managing your router

Card Set Information

Author:
gbird
ID:
189900
Filename:
managing your router
Updated:
2012-12-17 02:21:13
Tags:
managing your router
Folders:

Description:
managing your router
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user gbird on FreezingBlue Flashcards. What would you like to do?


  1. What are the four parts of an IOS naming convention?
    • Platform
    • Feature Set
    • Run Location and Compression
    • Version
  2. What does "I" stand for in the Feature set portion of the IOS naming convension?
    IP
  3. What does "IS" stand for in the Feature set portion of the IOS naming convension?
    IP Plus
  4. What does "J" stand for in the Feature set portion of the IOS naming convension?
    Enterprise
  5. What does "JS" stand for in the Feature set portion of the IOS naming convension?
    Enterprise Plus
  6. What does "JK8S" stand for in the Feature set portion of the IOS naming convension?
    Enterprise Plus with IPSec
  7. What does "D" stand for in the Feature set portion of the IOS naming convension?
    Desktop
  8. What does "F" stand for in the Run Location portion of the IOS naming convension?
    Image runs in flash
  9. What does "M" stand for in the Run Location portion of the IOS naming convension?
    Image runs in RAM
  10. What does "R" stand for in the Run Location portion of the IOS naming convension?
    Image runs in ROM
  11. What does "L" stand for in the Run Location portion of the IOS naming convension?
    Image will be relocated at run time.
  12. What does "Z" stand for in the Compression Identifiers portion of the IOS naming convension?
    Image is Zip compression
  13. What does "X" stand for in the Compression Identifiers portion of the IOS naming convension?
    Image is Mzip compressed
  14. What does "W" stand for in the Compression Identifiers portion of the IOS naming convension?
    Image is Stac compressed
  15. What can you tell me about the IOS file named c7200-js-mz
     an IOS for the 7200 series router, with enterprise plus software, executed in RAM, and is Mzip compressed.
  16. What 3 servers types can be used to backup your router or switch to?
    TFTP, FTP, or RCP
  17. Which server type is the most common server type to backup routers and switches to?
    TFTP
  18. Which mode must you use to backup your router or switch?
    Privilaged EXEC
  19. What is the syntax for the command to backup files?
    copy <from><to>.
  20. What is the command to copy an IOS from your IOS to a TFTP server?
    copy flash tftp.
  21. What is the command to restore or upgrade your IOS from a TFTP server to a router?
    copy tftp flash
  22. What are the troubleshooting steps if you are having difficulties using TFTP:
    • Verify that the TFTP server is running.
    • Verify cable configurations. You should use a crossover cable between a router and a server or, if you have a switch, use a straight-through cable from the router to the switch and from the switch to the server.
    • Verify that your router is on the same subnet as your TFTP server or has a means to route to it some how.
  23. What command do you use to Back up your running configuration?
    copy running-config startup-config.
  24. What command would you use to backup your startup-config file to a TFTP server?
    copy startup-config tftp
  25. What command would you use to restore your configuration from a TFTP server?
    copy tftp startup-config.
  26. What command would you use to merge a configuration file on a TFTP server with your current configuration?
    copy tftp running-config
  27. What four application layer protocols can you use to remote to and troubleshoot promblems on a remote router?
    • Telnet
    • Secure Shell (SSH)
    • CDP
    • ICMP
  28. What commands do you use to allow telnet sessions on a router?
    • enable secret (specify a password here)
    • line vty 0 4
    • login
    • password (type the password here)
  29. What command do you use to close out of an active telnet session?
    exit
  30. How do you suspend a telnet session?
    • Ctrl, Shift, 6
    • then press x
  31. What command do you use to view suspended telnet sessions?
    show sessions
  32. What symbol is used in the show sessions command to point out your last telnet session used?
    an asterisk
  33. How can you access the last suspended telnet session that you were using?
    from the show sessions command, press enter or by typing resume without specifying a session number
  34. What command would you use to resume a suspended telnet session other than the most previous session?
    Typing resume followed by the session associated number
  35. When using SSH, what command switch do you use to specify the version of telnet you wish to use?
    -v then version 1 or 2
  36. What optional SSH command switch can you use to specify an encryption type?
    -c {3des, aes128-cbc, aes192-cbc, aes256-cbc}
  37. What SSH command switch can you use to specify a username for the remote router?
    -l (username)
  38. What SSH command switch can you use to specify a hashing algorithm to use when sending your password?
    -m {hmac-md5, hmac-md5-96, hmac-sha1, hmac-sha1-96}
  39. Which terminal application is the prefered appliction to use and why?
    SSH it is more secure
  40. What is 3DES?
    triple data encryption, encrypted communication algorithm used by SSH
  41. What is AES?
    Advanced Encryption Standard used by SSH
  42. What is MD5?
    Message Digest 5 is used to encrypt password transmission for authentication when using SSH.
  43. What is SHA1?
    Secure hash algorithm 1, used to encrypt password communcation during authentication of SSH
  44. What command is used to initiate an SSH connection with a remote router?
    ssh
  45. What layer 2 Cisco specific protocol can you use to discovor details about neighboring routers?
    CDP
  46. What command do you use to view CDP info for neighboring routers?
    show cdp neighbors
  47. How often does CDP send out refreshments?
    every 60 seconds
  48. How often will CDP flushout and neighbors it does not receive a response from?
    180 seconds
  49. What command can you use to manipulate flush out time for CDP?
    cdp timers
  50. What commands can you use to view the IP address info for a remote router?
    • show cdp entry
    • show cdp neighbors detail
  51. Which 2 programs use ICMP?
    • ping
    • traceroute
  52. What are the 2 messages used by ping?
    • echo request
    • echo reply
  53. What ping error message will you receive when the specified ip address is not reachable?
    destination host unreachable
  54. What ping error message will you receive when the firewall or access-list is blocking ICMP?
    ICMP Type 3/Code 13 DestinationUnreachable:Administratively Prohibited
  55. What character is used to signify unanswered ping requests?
    U
  56. What character specifies a successful ping reply?
    !
  57. What character is used to signify a timed out ping requests?
    a period
  58. What command do you use to initiate an extended ping?
    ping, press eneter without an ip address then answer the questions.
  59. What command do you use to locate a suspected router outage along a path when you are unsure of which router is failing?
    traceroute
  60. What is the message sent by traceroute called?
    TTL, Time to Live
  61. What is the max amount of TTL that is allowed using traceroute before the packet is dropped?
    30

What would you like to do?

Home > Flashcards > Print Preview