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Question 35 - JN0-280 discussion

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Which three technologies improve high availability and convergence in a data center network? (Choose three.)

A.

graceful restart (GR)

Answers
A.

graceful restart (GR)

B.

Bidirectional Forwarding Detection (BFD)

Answers
B.

Bidirectional Forwarding Detection (BFD)

C.

link loss adjacency

Answers
C.

link loss adjacency

D.

Failover Group (FG)

Answers
D.

Failover Group (FG)

E.

link aggregation group (LAG)

Answers
E.

link aggregation group (LAG)

Suggested answer: A, B, E

Explanation:

High availability and fast convergence are critical in data center networks to minimize downtime and maintain optimal performance. The following technologies contribute to achieving these goals:

Graceful Restart (GR):

GR allows routers to maintain forwarding state during control plane restarts, ensuring continuous packet forwarding while minimizing network disruptions.

Bidirectional Forwarding Detection (BFD):

BFD provides fast detection of path failures, allowing routing protocols to converge quickly by detecting link failures much faster than traditional timers.

Link Aggregation Group (LAG):

LAG increases both redundancy and bandwidth by combining multiple physical links into one logical link, providing load balancing and fault tolerance.

Juniper

Reference:

High Availability Techniques: These technologies are fundamental in ensuring rapid recovery and failover within Juniper-based data center environments.

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asked 10/10/2024
Duane Innmon
24 questions
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