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Questions in this quiz (80)
1What area the advantages of cloud conputing over on-permises?
- Aavoid large capital purchases
- Bon-demand capacity
- Cgo global in munutes
- DIncrease speed and agility
- Eall of above
2What is the pricing model that allows AWS customer to pay for resources on an as-needed basis
- APay as you reserve
- Bpay as you go
- CPay as you buy
- DPay as you decommission
3Which of these is not a cloud deployment
- ASystem administration as a service
- BInfraestructure as a service
- CPlataform as a service
- DSoftware as a service
4True or False ? AWS owns and maintains the network-connected hardware required for application services, while you provision and use what you need
- ATrue
- BFalse
5Which of these is not a primary benefit of cloud computing over on-premises computing
- ABenefit fron massive economies of scale
- BIncrease speed and agility
- CEliminate guessing on your infraestructure capacity needs
- DPay for racking, stacking and powering servers
- ETrade capital expense for variable expense
6Which of the following are not benefits of AWS cloud computing ?
- AHigh-latency
- BMultiple procurement cycles
- CFault-tolerant databases
- DTemporary and disposable resources
- EHigh-availability
7What is the number one reason businesses are switching to cloud computing?
- AFinite infraestructure
- BOverprovisioning
- CAutomation
- DIncreased speed and agility
- EInstant configuration
8True or False? Clous computing provides a simple way to access servers, storage, databases, and a broad set of application services over the internet. You own the network connected hardware requiered for these services and Amazon Web Services provisions what you need
- ATrue
- BFalse
9Economies of scale results from
- Ahaving hundresd of thousand of customers aggregated in the cloud
- Bhaving many different cloud providers
- Chaving to invest heavily in data centers and servers
- Dhaving hundreds of cloud services avaliable over the internet
10What are the three ways to access AWS core services? (Choose three)
- ASoftware Development Kits (SDKs)
- BAWS Command Line Interface (AWS CLI)
- CAWS Management Console
- DCalling technical support
- EThrough AWS Marketplace
11For certain services like Amazon EC2 and Amazon RDS, you can invest in reserved capacity. Reserved Instances are available in what 3 options? (Choose three
- APURI
- BNURI
- CAURI
- DMURI
- EDURI
12What is the pricing model that allows AWS customers to pay for resources on an as-needed basis? (Select the best answer)
- AOutbound data transfer from S3 to CloudFront
- BInbound data transfer from Internet to S3
- COutbound data transfer from S3 to internet
- DOutbopund data transfer from S3 to all regions
13True or false? To receive the discounted rate associated with Reserved Instances, you must make a full, up-front payment for the term of the agreement. (Select the best answer)
- ATrue
- BFalse
14There is no charge for which of the following? (Choose two)
- AData transfer between services within the same region
- BInbound data transfer
- CCompute
- DStorage
- EOutbound data transfer
15With the “pay as you go” pricing model, how often do you pay for compute resources from the time you launch a resource until you terminate it? (Select the best answer)
- ASecondly and Hourly
- BYearly
- CQuarterly
- DMonthly
- EDaily
16What AWS tool compares the cost of running your application in an on-premises data center to AWS? (Select the best answer)
- ATotal Cost of Ownership (TCO) calculator
- BTotal Cost of Application (TCA) calculator
- CTotal Cost of Products(TCP) calculator
- DTotal Cost of Operation(TCO) calculator
17As AWS grows, the general cost of doing business is reduced and savings are passed back to the customer in the form of lower pricing. What is this optimization called? (Select the best answer)
- AEconomies of scale
- BEconomies of optimization
- CEconomies of labor
- DEconomies of scope
18True or false? AWS offers a variety of services at no charge. For example, Amazon Virtual Private Cloud, AWS Identity and Access Management, Consolidated Billing, AWS Elastic Beanstalk, AWS Auto Scaling, AWS OpsWorks and AWS Cloud Formation. Although there is no charge for these services, there may be charges associated with other AWS services used in conjunction with these services.
- ATrue
- BFalse
19When are free data transfers applicable across AWS? (Choose two)
- AFree outbound data transfer between Amazon Web Services within the same region
- BFree inbound data transfer for EC2 instances
- CFree inbound data transfer across all Amazon Wev Services in all regions
- DFree Outbound data transfer across all Amazon Wev Services in all regions
20True or false? Unlimited services are available via the free tier to new AWS customers for 12 months following their AWS sign-up date. (Select the best answer)
- ATrue
- BFalse
21Which component of AWS global infrastructure does Amazon CloudFront use to ensure low latency delivery? (Select the best answer)
- AAWS Edge Locations
- BAWS Availability Zone
- CAWS Regions
- DAWS Virtual Private Cloud(Amazon VPC)
22You can run applications and workloads from a region to _______ latency to end users.
