1-100 Random Questions Flashcards by andy olk

Amazon database associated with NoSQL database service

MariaDB
RDS
DynamoDB
SQL

Amazon DynamoDB

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Amazon DynamoDB is associated with what type of database service?

Relational
SQL
NoSQL
Maria

NoSQL

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What type of service is Amazon Glacier? What is the general speed of this type of service?

Data archiving. Slow.
Snapshots. Fast.
Data archiving. Fast.
Fridgerator. Cold.

data archiving. slow.

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What type of service is associated with low-cost, durable storage for retaining database backups for ~immediate~ retrieval?

DataStore
S3
Glacier
NTFS

Amazon S3

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What is the storage limit for EC2 Instance store?

10 GB
5 GB
varies according to instance type
500 GB

Varies according to Instance type

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type of service for data backup that is associated with high cost

S3
Glacier
EFS
EBA

Amazon EBA

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Name four types of SQL based databases?

Maria
DynamoDB
ElastiCache
Aurora
Redshift
NoSql
RDS

Amazon Redshift, Amazon RDS, Maria. Aurora

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Amazon Redshift and Amazon RDS are what type of database?

Nonrelational
NoSQL
Sequential
SQL

SQL

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AWS service associated with managing multiple accounts (accounts management)

AWS Upscale
AWS Grow
AWS Organizations
AWS TiddlyWinks

AWS Organizations

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Which AWS service is associated with authentication and authorizations (creating groups, rules and users)

IAM
AccountCreation
SecuritySuite
Users

AWS IAM

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Which Amazon service is used to migrate databases from on-prem to cloud?

AWS Migration Service
AWS DatabaseMove
AWS DataFling
AWS Schema Conversion Tool (Amazon SCT)

AWS Schema Conversion Tool (Amazon SCT)

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“_____” is a service that enables you to access, audit, and evaluate the configuration of your AWS resources

AWS Audit
AWS Config
AWS Eval
AWS EvalConfig

AWS Config

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“_______” helps you centrally manage and govern your environment as you grow and scale your AWS resources.

AWS Upscale
AWS Grow
AWS Organizations
AWS TiddlyWinks

AWS Organizations

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What approach to transcoding a large number of individual video files adheres to “AWS architecture” principles?

A. Using many instances in parallel
B. Using a single large instance during off-peak hours
C. Using dedicated hardware
D. Using a large GPU instance type

A. Using many instances in parallel

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This type of service is a petabyte scale data transport solution that uses secure appliances to transfer large amounts of data into and out of the AWS cloud

AWS PetaScale
AWS Transfer
AWS MoveData
AWS Snowball

AWS Snowball

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Name two AWS services that should be used for read/write of ~constantly~ changing data.

S3
AWS RDS
EBS
EFS

AWS RDS & Amazon EFS

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A service that simplifies relational database administration tasks

Amazon RDS
Dynamo
Elasticache
Redshift

Amazon RDS

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A customer needs to run a MySQL database that easily scales. Which AWS service should they use?

Amazon Aurora
Amazon Redshift
Amazon DynamoDB
Amazon ElastiCache

Amazon Aurora

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What does ELB stand for?

elastic load balancer

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what type of function does ELB provide?

allows you to distribute the load across multiple machines

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what does ASG stand for?

auto scaling group

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what dos “EBS” stand for?

Elastic block store
Elastic block stick
Elastic book store
Elastic bring storage

elastic block store

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what does EBS do? Choose one

data archiving
stores data in buckets
allows data to be written to file systems
provides network storage for EC2 instances, outside of the instances, so it’s still available even when an instance is turned off/shut down

provides network storage for EC2 instances, outside of the instances, so it’s still available even when an instance is turned off/shut down

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what does EFS stand for?

Elastic File System

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What type of storage does this describe? provides file storage for EC2 instances, containers, serverless, and on-prem storage S3 EBS SSD EFS

EFS

what are three storage options for EC2? EFS S3 EBA Instance store EBS

EFS, EBS and in-instance storage

The name for a script that you can add to your EC2 instance that runs the first time (and ONLY the first time) that you launch your EC2 instance EC2 StartupScript EC2 Script EC2 FirstRun EC2 user data (boot strap)

EC2 user data (boot strap)

what are three tasks that an "EC2 user data" script can be used for? 1. to automate tasks 2. install updates or software 3. download common files from the internet 4. Call other scripts for assistance (script shouts) 5. Mine/search data

1. to automate tasks 2. install updates or software 3. download common files from the internet

the t2.micro is part of what tier of service?

free tier

what is the maximum # of hours per month for a free tier EC2 instance 250 500 750 1,000

