AWS certified solutions architect associate practice tests

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1) Your application runs in a production environment that has 4 identical web servers that makes use of auto scaling. All of these web servers make use of same public subnet and belong to the same security group. All of these web servers are seated behind same elastic load balancer. Now, you add 5th instance into the same subnet, same security group. This does not have internet connectivity. Why is that?
a) This instance has not been assigned elastic IP address
b) Route table has not been updated
c) NAT is not configured properly
d) none of the above
Answer : a
2) Amazon’s Elasticache uses two caching engines. What are those two engines?
a) Redis & Memcached
b) Memcached and RDS
c) Reddit & Memcrush
d) Redis & Memory
Answer : a
3) Which AWS service is used for collating large amounts of data streamed from multiple sources?
a) Cloudwatch
b) Kinesis
c) SNS
d) Cloud Capture
Answer : b
4) An AWS computing service is specifically designed to process large data sets, Which one is that?
a) Cloudfront
b) EC2
c) Elasticache
d) Elastic MapReduce aka EMR
Answer : d
5) Do you know about about Amazon’s Glacier service? Which of the following best describes the use cases for Glacier?
a) Infrequently accessed data & data archives
b) Hosting active databases
c) Replicating Files across multiple availability zones and regions
d) Frequently Accessed Data
Answer : a
6) When you have a heavy OLTP environment with autoscaling in place is there a way to limit the number instances launched within a given timeslot?
a) Yes with autoscaling cooldowns
b) Nope
Answer : a
Explanation : The Auto Scaling cooldown period is a configurable setting for your Auto Scaling group that helps to ensure that Auto Scaling doesn’t launch or terminate additional instances before the previous scaling activity takes effect
7) You have web application that must be able to call the S3 API in order to be able to function. Where should you store your API credentials while maintaining the maximum level of security?
a) For safety purpose create a role in IAM and assign this role to an EC2 instance while creating it first
b) Save API credentials in a public github repository
c) Get the API credentials using the EC2 instances User Data
d) None of the above
Answer : a
8) Which of the AWS services can receive data emitted from Kinesis stream? Choose all that apply
a) RDS
b) Lambda
c) Elasticsearch
d) Redshift
e) DynamoDB
f) S3
Answer : c,d,e,f
9) Are Kinesis streams appropriate for persistent storage of your streaming data?
a) Yes
b) No
Answer : b
10) How long can a kinesis stream data be stored by default?
a) 10 hours
b) 24 hours
c) 48 hours
d) 72 hours
Answer : b
11) What is the maximum number of days that a kinesis stream data can be stored?
a) 7 days
b) 14 days
c) 21 days
d) 30 days
Answer : a
12) What allows emitting of data from streams to various AWS services?
a) Lambda connector library
b) Kinesis Connector Library
c) S3 connector library
d) SNS connector library
Answer : b
13) Can you add a local secondary index to a DynamoDB table after it has been created?
a) Yes
b) No
Answer : b
14) What is the capacity of a shard in a Kinesis stream in terms of data read-rate for data output?
a) 2 MB/s
b) 4 MB/s
c) 6 MB/s
d) 8 MB/s
Answer: a
15) Is it true that Route53 is Amazon DNS Service?
a) Yes
b) No
Answer : a
16) Does Route53 support MX the mail Records?
a) Yes
b) No
c) Only in Us-East Virginia region
d) In all regions except virginia
Answer : a
17) What is the reason behind Route53 naming convention?
a) The DNS Port is on Port 53 and Route53 is a DNS Service
b) It was invented in 1853
c) None of the above
Answer : a
18) SQS can have duplicate messages in queue. True or false
a) True
b) False
Answer: a
Explanation : Simple queue service offers default type of queue standard that allows duplicate messages
19) What is the maximum number of SWF domains allowed in a typical AWS account?
a) 50
b) 100
c) 150
d) 200
Answer : 100
Explanation : Amazon simple workflow service offers an option to maintain total of 100 registered domains that can be both registered and deprecated
20) You have configured custom VPC. How many internet gateways can I be attached to custom VPC ?
a) 1
b) 2
c) 3
d) 4
Answer : a
21) Is it true that amazon SQS keeps track of all tasks and events in an application?
a) True
b) False
Answer: b
Explanation : We must implement our own application level tracking while making use of SQS
22) Is it true that amazon SWF keeps track of all tasks and events in an application?
a) True
b) False
Answer : a
Explanation : It is true that this is tracked by AWS simple workflow service
23) Who is a owner in AWS permission model?