- Aincrease
- Bdecrease
23True or False? Each Availability Zone is designed to be isolated from failures in other Availability Zones.
- ATrue
- BFalse
24Which of the following are geographic areas that host two or more Availability Zones? (Select the best answer)
- AAws Origins
- BCompuite zones
- CAWS Regions
- DAWS locations
25______ means the infrastructure has built in component redundancy and ______ means that resources dynamically adjust to increases or decreases in capacity requirements.
- AFault tolerant, elastic and scalable
- BElastic ans scalable, fault tolerant
- CNo human intervetion, fault tolerant
- DFault tolerant, no human intervetion
- EElastic and scalable, no human intervetion
26True or False? Availability Zones within a region are connected through low-latency links.
- ATrue
- BFalse
27Which of these statements about Availability Zones is not true? (Select the best answer)
- AA data center can be used for more than one Availability Zone.
- BAvailability Zone are made up of one or more data centers
- CAvailability Zone are designed for fault isolation
- DAvailability Zone are connected to each other uising high-speed private links
28What is true about regions? (Choose two)
- AA region is a physical location that has multiple Availability Zones.,
- BPhysical location has multiple Availability Zones
- CEach region is located in a separate geographic area
- DAll regions are located in one specific geographic area
- EThey are the physical locations of your customers
29AWS highly recommends provisioning your compute resources across _______ Availability Zones. (Select the best answer)
- ASingle
- Ball
- Cmultiple
- Dno
30True or False? Edge locations are only located in the same general area as regions.
- ATrue
- BFalse
31Which of the following is an example of Amazon Lightsail? (Select the best answer)
- APlatform as a service
- BSoftware as a service
- CFuntions as a service
- DInfraestructure as a service
32True or False? You can launch multiple instances of different types from a single AMI when launching an EC2 instance
- ATrue
- BFalse
33If your project requires you to run monthly reports that iterate through very large amounts of data, which Amazon EC2 purchasing option should you consider
- AScheduled Reserved Instances
- BSpot
- COn-demand
- DDedicated Host
34What is included in an Amazon Machine Image (AMI)? (Select the best answer)
- AAll of the above
- BA block device mapping that specifies the volumes to attach to the instance when it's launched
- CLaunch permissions that control which AWS accounts can use the AMI to launch instances
- DA template fot the root volume fot the instance
35Which Amazon Elastic Compute Cloud (Amazon EC2) feature ensures your instances will not share a physical host with instances from any other AWS customer? (Select the best answer)
- APlacement groups
- BReserved Instances
- CAmazon Virtual Private Cloud(VPC)
- DDedicated instances
36With the “Pay as you go” pricing model, what is the billing interval for compute resources from the time you launch a resource until you terminate it? (Select the best answer)
- AMonthly
- BSecondly and Hourly
- CDaily
- DQuarterly
37Your web application needs four instances to support steady traffic all of the time. On the last day of the month, the traffic triples. What is the most cost-effective way to handle this pattern?
- ARun four Reserved Instances constantly, then add eight On-Demand Instances on the last day of each month.
- BRun four On-Demand instances constantly, then add eight On-Demand Instances on the last day of each month.
- CRun four On-Demand Instances constantly, then add eight Reserved Instances on the last day of each month.
- DRun twelve Reserved Instances all of the time
38Which EC2 option is best for long-term workloads with predictable usage patterns? (Select the best answer)
- AReserved instances
- BOn-Demand instances
- CSpot instances
39Which of the following must be specified when launching a new Amazon Elastic Compute Cloud (Amazon EC2) Windows instance? (Choose two)
- AAmazon EC2 instance type
- BAmazon Machine Image (AMI)
- CThe Amazon EC2 instance ID
- DPassword for the administrator account
40Why is AWS more economical than traditional data centers for applications with varying compute workloads? (Select the best answer)
- AAmazon EC2 instances can be launched on-demand when needed.
- BCustomers retain full administrative access to their Amazon EC2 instances.
- CCustomers can permanently run enough instances to handle peak workloads
- DAmazon EC2 costs are billed on a monthly basis
41True or False? S3 is an object storage suitable for the storage of 'flat' files like Word documents, photos, etc.
