InterviewSolution

Explore topic-wise InterviewSolutions in Amazon.

This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your Amazon knowledge and support exam preparation. Choose a topic below to get started.

1.	How to execute a SQL file on Amazon Redshift?
Answer» <html><body><p>Users can do this by <a href="https://interviewquestions.tuteehub.com/tag/using-1441597" style="font-weight:bold;" target="_blank" title="Click to know more about USING">USING</a> a Python script running on an EC2 to set up a <a href="https://interviewquestions.tuteehub.com/tag/jdbc-11674" style="font-weight:bold;" target="_blank" title="Click to know more about JDBC">JDBC</a> connection to Redshift. After this, the user requires to <a href="https://interviewquestions.tuteehub.com/tag/execute-979162" style="font-weight:bold;" target="_blank" title="Click to know more about EXECUTE">EXECUTE</a> the queries in the.SQL file.</p><p><em>Get more knowledge of this topic if you are preparing for <b>Amazon <a href="https://interviewquestions.tuteehub.com/tag/interview-2642" style="font-weight:bold;" target="_blank" title="Click to know more about INTERVIEW">INTERVIEW</a> questions </b>.</em></p></body></html>

2.	How does Amazon Redshift keep your data secure?
Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/amazon-12922" style="font-weight:bold;" target="_blank" title="Click to know more about AMAZON">AMAZON</a> Redshift uses industry-standard encryption techniques to encrypt and <a href="https://interviewquestions.tuteehub.com/tag/keep-527902" style="font-weight:bold;" target="_blank" title="Click to know more about KEEP">KEEP</a> your data secure in transit and at rest. It also supports SSL-enabled connections between the user’s client application and user’s Redshift data warehouse cluster. Using the hardware-accelerated AES-256, it <a href="https://interviewquestions.tuteehub.com/tag/keeps-1063393" style="font-weight:bold;" target="_blank" title="Click to know more about KEEPS">KEEPS</a> the data safe <a href="https://interviewquestions.tuteehub.com/tag/sat-887" style="font-weight:bold;" target="_blank" title="Click to know more about SAT">SAT</a> to rest.</p></body></html>

3.	What is the architecture of Amazon Redshift?
Answer» <html><body><p>The data <a href="https://interviewquestions.tuteehub.com/tag/repository-1185365" style="font-weight:bold;" target="_blank" title="Click to know more about REPOSITORY">REPOSITORY</a> of <a href="https://interviewquestions.tuteehub.com/tag/amazon-12922" style="font-weight:bold;" target="_blank" title="Click to know more about AMAZON">AMAZON</a> Redshift is a business-class administration system and relational <a href="https://interviewquestions.tuteehub.com/tag/database-11539" style="font-weight:bold;" target="_blank" title="Click to know more about DATABASE">DATABASE</a> query. It <a href="https://interviewquestions.tuteehub.com/tag/offers-1129020" style="font-weight:bold;" target="_blank" title="Click to know more about OFFERS">OFFERS</a> a connection of clients with a high number of advanced applications such as business intelligence, <a href="https://interviewquestions.tuteehub.com/tag/reporting-248944" style="font-weight:bold;" target="_blank" title="Click to know more about REPORTING">REPORTING</a>, and analytic tools.</p></body></html>

4.	What is Amazon Redshift?
Answer» <html><body><p>It’s a fast a <a href="https://interviewquestions.tuteehub.com/tag/fully-2663010" style="font-weight:bold;" target="_blank" title="Click to know more about FULLY">FULLY</a> managed data <a href="https://interviewquestions.tuteehub.com/tag/warehouse-1448856" style="font-weight:bold;" target="_blank" title="Click to know more about WAREHOUSE">WAREHOUSE</a> by Amazon that makes it cost <a href="https://interviewquestions.tuteehub.com/tag/useful-1441152" style="font-weight:bold;" target="_blank" title="Click to know more about USEFUL">USEFUL</a> and straightforward to analyze all data using SQL and Business <a href="https://interviewquestions.tuteehub.com/tag/intelligence-239344" style="font-weight:bold;" target="_blank" title="Click to know more about INTELLIGENCE">INTELLIGENCE</a> <a href="https://interviewquestions.tuteehub.com/tag/tools-25672" style="font-weight:bold;" target="_blank" title="Click to know more about TOOLS">TOOLS</a> of users. Complex analytic queries can be run by it using advanced query optimization and columnar storage on high-performance local disks.</p></body></html>

