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Introduction To The Cisco IOS

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Async interface
What layer of the OSI model would you assume the problem is in if you type show interface serial 1 and receive: Serial1 is a down - line protocol is down
Router#sh ip interface (brief)
Router(config)#interface Async
Router#config t

2. Config t - int e0 - no shut
Which of the following commands will configure all the default VTY ports on a router?
Router#copy
show inter et 0 and notice the port is administratively down
Atlanta#sh start

3. Router(config)#line vty 0 4
Router(config)#banner motd
Which of the following commands will configure all the default VTY ports on a router?
Router#sh int ethernet0
Router(config)#interface Virtual-TokenRing

4. Configure fastethernet slot0/port0
Router#copy
Router(config)#int fa 0/0
configure memory (config mem)
You need to find the broadcast address used on a LAN on your router. What command will you type into the router from user mode to find the broadcast address?

5. Show info for ethernet0
Which of the following commands will configure all the default VTY ports on a router?
Router#sh int ethernet0
Bandwidth
configure memory (config mem)

6. Multilink-group interface
Router#login
Router(config)#interface Async
Router(config)#interface Multilink
Router(config)#interface FastEthernet

7. Copy start run doesn't replace the configuration - it appends it. To completely replace the running-config with the startup-config - you must reload the router.
Cisco IOS
You need to find the broadcast address used on a LAN on your router. What command will you type into the router from user mode to find the broadcast address?
Router(config)#enable last-resort
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?

8. Multiple commands that begin with the string you entered and it's not unique - use the '?'
Router>
% Ambiguous command:
Router(config)#line <0-70>
view the config

9. Shows last command entered
Router(config)#banner login
Up arrow
Router#access-enable
Router(config)#int fa 0/0

10. Stops console messages from popping up and disrupting the input you're trying to type
set the name of a router to Chicago
Router#debug
Router(config-line)#logging synchronous
Router#mrinfo

11. Router#copy run startup
set a serial interface to provide clocking to another router at 64Kb
Router>enable
Atlanta(config-if)#description Sales Lan
What command do you type to save the configuration stored in RAM to NVRAM?

12. To be displayed on terminals connected to reverse Telnet lines. This banner is useful for providing instructions to users who use reverse Telnet.
Router(config)#interface MFR
Router#connect
Router(config)#banner incoming
Router(config)#banner login

13. User mode
Router>
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Router(config)#interface Serial
Router(config)#interface Dialer

14. Loopback interface
set the enable secret password to cisco
Router#lock
Router(config)#interface Loopback
Router(config)#$

15. Sh int ehternet0; config t; int ethernet0; no shut; sh int ehternet0
Bring up Ethernet0
Router(config)#enable secret
How many simultaneous Telnet sessions does a Cisco router support by default?
Router(config)#line aux 0

16. Bridge-Group Virtual Interface
What keystroke will terminate setup mode?
Router(config)#interface BVI
Router(config)#interface Tunnel
Router(config)#enable secret

17. Show interfaces
Router(config)#banner
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Router#logout
Router(config)#banner incoming

18. Ctrl+C
What keystroke will terminate setup mode?
Router(config)#interface Vif
Atlanta#sh run
Router#sh int fastethernet 0/0

19. Shows terminal configurations and history buffer size
Router(config)#banner incoming
Router#sh terminal
How many simultaneous Telnet sessions does a Cisco router support by default?
Router#sh version

20. Enter configuration mode
Router(config)#interface Tunnel
configure terminal (config t)
CLI
Router#configure

21. A line-activation (exec) banner to be displayed when an EXEC process is created
Router(config)#enable password
Router#help
reinitialize the router and totally replace the running-config with the current startup-config
Router(config)#banner exec

22. Sets the description of an interface; use it to keep track of circuit numbers - locations - etc.
set a serial interface to provide clocking to another router at 64Kb
Atlanta(config-if)#description Sales Lan
Router#logout
Router(config)#line x/y

23. There is more than one show command sthat starts with the letters ru.
Router#access-template
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Enter interface configuration mode and configure serial 0/0
set a user-mode password for the console port