- ATrue
- BFalse
42S3 replicates all objects ______. (Select the best answer)
- Ain multiple availability zones within the same region
- Bon a multiple S3 buckets
- Cacross multiple regions for higher durability
- Don a multiple volumes within an availability zone
43Which of the following can be used as a storage class for an S3 object lifecycle policy? (Choose three)
- AAmazon Glacier
- BS3-Infrequent Access
- CS3 - Standard Access
- DDynamo DB
- ES3- Reduced Redundancy Storage
- FStorage Gateway
44The name of an S3 bucket must be unique _________. (Select the best answer)
- Aworldwide across all AWS accounts
- Bacross all your AWS accounts
- Cwithin your AWS account
- Dwithin a region
45What can you use S3 for with your web application? (Select the best answer)
- AStore static content such as images, video, CSS, JavaScript, etc.
- BDistribute static and dynamic content
- CHost a robust CDN to deliver entire web sities with dynamic, static, and streaming content
- DGenerate user specific content
46Amazon EBS is recommended when data _______ and _______. (Choose two)
- Arequires an encryption solution
- Bmust be quickly accessible, requiring long-term persistence
- Crequires object level storage
- Dneeds to be stored in a different availability zone that the one the EC2 instance is in
47True or False? By default, all data stored in S3 is viewable by the public.
- ATrue
- BFalse
48Regarding Amazon Glacier, what is a Vault?(Select the best answer)
- AA container for storing archives
- BA policy that identifies who can access content stored in Glacier
- CAn object (photos,videos,files,or documents)
- DThe rules that determine who many (or may not) access archives
49Access Control Lists are used to make entire buckets (like one hosting an S3 website) public. (Select the best answer)
- ATrue
- BFalse
50Which of the following are features of Amazon Elastic Block Store (Amazon EBS)? (Choose two)
- AAmazon EBS volumes can be encrypted transparently to workloads on the attached instance.,
- BData stored on Amazon EBS is automatically replicated within an Availability Zone.
- CAmazon EBS data is automatically backed up to tape
- DData on an Amazon EBS volume is lost when the attached instance is stopped
51What is the minimum size subnet you can have in an Amazon VPC? (Select the best answer).
- A/26
- B/24
- C/28
- D/30
52What is the maximum size IP address range you can have in an Amazon VPC? (Select the best answer).
- A/28
- B/30
- C/16
- D/24
53You need to allow resources in a private subnet to access the internet. Which of the following must be present to enable this access? (Select the best answer).
- ANAT Gateway
- BRoute Tables
- CSecurity Gropus
- DNetwork Access Control List
54Which AWS networking service enables a company to create a virtual network within AWS? (Select the best answer).
- AAmazon Virtual Private Cloud (Amazon VPC)
- BAmazon Route 53
- CAWS Direct Connect
- DAWS Config
55True or False? Private subnets have direct access to the Internet.
- ATrue
- BFalse
56Which component of AWS global infrastructure does Amazon CloudFront use to ensure low-latency delivery? (Select the best answer)
- AAWS edge locations
- BAWS Regions
- CAWS Availability Zones
- DAmazon Virtual Private Cloud (Amazon VPC)
57Which of the following is an optional security control that can be applied at the subnet layer of a VPC? (Select the best answer)
- ANetwork ACL
- BFirewall
- CSecurity group
- DWeb application firewall
58What happens when you create a new Amazon VPC? (Select the best answer)
- AA main route table is created by default.
- BThree subnets are created by default - one for each Availability Zone
- CThree subnets are created by default in one Availability Zone
- DAn IGW is created by default
59How many IGWs can you attach to an Amazon VPC at any one time? (Select the best answer)
- A1
- B2
- C4
- D3
60You are a solutions architect working for a large retail company that is migrating its existing infrastructure to AWS. You recommend they use a custom Amazon VPC. They’ll need a public subnet for their web servers and a private subnet for their databases. They require web servers and database servers be highly available, with a minimum of two web servers and two database servers each. How many subnets should you have to maintain high availability? (Select the best answer).
- A1
- B2
- C3
- D4
61You are designing an e-commerce web application that will scale to hundreds of thousands of concurrent users. Which database technology is best suited to hold the session state in this example?