a) User identity
b) email address used to create AWS account
c) Phone number of user
d) Both user identity and email address used to create AWS account
Answer : d
24) What is the VisibilityTimeout value of an SQS message in a FIFO queue?
a) 1 hour
b) 12 hours
c) 24 hours
d) 48 hours
Answer : b
25) Is it true that visibility timeout controls how long a message is invisible in the queue while it is being worked on by a processing instance?
a) True
b) False
Answer : a
26) Is it true that visibility timeout controls how long the message can remain in the queue?
a) True
b) False
Answer : b
27) You have been asked to make use of AWS tool that is fault-tolerant and cost-effective while implementing AWS architectures. Which tool will you use?
a) autoscaling
b) autisharding
c) autodeploy
d) none of the above
Answer: a
28) You project makes use of DynamoDB. Do you need to provision this across multiple availability zones?
a) Yes
b) No
Answer : b
29) Your project makes use of S3 buckets as storage container. Do you need to provision this across multiple availability zones?
a) Yes
b) No
Answer : b
30) You are making use of SQS as your queuing solution. Do you need to provision this across multiple availability zones?
a) Yes
b) No
Answer : b
31) Which among these AWS services have automated already built in fault tolerant fashion and dont need provision across multiple zones?
a) S3
b) SWF
c) SQS
d) Dynamodb
d) RDS
Answer: a,c,d
32) Is organizational unit a component of IAM?
a) yes
b) No
Answer : b
33) Do you know which language is made use of while creating IAM policy documents?
a) javascript
b) JSON
c) BSON
d) python
Answer : b
34) Is power user same as root user?
a) Yes
b) No
Answer : b
Explanation : root is the superuser with supreme privileges

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AWS associate architect exam questions

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1) What is the total volume of data and number of objects that can be stored in Amazon S3 bucket?
a) 1TB
b) 2TB
c) 5TB
d) Unlimited
Answer : a
2) You are uploading objects onto amazon S3 buckets using PUT. What is the largest object that can be uploaded onto S3 in single PUT operation?
a) 5TB
b) 5GB
c) 4MB
d) 5KB
Answer : b
3) What is the maximum size of amazon S3 objects that can be stored in S3?
a) 3TB
b) 5TB
c) 10TB
d) unlimited
Answer : b
4) You have requirement to upload object onto S3 bucket that is 4TB in size. Which capability will you make use of?
a) Multipart upload
b) Multipart PUT
c) Mutipart update
d) Multipate caching
Answer : a
5) What are the different storage classes offered by amazon S3. Choose all that apply?
a) S3 IA
b) S3 RRS
c) Amazon Glacier
d) EBS volumnes
Answer : a,b,c
6) Can I store 0byte sized file in amazon S3?
a) Yes
b) No
Answer : a
Explanation: S3 can store unlimited data with sizes ranging from 0 bytes to 5TB
7) You want to delete multiple objects from S3. How can you accomplish that?
a) Multi-Object Delete operation
b) Multi-Object Purge operation
c) Multi-Object Drop operation
d) Multi-Object Truncate operation
Answer : a
8) When using a custom VPC and placing an EC2 instance in to a public subnet, it will be automatically internet accessible and you do not need to apply an elastic IP address or ELB to the instance. Is it true or false?
a) True
b) False
Answer : b
Explanation : As part of this configuration we need to allocate an Elastic IP address and assign it to your instance after it’s launched
9) If an Amazon EBS volume is an additional partition and not the root volume we can detach it without stopping the instance. Say if this is possible?
a) Yes, although it may take some time
b) No, you will need to stop the instance
Answer : a
Explanation : Yes. An EBS volume other than root volume can be detached from live running instance. AWS CLI commands can be used for this purpose as well
10) You just started using AWS. Do you know how many regions are there in AWS?
a) 11
b) 13
c) 16
d) 20
Answer : c
Explanation : By 2018 new regions in stockholm sweden will be available. Lots more have been planned and expansion actions are underway owing to growing popularity of AWS. Keep watching for this value to change in coming days
11) I’ve saved my files in S3. How durable are they?
a) 99.999999999%
b) 99.99999999%
c) 99.9999999%
d) 99%
Answer : a
Explanation: As a easy memory trick remember 99. nine 9’s. Count it for double confirmation 🙂
12) You are making use of oracle database in AWS RDS. Your performance tuning team recommended change of parallel_processes parameter followed by instance reboot to bring down CPU spike in production environment. Currently you have multi-AZ deployment in place. Can you reboot this oracle instance now?
