Service Provider Routing and Switching, Professional (JNCIP-SP) v1.0
Question 1
Click the Exhibit button.
Referring to the exhibit, which two statements are correct regarding the output shown in the exhibit? (Choose two.)
- A. The multicast group is an ASM group.
- B. The multicast group is an SSM group.
- C. The multicast traffic is using the SPT.
- D. The multicast traffic is using the RPT.
Answer : AC
Question 2
Which two statements about IS-IS are correct? (Choose two.)
- A. CSNPs are flooded periodically.
- B. PSNPs are flooded periodically.
- C. PSNPs contain only descriptions of LSPs.
- D. CSNPs contain only descriptions of LSPs.
Answer : AD
Question 3
Which statement is correct about IS-IS when it performs the Dijkstra algorithm?
- A. The local router moves its own local tuples into the candidate database.
- B. When a new neighbor ID in the tree database matches a router ID in the LSDthe neighbor ID is moved to the candidate database.
- C. Tuples with the lowest cost are moved from the tree database to the LSDB.
- D. The algorithm will stop processing once the tree database is empty.
Answer : D
Question 4
You have an L2VPN connecting two CEs across a provider network that runs OSPF. You have OSPF configured on both CEs.
Which two statements are correct in this scenario? (Choose two.)
- A. OSPF neighborship is formed between the CEs and PEs.
- B. OSPF neighborship is formed between the two CEs.
- C. The CE and PE OSPF areas must match.
- D. The CE and PE OSPF areas can be different.
Answer : BD
Question 5
Click the Exhibit button.
R1 and R8 are not receiving each other's routes.
Referring to the exhibit, what are three configuration commands that would solve this problem? (Choose three.)
- A. Configure remove-private on advertisements from AS 64497 toward AS 64498.
- B. Configure as-override on advertisement from AS 64500 toward AS 64512.
- C. Configure remove-private on advertisements from AS 64500 toward AS 64499.
- D. Configure loops and advertise-peer-as on routers in AS 64497 and AS 64450.
- E. Configure loops on routers in AS 65412 and advertise-peer-as on routers in AS 64498.
Answer : ABD
Question 6
Click the Exhibit button.
After adding Customer C to your Layer 3 VPN. you must ensure that PE2 is receiving VPN routes for all customers attached to PE1, as shown in the exhibit.
Which operational command displays this information?
- A. show route table inet.0
- B. show route table bgp.l3vpn.0
- C. show route table customer-c.inet.0
- D. show route summary
Answer : B
Question 7
Click the Exhibit button.
You are configuring an interprovider Option C Layer 3 VPN to connect two customer sites.
Referring to the exhibit, which three statements are correct? (Choose three.)
- A. ASBR routers maintain the internal routes from its own AS, the loopback address from the other AS PEs, and the L3VPN routes.
- B. ASBR routers maintain the internal routes from its own AS and the loopback addresses from the other AS PEs.
- C. P routers maintain the internal routes from its own AS and the loopback address from the other AS PEs.
- D. P routers only maintain the internal routes from their own AS.
- E. PE routers maintain the internal routes from its own AS, the loopback address from the other AS Pes, and the L3VPN routes.
Answer : BDE
Question 8
Click the Exhibit button.
You have an EVI implemented between PE-1, PE-2, and PE-3 to allow communication between CE-1 and CE-2. CE-2 receives unicast traffic from CE-1 on both links to PE-2 and PE-3. When CE-1 sends broadcast traffic. CE-2 receives it on only one of the multihomed links.
Referring to the exhibit, which EVPN route type enables this behavior?
- A. Type 2
- B. Type 4
- C. Type 1
- D. Type 3
Answer : B
Question 9
Click the Exhibit button.
You have MAC addresses moving in your EVPN environment.
Referring to the exhibit, which two statements are correct about the sequence number? (Choose two.)
- A. It identifies MAC addresses that should be discarded.
- B. It resolves conflicting MAC address ownership claims.
- C. It is advertised using a Type 2 message.
- D. It helps the local PE to identify the latest advertisement.
Answer : BD
Question 10
Click the Exhibit button.
Referring to the exhibit, you must provide VRF Internet access over a single connection for VPN-A Site 1, which connects to PE-1.
Which two statements are correct in this scenario? (Choose two.)
- A. You must use the RIB group to move interface routes from the inet.0 table to the VPN-A.inet.0 table.
- B. You must use the RIB group to move a default route, which is learned through BGP, from the inet.0 table to the VPN-A.inet.0 table.
- C. You do not need to use the RIB group to move interface routes from the inet.0 table to the VPN-A.inet.0 table.
- D. You do not need to use the RIB group default route, which is learned through BGP, from the inet.0 table to the VPN-A.inet.0 table.
Answer : BC
Question 11
Click the Exhibit button.
PE-1 and PE-2 are configured with LDP-signaled pseudowires to provide connectivity between CE-1 and CE-2. You notice no connectivity exists between CE-1 and CE-2.
Referring to the exhibit, which two statements describe potential causes for this fault? (Choose two.)
- A. There is no LSP configured from PE-1 to PE-2.
- B. Interface ge-0/0/0 on PE-1 is down.
- C. The VC IDs are mismatched.
- D. There is no LSP configured from PE-2 to PE-1.
Answer : AD
Question 12
Which two statements are correct about reflecting inet-vpn unicast prefixes in BGP route reflection? (Choose two.)
- A. Clients add their originator ID when advertising routes to their route reflector.
- B. Route reflectors add their cluster ID to the AS path when readvertising client routes.
- C. Route reflectors do not change any existing BGP attributes by default when advertising routes.
- D. A BGP peer does not require any configuration changes to become a route reflector client.
Answer : CD
Question 13
Which three statements about IS-IS in a multi-area network are correct? (Choose three.)
- A. Internal L1 PDUs are flooded to all L1 routers in other areas.
- B. External L2 PDUs are only flooded to the local area’s L2 routers.
- C. Internal L1 PDUs are flooded to the local area’s L2 routers.
- D. External L2 PDUs are flooded to all L2 routers in other areas.
- E. Internal L1 PDUs are only flooded to the local area's L1 routers.
Answer : CDE
Question 14
Which two statements describe PIM-SM? (Choose two.)
- A. Routers without receivers must periodically prune themselves from the SPT.
- B. Traffic is only forwarded to routers that request to join the distribution tree.
- C. Traffic is initially flooded to all routers and an S,G is maintained for each group.
- D. Routers with receivers send join messages to their upstream neighbors.
Answer : BD
Question 15
Click the Exhibit button.
A network is using IS-IS for routing.
In this scenario, why are there two TLVs shown in the exhibit?
- A. There are both narrow and wide metric devices in the topology.
- B. Both IPv4 and IPv6 are being used in the topology.
- C. Wide metrics have specifically been requested.
- D. The interface specified a metric of 100 for L2.
Answer : A