Nokia 4A0-C02 Nokia SRA Composite Exam Online Training
Nokia 4A0-C02 Online Training
The questions for 4A0-C02 were last updated at Feb 02,2025.
- Exam Code: 4A0-C02
- Exam Name: Nokia SRA Composite Exam
- Certification Provider: Nokia
- Latest update: Feb 02,2025
Click the exhibit.
If router A originates a BGP route for prefix 192.168.0.1/27, what will the update contain when it reaches router B?
- A . AS Path of 65200, Next Hop of router A, Origin of IGP.
- B . AS Path of 65200, Next Hop of router A, Origin of incomplete.
- C . Null AS Path, Next Hop of router A, Origin of IGP.
- D . Null AS Path, Next Hop of router A, Origin of incomplete.
Which of the following behaviors regarding the modification of BGP attributes within a confederation is TRUE?
- A . Next Hop is modified when crossing member AS boundaries within a confederation.
- B . Origin Code is modified when crossing member AS boundaries within a confederation.
- C . AS Path is modified when crossing member AS boundaries within a confederation.
- D . None of the well known mandatory attributes is modified within a confederation.
An Alcatel-Lucent 7750 SR receives two updates for the same route with local preferences 200 and 300, respectively.
What local preference is sent to eBGP peers?
- A . 100
- B . 200
- C . 300
- D . None
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.
Click the exhibit.
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 R1?
- A . Option A
- B . Option B
- C . Option C
- D . Option D
BGP is configured on two peers, routers A and
B. Router A is configured with a Hold Time timer of 60 seconds and a Keepalive timer of 25 seconds. Router B is configured with a Hold Time timer of 90 seconds and a Keepalive timer of 70 seconds.
What will the active Keepalive timer be on router B?
- A . 70 seconds
- B . 25 seconds
- C . 20 seconds
- D . 30 seconds
Which of the following AS Paths will match the regular expression "65100."?
- A . "65100"
- B . "65100 65200”
- C . "65200 65100"
- D . "65100 65250 65200"
Click the exhibit.
Routers RR1 and RR2are route reflectors with clients R1x and R2x, respectively. Routers RR1 and RR2 are non-clients of each other, and router R1 is a non-client of both.
Which of the following regarding BGP sessions in AS 65540 is TRUE?
- A . Router R1must have at least one BGP session to each of routers R1x and R2x.
- B . Routers R1, RR1 and RR2 must be fully meshed.
- C . Routers R1x and R2x must have at least one BGP session between them.
- D . Routers R1x as well as routers R2x must be fully meshed.
Click the exhibit.
AS 65550 owns CIDR block 10.64.0.0/12. Router R3 is advertising Client1 and Client2 networks into BGP. Router R6 advertises the aggregate 10.64.0.0/12 to AS 65541 with "summary-only" enabled.
Which of the following routes are received by router R7?
- A . Client1, Client2 and the aggregate.
- B . Only the aggregate.
- C . Only Client1 and the aggregate.
- D . Only Client2 and the aggregate.
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.
- D . The AS Path is set to 65550, and the Atomic Aggregate flag is not set.
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