Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021

2. The safer , easier way to help you pass any IT exams. 1.Click the exhibit. Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021 Assume all router-IDs are properly configured, and global IPv6 addresses are used to establish eBGP sessions. Which of the following configurations is required on router A so that router B can exchange traffic with router D? 2 / 23

3. The safer , easier way to help you pass any IT exams. Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021 2.Based on the default settings for the Alcatel-Lucent 7750 SR, when a policy change is made and committed, what action is required by the user for the change to take effect? A. Execute a command to re-evaluate all routes in the Local-RIB against the configured export policies. B. Execute a command to re-evaluate all routes in the RIB-In against the configured import policies. C. Execute a command to reset the BGP session with the affected peer or peers. D. No further action is required. Answer: D A. Option A B. Option B C. Option C D. Option D Answer: A 3.An Alcatel-Lucent 7750 SR receives two updates for the same route with local preferences 200 and 300, respectively. 3 / 23

4. The safer , easier way to help you pass any IT exams. What local preference is sent to eBGP peers? A. 100 B. 200 C. 300 D. None Answer: D 4.Which of the following regarding route reflectors is TRUE? A. Only the route reflector is configured with a cluster id. B. There can only be one route reflector in a cluster. C. Clients should have iBGP sessions with each other to maintain the mesh. D. There can only be one level of route reflectors in the topology. Answer: A Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021 Assume all router-IDs are properly configured, and IPv6 link-local addresses are used to establish all eBGP sessions. Given the following iBGP configuration on router A, what is the Next Hop for prefix 2001:DB8:A:401::1/128 on router B? 5.Which of the following statements about the BGP Advertise External feature is FALSE? A. It modifies the BGP advertisement logic. B. It improves convergence times and allows for better load sharing. C. It allows a router to advertise multiple external paths for a single prefix. D. It supports both IPv4 and IPv6. Answer: C 6.Click the exhibit. 4 / 23

5. The safer , easier way to help you pass any IT exams. A. The IPv6 link-local address of the router D interface towards router A. B. The IPv6 link-local address of the router A interface towards router D. C. The IPv6 global address of router A. D. The IPv6 global address of router D. Answer: C Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021 AS 65550 owns the CIDR block 10.64.0.0/12. Router R4 advertises the aggregate 10.64.0.0/12 to AS65540. Which of the following is TRUE regarding the aggregate route advertisement? A. The aggregator attribute will not be present, and the atomic aggregate flag will not be set. B. The aggregator attribute will not be present, and the atomic aggregate flag will be set. C. The aggregator attribute will be present, and the atomic aggregate flag will not be set. D. The aggregator attribute will be present, and the atomic aggregate flag will be set. Answer: C 7.Click the exhibit. 8.Which regular expression will match the AS Path of a route originating in remote AS 65100? 5 / 23

6. The safer , easier way to help you pass any IT exams. A. ".+ 65100" B. "65100.+" C. ".* 65100.*" D. "65100" Answer: A 9.Which of the following is TRUE? A. There can only be one community associated with a route. B. Community is an optional non-transitive attribute. C. Community is an optional transitive attribute. D. Community is a well-known discretionary attribute. Answer: C Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021 10.An Alcatel-Lucent 7750 SR receives a route from an eBGP peer without a MED. What MED value is sent to iBGP peers? A. 100 B. 250 C. The IGP cost D. None Answer: D 11.Assuming that "client1" and "client2" are directly-connected networks, what is the result of executing the following BGP export policy? 6 / 23

7. The safer , easier way to help you pass any IT exams. Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021 B. The local system is exchanging Update messages with its neighbor. C. The local system has sent a Keepalive message to its neighbor and is waiting to receive one back. D. The local system has sent an Open message to its neighbor and is waiting to receive one back. Answer: C A. "client1" routes will be tagged with communities "North" and "West". B. "client1" routes will be tagged with community "West". C. "client1" routes will be tagged with community "North". D. "client1" routes will be rejected. Answer: C 12.Which of the following is TRUE if the local state of BGP is OpenConfirm? A. The local system has received a Keepalive message and is ready to exchange updates. 13.How is the aggregator attribute handled with 32-bit AS numbers? A. With the same method and attribute as 16-bit AS numbers. B. With the same method as 16-bit AS numbers, but using the AS4_Aggregator attribute. C. Aggregation is not yet supported with 32-bit AS numbers. D. By using a dummy value of 23456 in the 16-bit AS aggregator field. This value lets the router know it needs to read the 32-bit AS number that is contained in the nextTLV. 7 / 23

