300-425 Question 23
Select 3A company is deploying a wireless solution for its branch offices that prioritize direct internet access for cloud applications while ensuring critical corporate traffic is routed securely through the corporate network. To achieve this, they have configured split tunneling on their wireless controllers. During a network failure impacting the corporate data center, what happens to the traffic and how can fault tolerance be ensured in this scenario?
- A
Cloud application traffic continues to flow directly to the internet due to split tunneling.
- B
Corporate traffic is automatically rerouted via another corporate data center if a secondary tunnel is configured.
- C
All traffic will shift to tunneling through the nearest available wireless controller.
- D
Corporate traffic fails completely if no fault tolerance mechanism is in place.
- E
Split tunneling disables fault tolerance for corporate traffic by design.
Show answer and explanation
Correct answers: A, B, D
Explanation
Split tunneling enables traffic optimization by allowing cloud application traffic to bypass the corporate network, ensuring continued access to cloud services during outages. However, corporate traffic depends on the availability of tunnels to the corporate network. Configuring a secondary tunnel or backup solution ensures fault tolerance for critical corporate traffic. Without this, corporate traffic will fail during data center outages.
- A. Correct.
Correct: Split tunneling allows cloud traffic to bypass the corporate network and go directly to the internet, ensuring continued connectivity for cloud services even during network issues.
- B. Correct.
Correct: If a secondary tunnel is pre-configured, corporate traffic can be rerouted to another available corporate data center, providing fault tolerance.
- C. Incorrect.
Incorrect: Split tunneling does not redirect all traffic to the nearest wireless controller; it separates traffic based on defined policies.
- D. Correct.
Correct: If no fault tolerance mechanisms (like a backup tunnel) are in place, corporate traffic will fail when the primary corporate data center is unreachable.
- E. Incorrect.
Incorrect: Split tunneling does not inherently disable fault tolerance but requires proper configuration for corporate traffic resiliency.