750

what is a "key pair" used for? To SSH into an EC2 Instance To log into your AWS account To encrypt data on S3 To verify each key against one another

to SSH into an EC2 instance

what type of "key pair" can be used for Linux, Mac, and Windows 10 or greater? ssh .key .ppk .pem

.pem

what type of "key pair" can be used for Windows 7 or Windows 8 (ie Windows versions below that of 10) ssh .key .ppk .pem

.ppk

what is the EC2 in-instance storage limit for free-tier? 1 GB 10 GB 3 GB 30 GB

30GB

When type of group is associated with an EC2 firewall?

security group

when is AWS likely to change the public IP address for your EC2 instance? Never when stop/re-start instance When damn well feels like it When you owe money

when you stop and then restart and instance.

When you stop and then restart an EC2 instance, what type of change is AWS likely to make? No changes will occur Change the instance type Change your public IP address Will delete all associated security groups

it is likely to change your public IP address

in the instance naming convention of m5.2xlarge, what does the "m" represent? the "5"? the "xlarge"? M - generation: 5 - core CPUs; xlarge - memory used M - instance class 5 - instance generation, lower the number, older the generation xlarge - size within the instance class (larger size equals more memory, larger CPU, etc)

M - instance class 5 - instance generation, lower the number, older the generation xlarge - size within the instance class (larger size equals more memory, larger CPU, etc)

What type of instance type is this? 1. great for diversity of workloads (web servers or code repositories) 2. balance between CPU, memory and networking 3. are of the "t2" name Storage Optimized General purpose Memory optimized Compute

General Purpose

What type of instance type is this? 1 computer-intensive requiring high performance processors a. batch processing workloads b. media transcoding c. high performance web servers d. high performance computing (HPC) e. scientific modeling & machine learning f. dedicated gaming servers g. are of the "C" name (c5, c6, etc) Memory Optimized Storage Optimized Compute Optimized Optimized prime

Compute Optimized

What does HPC stand for? Hex Program Computing High Price computing Half call computing High performance computing

high performance computing.

What type of instance is this? 1. fast performance for workloads that process large data sets in memory a. high performance, relational/non-relational databases b distributed web scale cache stores c. in-memory databases optimized for BI (business intelligence) d. applications performing real-time processing of big unstructured data e. will be of the R series of names (for RAM), x1, x2.. Storage Optimized High performance Memory optimized Compute

memory optimized

What type of instance is this? great for storage intensive tasks that require high, sequential read and write access to large data sets 1. high frequency online transaction processiong (OLTP) systems 2. cache for in-memory databases (for example, Redis) 3. data warehousing applications 4. distributed file systems 5. starts with I, or D, or H1 naming Storage Optimized High performance Memory Compute

Storage Optimized

what is a fundamental part of network security in AWS? EC2 RDS TeamWorx Security groups

security groups

what do security groups do? control traffic in/out of EC2 instances Create firewall for VPC Create firewall for regions Make things more secure

control traffic in/out of EC2 instances

Security groups contain only these type of rules? Deny Allow Matching Substrate

ALLOW

ALLOW rules can reference by these two things:

IP address Security groups

when creating an "allow" rule, what convention represents allowing "all" traffic 255.0.0.0 255 255.255.255 0.0.0.0 1.1.1.1

0.0.0.0

when seeing 0.0.0.0, what does that indicate?

all traffic

Is a security group limited to one instance or can it be attached to multiple instances?

multiple instances

can an EC2 instance have more than one security group?

yes

what are two aspects for which an EC2 instance might have two security groups? One for inbound traffic/ one for outbound traffic EC2 instances are limited to one security group One security group per user Transfer between cellblocks

one for inbound traffic, another for outbound traffic

what are security groups locked down to? Prison Cellblocks Availability Zones Region/VPC combination

Region/VPC combination

If you have a security group for an EC2 instance, and you're switching that instance to another region, what step needs to be taken?

create a new security group

What does "AMI" stand for?

Amazon Machine Image

In which regions is the IAM service available?

Global

what does EBS stand for?

Elastic Block store

Elastic Container Service and Elastic Beanstalk are what type o service? (Iaas, Paas, Saas)

PaaS

What type of service reflects a service accessible by end users and what are some examples? SaaS, 0365, Gmail, Evernote PaaS, Lambda IaaS, Linux DaaS, AWS Workspaces

SaaS, O365, Gmail, Evernote, etc

A developer wants to run their code for just a brief time (a few minutes) on someone else's server, what type of computing is this? Served Borrowed Serverless Managed

serverless

AWS Lambda is an example of what type of service? Wait service Serverless Standalone Financial

serverless

Name a type of service that falls under the serverless model type

AWS Lambda

What is the port associated with SSH (Secure Shell) and SFTP (secure file transfer protocol)? 80 3389 22 443

What is the port associated with HTTP? 80 3389 22 443

What is the port associated with HTTPS? 80 3389 22 443

443

What is the port associated with RDP (remote desktop protocol)? 80 443 3389 247

3389

When using Win7 or Win8 to SSH into your instance, what app must also be used? WinZip SSHConfig RDP Putty

Putty

For web based SSH access to your instance, use EC2 Instance Connect EC2 SSH Web EC2 WebSSH EC2 WebIbstance

EC2 Instance Connect

How do you access the EC2 instance connect?

