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CCIE Lab Tasks

Instructions:

Answer 23 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. How do you prevent a router from switching to the shortest path tree once the data flow has begun. Where is the documentation?
Spf-threshold command: Global Config:Define the group with an access list: access-list 52 permit 239.0.0.0 0.255.255.255 - Change the shortest path tree threshold - ip pim spt-threshold infinity group-list 52 - This is documented under: Optimizing PI
Multicast Boundary:On upstream router: Create Access List of group to deny - remember to allow others - access-list 51 deny 239.0.0.0 0.255.255.255 - access-list 51 permit 224.0.0.0 5.255.255.255 - Configure the boundary on the interface facing downs
Priority - Link Cost - Router ID - Port Cost
Router bgp100 - bgp dampening 15 500 3000 60 - (half life - re-use limit - suppress limit - maximum suppress time)

2. How do you configure a Multicast RP mapping agent?
Transport preferred none
Multicast Boundary:On upstream router: Create Access List of group to deny - remember to allow others - access-list 51 deny 239.0.0.0 0.255.255.255 - access-list 51 permit 224.0.0.0 5.255.255.255 - Configure the boundary on the interface facing downs
Interface config - int looopback 0 - ip pim sparse-dense-mode - Global Config - ip pim send-rp-discovery loopback 0 scope 20
Highest Weight - Highest Local Pref - Locally originated - Shortest AS-Path - Lowest origin type (IGP - EGP - Incomplete) - Lowest MED - EBGP over IBGP - Lowest IGP Metric - Oldest Route - Lowest Router ID

3. What does the command 'show protocols' do
Transport preferred none
Global Config - ip pim autorp listener
You can policy route the traffic through the Loopback interface and then it will hit the reflexive access list. Create access list to match traffic. - ip access-list extended ORIGINATED - permit icmp any any - permit tcp any any eq telnet - Create a
It will show the IP addresses on the device with the subnet mask

4. How do you prevent the console line from performing DNS resolution
The neighbor remove-private-as command.
Global Config - Create reflexive access list: ip access-list extended OUTBOUND - permit tcp any any reflect REFLECTED - Create inbound access list that will evaluate reflected. - ip access-list extended INBOUND - evaluate REFLECTED - Apply to outer i
Terminal services / Appendix / Regexp.
Transport preferred none

5. Move interface encapsulation - interface ip access-group - hostname and show run to level 2
Global Config - Create reflexive access list: ip access-list extended OUTBOUND - permit tcp any any reflect REFLECTED - Create inbound access list that will evaluate reflected. - ip access-list extended INBOUND - evaluate REFLECTED - Apply to outer i
Privilege exec level 2 show run - privilege configure level 2 hostname - privilege configure level 2 interface - privilege interface all level 2 encapsulation - privilege interface level 2 ip access-group
Class-map type port-filter - policy-map type port-filter - service-policy type port-filter
Transport preferred none

6. How do you configure autorp when in sparse mode only?
Global Config - ip pim autorp listener
Change interface BW - Change Neighbor Cost - Change Interface ip ospf cost - Change OSPF process reference BW (all routers)
Highest Weight - Highest Local Pref - Locally originated - Shortest AS-Path - Lowest origin type (IGP - EGP - Incomplete) - Lowest MED - EBGP over IBGP - Lowest IGP Metric - Oldest Route - Lowest Router ID
Mac address-table aging-timer 10 vlan 88 - show mac address-table aging-timer

7. Where is PPPoE in the documentation
Transport preferred none
Broadband Access - Aggregation
It will show the IP addresses on the device with the subnet mask
Global Config - ip pim autorp listener

8. What is the command to configure the CAM table timers for Vlan 88 to expire in 10 minutes. What is the verification command.
Control-plane transit - control-plane host - control-plane cef-exception
The neighbor remove-private-as command.
Mac address-table aging-timer 10 vlan 88 - show mac address-table aging-timer
Negotiation conditions - Show interface switchport.

9. How do you stop private AS numbers from being advertised
Global Config - Create reflexive access list: ip access-list extended OUTBOUND - permit tcp any any reflect REFLECTED - Create inbound access list that will evaluate reflected. - ip access-list extended INBOUND - evaluate REFLECTED - Apply to outer i
Global Config - ip pim autorp listener
The neighbor remove-private-as command.
Class-map type port-filter - policy-map type port-filter - service-policy type port-filter

10. What are the for control plane interfaces or modes?
...
Control-plane transit - control-plane host - control-plane cef-exception
Priority - Link Cost - Router ID - Port Cost
Class-map type port-filter - policy-map type port-filter - service-policy type port-filter

11. How do you penalize flapping BGP routes? Verification?
Spf-threshold command: Global Config:Define the group with an access list: access-list 52 permit 239.0.0.0 0.255.255.255 - Change the shortest path tree threshold - ip pim spt-threshold infinity group-list 52 - This is documented under: Optimizing PI
Interface config - int looopback 0 - ip pim sparse-dense-mode - Global Config - ip pim send-rp-announce loopback 0 scope 20
You can policy route the traffic through the Loopback interface and then it will hit the reflexive access list. Create access list to match traffic. - ip access-list extended ORIGINATED - permit icmp any any - permit tcp any any eq telnet - Create a
Router bgp100 - bgp dampening 15 500 3000 60 - (half life - re-use limit - suppress limit - maximum suppress time)

