Sample Cloud Practitioner Questions
Which statements regarding VPC Peering are accurate? (select 2) 1) Two VPCs in different aws regions and under separate aws accounts can share traffic between each other 2) in order for vpc peering to work, each vpc should have a public subnet 3) in vps peering, it is possible for traffic from one vpc to transverse through an transit vpc in order to reach a third vpc 4) traffic between vpc peers in different aws regions is not encrypted by default 5) vpc peering can be used to replicate data to geographically distinct locations for fault tolerance, disaster recovery and redundancy
1) Two VPCs in different aws regions and under separate aws accounts can share traffic between each other 5) vpc peering can be used to replicate data to geographically distinct locations for fault tolerance, disaster recovery and redundancy
An ELB instance is configured with the default healthCheck and Response Timeout intervals as 30s and 5s respectively. How long will it take for an instance within a target group to be labeled as OutOfService if it goes down a second after the latest HealthCheck?
34 seconds. You would have a health check 29s after this, and then 5 more secods of the ELB instance probing it to see if it was going to fail it. So 29 + 5s = 34s
During an organizations information systems audit, the admin is requested to provide a dossier of security and compliance reports as well as online service agreements that exist between the org aad between aws. Which service can they use to acquire this information? a) artifact b) resource center c) service catalog d) directory service
AWS Artifact
In the AWS Billing and Management service, which tool can provide usage based forecasts of estimated billing costs and usage for the coming months?
AWS Cost Explorer
You have an app developed in .NET. This app works with the S3 buckets in a particular region. The app is hosted on an EC2 instance. Which of the following should ideally be used to ensure that the EC2 instance has the appropriate access to the S3 buckets? Users Groups IAM Roles IAM Policies
AWS IAM ROLES
Your company is planning to use the AWS cloud, but there is a management decision that resources need to be split department wise. and the decision is tending towards managing multiple AWS accounts. Which of the following would help in effective management and also provide an efficient costing model? a. aws organizations b/ amazon Dev Pay c. Trusted Advisor d. Cost explorer
AWS Organizations
A website for an international sports governing body would like to serve its content to viewers from different parts of the world in their vernacular language. Which is the most suitable service that will allow different language version of the same website to be served, according to where in the world the browser is viewing from?
Amazon Route53
In a fully managed service such as amazon Aurora, what are the implications of the shared responsibility model?
Amazon is responsible for the EC2 instances, the operating system updates, patching of software and its maintenance
A startup company for social media apps would like to grant freelance devs temporary access to its lambda functions setup on aws. These developers would be signing in via facebook authentication. Which service is the most appropriate to use in security granting this access? a) create user creds using IAM b) use amazon cognito for web-identity federation c) create temp access roles using IAM d) use a third party web ID, federated access provider
B) Use Amazon Cognito for web-identity federation
Which 2 statements best describe the AWS personal health dashboard? a) a concise represetnation of the general status of AWS services b) a user specific view on the availability and performance of the aws services underlying their aws resources c) a service that prompts the user with alerts and notifications on aws scheduled activities, pending issues, and planned changes d) a minute by minute update of system outages and service errors on the aws global infrastructure e) a rolling log of all service interruptions across the aws network, records of incidencies persistent for a year
B) user specific view on the availability and performance of aws services underlying their aws resources C) a service that prompts the user with alerts and notifications on aws scheduled activities, pending issues, and planned changes
Why does it take between 24-48hrs for changes made to a hosted zone in Amazon Route53 to reflect globally?
DNS resolvers around the world cna only reflect the changes in their cache after the Time to Live (TTL) has expired, it is 24hrs by default.
Why is Amazon DynamoDB service best suited for implementation in mobile, IOT and gaming applicaitons?
DynamoDB has a flexible data model and single digit millisecond latency
Which of the following services allows you to distribute load across multiple EC2 instances? Autoscaling Elastic Load Balancer Regions IAM
Elastic Load Balancer
Which of the following will allow you to distribute load across multiple EC2 instances? 1) AWS Autoscaling 2) AWS Elastic Load Balancer 3) AWS Regions 4) AWS IAM
Elastic load balancer. This automatically distributes incoming app traffic across multiple targets, such as EC2s, contaners, IP addresses. It can handle this over a single or multiple Availability Zones.
A company wants to utilize AWS storage. For them low storage cost is paramount, the data is rarely retrieved, and data retrieval times of several hours are acceptable. What is the best storage option? a) glacier b) s3 reduced redundancy storage c) EBS backed storage connected to EC@ d) aws cloudfront
Glacier
A cloud solutions architect needs to execute mission critical tasks on the AWS managemnt console, but has left their windows based machine at home. What secure option can be used to administer these tasks on the cloud infrastructure given that the only non graphical user interface (Non GUI) linux based machines are readily available?
Install and run AWS CLI on ne of the non GUI Linux based machines, in a shell enviroment such as bash, the cloud solutions architect can then access ALL services as they would from a Windows based machine.
Which of the following AWS Services can be referred to as a serverless service? (Select 3) 1) AWS Lambda 2)Elastic Load Balancing 3)Amazon SNS 4) Amazon DynamoDB
Lambda, SNS, DynamoDB
Your development team is planning to host a development enviroment on the cloud. This consists of EC2 and RDS instances. This enviroment will probably only be required for 2 months. Which types of instances would you use for this purpose?
On-Demand
Which of the following allows you to carve out a portion of the AWS cloud? 1) Subnets 2) VPC 3) Regions 4) Availability zones
VPC (Virtual Private Cloud)
An admin is looking to run their cloud infrastructure along best practice guidelines by leveraging on amazon inspector and aws trusted advisor services. Which of the following statements correctly describes how this can be done (Seclect 2) a. running amazon inspector service to probe and protect cloud infrastructure from threats regularly b. adhering to recommendations given in the main pillars of aws trusted advisor, which are cost optimization, security, performance, fault tolerance and service limits c. regularly running amazon inspector service on ec2 instances to get a concise list of security vulnerabilities and exposures to attack d. aws trusted advisor will highlight pending tasks to be resolve din only performance and cost optimization best practices whilst amazon inspector will alert the admin of security vulnerabilities e. amazon inspector will highlight pending tasks to be resolved in only performance and cost optimization best practices whilst aws trusted advisor will alert the admin of security vulnerabilities
b. adhering to recommendations given in the main pillars of aws trusted advisor, which are cost optimization, security, performance, fault tolerance and service limits c. regularly running amazon inspector service on ec2 instances to get a concise list of security vulnerabilities and exposures to attack
The firm that you work for is considering migrating to aws. they are concerned about cost and the initial investment that is needed. Which of the folowing features of AWS pricing helpt lower the initial investment amount needed? Choose 3 answers from the options given below. a) The ability to choose the lowest cost vendor b) the ability to pay as you go c) no upfront costs d) discounts for upfront payments
the ability to pay as you go, no upfront costs, discounts for upfront payments
