CCIE Routing and Switching Written v1.0
Question 1
DRAG DROP -
Drag and drop each statement about EtherChannel protocols on the left to the matching EtherChannel protocol on the right.
Select and Place:
Answer : 
Reference:
https://www.cisco.com/c/en/us/support/docs/switches/catalyst-4000-series-switches/23408-140.html
Question 2
Refer to the exhibit. SW1 and SW2 are connected to routers R1 and R2 via their L2 trunk ports. Which command can you enter on the switches to allow the hosts on VLAN 20 to join the multicast group 239.10.10.10 via the upstream L2 ports?
- A. ip igmp snooping querier 239.10.10.10
- B. ip igmp snooping vlan 20 mrouter learn cgmp
- C. ip igmp snooping vlan 20 static 239.10.10.10 interface gigabitethernet0/0
- D. ip igmp snooping vlan 20 mrouter interface gigabitethernet0/0
Answer : C
Question 3
Which STP feature can protect the network environment from loops in case of software failure?
- A. BPDU Guard
- B. Bridge Assurance
- C. PortFast
- D. Root Guard
Answer : B
Reference:
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/12-2SY/configuration/guide/sy_swcg/spanning_tree_features.html#79584
Question 4
Which two statements about WAN rate-based Ethernet circuits are true? (Choose two.)
- A. The CIR represents the amount of traffic that can pass from a customer to an ISP over the circuit
- B. Traffic is dropped by the service provider only when it exceeds the configured threshold at the core
- C. QoS is performed within the customer core because the service provider is unable to perform rate-limiting
- D. QoS is performed at the CE edge to prevent the service provider from dropping excessive traffic
- E. The PE device uses VLAN information is used to identify traffic for QoS
Answer : DE
Question 5
Which two statements correctly describe MLD snooping? (Choose two.)
- A. Global configurations override VLAN configurations.
- B. It can be enabled on VLANs 1 through 1001 only.
- C. It is independent of IGMP snooping.
- D. VLAN query values override global values.
- E. It can be disabled globally and then enabled on individual VLANs.
Answer : CE
Reference -
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750/software/release/12-2_40_se/configuration/guide/scg1/swv6mld.pdf
Question 6
Which two statements about migrating a network from PVST+ to MST are true? (Choose two.)
- A. Root Guard and BPDU Guard will be unaffected by the migration.
- B. Switches migrated to MST will continue to interoperate with unmigrated switches.
- C. Loop Guard and BPDU Filter are disabled automatically during the migration.
- D. While the migration is underway, unmigrated switches treat the migrated switches in the MST region as individual switches.
- E. Before migrating to MST, all PVST+ switches must first be migrated to Rapid-PVST+.
Answer : BD
Question 7
How is the MRU for a multilink bundle determined?
- A. It is manually configured on the multilink bundle.
- B. It is negotiated by IPCP.
- C. It is negotiated by LCP.
- D. It is manually configured on all physical interfaces of a multibank bundle.
- E. It is negotiated by NCP.
Answer : C
Question 8
What is the correct multicast destination address for IGMPv2 leave-group messages?
- A. 239.0.0.2
- B. 239.0.0.1
- C. 224.0.0.2
- D. 224.0.0.1
Answer : C
Question 9
DRAG DROP -
Drag and drop each IS-IS router type from the left onto the best matching OSPF router type on the right.
Select and Place:
Answer : 
Question 10
Which two statements about IS-IS metrics are true? (Choose two.)
- A. The default metric style is narrow.
- B. The default metric for the IS-IS interface is 64.
- C. The default metric for the IS-IS interface is 63.
- D. The default metric style is wide.
- E. The default metric for the IS-IS interface is 10.
Answer : AE
Question 11
What are two of the commands that you can enter to gracefully shut down OSPF and notify neighbors? (Choose two.)
- A. router(config-if)#ip ospf shutdown
- B. router(config-router)#graceful shutdown
- C. router(config)#ip notify
- D. router(config-if)#ip ospfgraceful shutdown
- E. router(config-router)#shutdown
Answer : AE
Question 12
Which two statements about OSPF route filtering are true? (Choose two)
- A. It can be based on the source router ID.
- B. It can be based on the external route tag.
- C. It affects LSA flooding.
- D. It can be based on the as-path.
- E. It can be based on distance.
Answer : AB
Question 13
Which three parameters must match to establish OSPF neighbor adjacency? (Choose three.)
- A. the process ID
- B. the hello interval
- C. the subnet mask
- D. authentication
- E. the router ID
- F. the OSPF interface priority
Answer : BCD
Question 14
DRAG DROP -
Drag and drop the BGP attribute on the left to the correct category on the right.
Select and Place:
Answer : 
Question 15
Which statement about route summarization is true?
- A. EIGRP and RIPv2 route summarization are configured with the ip summary-address command under the route process.
- B. It can be disabled in RIP, RIPv2, and EIGRP.
- C. RIPv2 can summarize routes beyond the classful network boundary.
- D. EIGRP can summarize routes at the classful network boundary.
Answer : D