Icnd2 - Switching - Quiz & Trivia

1. VTP cannot be disabled

True

False

It can be disabled by setting a switch to use VTP transparent mode.

Explanation

It can be disabled by setting a switch to use VTP transparent mode.

2. What is the standard priority number in an STP enabled switch?

61440

32768

24768

28765

65535

3. You have just issued the "Switchport mode trunk" command on your switch what will be the operating mode displayed in the show interface fa0/2 switchport output?

TRUNK

STATIC ACCESS

DYANAMIC DESIRABLE

ON

4. You have added five new VLANS to a switch but the config rev number is still zero. You run the show vlan command and notice the VLANS you have added are all correct and accounted for. Why is the rev number still at Zero? This switch is trunked to a VTP mode server switch and a client on either sides of it.

A connected switch is over-riding its revision number

The domain is set to NULL

The Switch is a transparent mode switch

The domain name was changed

5. What is the next state of the STP process as it transitions from blocking mode?

LEARNING

DISCARDING

LISTENING

DISABLED

FORWARDING

6. Between two switches you have connected up 5 cross over cables and ensured the connected ports are set to trunking. Everthing is kept at defaults. Switch-1 has been elected the ROOT switch. On Switch-2, how many of its interfaces will be able to send traffic to Switch-1?

0

1

4

5

There is no mention of etherchannel being setup despite me suggesting it. Switch-2 will only have one port forwarding traffic to Switch-1 because this port will be the root, all others will be in blocking.

Explanation

There is no mention of etherchannel being setup despite me suggesting it. Switch-2 will only have one port forwarding traffic to Switch-1 because this port will be the root, all others will be in blocking.

7. Transparent switches running VTP version one will only pass on updates if the transparent switch matches their domain or its domain is set to null. true of false.

True

False

8. You plug in a host into your switch and then run the show interface fa0/4 switchport command. What will be displayed under the operating mode field?

DYNAMIC AUTO

STATIC ACCESS

DOWN

TRUNK

9. What is the STP cosf for an interface on a switch which is running at 10Mb

25

19

4

100

125

10. BPDUs are regularly sent out at the default intervals in a networking using 802.1D. But suddenly there is failure. How many missed BPDUs will have to be reached before the 802.1D algorithm is initiated?

2

20

5

10

BPDUs are sent every 2 seconds. Max age timer is 20 seconds by default. 20/2=10 BPDUs

Explanation

BPDUs are sent every 2 seconds. Max age timer is 20 seconds by default. 20/2=10 BPDUs

11. On a switch, how often are DTP frames sent out ?

10 seconds

30 seconds

60 seconds

300 seconds

5 minutes

12. How often are BPDUs sent by default?

5s

2s

10s

300s

13. A PC is connected to a switch's edge port and 802.1W is running with all its defaults. When this PC is rebooted what states will the edge type port transition to?

Forwarding

Discarding,Forwarding

Blocking, Listening, Learning, Forwarding

Discarding, Learning, Forwarding

14. Which of the following port states will learn MAC addresses?

Discarding

Forwarding

Listening

Blocking

15. You attempt to set a VTP password on a switch but get an error message stating it can't be done. What is the reason for this?

The Switch is a client and therefore cannot set a password

VTP Secure is not supported in this IOS version

The switch's version number is one and needs to be changed to two

VTP Domain=NULL

16. Which of the following port states will only receive BPDUs but not send them?

Listening

Disabled

Forwarding

Learning

Blocking

17. A link in a switched network using 802.1D has gone down but how long will it take before the convergence process is started?

20 seconds

2 seconds

5 seconds

50 seconds

15 seconds

18. WHAT ARE THE FIELDS IN A HELLO BPDU? CHOOSE 5

SENDER'S BID

VTP DOMAIN NAME

AREA NUMBER

COST TO REACH ROOT BRIDGE

SUBNET MASK

ROOT BRIDGE ID

MAX AGE TIMER

AUTHENTICATION

FORWARD DELAY

Submit

19. How many VLANS can switches participating in a VTP domain handle at most?

1005

4094

150

1000

20. How many VLANS can a transparent switch support when it is connected to other switches and is actively forwarding on any VTP updates?