8. The safer , easier way to help you pass any IT exams. Answer: B 14.A router in AS 65100 receives three routes for 138.120.0.0/16. The first route has an AS Path of 65200 65400 65300 and a local preference of 150. The second route has an AS Path of 65200 65300 and a local preference of 100. The third route has an AS Path of 65600 65300 and a local preference of 100. Which route will appear in the RIB-out? A. Only the first route will appear in the RIB-Out. B. Only the second route will appear in the RIB-Out. C. Only the third route will appear in the RIB-Out. D. All routes will appear in the RIB-Out. Answer: A Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021 15.Which of the following routes is NOT considered an internal route? A. A route received from a BGP peer within the same AS. B. A route originated by a router in a different cluster of the same AS. C. A route received from a BGP peer from a different member AS of a confederation. D. A route received from a BGP peer from the same member AS of a confederation. Answer: C 16.Click the exhibit. AS 65550 owns CIDR block 10.64.0.0/12. Router R6 advertises the aggregate 10.64.0.0/12 to AS 65541 with "as-set" enabled. Which of the following is TRUE regarding the aggregate route received by router R7? A. The AS Path is set to 65540, and the Atomic Aggregate flag is set. B. The AS Path is set to 65540 65550, and the Atomic Aggregate flag is set. C. The AS Path is set to 65540 65550, and the Atomic Aggregate flag is not set. 8 / 23

9. The safer , easier way to help you pass any IT exams. D. The AS Path is set to 65550, and the Atomic Aggregate flag is not set. Answer: C 17.Click the exhibit. Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021 Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6. Assuming that none of the routers in AS 65540 is configured with "advertise-external", what is the expected output of "show router bgp routes" on router R5? 9 / 23

10. The safer , easier way to help you pass any IT exams. Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021 A. Option A B. Option B C. Option C D. Option D Answer: C 10 / 23

11. The safer , easier way to help you pass any IT exams. 18.Click the exhibit. Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021 Routers RR1 are RR2 are redundant route reflectors for clients R3 and R4. Which of the following is a valid configuration on router RR1? 11 / 23

12. The safer , easier way to help you pass any IT exams. Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021 A. Option A B. Option B C. Option C D. Option D Answer: C 19.Which of the following organizations would an ISP based in Europe approach for an IP prefix 12 / 23

13. The safer , easier way to help you pass any IT exams. assignment? A. ARIN B. ICANN C. RIPE NCC D. LACNIC E. APNIC Answer: C 20.Click the exhibit. Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021 C. "65200 65100" D. "65100 65250 65200" Answer: B Routers RR1 and RR2 are route reflectors with the same Cluster-ID. When the update for prefix 192.168.1.0/27 is received at router RA2, what are the Originator_ID and Cluster_List attributes? A. Originator_ID of RR1; and Cluster_List of 10.16.10.1. B. Originator_ID of RX; and Cluster_List of 10.16.10.1. C. Originator_ID of RR1; and the Cluster_List is not set. D. Neither the Originator_ID nor the Cluster_List is set. Answer: D 21.Which of the following AS Paths will match the regular expression "65100."? A. "65100" B. "65100 65200'' 22.An Alcatel-Lucent 7750 SR has the BGP configuration shown below. 13 / 23

14. The safer , easier way to help you pass any IT exams. Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021 Assuming the router has established BGP sessions to routers R1 and R2, which of the following is TRUE? A. Both neighbors R1and R2 should be part of AS 65540. B. Neighbor R1should be part of AS 65550, while neighbor R2 should be part of AS 65540. C. Neighbor R1should be part of AS 65550, while neighbor R2 should be part of AS 65560. D. Both neighbors R1and R2 should be part of AS 65560. Answer: C 23.Which of the following is the minimum requirement for an AS to be considered multi-homed? A. A single connection to a single service provider. B. Two connections to a single service provider. C. Two connections to two different service providers. D. Multiple connections to different service providers. Answer: B 24.What will happen if an update is received with an unrecognized optional non-transitive attribute? A. The router will accept the update and send a notification. B. The router will not accept the update and send a notification. C. The router will accept the update and ignore the attribute. D. The router will accept the update and propagate the attribute. Answer: C 25.Which of the following regarding the atomic aggregate attribute is TRUE? A. It is an optional transitive attribute. B. It is an optional non-transitive attribute. C. The atomic aggregate flag is always set if the aggregator attribute is set. D. The atomic aggregate flag is always set if the AS Path information is lost due to aggregation. Answer: D 26.An autonomous system has 7 routers configured with BGP. How many iBGP sessions are required for a fully meshed configuration? 14 / 23