a) Yes
b) No. Reboot not allowed in RDS
Answer : a
Explanation : It is possible as multi-AZ will failover the instance onto standby database, update DNS as reboot with failover is allowed by multi-AZ
13) Your manager asked you to test oracle RDS high availability. Is it possible to force a failover of oracle RDS configured in multi-AZ?
a) Yes
b) No
Answer : a
14) You have access to AWS CLI and have been asked to reboot the RDS instance with forced failover. You have oracle RDS to work with now. How will you accomplish that?
a) reboot-db-instance –db-instance-identifier ORACLE_SID –force-failover
b) restart-db-instance –db-instance-identifier ORACLE_SID –force-failover
c) shutdown-db-instance –db-instance-identifier ORACLE_SID –force-failover
d) switch-db-instance –db-instance-identifier ORACLE_SID –force-failover
Answer : a
15) You have created a new security group. Is all outbound traffic allowed by default?
a) Yes
b) No
Answer : a
Explanation : By default, a security group includes an outbound rule that allows all outbound traffic
16) You have been asked to choose an instance that are designed to provide moderate baseline performance and the capability to burst to significantly higher performance as required by your workload. Which one will you choose?
a) T2 instances
b) Compute Optimized Instances
c) Memory Optimized Instances
d) Storage Optimized Instances
Answer : a
17) You are looking for an instance that offers small amount of consistent CPU resources and allow you to increase CPU capacity in short bursts when additional cycles are available. Which one will you choose?
a) T2 instances
b) Compute Optimized Instances
c) Memory Optimized Instances
d) T1 Micro Instances
Answer : d
18) Where are individualized instances provisioned?
a) Regions
b) Availability Zones
c) Globally
Answer : b
19) You have to assign your own metadata that will help you manage your Amazon EC2 instances . Which form will you make use of?
a) Tags
b) Wildcards
c) Certificates
d) Notes
Answer :a
20) To save administration headaches, Amazon recommends that you leave all security groups in web facing subnets open on port 22 to 0.0.0.0/0 CIDR. That way, you can connect where ever you are in the world. Is this correct?
a) True
b) False
Answer : b
Explanation : This will be security issue

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1) You are making use of MySQL database as your production database You want to configure read replicas. How many number of read replicas can you have as maximum for your mysql database?
a) 1
b) 3
c) 5
d) 7
Answer : c
2) You are in process of disaster recovery testing of your databases hosted in AWS RDS. There is a requirement to failover from one availability zone to another using RDS. what will you do?
a) Make use of API call RDSForceFailover
b) Right click on the RDS instance and select Force Failover
c) we can’t force failover on live instance. To replicate a failure of AWS reboot RDS instance to initiate failover
d) Using S3 bucket reboot
Answer : c
3) You have created a new autoscaling group using instances however you discover that your instances are not launching in to it. Which of the following is not a reason that this might be happening?
a) The associated Key Pair does not exist
b) The security group does not exist
c) The autoscaling config is not working correctly
d) Instance type specified is not supported for autoscaling
Answer : d
4) You are involved in business continuity project. You are currently working on disaster recovery. Do you know what does RTO stand for in disaster recovery?
a) Recovery Time Objective
b) Recovery Test Objective
c) Resilient Test Objective
d) Resilient Training Objective
Answer : a
5) Can you have read replicas of read replicas in AWS?
a) Yes
b) No
Answer : a
6) Your web site is hosted on 10 EC2 instances in 5 regions around the globe with 2 EC2 instances per region. How could you configure your site to maintain site availability with minimum downtime if one of the 5 regions was to lose network connectivity for an extended period of time?
a) Create an Elastic Load Balancer to place in front of the EC2 instances. Set an appropriate health check on each ELB
b) Establish VPN Connections between the instances in each region. Rely on BGP to failover in the case of a region wide connectivity outage
c) Create a Route 53 Latency Based Routing Record Set that resolves to an Elastic Load Balancer in each region. Set an appropriate health check on each ELB
d) Create a Route 53 Latency Based Routing Record Set that resolves to Elastic Load Balancers in each region and has the Evaluate Target Health flag set to true.