1002

1005

250

4094

transparent switches support a max of 4094 vlans whereas servers and clients support upto 1005

Explanation

transparent switches support a max of 4094 vlans whereas servers and clients support upto 1005

21. In RSTP What state is an Alternate port placed in?

Blocked

Discarding

Backup

Disabled

Alternate ports are used by RSTP and are divided up into 2 other types called Blocked and Backup states. These ports are in discarding mode in RSTP

Explanation

Alternate ports are used by RSTP and are divided up into 2 other types called Blocked and Backup states. These ports are in discarding mode in RSTP

22. You're receiving a domain mismatch message on both your switches which are trunked together. How can you prevent this message from appearing?

Switchport trunk encapsulation Dot1q

Set the domain name to null on one of the switches

Switchport mode trunk

Switchport nonegotiate

23. How often are Hello frames sent by an STP enabled root bridge?

Whenever the STP topology changes

10 seconds

2 seconds

20 seconds

24. The "spanning-tree vlan{#} root primary" command is issued, what will the priority be set to as its default?

32768

24576

28672

0

25. VTP server enabled switches store their VLANs in which file or location? choose one

Running config

Memory

FLASH

Starup-config

NVRAM

26. What type of VTP message is sent out with full details of the VLAN database?

Update

Subset

Summary

Advertisement Request

27. Which of the following security modes will put a switch port into error disabled state?

LCP

Restrict

Protect

Shutdown

28. What is the default STP cost for 10,000Mb interface?

2

100

4

19

5

1

29. What duplex do shared link type ports operate at?

HDX

100mB

FDX

Auto

30. How many BPDUs must be missed before the 802.1W starts getting agitated?

10

4

2

3

max age timer=6 seconds. 6/2=3 bpdus

Explanation

max age timer=6 seconds. 6/2=3 bpdus

31. A VTP enabled switch receives a message from another switch telling him that he has a superior config revision number. The receiving switch looks at this message and now compares to his own config rev number and he realises his version is lower and therefore outdated. What does this switch do next?

Send an Advertisement Request

Send a Subset Message

Send a VTP update

Send a Summary Message

32. Where do Transparent switches store their VLAN database? choose two

NVRAM

RUNNING-CONFIG

STARTUP CONFIG

VLAN.DAT

Submit

33. Whhat three factors must be met in order for client/server switches to synchronise their VLAN databases? choose three

ADVERTISEMENT REQUEST

VTP DOMAIN

CONFIGUARATION REVISION NUMBER

VTP VERSION

VTP PRUNING ENABLED

VTP PASSWORD

Submit

34. What is the max value which the Max age timer can be set to in STP?

40

60

10

30

35. What is the max value which the Forward delay timer can be set to ?

10

50

60

20

36. Which of the following STP port states will both send and receive BPDUs

Learning

Disabled

Forwarding

Blocking

Listening

disabled mode cannot receive or send any BPDUs. Blocking mode can only receive BPDUs but not send them

Explanation

disabled mode cannot receive or send any BPDUs. Blocking mode can only receive BPDUs but not send them

Submit

37. You want to make Switch-Gamma the Root so you issue the "Spanning-tree vlan priority #" command on this switch. What number can you use in place of # Choose the TWO best options

0

8000

8192

32768

24576

The priority values can be anything from zero to 61440 but going in increments of 4096. 0 and 8192 are the lowest and importantly most compatible options with the command. 24576 would also work but 0 and 4096 are lower and therefore better

Explanation

The priority values can be anything from zero to 61440 but going in increments of 4096. 0 and 8192 are the lowest and importantly most compatible options with the command. 24576 would also work but 0 and 4096 are lower and therefore better

Submit

38. What is the maximum value that the BPDU hello timer can be set to/.

5

40

10

20

39. A Junior tech asks you how often VTP messages are sent out informing neighboring trunking switches of their config revision number and domain name. How often will you reply?

30 seconds

90 seconds

300 seconds

60 seconds

As well as every 300 seconds, summary adverts are sent out whenever a vlan database change is implemented

Explanation

As well as every 300 seconds, summary adverts are sent out whenever a vlan database change is implemented

40. Select 4 possible Admin modes when you issue the "SHOW INTERFACE FA0/1 SWITCHPORT" command

DYNAMIC DESIRABLE

STATIC ACCESS

ACCESS

TRUNK

NONEGOTIATE

DYNAMIC AUTO

DOWN

ERR-DISABLED

Submit

41. On a new switch you plug in your PC into port fa0/10 and type show interface fa0/10 switchport. What entries will be displayed for the Admin and operational modes? choose TWO

