Udemy and AcloudGuru Quiz for SysOps Associate Exam
You can configure the Amazon SQS message retention period to a value from ____ minute to ____ days.
1 minute 14 days
What is the minimum time interval granularity for the data that Amazon CloudWatch receives and aggregates?
1 minute intervals
With AWS Config there are two types of rules: (Choose 2)
1. AWS Managed 2. Customer managed rules https://aws.amazon.com/config/faq/
Amazon SWF application is implemented by which three actors? (Choose 3)
1. Activity workers 2. Deciders 3. Workflow starters
What happens when you apply a CloudTrail trail to all regions? (Choose 3)
1. CloudTrail will create a new trail in all regions by replicating the trail configuration 2. CloudTrail will record and process the log files in each region 3. CloudTrail will deliver log files containing account activity across all AWS regions to a single S3 bucket and a single CloudWatch Logs log group If you specified an optional SNS topic, CloudTrail will deliver SNS notifications for all log files delivered to a single SNS topic. https://aws.amazon.com/cloudtrail/faqs/
AWS Config capabilities enable which of the following: (Choose 4)
1. Compliance Auditing 2. Security Analysis 3. resource change tracking 4. troubleshooting https://aws.amazon.com/config/faq/
When you create an AWS Organization, you can enable one of which two features? (Choose 2)
1. Consolidated billing 2. all features https://aws.amazon.com/organizations/faqs/
Amazon SNS offers several benefits: (Choose 3)
1. Instantaneous, push-based delivery (no polling) 2. Flexible messages delivery over multiple transport protocols 3. Simple APIs and easy integration with applications
Advantages of Consolidated Billing (which now is part of Organizations) are: (Choose 3)
1. One Bill. You get one bill for multiple accounts 2. Easy to track charges and allocate costs 3. Volume pricing discounts
The AWS API call history produced by CloudTrail enables following: (choose 3)
1. Security Analysis 2. Resource Change Tracking 3. Compliance Auditing
There are two types of SQS Queues: (Choose 2)
1. Standard Queue 2. FIFO Queue
Amazon SQS offers two methods for setting a policy: (Choose 2)
1.A simple API 2. an advanced API http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/acp-overview.html
The maximum visibility timeout for an Amazon SQS message is ___ hours.
12 hours
The maximum visibility timeout for an Amazon SQS message is ____ hours.
12 hours
With Organizations, there is a soft limit of ____ accounts per organization, and a hard limit of ____ level of billing hierarchy.
20 and one
Amazon SQS messages can contain up to _______ KB of text data, including XML, JSON and unformatted text.
256
You can configure the Amazon SQS message retention period to a value from 1 minute to 14 days. The default is ___ days.
4 days
A _____________ is an implementation of the coordination logic of your workflow type that runs during the execution of your workflow. You can run _____________________ for a single workflow type. (Choose 2)
A decider is an implementation of the coordination logic of your workflow type that runs during the execution of your workflow. You can run multiple deciders for a single workflow type.
With CloudTrail you can create two types of trails:
A trail that applies to all regions A trail that applies to one region http://docs.aws.amazon.com/awscloudtrail/latest/userguide/how-cloudtrail-works.html
AWS Organizations is integrated with _____________ , a service that captures AWS Organizations API calls and delivers the log files to an Amazon S3 bucket that you specify.
AWS Cloudtrail
_____________ is a fully managed service that provides you with an AWS resource inventory, configuration history, and configuration change notifications to enable security and governance.
AWS Config https://aws.amazon.com/config/faq/
_____________ makes it easy to track your resource configuration without the need for up-front investments and avoiding the complexity of installing and updating agents for data collection or maintaining large databases.
AWS Config https://aws.amazon.com/config/faq/
A change-triggered rule is executed when:
AWS Config records a configuration change for any of the resources specified https://aws.amazon.com/config/faq/
____________ offers policy-based management for multiple AWS accounts.
AWS Organizations
_________ is a web service that makes it easy to set up, operate, and send notifications from the cloud.
Amazon SNS
__________ follows the publish-subscribe (pub-sub) messaging paradigm, with notifications being delivered to clients using a push mechanism that eliminates the need to periodically check or poll for new information and updates.
Amazon SNS
_____________ provides developers with a highly scalable, flexible, and cost-effective capability to publish messages from an application and immediately deliver them to subscribers or other applications.
Amazon SNS
With _______________ , you can quickly build message queuing applications that can run on any computer.
Amazon SQS
___________________ offers a reliable, highly-scalable, hosted queue for storing messages in transit between computers.
Amazon SQS
_________ tasks represent invocations of various processing steps in an application which can be performed by executable code, web service calls, human actions, and scripts.
Amazon SWF
_________________ is a web service that makes it easy to coordinate work across distributed application components.
Amazon SWF
____________ is a collection of AWS accounts that you can organize into a hierarchy and manage centrally.
An organization
______________ is a service that allows you to maintain the availability of your applications by scaling Amazon EC2 capacity up or down in accordance with conditions you set.
