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60 Cards in this Set
- Front
- Back
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STAT mode, Switch port LED is flashing amber
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The port is blocked by spanning tree
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STAT mode, Switch port LED is solid green
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The link is working, but there's no current traffic
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3 cabling options for a console connection
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Serial/RJ-45 Console, USB/RJ-45 Console, USB/USB Console
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Type of the cable which connects to RJ-45 console
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Rollover cable
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Serial Port name on the PC side of console connection
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DB-9
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Console Configuration: Data Rate/ Hardware Flow Control/ Data Bits/ Parity/ Stop Bits
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9600 bits per second/ No Hardware Flow Control/ 8-bits ASCII/ No Parity Bits/ 1 Stop Bit
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How does Telnet send all data
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as clear-text data
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Which messagaes does SSH encrypt?
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All messages, including the passwords
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Line (console and vty) configuration mode. Tells IOS to prompt for a password (no username)
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login
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How many concurrent Telnet sessions does a switch support?
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16, line vty 0 15
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This mode allows you to look arround but not to break anything.
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user mode (user EXEC mode)
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Other names of "enable" mode
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privileged mode, privileged EXEC mode
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"reload" command can only be executed in --- mode |
enable |
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Navigating from user mode to enable mode
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enable (command)
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Navigating from enable mode to user mode |
disable |
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Hostname followed by ">"
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user mode
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Hostname followed by "#"
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enable mode
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By pressing Tab key midword CLI does nothing! It means that…
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There are more than one possible next parameter
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Is it needed to press Enter key after the "?" |
No |
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How many commands are stored in Cisco IOS history buffer by default?
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10
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Keyboard command to redisplay the command line with all characters. (useful when messages clutter the screen)
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Ctrl-R
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Keyboard command to interrupt the current command
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Ctrl-Shift-6
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The --- commands ask the switch to continue monitoring different processes in the switch
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debug
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The --- commands list messages about the current status and send to the user
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show
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IOS sends output of --- commands to the user that issued the command and to no other user |
show |
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IOS creats log messages related to the --- command's options and any user logged in can view them
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debug
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The command used to view debug log messages / which mode?
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terminal monitor / enable mode
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The command used to check current CPU utilization
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show process
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Ctl-Z = ?
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end
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Navigating from enable mode to configuration mode
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configure terminal
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Navigating from configuration mode to enable mode
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end or Ctl-Z
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4 Common Switch Configuration Modes
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Global, Line, Interface, VLAN
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Prompt for Global Configuration : hostname(?)#
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(config)
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Context-Setting command(s) to reach Global Configuration mode
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None- first mode after configure terminal
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Prompt for Line Configuration : hostname(?)#
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(config-line)
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Context-Setting command(s) to reach Line Configuration mode
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line console 0 / line vty 0 15
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Prompt for Interface Configuration : hostname(?)#
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(config-if)
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Context-Setting command(s) to reach Interface Configuration mode
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interface type number
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Prompt for VLAN Configuration : hostname(?)#
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(vlan)
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Context-Setting command(s) to reach VLAN Configuration mode
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vlan number
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Navigating from configuration submodes to Global Configuration mode
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exit
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Stores running (active) configuration
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RAM
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Stores Bootstrap Proram
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ROM
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Stores fully functional Cisco IOS
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Flash Memory
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Stores initial (startup) configuration
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NVRAM
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Stores any other files including backup copies of configuration files
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Flash Memory
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The program which finds the full Cisco IOS image and manages to load it into RAM
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Bootstrap
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Will copy command replace/merge the existing file when the file is copied into NVRAM?
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Replace
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Will copy command replace/merge the existing file when the file is copied into TFTP Server?
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Replace
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Will copy command replace/merge the existing file when the file is copied into RAM?
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Merge
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One guaranteed way to revert (running-config) back to startup-config!
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reload
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Three commands for erasing NVRAM
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write erase, erase startup-config, erase nvram
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How to erase contents of running-config?
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1.erase the startup-config file 2.reload the switch
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2 enable mode EXEC commands to disable all currently enabled debugs |
no debug all, undebug all |
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EXEC command that disconnects the user from the CLI session |
quit |
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Commands that can be used either in user (EXEC) mode or enable (EXEC) mode |
EXEC commands |
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How to place the user in enable mode from console line configuration? |
end command or Ctrl-Z key sequence |
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What does a field all in capital letters mean in help menu? (i.e. MONTH)
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A variable, we should type sth there (i.e. Feb)
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Keyboard command to move directly to the end of current command
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Ctrl-E
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Keyboard command to move directly to the first character of current command
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Ctrl-A
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