300-510 · Question #288
300-510 Question #288: Real Exam Question with Answer & Explanation
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Question
The engineering team at ISP_1 must improve network stability time and minimize the impact of routing instabilities from other domains to unicast transit services in the backbone R1 is part of an OSPF-enabled network, and acts as an ASBR connected via interface Gi0/1 to the external domain. The OSPF exponential backoff algorithm RFC 3623 with helper mode is already implemented on R1. Which additional configuration must the ISP_1 team apply to suppress routing instability for 3 minutes'?
Options
- AConfigure ip ospf resync-timtout 180 under the Gi0'1 interface configuration
- BConfigure ip ospf timer nsf interval 3 under the global Gi0'1 interface configuration
- CConfigure nsf ittf restart-inttrval 180 under the global OSPF configuration
- DConfigure nsf ospf wait 3 under the global OSPF configuration
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