5.	What is AMI & how to build one?
Answer» <html><body><p>AMI or Amazon Machine Image is a snapshot of the root filesystem. The bios present in the commodity hardware <a href="https://interviewquestions.tuteehub.com/tag/servers-1202524" style="font-weight:bold;" target="_blank" title="Click to know more about SERVERS">SERVERS</a> point the master boot <a href="https://interviewquestions.tuteehub.com/tag/record-rakhata-ha-620613" style="font-weight:bold;" target="_blank" title="Click to know more about RECORD">RECORD</a> of the <a href="https://interviewquestions.tuteehub.com/tag/first-461760" style="font-weight:bold;" target="_blank" title="Click to know more about FIRST">FIRST</a> block on a <a href="https://interviewquestions.tuteehub.com/tag/disk-244471" style="font-weight:bold;" target="_blank" title="Click to know more about DISK">DISK</a>. To <a href="https://interviewquestions.tuteehub.com/tag/build-403683" style="font-weight:bold;" target="_blank" title="Click to know more about BUILD">BUILD</a> a new AMI, first, spin up and instance from a trusted AMI. The packages and components can be added further.</p><p>This is a typical <b>Amazon coding questions</b>.</p></body></html>

6.	Explain S3 and why is it used for?
Answer» <html><body><p>Simple Storage Services or S3 is like <a href="https://interviewquestions.tuteehub.com/tag/ftp-20066" style="font-weight:bold;" target="_blank" title="Click to know more about FTP">FTP</a> storage, where users can <a href="https://interviewquestions.tuteehub.com/tag/move-548879" style="font-weight:bold;" target="_blank" title="Click to know more about MOVE">MOVE</a> <a href="https://interviewquestions.tuteehub.com/tag/files-20889" style="font-weight:bold;" target="_blank" title="Click to know more about FILES">FILES</a> to and from there, but don’t mount it like a filesystem. SWS <a href="https://interviewquestions.tuteehub.com/tag/automatically-2451134" style="font-weight:bold;" target="_blank" title="Click to know more about AUTOMATICALLY">AUTOMATICALLY</a> puts the user snapshots as <a href="https://interviewquestions.tuteehub.com/tag/well-734398" style="font-weight:bold;" target="_blank" title="Click to know more about WELL">WELL</a> as AMIs there. Encryption should be considered for sensitive data present in S3 as it’s a proprietary technology developed by Amazon and not yet proven with vis-a-vis a security standpoint.</p></body></html>

7.	Explain the workability of an Amazon VPC router.
Answer» <html><body><p>An Amazon VPC <a href="https://interviewquestions.tuteehub.com/tag/router-236639" style="font-weight:bold;" target="_blank" title="Click to know more about ROUTER">ROUTER</a> enables Amazon <a href="https://interviewquestions.tuteehub.com/tag/ec2-444887" style="font-weight:bold;" target="_blank" title="Click to know more about EC2">EC2</a> instances that are within the subnet so that it can communicate with Amazon EC2 instances on the subnets that are <a href="https://interviewquestions.tuteehub.com/tag/present-1163722" style="font-weight:bold;" target="_blank" title="Click to know more about PRESENT">PRESENT</a> in the same VPC. Amazon VPC router <a href="https://interviewquestions.tuteehub.com/tag/also-373387" style="font-weight:bold;" target="_blank" title="Click to know more about ALSO">ALSO</a> helps in enabling virtual private gateways, <a href="https://interviewquestions.tuteehub.com/tag/internet-14325" style="font-weight:bold;" target="_blank" title="Click to know more about INTERNET">INTERNET</a> gateways, and subnets so that they can communicate with each other.</p></body></html>

