Amazon Web Services AWS Certified Solutions Architect - Professional SAP-C02 Question # 142 Topic 15 Discussion
SAP-C02 Exam Topic 15 Question 142 Discussion:
Question #: 142
Topic #: 15
Question:
A company is deploying a newbig data analytics clusteracross multiple Availability Zones. All nodes must haveread/write access to shared file storagethat ishighly available,POSIX-compatible, andhigh-throughput.
A.
Use AWS Storage Gateway (file gateway) backed by Amazon S3
B.
Use Amazon EFS in General Purpose performance mode
Dis the right choice:EFS with Max I/O modeis designed formassively parallel workloadslike big data. It supports high throughput and concurrent access from many EC2 nodes across AZs.
A(Storage Gateway) is not optimized for high-performance, low-latency compute clusters.
Bis limited in performance (latency optimized for single-threaded workloads).
C(EBS) cannot be shared across AZs and is not POSIX-compatible for concurrent multi-node access.
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