Infosys Certified Big Data Analyst on AWS
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Join Premium10 Infosys Certified Big Data Analyst on AWS practice questions with answers
Real Lex exam-pattern multiple-choice questions for the Infosys Certified Big Data Analyst on AWS certification. Each question includes the correct answer. The full question bank is available to Premium members.
- Question 1
An investment banking has set up a VPC on AWS having multiple subnets. Each subnet has one or more EC2 instances depending on the size of applications to be deployed. The banker has deployed Securities and trading applications on one of the Subnet that requires interface with Stock exchange to get time to time updated value of shares of interest for the user to enable them buy/sell the shares. Clearly, Securities and trading applications require to communicate with Stock exchange over internet. The subnet on which Securities and trading applications are deployed can be classified as
- ✓
Public subnet
Correct - B
Private subnet
- C
VPN Only subnet
- D
Any of the above
- ✓
- Question 2
NAB, a Media Streaming company is evaluating AWS ElastiCache for in Memory caching requirements. Which of the following is not the right use case for AWS ElastiCache to be considered or preferred?
- ✓
Reduce Latency
Correct - B
Message Broker Only
- C
Fast In Memory Datastore
- D
Data store for usage as a database
- ✓
- Question 3
Consider a scenario where an admin wants to configure an EMR cluster where the cluster will automatically terminate if it is idle for more than 3 hours.This is needed to minimize the cost. Which of the following operation stands most ideal for the scenario ?
- ✓
Provide EMR_DefaultRole and EMR_EC2_DefaultRole while creating the cluster
Correct - B
Enable Auto-Termination option while creating the cluster
- C
Provide EMR_EC2_DefaultRole and disable the Auto-termination option and enable the cluster scaling option mandatorily while creating the cluster
- D
Provide EMR_DefaultRole and enable the Cluster scaling option mandatorily while creating the cluster and then enable Auto-termination option
- ✓
- Question 4
MapReduce is better fit for industry scenarios where big data sets are produced, analyzed and visualized. What other reasons where MapReduce of EMR shall be used?
- ✓
Shall be used on scenarios where parallel computing to happen on massive datasets
Correct - B
Shall be used on scenarios which require automatic fault tolerance to ease up development
- C
Shall act as NoSQL databases and can be used as replacement for NoSQL DBs
- D
None of the above
- ✓
- Question 5
Suppose that you have an application in which the resource needs for compute, memory, and networking are roughly equivalent. Which of the following EC2 instance type is best suited for your application?
- ✓
General Purpose
Correct - B
Compute Optimized
- C
Memory Optimized
- D
Accelerated computing instance
- ✓
- Question 6
A hospital administration app stores and analyzes different connected data like Patient data, Electronic Health Records (EHRs), Appointment schedules, Billing and insurance information, etc. Which of the following is a fast, reliable, and fully-managed graph database service from AWS that allows you to store and process these highly connected datasets?
- ✓
AWS Athena
Correct - B
AWS Neptune
- C
TinkerPop Gremlin
- D
Amazon SNS
- ✓
- Question 7
What is the recommended ACL suggested for any object inside an S3 bucket ?
- ✓
private
Correct - B
Grant public read access
- C
Grant public read/write access
- D
Grant public write access
- ✓
- Question 8
FERN, a Garment Manufactuing and Retail Frim has multiple EC2 Instances running across Zones? Recently they were advised to look for Log4J related vulnerabilities and fix them immediately. Which of the AWS tool they should use?
- ✓
AWS Trusted Advisor
Correct - B
AWS Inspector
- C
AWS CloudTrail
- D
None of the above
- ✓
- Question 9
Consider a scenario where the client is looking to migrate their database as they are finding it difficult to capture product details using a fixed product table in RDS. The client is looking for a solution to store all the product information in a single data store having flexible schema. Which of the AWS service is ideal for the scenario ?
- ✓
AWS DynamoDB
Correct - B
AWS Aurora
- C
AWS ElastiCache
- D
AWS S3
- ✓
- Question 10
Consider a scenario where a developer wants to run a code on a highly available and scalable environment in a serverless manner i.e without provisioning or managing servers. Which aws component best fits this scenario ?
- ✓
AWS Lambda
Correct - B
AWS EC2
- C
AWS S3
- D
AWS EMR
- ✓
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