15. The safer , easier way to help you pass any IT exams. A. 7 B. 13 C. 21 D. 42 Answer: C 27.Which of the following is FALSE regarding the 16-bit public autonomous system numbers? A. They are allocated to the RIRs by ICANN/IANA. B. They are used when connecting ASs on the Internet. C. They range from 1 to 56319. D. They are assigned by the ISPs for enterprise networks. Answer: D Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021 28.When an Alcatel-Lucent 7750 SR receives a BGP route with an AS Path loop, what action is taken by default? A. The route is ignored. B. The route is flagged as invalid and placed in the LOC-RIB. C. The route is flagged as invalid and placed in the RIB-In. D. The route is flagged as invalid and placed in the RIB-Out. Answer: C 29.Which of the following statements regarding BGP Add-Paths is FALSE? A. Add-Paths allows non-best paths to be advertised to a peer. B. Add-Paths capabilities are exchanged between peers after the BGP session is established. C. A BGP speaker must advertise the capability to receive multiple paths from its peer. D. A BGP speaker must advertise the capability to send multiple paths to its peer. Answer: B 30.Click the exhibit. Router R6 is a route reflector with clients R1, R2 and R5. Router R3 advertises the prefix 192.168.1.0/27 to routers R1, R2 and R5. 15 / 23

16. The safer , easier way to help you pass any IT exams. How many routes for prefix 192.168.1.0/27 will router R6 receive? A. 1 B. 2 C. 3 D. None Answer: C 31.Click the exhibit. Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021 B. Only the second route will appear in the RIB-In. C. Only the third route will appear in the RIB-In. D. All routes will appear in the RIB-In. Answer: D Over which BGP session will router B learn the 10.1.1.0/24 prefix? A. The session between router A and router B. B. The session between router C and router B. C. The session between router D and router B. D. Router B will learn the prefix over all of the sessions, then it will choose the best route. Answer: A 32.A router in AS 65100 receives three routes for 138.120.0.0/16. The first route has an AS Path of 65200 65400 65300 and a local preference of 150. The second route has an AS Path of 65200 65300 and a local preference of 100. The third route has an AS path of 65600 65300 and a local preference of 200. Which route will appear in the RIB-In? A. Only the first route will appear in the RIB-In. 33.Click the exhibit. 16 / 23

17. The safer , easier way to help you pass any IT exams. Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021 35.Which of the following is considered a best practice for BGP address planning? A. Advertising external networks into IGP. B. Using system addresses for setting up iBGP sessions. C. Exporting the networks associated with the external links of eBGP peers into BGP. D. Optimizing BGP route table by exporting IGP routes into BGP. Answer: B Assuming a full iBGP mesh in ISP 1, how does router R1 in ISP 1 handle a BGP update received from ISP 2? A. The update is sent to router R2 in ISP 1. B. The update is sent to routers R2 and R3 in ISP 1. C. The update is sent to all routers in ISP 1. D. The update is sent to routers R2 and R3 in ISP 1, and to router R3 in ISP 2. Answer: C 34.What is the default Alcatel-Lucent 7750 SR TTL of a BGP advertisement between confederation members? A. 1 B. 32 C. 64 D. 255 Answer: A 36.Assuming that "client1" and "client2" are directly-connected networks, what is the result of executing the following BGP policy? 17 / 23

18. The safer , easier way to help you pass any IT exams. Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021 B. Route reflectors require "n" iBGP sessions, where "n" is the number of BGP routers in the AS. C. Route reflectors disable iBGP split horizon for all iBGP peers in the AS. D. Route reflectors do not work in conjunction with confederations. Answer: A A. "client2" routes will be tagged with communities "West" and "North". B. "client2" routes will be tagged with communities "West", "North" and "South". C. "client2" routes will be tagged with community "West". D. "client2" routes will be tagged with community "South". Answer: C 37.Which of the following statements regarding route reflectors is TRUE? A. Route reflectors propagate BGP learned routes to their clients. 38.A confederated AS is comprised of three members. One member is comprised of 4 routers, while the other two members are comprised of 3 routers each. Assuming member ASs are fully meshed and use full mesh iBGP, what is the required number of BGP sessions within the confederation? A. 12 B. 13 18 / 23

