Nokia 4A0-C02 Nokia SRA Composite Exam Online Training
Nokia 4A0-C02 Online Training
The questions for 4A0-C02 were last updated at May 10,2025.
- Exam Code: 4A0-C02
- Exam Name: Nokia SRA Composite Exam
- Certification Provider: Nokia
- Latest update: May 10,2025
Click the exhibit.
Router R3 is configured with an import policy to reject updates with an AS Path matching the regular expression ".+ 65540".
Which of the following regarding updates originating in AS 65540 is TRUE?
- A . Router R3 rejects all updates originating in AS 65540.
- B . Router R3 accepts updates received from router R1 and rejects updates transited through router R2.
- C . Router R3 accepts updates transited through router R2 and rejects updates received from router R1.
- D . Router R3 accepts updates from both routers R1 and R2.
Which of the following statements regarding route reflectors is TRUE?
- A . Route reflectors propagate BGP learned routes to their clients.
- 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.
Click the exhibit.
Given the following configuration of router R1, what can be said about the function of each of AS 65540s routers?
- A . Routers R1 and R2 are redundant route reflectors with clients R3 and R4.
- B . Routers R3 and R4 are route reflectors with clients R1 and R2.
- C . Router R1 is a route reflector with clients R2, R3 and R4.
- D . Router R1 is a route reflector with clients R3 and R4.
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?
- A . Configure router bgp shutdown
- B . Clear router bgp neighbor <ip-address> soft
- C . Clear router bgp neighbor <ip-address> soft-inbound
- D . Clear router bgp protocol
Assuming that "client1" and "client2" are directly-connected networks, what is the result of executing the following BGP export policy?
- A . "client2" routes will be only tagged with communities ‘East” and "South".
- B . "client2" routes will be tagged with community "East".
- C . "client2" routes will only be tagged with community "South".
- D . "client2" routes will be rejected.
Click the exhibit.
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.
Click the exhibit.
Given that ISP 1 and ISP 2 are Tier 2 providers, and that ISP 3 and ISP 4 are Tier 1 providers, what is the most likely relationship between ISP 1 and the other ISPs?
- A . ISP 1 has a peering relationship with ISP 2 and ISP 4.
- B . ISP 1 has a peering relationship with ISP 2 and a transit relationship with ISP 3.
- C . ISP 1 has a peering relationship with ISP 2 and ISP 3.
- D . ISP 1 has a transit relationship with ISP 2 and ISP 4.
- E . ISP 1 has a transit relationship with ISP 2 and a peering relationship with ISP 3.
Which of the following prefix-lists is the most specific match for prefixes 192.168.64.1/20 and 192.168.32.5/19?
- A . Prefix 192.168.0.0/17 longer.
- B . Prefix 192.168.0.0/19 longer.
- C . Prefix 192.168.96.0/19 longer.
- D . Prefix 192.168.0.0/18 longer.
Which of the following regarding BGP Path Identifier is FALSE?
- A . Path-ID is a four-octet identifier pre-pended to the NLRI field of a BGP update.
- B . Path-ID is an optional transitive attribute used to advertise multiple paths.
- C . Path-ID uniquely identifies each path advertised to a neighbor.
- D . A BGP speaker that re-advertises a route must generate its own Path-ID.
Click the exhibit.
Routers RR1 are RR2 are redundant route reflectors for clients R3 and R4.
Which of the following is a valid configuration on router R3?
- A . Option A
- B . Option B
- C . Option C
- D . Option D
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