Answer : d
7) You have configured a subnet within VPC that has atleast one route in its routing table that uses internet gateway and is available to public via internet. What is this called?
a) Public subnet
b) Private subnet
c) Virtual Subnet
d) Hybrid Subnet
Answer : a
8) You have been asked to configure public subnet within a VPC. How will you accomplish this?
a) Update the routing table with atleast one route that uses an Internet Gateway
b) Update the routing table with atleast one route that routes using Network Address Translation instance
c) Update the routing table with atleast one route that routes using NACL
d) None of the above
Answer : a
9) Which AWS service has durable key value store?
a) Glacier
b) Amazon S3
c) ESB
d) ELB
Answer : b
10) You have to implement chef recipes using AWS orchestration service. Which service will you make use of?
a) Cloudfront
b) EMR
c) Elastic Beanstalk
d) Cloudformation
e) Lambda
Answer : c
11) Which sections form part of cloudformation template?
a) Outputs
b) Declarations
c) Mappings
d) Parameters
e) Resources
Answer : a,b,c,d,e
12) You manager asked you meaning of RRS. What does RRS stand for in AWS S3?
a) Reduced Redundancy Storage
b) Regional right Storage
c) Relational Reaction Storage
d) Reduced Redundancy Services
Answer : a
13) List the features supported by AWS Elastic Beanstalk service?
a) Application health monitoring
b) Auto scaling
c) DNS Record management
d) Load balancing
e) Capacity provisioning
f) Chef recipe orchestration
g) Disaster Recovery
Answer : a,b,d,e,f
14) You are making use of AWS key management services for security purposes. List the AWS services that are integrated with Key Management Service (KMS)?
a) DynamoDB
b) EBS
c) S3
d) Redshift
e) DirectConnect
f) RDS
Answer : b,c,d,f
15) You have terminated your Amazon EC2 instance. Do you know how long cloudwatch metrics data are accessible for terminated AWS EC2 instance?
a) Period of 2 hours
b) Period of 2 days
c) Period of 2 weeks
d) Period of 2 months
Answer : c
16) You have deleted your ELB. Do you know how long cloudwatch metrics data are accessible for deleted ELB?
a) Period of 2 hours
b) Period of 2 days
c) Period of 2 weeks
d) Period of 2 months
Answer : c
17) You are designing a DR solution for your project. Which AWS S3 class standard will you make use of for low cost high performance requirement?
a) S3 Infrequent access
b) S3 RRS
c) Glacier
d) EBS
Answer : a
18) You have created your amazon S3 bucket in US East region. Is there a restriction on DNS naming convention on this bucket name?
a) Yes
b) No
Answer : b
Explanation : All bucket names comply with DNS naming conventions. These conventions are enforced in all regions except for the US East (North Virginia) region.
19) You are creating a bucket and get the error Bucket already exists. Select a different bucket name.How will you handle this?
a) Bucket ownership is not transferable. S3 uses a single namespace across accounts and across regions. Use a different bucket name
b) Contact the owner with the bucket name, have it transferred to your account
c) Create a bucket with different name following DNS naming convention
d) All of the above
Answer : c
20) is data transfer between storage gateway and on-premise data center optimized?
a) YEs using SSD
b) Yes using caching
c) No
d) Yes using local hard disk
Answer : b

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AWS solutions architect exam practice questions

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1) As the AWS platform is PCI DSS Level 1 Certified, I can immediately deploy a website to it that can take and store credit card details without getting a delta accreditation from a QSA. Am I correct?
a) True
b) False
Answer : b
Explanation : A merchant’s QSA can always rely on AWS Attestation of Compliance (AOC) to demonstrate an extensive assessment of physical security controls of AWS data centers.
2) What does RRS stand for in S3?
a) Relational Reduced Storage
b) Reactive Replicating Storage
c) Reduced Replication Storage
d) Reduced Redundancy Storage
Answer : d
3) With new RDS Db instances, automated backups are enabled by default?
a) True
b) False
Answer : a
4) What are the four levels of AWS premium support?
a) It’s an IAAS platform, so there is no support
b) Free, Bronze, Silver, and Gold
c) Basic, Startup, Business, and Enterprise
d) Basic, Developer, Business, and Enterprise
Answer : d
5) Which set of RDS database engines is currently available?
a) Aurora, MySQL, SQL, Cassandra
b) PostGres, Cassandra, MongoDB, Aurora
c) Oracle, SQL, MySQL, Cassandra
d) Oracle, SQL, MySQL, Postgres
Answer : d
6) Amazon’s Glacier service is a Content Distribution Network that integrates with S3. Say if it is true or false?
a) True
b) False
Answer : b
Explanation : Amazon archival is data backup and archival solution not CDN in AWS
7) You can RDP or SSH in to an RDS instance to see what is going on with the operating system. Say if this is possible?
a) True
b) False
Answer : b
Explanation : In AWS environment EC2, sysopswork are some services that have OS access not RDS
8) In a default VPC, all Amazon EC2 instances are assigned 2 IP addresses at launch. What are they?