- ANoSQL database table using Amazon DynamoDB
- BAmazon Simple Storage Service (S3)
- CRelational database using Amazon Relatinal Database Service (RDS)
- DData warehouse using Amazon Redshift
62You need to find an item in a DynamoDB table using an attribute other than the item’s primary key. Which of the following operations should you use? (Select the best answer)
- APOST
- BScan
- CQuery
- DGET
63In Amazon DynamoDB, what does the query operation allow you to do? (Select the best answer)
- AAll of the above.
- BQuery a table using the partition key and an optional sort key filter
- CQuery any secondary indexes that exist for a table
- DEfficiently retrive items from a table or secondary index
64Which AWS Cloud service is best suited for Online Analytics Processing (OLAP)? (Select the best answer)
- AAmazon Redshift
- BAmazon DynamoDB
- CAmazon Relation Database Service(Amazon RDS)
- DAmazon Glacier
65In Amazon DynamoDB, an attribute is ______. (Select the best answer)
- Aa fundamental data element
- Ba collection of attributes
- Ca collection of items
66When you create a table in Amazon DynamoDB, in addition to the table name, you must specify the _____ of the table. (Select the best answer)
- Aprimary key
- Bglobal secondary index
- Clocal secondary index
- Dsort key
67_______ is up to five times faster than standard MySQL databases and three times faster than standard PostgreSQL databases. (Select the best answer)
- AAmazon Aurora
- BAmazon Relational Database Service (Amazon RDS)
- CAmazon Reddhift
- DAmazon DynamoDB
68If you are developing an application that requires a database with extremely fast performance, fast scalability, and flexibility in the database schema, what should you consider? (Select the best answer)
- AAmazon DynamoDB
- BAmazon RDS
- CAmazon ElatiCache
- DAmazon Redshift
69True or False? Amazon RDS automatically patches the database software and backs up your database, storing the backups for a user-defined retention period and enabling point-in-time recovery.
- ATrue
- BFalse
70What should you consider when choosing a database type? (Select the best answer)
- AAll of the above
- BQuery frequency
- CData size
- DData access period
- EHighly-available
71Which of the following AWS tools help your application scale up or down based on demand? (Choose two)
- AElastic Load Balancing
- BAuto Scaling
- CAWS CloudFormation
- DAgile Load Balancing
- EAuto Availability Zones
72Which of the following are characteristics of the Auto Scaling service on AWS? (Choose three)
- AEnforces a minimum number of running Amazon EC2 instances
- BLaunches instances from a specified Amazon Machine Image (AMI)
- CResponds to changing conditions by adding or terminating Amazon Elastic Compute (Amazon EC2) instances
- DDelivers push notifications
- ESends traffic to healthy instances
73Which service would you use to send alerts based on Amazon CloudWatch alarms? (Select the best answer)
- AAmazon Simple Notification Service (Amazon SNS).
- BAWS CloudTrail
- CAWS Trusted Advisor
- DAmazon Route S3
74Which of the following must be configured on an Elastic Load Balancing load balancer to except incoming traffic? (Select the best answer)
- AA listener
- BA port
- CA network interface
- DA instance
75What are the minimum elements required to create an Auto Scaling launch configuration? (Choose three)
- ALaunch Configuration Name
- BInstance type
- CSecurity group
- DBlock device mapping
- EAmazon Machine Image (AMI)
76How long does Amazon CloudWatch keep metric data? (Select the best answer)
- A15 months
- B1 month
- C12 month
- D24 month
- E2 weeks
77Which of the following are required elements of an Auto Scaling group? (Choose two)
- ALaunch configuration
- BMinimum size
- CHealth checks
- DDesired capacity
78Amazon CloudWatch supports which types of monitoring plans? (Choose two)
- ABasic monitoring,which is free
- BDetailed monitoring,which has an additional cost
- CBasic monitoring, which is free
- DBasic monitoring, which has an additional cost
- EAd hoc monitoring, wich has an additional cost
79Elastic Load Balancing health checks may be what? (Choose three)
- AAn Amazon Elastic Compute Cloud (Amazon EC2) instance status check
- BA connection attempt
- CA ping
- DA page request
- EA key pair verification
80What are the three types of load balancers that ELB offers? (Choose three)
- AClassic Load Balancer
- BNetwork Load Balancer
- CApplication Load Balancer
- DInternet Load Balancer
- ECompute Load Balancer
- FAuto Scaling Load Balancer
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- Quiz on Untitled, created by JOSE NICOLAI CARDENAS PULIDO on 12/10/2019.
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- Español
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