24. Go back from privileged mode into user mode
global command
Router#disable
Label the interface 'WAN to Miami'
Router(config)#int serial 5

25. Router(config-if)#ip address 172.16.20.2 255.255.255.0 secondary
Add a secondary IP address
Used to verify configuration
Router(config)#line aux 0
Router(config)#interface FastEthernet

26. 10Mbps Ethernet network connection
configure memory (config mem)
What keystroke will terminate setup mode?
Attachment Unit Interface (AUI) connection
Router#access-profile

27. Lock the terminal
Router#lock
Router(config)#interface Null
Router(config)#line x/y
Cisco IOS

28. Global configuration mode
Router#config t
Used to verify configuration
Router(config)#router rip
Router(config-if)#clock rate 64000

29. Manually save the file from DRAM to NVRAM
Router(config)#banner exec
Enable the interface
Atlanta#copy run start
Router(config)#enable secret

30. Lex interface
Router#config t
Router(config-line)#exec-timeout
Router(config)#interface Lex
Password required - but none set: Which of the following sequences will address this problem correctly?

31. Interface s0/0
Router#sh running-config (sh run)
Enter interface configuration mode and configure serial 0/0
Router#clear
Router(config)#line tty

32. Configure a DCE serial interface in bits per second
Auxiliary port
Router(config-if)#
configure terminal (config t)
Router(config-if)#clock rate 64000

33. Shows previous commands entered
What command do you type to save the configuration stored in RAM to NVRAM?
Down arrow
view the config
Router#sh version

34. Manage the system clock
Which of the following commands sets the secret password to Cisco?
Router#clock
Setup mode
Password required - but none set: Which of the following sequences will address this problem correctly?

35. The show controllers serial 0 command will show you whether either a DTE or DCE cable is connected to the interface. If it is a DCE connection - you need to add clocking with the clock rate command.
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
What layer of the OSI model would you assume the problem is in if you type show interface serial 1 and receive: Serial1 is a down - line protocol is down
outer#disconnect
What keystroke will terminate setup mode?

36. Provides basic configuration for the system hardware as well as the software version - the names and sources of configuration files - and the boot images
reinitialize the router and totally replace the running-config with the current startup-config
Serial0 is administratively down - line protocol is down
Enable the interface
Router#sh version

37. Config t - enable secret cisco
set the enable secret password to cisco
Attachment Unit Interface (AUI) connection
Router(config-line)#logging synchronous
see if a serial interface needed to provide clocking

38. Log in as a particular user
Router(config)#banner exec
Router#login
Router(config-router)#
Router#help

39. Tunnel interface
Router(config)#interface Tunnel
Router#access-enable
Router#lock
Router#sh int fastethernet 0/0

40. Turn on privileged commands
Router#enable
Router(config)#line console 0
set the name of a router to Chicago
Attachment Unit Interface (AUI) connection

41. Names the router Todd; Todd(config)#
Router(config)#hostname Todd
Router#bfe
Router#sh version
Enable the interface

42. Sets the console password
Router(config-subif)#
Router(config)#enable password todd
Used to verify configuration
Router(config)#line console 0

43. Async Group interface
Router(config)#interface Group-Async
Router(config)#enable password todd
Router(config)#interface Lex
Router(config)#line tty

44. Copy configuration or image data
Router#disable
Router#terminal history size
Router(config)#interface Tunnel
Router#copy

45. Slot/Port for Modems
Serial0 is administratively down - line protocol is down
Router(config)#line x/y
see if a serial interface needed to provide clocking
Router#configure

46. Ping - traceroute - and telnet
CLI
Router(config-if)#bandwidth 64
Used to verify configuration
Router(config)#int ethernet 0

47. Shows last 10 commands entered by default
EXEC session
Router#sh history
Router(config)#int ethernet 0
% Invalid input detected at '^' marker

48. Erase flash or configuration memory
Auxiliary port
Router(config)#interface Tunnel
Router#erase
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?

49. Configure ethernet port 0
Router(config)#int ethernet 0
Router#configure
Set telnet connection to have no password
Router#terminal history size

50. Debugging functions (see also 'undebug')
Router(config)#interface Async
Router#lock
Router#terminal history size
Router#debug