12. How do you filter autorp multicast groups?

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13. How can you pass traffic sourced from the router that will not be reflected by the reflexive access list?
You can policy route the traffic through the Loopback interface and then it will hit the reflexive access list. Create access list to match traffic. - ip access-list extended ORIGINATED - permit icmp any any - permit tcp any any eq telnet - Create a
The neighbor remove-private-as command.
It will show the IP addresses on the device with the subnet mask
Highest Weight - Highest Local Pref - Locally originated - Shortest AS-Path - Lowest origin type (IGP - EGP - Incomplete) - Lowest MED - EBGP over IBGP - Lowest IGP Metric - Oldest Route - Lowest Router ID

14. How do you filter administratively scoped groups from transiting a router?
Multicast Boundary:On upstream router: Create Access List of group to deny - remember to allow others - access-list 51 deny 239.0.0.0 0.255.255.255 - access-list 51 permit 224.0.0.0 5.255.255.255 - Configure the boundary on the interface facing downs
Transport preferred none
Interface config - int looopback 0 - ip pim sparse-dense-mode - Global Config - ip pim send-rp-discovery loopback 0 scope 20
Spf-threshold command: Global Config:Define the group with an access list: access-list 52 permit 239.0.0.0 0.255.255.255 - Change the shortest path tree threshold - ip pim spt-threshold infinity group-list 52 - This is documented under: Optimizing PI

15. Configure a reflexive access list to permit traffic out interface Fa0/0 that allows all tcp traffic.
Interface config - int looopback 0 - ip pim sparse-dense-mode - Global Config - ip pim send-rp-discovery loopback 0 scope 20
On the mapping agent: Create an access list to define the RP's - access-list 25 permit 150.1.3.3 - Create and access list to define the groups - access-list 26 permit 239.0.0.0 0.255.255.255 - Apply the filter - ip pim rp-announce-filter rp-list 25 g
Highest Weight - Highest Local Pref - Locally originated - Shortest AS-Path - Lowest origin type (IGP - EGP - Incomplete) - Lowest MED - EBGP over IBGP - Lowest IGP Metric - Oldest Route - Lowest Router ID
Global Config - Create reflexive access list: ip access-list extended OUTBOUND - permit tcp any any reflect REFLECTED - Create inbound access list that will evaluate reflected. - ip access-list extended INBOUND - evaluate REFLECTED - Apply to outer i

16. What is the process for configuring Trunking and VTP. How do we check our work.
Change interface BW - Change Neighbor Cost - Change Interface ip ospf cost - Change OSPF process reference BW (all routers)
Negotiation conditions - Show interface switchport.
Router bgp100 - bgp dampening 15 500 3000 60 - (half life - re-use limit - suppress limit - maximum suppress time)
Priority - Link Cost - Router ID - Port Cost

17. Define the neighbor matrix for OSPF network types. Which are unicast vs. multicast - and which needs the explicit neighbor commands.
Priority - Link Cost - Router ID - Port Cost
...
Negotiation conditions - Show interface switchport.
Router bgp100 - bgp dampening 15 500 3000 60 - (half life - re-use limit - suppress limit - maximum suppress time)

18. List the BGP decision process
Highest Weight - Highest Local Pref - Locally originated - Shortest AS-Path - Lowest origin type (IGP - EGP - Incomplete) - Lowest MED - EBGP over IBGP - Lowest IGP Metric - Oldest Route - Lowest Router ID
Router bgp100 - bgp dampening 15 500 3000 60 - (half life - re-use limit - suppress limit - maximum suppress time)
Class-map type port-filter - policy-map type port-filter - service-policy type port-filter
Negotiation conditions - Show interface switchport.

19. How do you change spanning tree path
Priority - Link Cost - Router ID - Port Cost
It will show the IP addresses on the device with the subnet mask
Highest Weight - Highest Local Pref - Locally originated - Shortest AS-Path - Lowest origin type (IGP - EGP - Incomplete) - Lowest MED - EBGP over IBGP - Lowest IGP Metric - Oldest Route - Lowest Router ID
Interface config - int looopback 0 - ip pim sparse-dense-mode - Global Config - ip pim send-rp-discovery loopback 0 scope 20

20. How can you match on closed ports on the router for the purpose of filtering
Transport preferred none
Class-map type port-filter - policy-map type port-filter - service-policy type port-filter
Privilege exec level 2 show run - privilege configure level 2 hostname - privilege configure level 2 interface - privilege interface all level 2 encapsulation - privilege interface level 2 ip access-group
Interface config - int looopback 0 - ip pim sparse-dense-mode - Global Config - ip pim send-rp-announce loopback 0 scope 20

21. How do you configure a Multicast RP candidate?
Global Config - ip pim autorp listener
Broadband Access - Aggregation
On the mapping agent: Create an access list to define the RP's - access-list 25 permit 150.1.3.3 - Create and access list to define the groups - access-list 26 permit 239.0.0.0 0.255.255.255 - Apply the filter - ip pim rp-announce-filter rp-list 25 g
Interface config - int looopback 0 - ip pim sparse-dense-mode - Global Config - ip pim send-rp-announce loopback 0 scope 20

22. How do you affect OSPF path selection
Priority - Link Cost - Router ID - Port Cost
Change interface BW - Change Neighbor Cost - Change Interface ip ospf cost - Change OSPF process reference BW (all routers)
Terminal services / Appendix / Regexp.
Transport preferred none

23. Where in documentation is BGP regular expressions.
Change interface BW - Change Neighbor Cost - Change Interface ip ospf cost - Change OSPF process reference BW (all routers)
Router bgp100 - bgp dampening 15 500 3000 60 - (half life - re-use limit - suppress limit - maximum suppress time)
Interface config - int looopback 0 - ip pim sparse-dense-mode - Global Config - ip pim send-rp-discovery loopback 0 scope 20
Terminal services / Appendix / Regexp.