Auto Scaling
Any AWS Config rule can be setup as a ________________ or as a ____________________.
Changed triggered rule periodic rule https://aws.amazon.com/config/faq/
What is CloudTrail integration with CloudWatch Logs?
CloudTrail integration with CloudWatch Logs delivers management and data events captured by CloudTrail to a CloudWatch Logs stream in the CloudWatch Logs group you specify https://aws.amazon.com/cloudtrail/faqs/
Amazon SQS cannot help you build a distributed application with decoupled components?
False
Amazon SQS is task oriented, whereas Amazon SWF is message oriented?
False
FIFO queues provide best-effort ordering, whereas Standard queues strictly preserve the order in which messages are sent and received?
False
Paying account should be used for billing purposes only, however if you need to deploy resources and you are short on time - it is ok to deploy resources into paying account?
False
SQS is a messaging service but SNS is not?
False
SQS is push-based?
False
In regards to AWS Config, a resource is compliant if complies with all rules, items and bandwidth that apply to it?
False A resource is compliant if complies with all rules that apply to it. Otherwise it is noncompliant. https://aws.amazon.com/config/faq/
Amazon CloudWatch only supports monitoring for Linux instances?
False Amazon CloudWatch receives and provides metrics for all Amazon EC2 instances and should work with any operating system currently supported by the Amazon EC2 service.
Configuration of a resource is defined by the data included in the Configuration Item (CI) of AWS CloudWatch and CloudTrail?
False Configuration of a resource is defined by the data included in the Configuration Item (CI) of AWS Config. https://aws.amazon.com/config/faq/
A decider is a process or thread that performs the activity tasks that are part of your workflow.
False - Activity worker is a process or thread that performs the activity tasks that are part of your workflow. The decider is a program that controls the coordination of tasks
Amazon SQS keeps track of all tasks and events in an application. Amazon SWF requires you to implement your own application-level tracking, especially if your application uses multiple queues?
False - Amazon SWF keeps track of all tasks and events in an application. Amazon SQS requires you to implement your own application-level tracking, especially if your application uses multiple queues.
Amazon SQS offers several features that facilitate application development, such as passing data between tasks, signaling, and flexibility in distributing tasks. Amazon SWF requires you to implement some application-level functionality?
False - Amazon SWF offers several features that facilitate application development, such as passing data between tasks, signaling, and flexibility in distributing tasks. Amazon SQS requires you to implement some application-level functionality.
According to Organizations best practices, you should assign policies directly to accounts rather than Organization Units (OU)?
False - Assign policies to OUs rather than to accounts
In Amazon SQS, an application is implemented by building workers and a decider which communicate directly with the service?
False - In Amazon SWF, an application is implemented by building workers and a decider which communicate directly with the service.
FIFO queues guarantee that a message is delivered at least once. However, occasionally (because of the highly-distributed architecture that allows high throughput), more than one copy of a message might be delivered out of order?
False - Standard queues guarantee that a message is delivered at least once. However, occasionally (because of the highly-distributed architecture that allows high throughput), more than one copy of a message might be delivered out of order.
When using Amazon SQS, long polling returns immediately, even if the message queue being polled is empty, whereas short polling doesn't return a response until a message arrives in the message queue, or the short poll times out?
False - While the regular short polling returns immediately, even if the message queue being polled is empty, long polling doesn't return a response until a message arrives in the message queue, or the long poll times out.
Amazon SWF API actions are message-oriented. Amazon SQS API actions are task-oriented?
False, Amazon SWF API actions are task-oriented. Amazon SQS API actions are message-oriented.
Amazon SWF requires you to implement your own application-level tracking, especially if your application uses multiple queues. Amazon SQS keeps track of all tasks and events in an application?
False. Amazon SWF keeps track of all tasks and events in an application whereas Amazon SQS requires you to implement your own application-level tracking, especially if your application uses multiple queues.
Standard queues are limited to 300 transactions per second per API action?
False. SQS Standard queue lets you have a nearly-unlimited number of transactions per second. FIFO queues are limited to 300 transactions per second per API action.
Amazon SNS supports notifications over multiple transport protocols. Customers can select one the following transports as part of the subscription requests: (Choose 4)
HTTP,HTTPs, EMAIL, EMAIL-JSON, SQS, Lambda and SMS
CloudWatch gathers metrics about CPU utilization from the ________ for a DB instance, and Enhanced Monitoring gathers its metrics from ________________ .
Hypervisor an agent on the instance http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_Monitoring.OS.html
To get Memory utilization metric for your EC2 instances, you can use Cloudwatch's available metrics for EC2 instances?
No Memory utilization is a custom metric and not available by default
Will turning on CloudTrail impact the performance of your AWS resources, or increase API call latency?
