
AWS SA Associate Practice Questions – 18
Updated: Jul 17, 2020
Question 1:
How is load balancing enabled for multiple tasks to the same container
instance?
A. path-based routing
B. reverse proxy
C. NAT
D. dynamic port mapping
E. dynamic listeners
Answer (D)
Question 2:
What encryption support is available for tenants that are deploying AWS
DynamoDB?
A. server-side encryption
B. client-side encryption
C. client-side and server-side encryption
D. encryption not supported
E. block level encryption
Answer (B)
Question 3:
What are three primary reasons for deploying ElastiCache?
A. data security
B. managed service
C. replication with Redis
D. durability
E. low latency
Answer (B,C,E)
Question 4:
What service does not support session data persistence store to enable webbased
stateful applications?
A. RDS
B. Memcached
C. DynamoDB
D. Redis
E. RedShift
Answer (B)
Question 5:
How does Memcached implement horizontal scaling?
A. Auto-Scaling
B. database store
C. partitioning
D. EC2 instances
E. S3 bucket
Answer (C)
Question 6:
What two options are available for tenants to access ElastiCache?
A. VPC peering link
B. EC2 instances
C. EFS mount
D. cross-region VPC
Answer (A,B)
Question 7:
What two statements correctly describe in-transit encryption support on
ElastiCache platform ?
A. not supported for ElastiCache platform
B. supported on Redis replication group
C. encrypts cached data at rest
D. not supported on Memcached cluster
E. IPsec must be enabled first
Answer (B,D)
Question 8:
What Amazon AWS platform is designed for complex analytics of a variety
of large data sets based on custom code. The applications include machine
learning and data transformation?
A. EC2
B. Beanstalk
C. Redshift
D. EMR
Answer (D)
Question 9:
What are two primary advantages of DynamoDB?
A. SQL support
B. managed service
C. performance
D. CloudFront integration
Answer (B,C)
Question 10:
What two fault tolerant features does Amazon RDS support?
A. copy snapshot to a different region
B. create read replica to a different region
C. copy unencrypted read-replica only
D. copy read/write replica and snapshot
Answer (A,B)
Question 11:
What managed services are included with Amazon RDS? (select four)
A. assign network capacity to database instances
B. install database software
C. perform regular backups
D. data replication across multiple availability zones
E. data replication across single availability zone only
F. configure database
G. performance tuning
Answer (A,B,C,D)
Question 12:
What two configuration features are required to create a private database
instance?
A. security group
B. network ACL
C. CloudWatch
D. Elastic IP (EIP)
E. Nondefault VPC
F. DNS
Answer (A,F)
Question 13:
What storage type is recommended for an online transaction processing
(OLTP) application deployed to Multi-AZ RDS with significant workloads?
A. General Purpose SSD
B. Magnetic
C. EBS volumes
D. Provisioned IOPS
Answer (D)
Question 14:
What features are supported with Amazon RDS? (Select three)
A. horizontal scaling with multiple read replicas
B. elastic load balancing RDS read replicas
C. replicate read replicas cross-region
D. automatic failover to master database instance
E. application load balancer (ALB)
Answer (A,C,E)
Question 15:
What are three advantages of standby replica in a Multi-AZ RDS
deployment?
A. fault tolerance
B. eliminate I/O freezes
C. horizontal scaling
D. vertical scaling
E. data redundancy
Answer (A,B,E)
Question 16:
What consistency model is the default used by DynamoDB?
A. strongly consistent
B. eventually consistent
C. no default model
D. casual consistency
E. sequential consistency
Answer (B)
Question 17:
What does RDS use for database and log storage?
A. EBS
B. S3
C. instance store
D. local store
E. SSD
Answer (A)
Question 18:
What statements correctly describe support for Microsoft SQL Server within
Amazon VPC? (Select three)
A. read/write replica
B. read replica only
C. vertical scaling
D. native load balancing
E. EBS storage only
F. S3 storage only
Answer (B,C,D)
Question 19:
Select two features available with Amazon RDS for MySQL?
A. Auto-Scaling
B. read requests to standby replicas
C. real-time database replication
D. active read requests only
Answer (B,C)
Question 20:
What are two characteristics of Amazon RDS?
