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A company has a datacenter with a lot of electromagnetic interference. Their switches are 9m away from the FlashBlade and do NOT support speed faster than 10Gb/s.

Which cable should the architect use?

A.

Shielded ethernet cable. ***

B.

Passive Twinax cable.

C.

Fiber optic cable.

D.

Active Twinax cable.

How many rack units does a FlashBlade system with 39 blades consume?

A.

12

B.

14 ***

C.

20

D.

39

A high-profile trading company requires latency to be sub-millisecond for their trading algorithms to work properly. They are currently using Direct Attached Storage devices, which is cumbersome to administer. The company needs a network storage solution for which to run the application and store market data.

Why should the company use SAN as the solution?

A.

SAN has lower administrative overhead.

B.

Their network infrastructure is likely already built for SAN.

C.

A SAN can achieve the required latencies. ***

D.

The company needs a SAN to comply with rules and regulations.

A customer has a 7x52TB system and reports poor workload performance.

The customer provides the following information:

1.The customer has 4 host connecting using NFS.

2.The environment is running VMware with 300 VMs.

3.The FlashBlade is connected to the customer network using 4x40Gb/s links

What is causing this issue?

A.

The environment does NOT have enough concurrency to the FlashBlade.

B.

The environment does NOT have properly configured jumbo frames.

C.

The customer must buy more blade to improve performance. ***

D.

The customer must configure and optimal I/O size for the file system.

A customer map application is built with a containerized micro-service infrastructure that runs on Windows and accesses storage using SMB.

Each container is stateless, but every end user interaction leaves a set of small text and image files. Each directory keeps all daily transaction files. A process exists to manage file life cycle and periodically delete a directory.

The customer notices that as the customer base grows, the background deletion process backlog also grows. Which FlashBlade technology should be used to resolve this issue?

A.

Enabling concurrent data access for NFS and SMB.

B.

Enabling concurrent data access for NFS and HTTP.

C.

Enabling fast-remove for NFS and SMB. ***

D.

Reducing resource utilization for FlashBlade garbage collection.

An oil company moves geological data between their offices in Dubai and Houston for redundancy. The data is accessed via NFS mounts on a cluster of three 10GB connected Linux servers at each location.

A series of cron jobs are leveraged to replicate data from data storage pool A in Dubai to data storage B in Houston and from data storage A in Houston to data storage pool B in Dubai.

Data in storage pool A is read-write, updated by 50 cellular connected data collector running in the field, and deleted after 30 days.

Data in the storage pool B is read-only, queried by the firm’s analytics team, and copied to a cloud-based archive repository every 30 days.

The total amount of data in pool A in Dubai is 1.5PB

The total amount of data in pool B in Houston is 500TB

The data is not expected to grow in the next 12 months and is compressed by the application.

Which configuration should the architect present to meet this customer needs?

A . A Multi-Chassis FlashBlade with 52TB blades for each site focusing on simplicity.

B. A Multi-Chassis FlashBlade with 17TB blades for each site focusing on performance.

C. A Multi-Chassis FlashBlade with 52TB blades for each site and third-party replication software. ***

D. A Multi-Chassis FlashBlade with 17TB blades for each site and third-party replication software.

What is the maximum file size that is supported by the FlashBlade?

A.

32TiB

B.

64TiB ***

C.

70TiB

D.

84TiB

A architect is reading a customer’s network diagram and notices that they are using a SAS-based NAS for a 12TB physical database server.

What does this assume about the customer?

A.

They are cost sensitive.

B.

They are latency sensitive

C.

They are NOT concerned with database performance. ***

D.

They prefer storage with built-in data reduction.

The customer wants to build a software QA infrastructure using modern big data tools like Spark and Kafka. The goal is to process 50 billion events per day and provide feedback in real-time in less than 5 seconds.

The architect needs to create a FlashBlade configuration to meet the capacity and performance requirements using the following assumptions:

4 RSyslog servers accessing FlashBlade via NFS

6 servers accessing FlashBlade via S3

Capacity: 6TB + 18TB + 18TB

Each protocol will create a concurrent write and / or read throughput of 6GB/s

Which configuration should the architect use to meet these requirements?

A.

7x17TB

B.

12x17TB

C.

40x17TB

D.

24x17TB ****

A customer has noticed their all-flash arrays are constantly running at or near 100% load and impacting application performance. They are running dozens of applications on the arrays and ask for help to identify some workloads that could be moved to another storage system to reduce load and improve overall performance of all applications.

Which (three) workload or data characteristics should an architect look for to identify potential candidates for migration to FlashBlade? (Choose three.)

A.

Applications requiring high throughput ***

B.

Large number of simultaneous connections

C.

Applications that can use NFS or S3 ***

D.

Highly transactional application.

E.

Low latency is critical to application performance. ***