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Free AWS-Certified-Big-Data-Specialty Exam Braindumps (page: 6)

Page 5 of 124
PDF with 492 Questions

Which of the following statements about Amazon Kinesis streams are correct? (choose three)

  1. Kinesis Streams can support up to 1,000 records per second for writes and up to a maximum total data write rate of one megabyte per second, including partition keys.
  2. You cannot increase or decrease the number of shards in a stream.
  3. Each shard can support up to five transactions per second for reads
  4. Kinesis streams can support up to a maximum total data read rate of two megabytes per second.

Answer(s): A,C,D



Which network connections are used by AWS Snowball to minimize data transfer times?

  1. both thinnet and thicknet copper cables
  2. both RJ45 and SFP+ with either a fiber or copper interface
  3. both USB and Ethernet cables with special adapters
  4. both UTP and STP copper cables

Answer(s): B

Explanation:

An AWS Snowball appliance has a 10GBaseT network connection (both RJ45 as well as SFP+ with either a fiber or copper interface) to minimize data transfer times.


Reference:

https://aws.amazon.com/snowball/details/



You want to export objects in an S3 bucket using the AWS Snowball Management Console. Assume you have a bucket containing the following objects, sorted in UTF-8 binary order:
01
Aardvark
Aardwolf
Aasvogel/apple
Aasvogel/banana
Aasvogel/cherry
Banana
Car
What happens if you specify no beginning range and set Aasvogel as the ending range?

  1. No objects are exported; you must specify a beginning range.
  2. Objects Aasvogel/apple, Aasvogel/banana and Aasvogel/cherry are exported.
  3. Objects 01, Aardvark, and Aardwolf are exported.
  4. Objects 01, Aardvark, Aardwolf, Aasvogel/apple, Aasvogel/banana and Aasvogel/cherry are exported.

Answer(s): D

Explanation:

When you create an export job in the AWS Snowball Management Console, you can choose to export an entire Amazon S3 bucket or a specific range of objects keys. To export a range, you define the length of the range by providing either an inclusive range beginning, an inclusive range ending, or both. Ranges are UTF-8 binary sorted.


Reference:

http://docs.aws.amazon.com/snowball/latest/ug/using-console.html



Sources of data that can be imported with the Snowball client are: (1) Files or objects hosted in locally mounted file systems, and (2) files or objects from a(n) .

  1. HDFS cluster
  2. NFS server
  3. AFS server
  4. GPFS cluster

Answer(s): A

Explanation:

Sources of data that can be imported with the Snowball client are: (1) Files or objects hosted in locally mounted file systems, and (2) files or objects from a Hadoop Distributed File System (HDFS) cluster. Currently, only HDFS 2.x clusters are supported.Reference: http://docs.aws.amazon.com/snowball/latest/ug/using-client.html






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