Athena Interview Questions Chennai

What makes Lambda a time-saving approach?

There are certain reasons for this. The one is it’s possible to simply store everything in the local server memory. Also, data can be stored directly into the database without affecting the performance. In addition to this, testing is not much complicated. Integration testing can simply be made powerful through multiple vendors.

49) Can vertically scaling is allowed in  Amazon Instance?

Yes, you can vertically estimate one Amazon instance.

38) Name the AWS service that exists only to redundantly cache data and images?

AWS Edge locations are services that redundantly cache data and s.

athenahealth, Inc. is a publicly traded American company that provides cloud-based services for health care and point-of-care mobile apps.

1 What is elastic blockage storage in Lambda?

It is basically a virtual storage area network where tasks can be started. It can tolerate faults easily and users need not worry about the loss of data even in case the disk damages in the RAID. Provisioning and allocating the storage can also be done in Elastic Block Storage. If required, it can also be connected to the API

39) Explain Geo Restriction in CloudFront

A Geo-restriction feature helps you to prevent users of specific geographic locations from accessing content which you’re distributing through a CloudFront web distribution.

EMR is a survived cluster stage which helps you to interpret the working of data structures before the intimation. Apache Hadoop and Apache Spark on the Amazon Web Services help you to investigate a large amount of data. You can prepare data for the analytics goals and marketing intellect workloads using Apache Hive and using other relevant open-source designs.

2 What are the Final Variables and Effectively final variables in Lambda?

Final Variables are those which cannot be modified once assigned. When they are in an earlier stage where it is possible to make any form of change, they are called effectively variable. The value is yet to be assigned to them. The outcome is required without restriction in many cases and that is the reason to use effective variables. They can also play a role in testing. If final variables are to be equipped with several additional features, this can be done through effective Variables. Most local expressions in Lambda are final.

Tell us about the frameworks which are available for serverless?

There are several frameworks and serverless is extremely powerful. Its great support to Lambda and open whisk, as well as azure functions, makes it simply the best in every aspect. When it comes to extending the cloud formation, the Serverless Application Model can easily be considered. Scripting the changes to API becomes extremely simple with this approach and the best thing is the task is very quick and reliable.

27) What is meant by subnet?

A large section of IP Addresses divided into chunks is known as subnets.

44) List different types of cloud services

Various types of cloud services are:

  • Software as a Service (SaaS),
  • Data as a Service (DaaS)
  • Platform as a Service (PaaS)
  • Infrastructure as a Service (IaaS).
  • 1 Name the type of Storage provided by Amazon?

    For Instance, there are several storage options provided by Amazon and the best thing is every option is best in terms of durability as well as performance. In case you want to use them in combination, there is not a problem. Independent access is also available. The first storage is EBS which is actually block-level storage. It comes with an encryption feature and is a good option to consider when independent storage is required.

    The next type is the EC2 Instance store which is directly connected to the host PC as a storage disk. For temporary needs, it is a good option to consider. The data on this storage remains valid only when the instance is valid. If the same is deleted, data will also be gone. Another storage type is “Adding Storage”. When the root storage device is created, an instance is launched. It generally contains information related to boot Instance.

    The Amazon S3 is another option available for storage which is known to be an inexpensive option and can store any amount of data.

    dice | athenahealth Top most interview questions and answers for freshers / experienced tips

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