8.	Is it possible to modify the VPC’s route tables? If yes, then how?
Answer» <html><body><p>Yes, it’s possible to <a href="https://interviewquestions.tuteehub.com/tag/modify-562546" style="font-weight:bold;" target="_blank" title="Click to know more about MODIFY">MODIFY</a> the <a href="https://interviewquestions.tuteehub.com/tag/vpc-724007" style="font-weight:bold;" target="_blank" title="Click to know more about VPC">VPC</a>’s <a href="https://interviewquestions.tuteehub.com/tag/route-771422" style="font-weight:bold;" target="_blank" title="Click to know more about ROUTE">ROUTE</a> table. Users are allowed to create route rules to specify which <a href="https://interviewquestions.tuteehub.com/tag/subnets-1231227" style="font-weight:bold;" target="_blank" title="Click to know more about SUBNETS">SUBNETS</a> are to be routed to VPC or any other instances.</p></body></html>

9.	Is there any limitation of bandwidth in case of peering connections?
Answer» <html><body><p>In peered VPCs and between instances in the <a href="https://interviewquestions.tuteehub.com/tag/vpc-724007" style="font-weight:bold;" target="_blank" title="Click to know more about VPC">VPC</a>, there is <a href="https://interviewquestions.tuteehub.com/tag/absolutely-846137" style="font-weight:bold;" target="_blank" title="Click to know more about ABSOLUTELY">ABSOLUTELY</a> no difference in bandwidth between instances. The peered VPCs can be <a href="https://interviewquestions.tuteehub.com/tag/spanned-7712138" style="font-weight:bold;" target="_blank" title="Click to know more about SPANNED">SPANNED</a> by a placement group. But, the <a href="https://interviewquestions.tuteehub.com/tag/user-25565" style="font-weight:bold;" target="_blank" title="Click to know more about USER">USER</a> will not be provided with <a href="https://interviewquestions.tuteehub.com/tag/full-1001178" style="font-weight:bold;" target="_blank" title="Click to know more about FULL">FULL</a> bisects on bandwidth which is present between the instances in peered VPCs.</p></body></html>

10.	Is the VPC peering the traffic present with the region encrypted?
Answer» <html><body><p>No, the virtual <a href="https://interviewquestions.tuteehub.com/tag/private-11896" style="font-weight:bold;" target="_blank" title="Click to know more about PRIVATE">PRIVATE</a> cloud peering the traffic within the region is not <a href="https://interviewquestions.tuteehub.com/tag/encrypted-7261464" style="font-weight:bold;" target="_blank" title="Click to know more about ENCRYPTED">ENCRYPTED</a>, though the traffic between the instances present in <a href="https://interviewquestions.tuteehub.com/tag/peered-2919246" style="font-weight:bold;" target="_blank" title="Click to know more about PEERED">PEERED</a> VPCs does remain private and isolate. The same <a href="https://interviewquestions.tuteehub.com/tag/process-11618" style="font-weight:bold;" target="_blank" title="Click to know more about PROCESS">PROCESS</a> goes to the fact that the transportation between in a single VOC between two instances are also individual and isolated.</p><p><em>Have you read our rest of the <b>Amazon <a href="https://interviewquestions.tuteehub.com/tag/interview-2642" style="font-weight:bold;" target="_blank" title="Click to know more about INTERVIEW">INTERVIEW</a> questions and answers</b>?</em></p></body></html>