ADMIN MODE=STATIC ACCESS

OPERATIONAL MODE=DOWN

OPERATIONAL MODE=STATIC

ADMIN MODE=DYNAMIC DESIRABLE

ADMIN MODE=DYANMIC AUTO

OPERATIONAL MODE=UP

Submit

42. Which of the following are deemed Cisco proprietary? Choose two

RSTP

PVST+

CST

RSTP+

PVST

Submit

43. Which of the following security violation modes will keep logs?

Restrict

Protect

Disable

Shutdown

Submit

44. A VTP client switch can send out which of the following types of messages?

Summary Advert

Subset message

VTP Update

VTP Flag message

Advertisement Request

Submit

45. VTP Subset messages contain which of the following attributes? choose 4

MAX VLANS supported

Config rev#

VTP Password

VLAN Database

VTP Domain

VTP version

Submit

Icnd2 - Switching

1. VTP cannot be disabled

2.

What first name or nickname would you like us to use?

2. What is the standard priority number in an STP enabled switch?

3. You have just issued the "Switchport mode trunk" command on your switch what will be the operating mode displayed in the show interface fa0/2 switchport output?

5. What is the next state of the STP process as it transitions from blocking mode?

6. Between two switches you have connected up 5 cross over cables and ensured the connected ports are set to trunking. Everthing is kept at defaults. Switch-1 has been elected the ROOT switch. On Switch-2, how many of its interfaces will be able to send traffic to Switch-1?

7. Transparent switches running VTP version one will only pass on updates if the transparent switch matches their domain or its domain is set to null. true of false.

8. You plug in a host into your switch and then run the show interface fa0/4 switchport command. What will be displayed under the operating mode field?

9. What is the STP cosf for an interface on a switch which is running at 10Mb

10. BPDUs are regularly sent out at the default intervals in a networking using 802.1D. But suddenly there is failure. How many missed BPDUs will have to be reached before the 802.1D algorithm is initiated?

11. On a switch, how often are DTP frames sent out ?

12. How often are BPDUs sent by default?

13. A PC is connected to a switch's edge port and 802.1W is running with all its defaults. When this PC is rebooted what states will the edge type port transition to?

14. Which of the following port states will learn MAC addresses?

15. You attempt to set a VTP password on a switch but get an error message stating it can't be done. What is the reason for this?

16. Which of the following port states will only receive BPDUs but not send them?

17. A link in a switched network using 802.1D has gone down but how long will it take before the convergence process is started?

18. WHAT ARE THE FIELDS IN A HELLO BPDU? CHOOSE 5

19. How many VLANS can switches participating in a VTP domain handle at most?

20. How many VLANS can a transparent switch support when it is connected to other switches and is actively forwarding on any VTP updates?

21. In RSTP What state is an Alternate port placed in?

22. You're receiving a domain mismatch message on both your switches which are trunked together. How can you prevent this message from appearing?

23. How often are Hello frames sent by an STP enabled root bridge?

24. The "spanning-tree vlan{#} root primary" command is issued, what will the priority be set to as its default?

25. VTP server enabled switches store their VLANs in which file or location? choose one

26. What type of VTP message is sent out with full details of the VLAN database?

27. Which of the following security modes will put a switch port into error disabled state?

28. What is the default STP cost for 10,000Mb interface?

29. What duplex do shared link type ports operate at?

30. How many BPDUs must be missed before the 802.1W starts getting agitated?

32. Where do Transparent switches store their VLAN database? choose two

33. Whhat three factors must be met in order for client/server switches to synchronise their VLAN databases? choose three

34. What is the max value which the Max age timer can be set to in STP?

35. What is the max value which the Forward delay timer can be set to ?

36. Which of the following STP port states will both send and receive BPDUs

37. You want to make Switch-Gamma the Root so you issue the "Spanning-tree vlan priority #" command on this switch. What number can you use in place of # Choose the TWO best options

38. What is the maximum value that the BPDU hello timer can be set to/.

39. A Junior tech asks you how often VTP messages are sent out informing neighboring trunking switches of their config revision number and domain name. How often will you reply?

40. Select 4 possible Admin modes when you issue the "SHOW INTERFACE FA0/1 SWITCHPORT" command

41. On a new switch you plug in your PC into port fa0/10 and type show interface fa0/10 switchport. What entries will be displayed for the Admin and operational modes? choose TWO

42. Which of the following are deemed Cisco proprietary? Choose two

43. Which of the following security violation modes will keep logs?

44. A VTP client switch can send out which of the following types of messages?

45. VTP Subset messages contain which of the following attributes? choose 4