh telnet
Term
What is the command to encrypt all passwords shown with the "show run" command
Definition
router(config)#service password-encryption
Term
What command helps you determine if a serial cable is DCE
Definition
sh controllers s0/0/0
Term
Where is running config stored?
Definition
DRAM
Term
What are the steps to setup a router for SDM
Definition
set IP address on fa0
ip http server
ip http secure-server
ip http authentication local
username cisco privilege 15 password 0 cisco
line con 0
login local
line vty 0 15
login local
privelege level 15
transport input telnet
transport input telnet ssh
Term
What are the two ways a router will enter setup mode?
Definition
when the command "setup" is entered or if there is no startup config in NVRAM during startup
Term
How many simultaneous telnet sessions can a router support by default
Definition
5
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