11.	Is it possible for an elastic network interface to host multiple websites which are required to separate IP addresses on a single instance?
Answer» <html><body><p>It’s possible for an elastic <a href="https://interviewquestions.tuteehub.com/tag/network-236637" style="font-weight:bold;" target="_blank" title="Click to know more about NETWORK">NETWORK</a> interface to host <a href="https://interviewquestions.tuteehub.com/tag/multiple-1105557" style="font-weight:bold;" target="_blank" title="Click to know more about MULTIPLE">MULTIPLE</a> websites with separate IP addresses, but not the best <a href="https://interviewquestions.tuteehub.com/tag/suited-1234254" style="font-weight:bold;" target="_blank" title="Click to know more about SUITED">SUITED</a> to prefer in the case of multiple interfaces. It will be logical to assign additional private IP addresses to the instance and to associate the flexible network interfaces to the private <a href="https://interviewquestions.tuteehub.com/tag/ips-500367" style="font-weight:bold;" target="_blank" title="Click to know more about IPS">IPS</a> as per the requirement.</p></body></html>

12.	EC2 classic instance to be a member of a Virtual Private Could, is it possible?
Answer» <html><body><p>It’s not possible for an <a href="https://interviewquestions.tuteehub.com/tag/ec2-444887" style="font-weight:bold;" target="_blank" title="Click to know more about EC2">EC2</a> classic instance to be a member of virtual private cloud, but it can become a member of the security group of that <a href="https://interviewquestions.tuteehub.com/tag/vpc-724007" style="font-weight:bold;" target="_blank" title="Click to know more about VPC">VPC</a>. The security group must be <a href="https://interviewquestions.tuteehub.com/tag/associated-886051" style="font-weight:bold;" target="_blank" title="Click to know more about ASSOCIATED">ASSOCIATED</a> with the EC2 classic instance.</p></body></html>

13.	How to use the classic link?
Answer» <html><body><p>To use a classic <a href="https://interviewquestions.tuteehub.com/tag/link-246752" style="font-weight:bold;" target="_blank" title="Click to know more about LINK">LINK</a>, the <a href="https://interviewquestions.tuteehub.com/tag/users-25567" style="font-weight:bold;" target="_blank" title="Click to know more about USERS">USERS</a> have to enable minimum one <a href="https://interviewquestions.tuteehub.com/tag/virtual-673" style="font-weight:bold;" target="_blank" title="Click to know more about VIRTUAL">VIRTUAL</a> private cloud on their account for the traditional connection. Later, they can associate a security group from that virtual private cloud to the EC2 classic instance that they would prefer.</p><p>This process will make sure that the EC2 classic instance is linked to <a href="https://interviewquestions.tuteehub.com/tag/vpc-724007" style="font-weight:bold;" target="_blank" title="Click to know more about VPC">VPC</a> and will become s member of the selected security group of the VPC. The EC2 classic instant cannot be connected to more than one VPC at the same <a href="https://interviewquestions.tuteehub.com/tag/time-19467" style="font-weight:bold;" target="_blank" title="Click to know more about TIME">TIME</a>.</p></body></html>

14.	What are the layers of cloud computing?
Answer» <html><body><p>There are a total of three layers of <a href="https://interviewquestions.tuteehub.com/tag/cloud-11874" style="font-weight:bold;" target="_blank" title="Click to know more about CLOUD">CLOUD</a> computing, and they are as <a href="https://interviewquestions.tuteehub.com/tag/following-463335" style="font-weight:bold;" target="_blank" title="Click to know more about FOLLOWING">FOLLOWING</a>, Software as a <a href="https://interviewquestions.tuteehub.com/tag/service-239469" style="font-weight:bold;" target="_blank" title="Click to know more about SERVICE">SERVICE</a> - SaaS, Infrastructure as a Service - <a href="https://interviewquestions.tuteehub.com/tag/iaas-501869" style="font-weight:bold;" target="_blank" title="Click to know more about IAAS">IAAS</a>, and Platform as a Service - PaaS</p></body></html>