A. database managed service
B. NoSQL queries
C. native load balancer
D. database write replicas
E. automatic failover of read replica
Answer (A,C)
Question 21:
What caching engines are supported with Amazon ElastiCache? (Select two)
A. HAProxy
B. Route 53
C. RedShift
D. Redis
E. Memcached
F. CloudFront
Answer (D,E)
Question 22:
What are three primary characteristics of DynamoDB?
A. less scalable than RDS
B. static content
C. store metadata for S3 objects
D. replication to three Availability Zones
E. high read/write throughput
Answer (C,D,E)
Question 23:
What are three examples of using Lambda functions to move data between
AWS services?
A. read data directly from DynamoDB streams to RDS
B. read data from Kinesis stream and write data to DynamoDB
C. read data from DynamoDB stream to Firehose and write to S3
D. read data from S3 and write metadata to DynamoDB
E. read data from Kinesis Firehose to Kinesis data stream
Answer (B,C,D)
Question 24:
You have enabled Amazon RDS database services in VPC1 for an application
with public web servers in VPC2. How do you connect the web servers to the
RDS database instance so they can communicate considering the VPC’s are in
different regions?
A. VPC endpoints
B. VPN gateway
C. path-based routing
D. publicly accessible database
E. VPC peering
Answer (D)
Question 25:
You have a requirement to create an index to search customer objects stored
in S3 buckets. The solution should enable you to create a metadata search
index for each object stored to an S3 bucket. Select the most scalable and cost
effective solution?
A. RDS, ElastiCache
B. DynamoDB, Lambda
C. RDS, EMR, ALB
D. RedShift
Answer (B)
Question 26:
What are three advantages of using DynamoDB over S3 for storing IoT
sensor data where there are 100,000 datapoint samples sent per minute?
A. S3 must create a single file for each event
B. IoT can write data directly to DynamoDB
C. DynamoDB provides fast read/writes to a structured table for queries
D. DynamoDB is designed for frequent access and fast lookup of small
records
E. S3 is designed for frequent access and fast lookup of smaller records
F. IoT can write data directly to S3
Answer (B,C,D)
Question 27:
Your company is a provider of online gaming that customers access with
various network access devices including mobile phones. What is a data
warehousing solutions for large amounts of information on player behavior,
statistics and events for analysis using SQL tools?
A. RedShift
B. DynamoDB
C. RDS
D. DynamoDB
E. Elasticsearch
Answer (A)
Question 28:
What two statements are correct when comparing Elasticsearch and RedShift
as analytical tools?
A. Elasticsearch is a text search engine and document indexing tool
B. RedShift supports complex SQL-based queries with Petabyte sized
data store
C. Elasticsearch supports SQL queries
D. RedShift provides only basic analytical services
E. Elasticsearch does not support JSON data type
Answer (A,B)
Question 29:
What happens when read or write requests exceed capacity units (throughput
capacity) for a DynamoDB table or index? (Select two)
A. DynamoDB automatically increases read/write units
B. DynamoDB can throttle requests so that requests are not exceeded
C. HTTP 400 code is returned (Bad Request)
D. HTTP 500 code is returned (Server Error)
E. DynamoDB automatically increases read/write units if provisioned
throughput is enabled
Answer (B,C)
Question 30:
What read consistency method provides lower latency for GetItem requests?
A. strongly persistent
B. eventually consistent
C. strongly consistent
D. write consistent
Answer (B)
Question 31:
You must specify strongly consistent read and write capacity for your
DynamoDB database. You have determined read capacity of 128 Kbps and
write capacity of 25 Kbps is required for your application. What is the read
and write capacity units required for DynamoDB table?
A. 32 read units, 25 write units
B. 1 read unit, 1 write unit
C. 16 read units, 2.5 write units
D. 64 read units, 10 write units
Answer (A)
Question 32:
What DynamoDB capacity management technique is based on the tenant
specifying an upper and lower range for read/write capacity units?
A. demand
B. provisioned throughput
C. reserved capacity
D. auto scaling
E. general purpose
Answer (D)
Question 33:
What is the maximum volume size of a MySQL RDS database?
A. 6 TB
B. 3 TB
C. 16 TB
D. unlimited
Answer (C)
Question 34:
What is the maximum size of a DynamoDB record (item)?
A. 400 KB
B. 64 KB
C. 1 KB
D. 10 KB
Answer (A)