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Exam AWS Certified Solutions Architect - Associate SAA-C02 topic 1 question 407 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C02
Question #: 407
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C02 Questions]

A company is using Site-to-Site VPN connections for secure connectivity to its AWS Cloud resources from on premises. Due to an increase in traffic across the
VPN connections to the Amazon EC2 instances, users are experiencing slower VPN connectivity.
Which solution will improve the VPN throughput?

  • A. Implement multiple customer gateways for the same network to scale the throughput.
  • B. Use a transit gateway with equal cost multipath routing and add additional VPN tunnels.
  • C. Configure a virtual private gateway with equal cost multipath routing and multiple channels.
  • D. Increase the number of tunnels in the VPN configuration to scale the throughput beyond the default limit.
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by dmscountera at March 11, 2021, 7:19 p.m.
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EricLIM
Highly Voted 3 years, 7 months ago
ANS Is be here explain all https://aws.amazon.com/blogs/networking-and-content-delivery/scaling-vpn-throughput-using-aws-transit-gateway/
upvoted 47 times
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jkwek
Highly Voted 3 years, 6 months ago
Answer is B. https://aws.amazon.com/blogs/networking-and-content-delivery/scaling-vpn-throughput-using-aws-transit-gateway/ With AWS Transit Gateway, you can simplify the connectivity between multiple VPCs and also connect to any VPC attached to AWS Transit Gateway with a single VPN connection. AWS Transit Gateway also enables you to scale the IPsec VPN throughput with equal cost multi-path (ECMP) routing support over multiple VPN tunnels. A single VPN tunnel still has a maximum throughput of 1.25 Gbps. If you establish multiple VPN tunnels to an ECMP-enabled transit gateway, it can scale beyond the default limit of 1.25 Gbps.
upvoted 45 times
eoarikan
3 years, 4 months ago
Exactly! So you're basically suggesting that we provision more VPN tunnels, which is D
upvoted 3 times
allanm
2 years, 8 months ago
Wow, way to cherry pick your own answer without any evidence behind it!
upvoted 2 times
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rude7
Most Recent 2 years, 8 months ago
Selected Answer: B
The debate seems to be between B and D. D addresses only the addition of extra tunnels but does adequately handle routing/scaling which is covered in B (of course with the note that the tunnels need to be added). Answer: B
upvoted 2 times
rac_sp
2 years, 7 months ago
correct both answers are correct but one is more correct that the other :-)
upvoted 1 times
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cocieto
2 years, 8 months ago
Selected Answer: D
DDDDDDDDDDD
upvoted 2 times
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queen101
2 years, 8 months ago
BBBBBBB.Transit Gateway
upvoted 1 times
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Alfene
2 years, 9 months ago
I am going for B
upvoted 1 times
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marklovesaws143
2 years, 9 months ago
Selected Answer: B
BBBBBBBBBBBBBB
upvoted 1 times
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jyrajan69
2 years, 9 months ago
Read the doc, VPN tunnel still has a maximum throughput of 1.25 Gbps. If you establish multiple VPN tunnels to an ECMP-enabled transit gateway, it can scale beyond the default maximum limit of 1.25 Gbps. Multiple VPN Tunnels, one is not going to do anything, go with D
upvoted 3 times
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naveenagurjara
2 years, 10 months ago
Selected Answer: B
Multiple CGWYs only provide failover not aggregated throughput to improve response times.
upvoted 1 times
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naveenagurjara
2 years, 10 months ago
B. A business uses Site-to-Site VPN connections.... **Connections** imply more than one VPN..so use TGW to aggregate and ECMP
upvoted 1 times
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slcheng
2 years, 10 months ago
Selected Answer: B
Answer is B. https://aws.amazon.com/blogs/networking-and-content-delivery/scaling-vpn-throughput-using-aws-transit-gateway/
upvoted 3 times
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alimsyed
3 years ago
Selected Answer: B
because EricLIM shared the link!
upvoted 1 times
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saifeddine92
3 years, 2 months ago
Selected Answer: B
B is right, u can add multiple VPN connections when using Transit Gateway to increase throughput
upvoted 1 times
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muxopancy
3 years, 3 months ago
Selected Answer: B
B is correct
upvoted 1 times
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envest
3 years, 3 months ago
IMO: B ist correct: https://aws.amazon.com/blogs/networking-and-content-delivery/scaling-vpn-throughput-using-aws-transit-gateway/
upvoted 1 times
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monazir
3 years, 4 months ago
Selected Answer: B
B is answer
upvoted 1 times
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NS2986
3 years, 4 months ago
Selected Answer: B
transit gateway
upvoted 1 times
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