No. Turning on CloudTrail has no impact on performance of your AWS resource or API call latency https://aws.amazon.com/cloudtrail/faqs/
________________ helps simplify the billing for multiple accounts by enabling you to setup a single payment method for all the accounts in your organization through consolidated billing.
Organization
SNS is a ________ service, whereas SQS is a _________ service.
Push and pull(poll)
By default, CloudTrail log files are encrypted using _______________ and placed into your S3 bucket.
S3 Server Side Encryption (SSE) https://aws.amazon.com/cloudtrail/faqs/
What AWS service allows you to send push notification messages directly to apps on mobile devices?
SNS http://docs.aws.amazon.com/sns/latest/dg/SNSMobilePush.html
From options listed below what is a benefit of CloudTrail integration with CloudWatch Logs?
This integration enables you to receive SNS notifications of account activity captured by CloudTrail https://aws.amazon.com/cloudtrail/faqs/
A Standard queues guarantee that a message is delivered at least once. However, occasionally (because of the highly-distributed architecture that allows high throughput), more than one copy of a message might be delivered out of order?
True
A single Amazon SQS message queue can contain an unlimited number of messages?
True
AWS Organizations includes all the functionality of Consolidated Billing?
True
AWS Organizations is offered at no additional charge?
True
Amazon SNS can be used with other AWS services such as Amazon SQS, Amazon EC2 and Amazon S3?
True
Amazon SQS offers standard queue as the default queue type?
True
Amazon SWF API actions are task-oriented. Amazon SQS API actions are message-oriented?
True
Amazon SWF keeps track of all tasks and events in an application whereas Amazon SQS requires you to implement your own application-level tracking, especially if your application uses multiple queues?
True
Both SNS and SQS are messaging services?
True
Consolidated billing allows you to get volume discounts on all your accounts?
True
Every Amazon SQS queue has a configurable visibility timeout?
True
FIFO queues are limited to 300 transactions per second per API action?
True
In almost all cases, Amazon SQS long polling is preferable to short polling?
True
Long polling doesn't return a response until a message arrives in the message queue, or the long poll times out?
True
Paying account should be used for billing purposes only, you should not deploy resources into the paying account?
True
SQS Standard queue lets you have a nearly-unlimited number of transactions per second?
True
SQS has a retention period of 14 days, whereas SWF execution can run for a maximum of 1 year?
True
SQS is pull based?
True
Standard SQS queues guarantee that a message is delivered at least once?
True
Standard queues provide best-effort ordering, whereas FIFO queues strictly preserve the order in which messages are sent and received?
True
The most important features of FIFO queue type are FIFO (first-in-first-out) delivery and exactly-once processing?
True
When using Amazon SWF, the decider is a program that controls the coordination of tasks, i.e. their ordering, concurrency, and scheduling according to the application logic?
True
When using Amazon SWF, workers are programs that interact with Amazon SWF to get tasks, process received tasks, and return the results?
True
When using consolidated billing, unused reserved EC2 instances are applied across the group?
True
With Amazon SQS, you can move data between diverse, distributed application components without losing messages and without requiring each component to be always available?
True
With Standard queues, occasionally more than one copy of a message might be delivered out of order?
True
You can configure Auto Scaling to send an SNS notification whenever your Auto Scaling group scales?
True http://docs.aws.amazon.com/autoscaling/latest/userguide/ASGettingNotifications.html
When you create a CloudTrail trail that applies to all regions, CloudTrail creates the same trail in each region?
True http://docs.aws.amazon.com/awscloudtrail/latest/userguide/how-cloudtrail-works.html
In regards to AWS Config, a periodic rule is triggered at a specified frequency?
True https://aws.amazon.com/config/faq/
In Amazon SWF, an application is implemented by building workers and a decider which communicate directly with the service?
True https://aws.amazon.com/swf/faqs/
How long does it take CloudTrail to deliver log files for an API call?
Typically, CloudTrail delivers an event within 15 minutes of the API call. https://aws.amazon.com/cloudtrail/faqs/
AWS Organizations best practices recommends that you keep the Master Account free of any operational AWS resources with one exception. What is that exception?
Use AWS CloudTrail in the Master Account to centrally track all AWS usage in the Member accounts.
Amazon SQS includes methods to share your queues so others can use them?
Yes http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/acp-overview.html
Amazon SQS supports dead-letter queues?
Yes http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/sqs-dead-letter-queues.html
The _______________ scenario is : when an Amazon SNS message is sent to a topic and then replicated and pushed to multiple Amazon SQS queues, HTTP endpoints, or email addresses.
fanout http://docs.aws.amazon.com/sns/latest/dg/SNS_Scenarios.html
Amazon SQS ______ polling is a way to retrieve messages from your Amazon SQS queues.
long polling
A __________ represents desired Configuration Item (CI) attribute values for resources and are evaluated by comparing those attribute values with CIs recorded by AWS Config.
rule https://aws.amazon.com/config/faq/