Practice Test 1 Flashcards
Which of the following is the most cost-effective AWS Support Plan to use if you need access to AWS Support API for programmatic case management?
- Enterprise
- Developer
- Business
- Basic
Business
What service provides the lowest-cost storage option for retaining database backups which also allows occasional data retrieval in minutes?
- EFS
- S3
- EBS
- S3 Glacier Flex
S3 Glacier Flex
Which of the following Amazon EC2 instance purchasing options can help you address compliance requirements and reduce costs by allowing you to use your existing server-bound software licenses?
- dedicated instance
- on-demand instance
- dedcated host
- reserved instance
Dedicated Host
An Amazon EC2 Dedicated Host is a physical server with EC2 instance capacity fully dedicated to your use. Dedicated Hosts can help you address compliance requirements and reduce costs by allowing you to use your existing server-bound software licenses.
Which Amazon EC2 instance purchasing option lets you take advantage of unused EC2 capacity in the AWS Cloud and provides up to a 90% discount compared to On-Demand prices?
- standard reserved instance
- dedicated host
- spot instance
- convertible reserved instance
Spot Instance
Amazon EC2 Spot Instances lets you take advantage of unused EC2 capacity in the AWS cloud. Spot Instances are available at up to a 90% discount compared to On-Demand prices. You can use Spot Instances for various stateless, fault-tolerant, or flexible applications such as big data, containerized workloads, CI/CD, web servers, high-performance computing (HPC), and other test & development workloads. Because Spot Instances are tightly integrated with AWS services such as Auto Scaling, EMR, ECS, CloudFormation, Data Pipeline, and AWS Batch, you can choose how to launch and maintain your applications running on Spot Instances.
Which of the following are regarded as regional services in AWS? (Select TWO.)
- R53
- EC2
- Batch
- EFS
- Security Token Service
Batch & EFS
sts/r53 - global
other - zonal
Which of the following services is capable of inspecting your AWS environment and making recommendations to lower expenditures, improve system performance and reliability, and close security gaps?
- trusted advisor
- inspector
- cost explorer
- budgets
Trusted Advisor
AWS Trusted Advisor is an online tool that provides you real-time guidance to help you provision your resources following AWS best practices. It inspects your AWS environment and makes recommendations for saving money, improving system performance and reliability, or closing security gaps.
Users from different parts of the globe are complaining about the slow performance of the newly launched photo-sharing website in loading their high-resolution images. Which combination of AWS services should you use to serve the files with lowest possible latency? (Select TWO.)
- glacier
- efs
- storage gw
- s3
- cloudfront
CloudFront & S3
Which of the following is best suited for load balancing Transmission Control Protocol (TCP), User Datagram Protocol (UDP), and Transport Layer Security (TLS) traffic and has the capability of handling millions of requests per second while maintaining ultra-low latencies?
- alb
- glb
- nlb
- none
NLB
Which of the following is a data transport solution that accelerates moving terabytes to petabytes of data into and out of AWS using appliances with on-board storage and compute capabilities?
- snowball edge
- snowcone
- lambda@edge
- snowmobile
snowball edge
Agility is one of the benefits of using cloud computing that provides customer with what advantage?
- focus valuable resources on dev’ing apps instead of managing infra
- trade capex for var expense
- easily deploy app globally in mins
- avoid over-provisioning of infra
focus valuable resources on dev’ing apps instead of managing infra
What service acts as a firewall for your EC2 instances?
- vpc
- sg
- nacl
- eni
Security Group
What is the best way to keep track of all activities made in your AWS account?
- ldap auth
- use cloudwatch to log all activities
- mfa to know tho’s in env currently
- multi-region cloudtrail trail
Set up MFA logging to know who is currently in your env
Which service will allow you to quickly deploy your application into the AWS Cloud without having to build or launch the individual resources yourself?
- ecs
- eks
- elastic beanstalk
- ebs
Elastic Beanstalk
You noticed that you cannot reach one of your EC2 web servers behind an ELB whenever you enter the DNS name of your load balancer. Which of the following should you first check to gain more insight on the issue?
- cloudwatch
- cloudtrail
- config
- elb health check
ELB Health Check
What is the minimum support plan that will provide you access to all Trusted Advisor Checks?
- enterprise
- basic
- developer
- business
business
Which of the following services will be able to reroute traffic to your secondary EC2 instances in another region during disaster recovery?
- r53
- elb
- vpc peering
- vpc
Route 53
Your organization would like to boost productivity by improving business communication channels and customer service experience. Which of the following AWS applications would you suggest? (Select TWO.)
- chime
- workspace
- connect
- transfer family
- marketplace
chime + Connect
Amazon Chime is a high-quality communications service that transforms online meetings with an easy-to-use app that works seamlessly across all your devices.
Amazon Connect is an easy-to-use omnichannel cloud contact center that helps companies provide superior customer service across voice, chat, and tasks at a lower cost than traditional contact center systems.
You have a large number of log files that will be archived in AWS for a long time and should have a retrieval time of 12 hours or less. Which service is the most cost-effective storage class for this purpose?
- s3 glacier instant retrieval
- s3 glacier deep archive
- s3 standard ia
- ebs cold hdd
s3 glacier deep archive
In which of the following occasions should you use the Amazon SQS in your application system? (Select TWO.)
- automate certain tasks in workflow
- durable storage for app events or messages
- need to submit push notifications
- requires use of industry-standard messaging
- need to decouple parts for better fault tolerance
- durable storage for app events or messages
- need to decouple parts for better fault tolerance
You have a fleet of on-premises servers that require a centralized scalable and durable file storage. It should be able to support massive parallel access. Which of the following is the most appropriate service to use?
- s3
- efs
- storager gateway
- redshift
EFS
Which of the following provides you access to Reserved Instance (RI) purchase recommendations based on your past usage and indicate potential opportunities for savings as compared to On-Demand usage?
- billing fash
- cost & usage report
- cost explorer
- budget
cost explorer
How can your RDS production instances be more cost-effective when they will be used for a long period of time?
- request reserved instances for discounts
- easily backup, terminate, and recreate
- stop rds instances to prevent charges
- no charging when idle
- request reserved instances for discounts
A customer wants to further secure his network beyond security groups and network access control lists. Which of the services below can be used to provide the additional security features? (Select TWO.)
- kms
- waf
- sqs
- sso
- guardduty
waf + guard duty
A customer wants to further secure his network beyond security groups and network access control lists. Which of the services below can be used to provide the additional security features? (Select TWO.)
- kms
- waf
- sqs
- sso
- guardduty
waf + guard duty
Which AWS well-architected pillar stresses the importance of selecting the most appropriate and right number of resource types for your requirements?
- cost optimization
- reliability
- performance efficiency
- ops excellence
cost optimization
You believe that your AWS root account may have been used without you knowing. What can you do to tighten the security on the root account?
configure mfa for root
Auto-Scaling based on demand is an implementation of which AWS cloud best practice?
implement elasticity
A MariaDB RDS database is known to have high memory consumption during peak hours which deteriorates the overall performance of your application. What cost-effective change can you introduce to resolve this issue if the database is handling write-intensive operations?
- distribute workload by running multiple instances
- switch to DDB
- scale vertically w/ more memory
- add read replicas
- scale vertically w/ more memory