a) A Private IP Address & Public IP Address
b) A Public IP Address & Secret IP Address
c) An Elastic IP Address & Public IP Address
d) An IPv6 Address and Elastic IP Address
Answer : a
9) You have configured your EBS volume to be used with EC2 instance with DeleteOnTermination set to deafult settings. The EBS volume is used as root volume. Instance has been terminated. What will happen to EBS volume?
a) EBS root volume is retained
b) EBS root volume is corrupted
c) EBS root volume is deleted
d) EBS root volume is orphaned and moved to lost+found directory
Answer : c
Explanation : The default setting of DeleteOnTermination attribute for root volumes is set to true. EBS root volume is deleted when its associated instance is terminated
10) You have configured your ec2 instance to make use of EBS root volume with a setting to retain EBS root volume while the instance is terminated. Is it possible?
a) No not possible. Always DeleteOnTermination is set to true so EBS root volume is deleted
b) Yes possible to modify using AWS console or AWS CLI the command line interface
c) Not possible. Only additional EBS volumes can be retained by modifying DeleteOnTermination
d) Not possible as EBS volume is always deleted irrespective of setting
Answer : b
Explanation : Using AWS console or AWS CLI we can modify DeleteOnTermination to retain EBS root volume upon termination of EC2 instance
11) You’ve created an EC2 instance to make use of EBS root volume with DeleteOnTermination set to its default tru value. While the instance is running there is a requirement to retain the EBS root volume upon instance termination. How will you accomplish this?
a) Make use of AWS CLI to modify DeleteOnTermination setting of a running instance
b) Not possible to change the value for a running instance
c) Directly edit this setting from OS level file
Answer: a
12) You have created a S3 bucket with versioning enabled. After sometime there comes a management decision to disable versioning in there. You have been asked to create lifecycle policies on that S3 bucket. Is this possible?
a) Yes. Lifecycle rules can be added to buckets that have versioning in enabled or disabled status
b) No because versioning is enabled
c) There is no concept of lifecycle rules when it comes to S3 objects
d) None of the above
Answer : a
13) You have created 3 versions of same objects in S3 bucket. You are going to add lifecycle rules onto this S3 bucket objects. Can you add lifecycle configuration to all three version of these objects of which one is current and two are con-current?
a) Yes
b) No
Answer : a
Explanation : Using lifecycle configuration it is possible to add actions specific to both current and non-current version of amazon S3 bucket objects
14) You try to enable lifecycle policies on one of the S3 buckets created by you, but you are not able to do so on that particular bucket. What could be causing this issue?
a) Bucket is corrupted and not available
b) Versioning is not enabled on that bucket
c) Bucket type is not correct
d) Versioning is enabled on the bucket causing the issue
Answer: b
15) How will you manage the lifecycle of objects in amazon S3 buckets?
a) By enabling lifecycle policies
b) By enabling versioning
c) By enabling backup
d) By enabling replication
Answer : a
Explanation : Lifecycle policies define how Amazon S3 manages objects during their lifetime. You need to enable bucket versioning to manage S3 lifecycle policies. The versioning can be in enabled or disabled status but should have been initially enabled
16) What is a Elastic Network Interface ENI in AWS?
a) Additional network interfaces that can be created and attached to any Amazon EC2 instance in your VPC
b) Primary network interface that can be created and attached to any Amazon EC2 instance in your VPC
c) Private network interface that can be created and attached to any Amazon EC2 instance in your VPC
d) Subnet that can be created and attached to any Amazon EC2 instance in your VPC
Answer : a
17) What is included in ENI?
a) Primary Public IP address
b) Primary Private IP address
c) Public subnet address
d) Routing tables
Answer : b
18) What kind of storage is amazon EBS storage volume?
a) Object based storage
b) Block based storage
c) Encrypted by default
d) Not suitable for databases
Answer : b
19) you have EBS snapshots. You want to perform some actions in existing snapshot. Is it possible to perform actions on an existing Amazon EBS Snapshot?
a) Yes, through the AWS APIs, CLI, and AWS Console safely
b) No. Not possible as snapshots are incremental point-in-time backups that will be corrupt once touched
c) It depends on the region
d) None of the above
Answer : a
20) I’ve a running EC2 instance with EBS volume as the root device of the instance. Can I detach it without stopping the instance?
a) Yes
b) No
Answer : b
Explanation : As in normal linux (or) unix machines root volume is the main volume that needs to be accessible for the machine to be up and running without any issues. Same does apply to EC2 instances as well

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