15.	What is the process to secure data for carrying in the cloud?
Answer» <html><body><p>Here are a few crucial facts to consider to secure data while <a href="https://interviewquestions.tuteehub.com/tag/carrying-909956" style="font-weight:bold;" target="_blank" title="Click to know more about CARRYING">CARRYING</a> in the cloud.</p><ul><li>While the data is <a href="https://interviewquestions.tuteehub.com/tag/moving-548882" style="font-weight:bold;" target="_blank" title="Click to know more about MOVING">MOVING</a> from one point to <a href="https://interviewquestions.tuteehub.com/tag/another-876628" style="font-weight:bold;" target="_blank" title="Click to know more about ANOTHER">ANOTHER</a>, no one should seize the information in the cloud.</li><li>There should be no security <a href="https://interviewquestions.tuteehub.com/tag/key-11608" style="font-weight:bold;" target="_blank" title="Click to know more about KEY">KEY</a> from several storerooms in the cloud.</li><li>Use of <a href="https://interviewquestions.tuteehub.com/tag/approved-2439414" style="font-weight:bold;" target="_blank" title="Click to know more about APPROVED">APPROVED</a> encryption methods for segregation of information from additional companies’ data.</li></ul></body></html>

16.	Explain the importance of buffer in AWS?
Answer» <html><body><p>As the incoming traffic is <a href="https://interviewquestions.tuteehub.com/tag/distributed-956878" style="font-weight:bold;" target="_blank" title="Click to know more about DISTRIBUTED">DISTRIBUTED</a> optimally across the various AWS instances by an Elastic Load Balancer, a buffer will synchronize the various <a href="https://interviewquestions.tuteehub.com/tag/components-769209" style="font-weight:bold;" target="_blank" title="Click to know more about COMPONENTS">COMPONENTS</a> and arranges additional elastic to a burst of traffic or load. All the elements are prone to work in an unstable way of <a href="https://interviewquestions.tuteehub.com/tag/request-11882" style="font-weight:bold;" target="_blank" title="Click to know more about REQUEST">REQUEST</a> receiving and processing.</p><p>The buffer here creates the equilibrium linking various <a href="https://interviewquestions.tuteehub.com/tag/apparatus-768697" style="font-weight:bold;" target="_blank" title="Click to know more about APPARATUS">APPARATUS</a> and eventually crafts them effort at the identical rate to provide more rapid <a href="https://interviewquestions.tuteehub.com/tag/services-248961" style="font-weight:bold;" target="_blank" title="Click to know more about SERVICES">SERVICES</a>.</p></body></html>

17.	Explain the work performance of an Elastic Block Storage.
Answer» <html><body><p>Elastic <a href="https://interviewquestions.tuteehub.com/tag/block-18865" style="font-weight:bold;" target="_blank" title="Click to know more about BLOCK">BLOCK</a> <a href="https://interviewquestions.tuteehub.com/tag/storage-11586" style="font-weight:bold;" target="_blank" title="Click to know more about STORAGE">STORAGE</a>’s performance varies. It can go above the SLA and after that drop below it. The average disk I/O rate of SLA can frustrate performance experts searching for consistent and reliable disk throughout a server. But, the virtual instances of AWS don’t behave this way.</p><p>The EBS volume can be backed up through a graphical user <a href="https://interviewquestions.tuteehub.com/tag/interface-11652" style="font-weight:bold;" target="_blank" title="Click to know more about INTERFACE">INTERFACE</a> such as elasticfox or the snapshot facility of an API call. The performance here can be <a href="https://interviewquestions.tuteehub.com/tag/improved-1039012" style="font-weight:bold;" target="_blank" title="Click to know more about IMPROVED">IMPROVED</a> using <a href="https://interviewquestions.tuteehub.com/tag/linux-1946" style="font-weight:bold;" target="_blank" title="Click to know more about LINUX">LINUX</a> software raid and striping across the volumes.</p></body></html>