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Test your basic knowledge |
Introduction To The Cisco IOS
Start Test
Study First
Subjects
:
cisco
,
it-skills
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. Displays information about the physical interface itself. It'll also give you the type of serial cable plugged into a serial port. Usually - this will only be a DTE cable that plugs into a type of data service unit (DSU)
Router#sh controllers serial 0/0
Router#exit
Router>enable
If you delete the contents of NVRAM and reboot the router - what mode will you be in?
2. Encrypts passwords; sh run - config t - Router(config)#no service password-encryption
Router(config-subif)#
CLI
Router(config)#service password-encryption
Router(config)#interface Multilink
3. Privileged mode
Router#connect
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
Router>enable
Configure the interface IP address to '10.1.5.255 255.255.252.0'
4. View hardware addressing - logical addressing - and statistics of an interface
Router#sh int fastethernet 0/0
Router#login
Router(config)#interface FastEthernet
Which of the following commands will configure all the default VTY ports on a router?
5. A login banner to be displayed on all connected terminals; displayed after the MOTD banner but before the login prompts; delete it with the no banner login command
Router(config)#banner login
Router(config)#interface BVI
Router#terminal history size
Router(config)#interface Virtual-Template
6. Manually save the file from DRAM to NVRAM
show inter et 0 and notice the port is administratively down
Router(config)#interface Serial
Router(config-subif)#
Atlanta#copy run start
7. Virtual Template interface
Router(config-router)#
Router#clear counters s0/0
Router#login
Router(config)#interface Virtual-Template
8. The administrator has the interface shut down.
Router(config)#enable use-tacacs
Password required - but none set: Which of the following sequences will address this problem correctly?
Router(config)#interface Virtual-Template
Serial0 is administratively down - line protocol is down
9. Global configuration mode and changes what's known as the running-config
configure terminal (config t)
Router(config)#banner motd
Router#sh history
Atlanta#sh run
10. Router(config)#line vty 0 4
Which command will delete the contents of NVRAM on a router?
Console port
Router#sh running-config (sh run)
Which of the following commands will configure all the default VTY ports on a router?
11. Names the router Todd; Todd(config)#
Router(config)#hostname Todd
Router(config)#line tty
Router#enable
set the name of a router to Chicago
12. Create a temporary Access-List entry
What keystroke will terminate setup mode?
Router#
Router(config-if)#clock rate 64000
Router#access-enable
13. There is more than one show command sthat starts with the letters ru.
Router>enable
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Router(config-line)#exec-timeout
% Incomplete command
14. Show protocols - show interfaces - show ip interface
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? (Choose three.)
Router#disable
see if a serial interface needed to provide clocking
Router>logout
15. Cisco Internetwork Operating System
Cisco IOS
Router(config)#line aux 0
Router(config)#hostname Todd
How many simultaneous Telnet sessions does a Cisco router support by default?
16. Request neighbor and version information from a multicast router
Router(config)#int fa 0/0
Router#connect
Router#mrinfo
Router(config)#enable password todd
17. Interface s0/0
Router#clock
Router#enable
Enter interface configuration mode and configure serial 0/0
Router(config)#banner exec
18. Set only once and affects the entire router
Router#
global command
Which command will delete the contents of NVRAM on a router?
Router>logout
19. Configure a DCE serial interface in bits per second
Router(config)#int ethernet 0
Router#help
Router#terminal history size
Router(config-if)#clock rate 64000
20. User mode
Router#disable
Exec-timeout 1 44
Router>
Router#login
21. Sets the enable password on older - pre-10.3 systems - and isn't ever used if an enable secret is set
set the enable secret password to cisco
configure memory (config mem)
Router(config)#enable password
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
22. Description of the interactive help system
configure memory (config mem)
Router#help
view the config
Router#copy
23. Copy configuration or image data
Router>sh controllers s 0
Router(config-line)#
% Invalid input detected at '^' marker
Router#copy
24. Mode that a router will enter if no configuration is found in nonvolatile RAM when the router boots
Setup mode
Router(config)#line tty
Router#logout
reinitialize the router and totally replace the running-config with the current startup-config
25. To configure routing protocols such as RIP and IGRP
Router(config-router)#
Router(config)#enable last-resort
Exec-timeout 1 44
Router(config-line)#logging synchronous
26. Interface range command
Router(config)#interface range
Auxiliary port
Router(config)#int fa 0/0
Router(config)#line aux 0
27. CTunnel interface
Router(config)#interface Dialer
Router(config)#interface CTunnel
Add a secondary IP address
Router#sh controllers serial 0/0
28. Changes buffer size (max 256)
Serial interfaces
How many simultaneous Telnet sessions does a Cisco router support by default?
