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broadcast domain
a set of all devices that receive boradcast frames orginting from any device within the set - like devices in same vlan
broadcast frame
an ethernet frame sent to detination address FFFF.FFF.FFF meaning frame should be delivered to all hosts on that LAN
collision domain
set of NICs for which frame sent by on e NIC could collide with frame from other NIC
cut-through switching
internal processing method on some Cisco LAN switches in which frame is forwarded as soon as possible before whole frame is received
\\\"result of LAN switch forwarding process for broadcasts and unknown unicast frames - switches forward these frames out all interfaces - except one it arrived from - switches forward multicasts as well (be default
fragment-free switching
inter process of some Cisco switches - start forwarding after 64th byte - in collision fragments should not occur (following CSMA/CD logic)
every switch port connects to a single device creating a separate collision domain per interface
process of breaking a large piece of data from an app into pieces appropriate in size to be sent through network
spanning tree protocol
\\\"bridge protocol using spanning tree algorithm
store and forward switching
process option for Cisco switches that forwards frame only after entire frame is received
unknown unicast frame
frame where destination MAC is not in address table and so switch must flood frame
virtual lan
group of devices connected to one or more switches with devices grouped in single broadcast domain through switch configuration.
[701] What are the two modes of operation on Cisco IOS devices?
[701] User exec and enable (enable is also called privileged)
[702] What are the three methods of logging in to a Cisco router? What about a Cisco switch?
\\\"[702] Console
[703] What command would you use to set the password for telnet logins?
[703] line vty 0 4
[704] How do you turn off enhanced editing mode?
[704] terminal no editing
[705] What does the configure terminal command do?
\\\"[705] Enter configuration mode
[706] What is the purpose of RAM?
[706] Working storage - the running-config is stored in RAM.
[707] What is the purpose of ROM?
[707] ROM holds the bootstrap code and a default IOS used for troubleshooting/testing.
[708] What is the purpose of NVRAM?
[708] NVRAM holds the startup-config
[709] What is the purpose of Flash memory?
[709] Flash memory holds the full IOS software
[710] What command would you use to update the IOS software from a tftp server?
[710] copy tftp flash
[711] How can you ensure that the running-config and startup-config are identical?
[711] reload
[712] What is the older version of the show running-config command?
[712] write term
[713] What is the older version of the show startup-config command?
[713] show config
[714] What are the limited IOS images stored in ROM called?
[714] rxboot and ROMMON
[715] What is the IOS boot sequence?
[715] 1. Router performs POST 2. The router loads and runs bootstrap code from ROM 3. Router finds the IOS or other software and loads it 4. Router finds the configuration file and loads it into running config
[716] How can you tell a router which IOS version to load at boot?
[716] Either by setting the configuration register or by issuing the boot system command
[717] If the configuration register is set to 0 which IOS is loaded? If it\\\'s set to 1? 2?
\\\"[717] 0 - ROMMON
[718] What parameters will the boot system command accept?
\\\"[718] ROM
[719] What two types of operating systems does Cisco include on its switches?
[719] IOS (Internetwork Operating System) and CAT OS (Catalyst Operating System)
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