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Free Nokia 4A0-102 Actual Exam Questions
The questions for this exam were last updated on January 7, 2026
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Upon the successful establishment of a TCP session between peers, what type of BGP message is exchanged?
Select one option, then reveal solution.
Question No. 2
Click on the exhibit. 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?
Select one option, then reveal solution.
Question No. 3
Consider two Alcatel-Lucent 7750 SRs in AS 65540. Router R1 has system address 10.10.10.1, and router R2 has system address 10.10.10.2. Which of the following configurations on router R2 can establish a BGP session with router R1?
Select one option, then reveal solution.
Question No. 4
Which of the following commands would correctly configure the confederation AS number as 65200 with a member AS of 65202?
Select one option, then reveal solution.
Question No. 5
Click the exhibit. AS 65100 is advertising 192.168.1.0/27 into BGP. Which of the following AS Paths would the prefix 192.168.1.0/27 contain when viewed on router R7?
Select one option, then reveal solution.
Question No. 6
Click the exhibit. When router A receives the BGP update for the 192.168.0.1/27 prefix, it propagates it to routers B and C. What action is taken by router B when it receives the update?
Select one option, then reveal solution.
Question No. 7
When an Alcatel-Lucent 7750 SR receives a BGP route with an AS Path loop, what action is taken by default?
Select one option, then reveal solution.
Question No. 8
Which of the following statements regarding BGP shortcuts is FALSE?
Select one option, then reveal solution.
Question No. 9
Click the exhibit. Router R2 is advertising prefix 192.168.1.0/27 with community "no-advertise" towards AS 65002. Which routers receive an update for that prefix?
Select one option, then reveal solution.
Question No. 10
A router in AS 65100 receives two BGP routes. The first route is for 138.1.1.0/24 with an AS Path of 65200 65300, Local Preference of 100, MED of 100, and router ID 10.10.10.10. The second route is for 138.1.0.0/16 with an AS Path of 65500 65300, Local Preference of 150, MED of 100, and router ID 10.1.1.1. Assuming all other attributes are equal, which route would be used to forward an IP packet with destination IP address 138.1.1.1?
Select one option, then reveal solution.
Question No. 11
The user of an Alcatel-Lucent 7750 SR wants to see the effect of changing an import policy immediately. What is the best command to force re-evaluation of the import policy with minimal impact?
Select one option, then reveal solution.
Question No. 12
Which of the following is FALSE regarding the 16-bit public autonomous system numbers?
Select one option, then reveal solution.
Question No. 13
Two Alcatel-Lucent 7750 SRs are established BGP peers with the following add-paths configuration: R1: configure router bgp add-paths ipv4 send 4 receive R2: configure router bgp add-paths ipv4 send 2 If router R1 advertises three routes for a given prefix X, how many routes is router R2 expected to have for prefix X?
Select one option, then reveal solution.
Question No. 14
Click the exhibit. An update travels from AS 135000 to AS 137000, traversing both 32-bit and 16-bit AS paths. What will the AS Path be when the update reaches AS 137000?
Select one option, then reveal solution.
Question No. 15
Click the exhibit. An update travels from AS 137000 to AS 135000, traversing both 32-bit and 16-bit AS Paths. What AS Path is seen by AS 200?
