CCIE Lab MCQs
CCIE Lab MCQs
The following CCIE Lab MCQs have been compiled by our experts through research, in order to test your knowledge of the subject of CCIE Lab. We encourage you to answer these 20 multiple-choice questions to assess your proficiency.
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1: What does the command "show protocols" do
A. Broadband Access - Aggregation
B. 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
C. ...
D. It will show the IP addresses on the device with the subnet mask
2: How do you configure a Multicast RP mapping agent?
A. 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
B. Router bgp100 - bgp dampening 15 500 3000 60 - (half life - re-use limit - suppress limit - maximum suppress time)
C. Negotiation conditions - Show interface switchport.
D. Interface config - int looopback 0 - ip pim sparse-dense-mode - Global Config - ip pim send-rp-discovery loopback 0 scope 20
3: How do you change spanning tree path
A. 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
B. Control-plane transit - control-plane host - control-plane cef-exception
C. Priority - Link Cost - Router ID - Port Cost
D. Transport preferred none
4: How can you pass traffic sourced from the router that will not be reflected by the reflexive access list?
A. 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
B. 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
C. You can route the traffic through the Loopback interface and then it will hit the reflexive access list. Create an access list to match traffic. - ip access-list extended ORIGINATED - permit icmp any any - permit tcp any any eq telnet - Create a
D. Terminal services / Appendix / Regexp.
5: How can you match on closed ports on the router for the purpose of filtering
A. Class-map type port-filter - policy-map type port-filter - service-policy type port-filter
B. Mac address-table aging-timer 10 vlan 88 - show mac address-table aging-timer
C. Priority - Link Cost - Router ID - Port Cost
D. Change interface BW - Change Neighbor Cost - Change Interface ip ospf cost - Change OSPF process reference BW (all routers)
6: How do you configure a Multicast RP candidate?
A. Terminal services / Appendix / Regexp.
B. Interface config - int loopback 0 - ip pim sparse-dense-mode - Global Config - ip pim send-rp-announce loopback 0 scope 20
C. 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
D. 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
7: What is the process for configuring Trunking and VTP. How do we check our work.
A. Class-map type port-filter - policy-map type port-filter - service-policy type port-filter
B. 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
C. Negotiation conditions - Show interface switchport.
D. Change interface BW - Change Neighbor Cost - Change Interface ip ospf cost - Change OSPF process reference BW (all routers)
8: List the BGP decision process
A. Transport preferred none
B. Mac address-table aging-timer 10 vlan 88 - show mac address-table aging-timer
C. 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
D. Priority - Link Cost - Router ID - Port Cost
9: How do you penalize flapping BGP routes? Verification?
A. The neighbor remove-private-as command.
B. Control-plane transit - control-plane host - control-plane cef-exception
C. Transport preferred none
D. Router bgp100 - bgp dampening 15 500 3000 60 - (half life - re-use limit - suppress limit - maximum suppress time)
10: Configure a reflexive access list to permit traffic out interface Fa0/0 that allows all tcp traffic.
A. 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
B. 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
C. Negotiation conditions - Show interface switchport.
D. Broadband Access - Aggregation
11: How do you prevent the console line from performing DNS resolution
A. Transport preferred none
B. 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
C. Global Config - ip pim autorp listener
D. The neighbor remove-private-as command.
12: How do you configure autorp when in sparse mode only?
A. Router bgp100 - bgp dampening 15 500 3000 60 - (half life - re-use limit - suppress limit - maximum suppress time)
B. Transport preferred none
C. Global Config - ip pim autorp listener
D. Control-plane transit - control-plane host - control-plane cef-exception
13: How do you affect OSPF path selection
A. 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
B. Change interface BW - Change Neighbor Cost - Change Interface ip ospf cost - Change OSPF process reference BW (all routers)
C. Broadband Access - Aggregation
D. Control-plane transit - control-plane host - control-plane cef-exception
14: What is the command to configure the CAM table timers for Vlan 88 to expire in 10 minutes. What is the verification command.
A. Transport preferred none
B. It will show the IP addresses on the device with the subnet mask
C. Mac address-table aging-timer 10 vlan 88 - show mac address-table aging-timer
D. Priority - Link Cost - Router ID - Port Cost
15: Where is PPPoE in the documentation
A. 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
B. Broadband Access - Aggregation
C. 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
D. Negotiation conditions - Show interface switchport.
16: What are the for control plane interfaces or modes?
A. 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
B. Control-plane transit - control-plane host - control-plane cef-exception
C. Terminal services / Appendix / Regexp.
D. Class-map type port-filter - policy-map type port-filter - service-policy type port-filter
17: How do you stop private AS numbers from being advertised
A. Terminal services / Appendix / Regexp.
B. Global Config - ip pim autorp listener
C. The neighbor remove-private-as command.
D. 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
18: How do you prevent a router from switching to the shortest path tree once the data flow has begun. Where is the documentation?
A. 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
B. 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
C. Interface config - int looopback 0 - ip pim sparse-dense-mode - Global Config - ip pim send-rp-discovery loopback 0 scope 20
D. It will show the IP addresses on the device with the subnet mask
19: How do you filter administratively scoped groups from transiting a router?
A. Global Config - ip pim autorp listener
B. Priority - Link Cost - Router ID - Port Cost
C. 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
D. Transport preferred none
20: Where in documentation is BGP regular expressions.
A. Negotiation conditions - Show interface switchport.
B. Terminal services / Appendix / Regexp.
C. 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
D. Class-map type port-filter - policy-map type port-filter - service-policy type port-filter
21: Move interface encapsulation - interface ip access-group - hostname and show run to level 2
A. Negotiation conditions - Show interface switchport.
B. 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
C. 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
D. Global Config - ip pim autorp listener
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