AWS Certified Solutions Architect – Professional Set1 Welcome to AWS Certified Solutions Architect - Professional 1. 1. Which of these database approaches would be best for storing and analyzing the complex interpersonal relationships of people involved in organized crime. (Choose 2) DynamoDB Redshift Elasticache Database on EC2 S3 Neptune2. You have decided to use EFS for sharing files across many EC2 instances and you want to be able to tolerate an AZ failure. You should: Create EFS mount targets in each AZ and configure each EC2 instance to mount its local AZ mount target FQDN Create EFS shares in each AZ and configure each EC2 instance to mount the share in its local AZ via the FQDN Create EFS mount targets in each AZ and configure each EC2 instance to mount the common mount target FQDN Configure EFS File Sync agent on the EC2 instances Do nothing as EFS is already multi-AZ3. You are trying to decide on what product you should select for your in-memory cache needs. You require support for encryption. Which should you choose? DynamoDB ElastiCache Cluster ElastiCache Redis Elastic Map Reduce ElastiCache Memcached4. You need to improve performance of queries to your DynamoDB table. The most common queries do not use the partition key. What should you do? Create a Global Secondary Index with the most common queried attribute as the hash key Create a Local Secondary Index with the most common queried attribute as the partition key Create a Global Secondary Index with the most common queried attribute as the range key Increase the RCU and WCU for the table Create a Local Secondary Index with the most common queried attribute as the sort key5. Considering consistency models, which statements taken by themselves are incorrect? (Choose 2) Lazy writes are an attribute of perpetual consistency. Eventual consistency could result in stale data. Availability is usually more important than consistency. Row locking attempts to ensure consistency by keeping updates atomic.6. What DynamoDB features can be utilised to increase the speed of read operations? (Choose 2) DynamoDB Accelerator (DAX) Encryption at Rest Streams Secondary Indexes7. Amazon Elasticache can fulfil a number of roles. Choose the operations from the following list which can be implemented using Elasticache for Redis. (Choose 3) Relational Data Store In-Memory Data Store Pub/Sub Sorted Sets8. Which of the following are considered attributes of the ACID compliance model? (Choose 3) Atomic Immutable Consistent Durable Available Persistent9. Via CLI, you try to fetch some metadata from a file from an S3 bucket but get back 404 Not Found. You then realize the mistake and upload the file. Immediately after the upload, you try again to fetch the metadata. What are potential outcomes we might expect and why? (Choose 2) Because the initial upload command creates an ETag header only, we will not receive back any metadata. Because the upload is not propagated fully, we will receive a 404 Not Found. Because we did not use multi-part upload, we will not receive back metadata. We will receive back the requested metadata. Because the upload is not yet complete, we will receive a 404 Not Found.10. You are architecting a complex application landscape that values fast disk I/O for EC2 instances above everything else. Which storage option would you choose? EBS EFS Instance Store S3 IOPS11. In the Lab for this chapter, what was the city with the highest average ozone levels on October 9, 2018? Tulare Freso Savanah Phoenix Mercer12. __________ is an immutable way to set policies on a Glacier vault such as retention or enforcing MFA before delete. Glacier Data Policy Glacier Vault Lock Bucket Policy Vault Security Policy Identity Access Management Policy13. As part of your disaster recovery preparation, you have decided to maintain a replica of your on-site data on AWS S3 using Storage Gateway. Which mode should you use? Volume Gateway Cached Mode Gateway Transfer Mode Gateway Stored Volume Mode Gateway Cached Volume Mode Tape Gateway14. Which of the following data formats does Amazon Athena support? (Choose 3) Apache Parquet Apache ORC XML JSON15 out of Please fill in the comment box below. Enter your email ID details to get QUIZ Result