Router#terminal history size
You set the console password - but when you display the configuration - the password doesn't show up; it looks like this: Password 7098C0BQR
29. See if a router's serial interface has a DCE cable connected
Router(config)#interface Async
set the enable secret password to cisco
Router>sh controllers s 0
global command
30. Indicates that the line has been scrolled to the left
Router(config)#interface Tunnel
Router(config)#$
Router(config)#interface Lex
Router#terminal history size
31. Go back from privileged mode into user mode
Router#disable
Router(config)#interface BVI
Router(config)#interface Multilink
Router(config)#int ethernet 0
32. Debugging functions (see also 'undebug')
Router#debug
Router#logout
Router(config)#enable secret
Router#enable
33. Description WAN to Miami
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34. Gives a message to every person dialing into or connecting to the router via Telnet or auxiliary port - or even through a console port
Router(config)#banner motd
Router#clock
Router#copy
reinitialize the router and totally replace the running-config with the current startup-config
35. Shows terminal configurations and history buffer size
Which command will delete the contents of NVRAM on a router?
Router#sh terminal
Router(config)#interface Dialer
Router(config)#enable password todd
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
Router(config)#interface Vif
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
Cisco IOS
Router#sh version
37. Power-on seft test (POST) - loads the Cisco IOS from flash - loads config from NVRAM
Booting a router
configure memory (config mem)
CLI
Router#copy
38. This is the newer - encrypted password that overrides the enable password if it's set
Router#copy
Router#sh history
Router(config)#enable secret
Auxiliary port
39. Interface configuration mode
Router(config)#interface MFR
% Invalid input detected at '^' marker.
Router(config)#int fa 0/0
Router(config-if)#
40. Physical layer
Router#sh protocols
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
Atlanta#sh run
Router#disable
41. Shows last command entered
Up arrow
Router#erase
Atlanta#sh start
Router(config)#interface MFR
42. Show controllers int
see if a serial interface needed to provide clocking
Router(config)#enable last-resort
Router(config)#banner
Router(config)#interface Serial
43. Command string isn't done yet
Router#access-enable
% Incomplete command
Router(config)#banner exec
Setup mode
44. View the config that will run when the router is reloaded; tells us how much NVRAM is being used
Router#sh int fastethernet 0/0
Which command will delete the contents of NVRAM on a router?
Atlanta#sh start
How many simultaneous Telnet sessions does a Cisco router support by default?
45. Configure serial port 5
Router(config)#int serial 5
configure network (config net)
Router(config)#interface MFR
Cisco IOS
46. Sh int ehternet0; config t; int ethernet0; no shut; sh int ehternet0
delete the configuration stored in NVRAM
Router(config)#router rip
see if a serial interface needed to provide clocking
Bring up Ethernet0
47. A line-activation (exec) banner to be displayed when an EXEC process is created
Router(config)#enable secret todd
Router#access-profile
Router(config)#banner exec
Router(config)#line console 0
48. No shut
Router(config-if)#clock rate 64000
Router(config)#line x/y
Enable the interface
Router#config t
49. To configure user-mode passwords
Router(config)#banner login
Router(config)#int ethernet 0
Router(config-line)#
Router(config)#service password-encryption
50. Privileged mode
Router#sh terminal
Router(config)#enable last-resort
Router#
Which command will delete the contents of NVRAM on a router?