19. The safer , easier way to help you pass any IT exams. C. 14 D. 15 Answer: D 39.Which of the following about a single-homed AS is FALSE? A. A single-homed AS is also known as a stub AS. B. A single-homed AS is also known as a leaf AS. C. A single-homed AS uses either the ISP AS number or a private AS number. D. A single-homed AS can be either transit or non-transit Answer: D Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021 C. BGP routes 192.168.1.0/27 and 192.168.2.0/27 are advertised, and 192.168.0.0/16 appears as a "Blackhole" route in the route table only. D. The given export policy is invalid. Answer: C 40.Which of the following commands would correctly configure the confederation AS number as 65200 with a member AS of 65202? A. config>router- confederation 65200 members 65202 B. config>router>bgp= confederation 65200 members 65202 C. config>router= confederation 65202 members 65200 D. config>router>bgp= confederation 65202 members 65200 Answer: A 41.A BGP router has loopback interfaces 192.168.1.1/27 and 192.168.2.1/27 advertised into BGP using the following export policy. The "aggregate 192.168.0.0/16" command is executed. What is the effect of this configuration? A. A single route for 192.168.0.0/16 is advertised. B. BGP routes 192.168.1.0/27, 192.168.2.0/27, and 192.168.0.0/16 are advertised. 42.Which of the following regarding BGP authentication on the Alcatel-Lucent 7750 SR is FALSE? A. Authentication is performed before establishing the BGP session. B. Authentication can only be configuredon the group or neighbor level. C. By default, MD5 authentication is disabled. D. Peer authentication may be optionally requested in an open message. Answer: B 19 / 23

20. The safer , easier way to help you pass any IT exams. 43.Which of the following describes BGP route processing on the Alcatel-Lucent 7750 SR? A. If no import policy is specified, all valid BGP routes are passed to the BGP route selection process. B. If no export policy is specified, all non-BGP routes are populated into RIB-Out. C. If no import policy is specified, all BGP routes are populated into the route table. D. If no import policy is specified, only valid BGP routes are populated into RIB-Out. Answer: A 44.Which of the following statements regarding BGP FRR is FALSE? A. The router must receive several BGP routes to compute a backup path. B. BGP FRR can be triggered by BFD. C. The backup path can use the same next hop as the primary path. D. BGP peer-tracking can be used to improve BGP FRR failure detection times. Answer: C Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021 45.Click the exhibit. Router R1 is a route reflector with clients R2, R5 and R6. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6. Assuming that routers R1, R2 and R4 are configured with "add-paths ipv4 send 2 receive", what is the expected output of "show router bgp routes" when executed on router R2? 20 / 23

21. The safer , easier way to help you pass any IT exams. Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021 A. Option A B. Option B C. Option C D. Option D Answer: A 21 / 23

22. The safer , easier way to help you pass any IT exams. 46.Click on the exhibit. AS 65540 is using MPLS to provide BGP shortcuts for its iBGP routing. AS 65541 is advertising prefix 192.168.1.0/27 into BGP. Which routers have the BGP update for the advertised prefix in their BGP table? A. Routers R1, R2, R3, R4 and R5. B. Routers R1and R4 only. C. Routers R1, R2, R3 and R4 only. D. Routers R1, R4 and R5 only. Answer: D Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021 AS 65540 is using MPLS to provide BGP shortcuts for its iBGP routing. Which routers must be configured with the "configure router bgp igp-shortcuts rsvp-te" command? A. Routers R6, R1, R4 and R5. B. Routers R1and R4. C. Routers R1, R2, R3 and R4. D. Routers R2 and R3. Answer: B 47.Which of the following statements regarding BGP control plane convergence is FALSE? A. Core and edge node failure recovery depends on IGP convergence. B. Edge neighbor failure is detected by the eBGP session timeout. C. BGP control plane convergence is independent of number of affected prefixes. D. Upon BGP control plane convergence, an optimal path is installed in the FIB. Answer: C 48.Click on the exhibit. 49.An Alcatel-Lucent 7750 SR is configured with an export policy to redistribute its directly-connected networks into BGP. 22 / 23

23. The safer , easier way to help you pass any IT exams. Which of the following databases contains the routes for these networks? A. The routes are in the RIB-In. B. The routes are in the Loc-RIB. C. The routes are in the RIB-Out. D. The routes are not in any of the BGP databases. Answer: C 50.Which of the following statements regarding BGP shortcuts is FALSE? A. MPLS tunnels are used to carry transit traffic across the network. B. A full mesh of iBGP peering sessions is not required, C. Edge and transit routers need to be configured with BGP. D. The transit routers need to support LDP or RSVP-TE LSPs. Answer: C Nokia SRA Composite Exam 4A0-C02 Practice Test V8.02 Killtest 2021 23 / 23