Via the AWS console, go to "instances", select your instance (check mark in the box), Actions, Connect, EC2 instance connect

How do you access the EC2 instance connect?

Via the AWS console, go to "instances", select your instance (check mark in the box), Actions, Connect, EC2 instance connect

What is a good reason to have a snapshot? To share on Instagram To backup data to another region To add to a snapshot portfolio To assist logging into your account

So you can backup your data to another region

What are the four type of elastic load balancers? Application Network Banding Gateway Monopoly Classic

Application, Network, Gateway, and Classic

What are the two types of scalability?

Horizontal and vertical

Adding compute resources such as more CPU, storage, memory to an instance, this reflects which type of scalability?

Vertical

what is a major drawback to vertical scalability and is a reason why it's not recommended as a best practice?

In order for the changes to take effect, you first need to close down and then restart your instance

Which term reflects Amazon's ability to provide reliability to it's services?

High Availability

How does Amazon provide reliability through High Availability?

By utilizing multiple availability zones

load balancing is a type of scalability or elasticity?

elasticity

what is an auto scaling group?

employs elastic load balancing to add (scale out) instances and remove (scale in) instances as needed depending on the workload

what does it mean to "scale out" vs "scale in" as it pertains to elastic load balancing?

scale out means to add instances to handle a greater workload and scale in means to remove instances as the workload diminishes

what type of application is well suited for scalability? - database - word processor - video games - learning software - project management

database

what type of scaling is associated with distributed systems? - reptilian - Horizontal - vertical - sideways

horizonal scaling

what type of storage concept is associated with distributed systems Flabbergasting Regimented Clustering Pinpointing

clustering

high availability usually goes hand in hand with what type of scaling? Diagonal Jagged Horizontal Reptilian

horizontal scaling

vertical scaling is very common for which, a distributed or a non-distributed system?

non-distributed system

what does agility refer to? - size - wattage - compute - speed

the speed (usually associated with lower latency) at which services can be offered

Application Load Balancer operates at which layer of the OSI model? Layer 7 - Application Layer 6 - Presentation Layer 5 - Session Layer 4 - Transport

Layer 7 - Application

Network Load Balancer operates at which layer of the OSI model? Layer 4 - Transport Layer 2 - Data Layer 3 - Network Layer 7 - Application

Layer 4 - Transport

Gateway Load Balancer operates at which level of the OSI model? Layer 1 - Physical Layer 3 - Network Layer 4 - Transport Layer 7 - Application

Layer 3

Which type of load balancer is associated with "high performance", millions of requests per second? Networking load balancer Application load balancer Washing load balancer Gateway load balancer

Network Load Balancer

Which type of load balancer is associated with http:? Networking load balancer Application load balancer Washing load balancer Gateway load balancer

Application Load Balancer

Which type of load balancer is associated with IP address and network traffic? Networking load balancer Application load balancer Washing load balancer Gateway load balancer

Network Load Balancer

Which type of load balancer is associated with intrusion detection and route traffic to firewalls? Networking load balancer Application load balancer Washing load balancer Gateway load balancer

Gateway Load Balancer

When setting up an Auto Scaling Group, what are the three sizes that you would setup? None Huge Minimum Current (actual size) Phasing Maximum

minimum, current (actual size), maximum

What are the two types of scaling strategies? Single Dynamic Motion Auto

manual auto scaling and dynamic auto scaling

What are the three types of automatic scaling strategies? Baseline scaling Simple/step scaling Mindy scaling Target tracking Routine scaling Scheduled scaling

Simple/Step scaling, Target tracking, and Scheduled Scaling

What type of dynamic auto scaling strategy would be employed when a CloudWatch alarm is triggered (ie CPU > 70% or CPU < 30%, etc) Tracking Manual Simple / Step scaling Parsing

Simple / Step scaling

What type of dynamic auto scaling strategy would be employed when trying to establish a baseline for the scaling to follow (say "I want the average ASG CPU to stay at around 40%)? Simple/Step Target tracking Scheduled scaling Manual scaling

Target Tracking Scaling

What type of dynamic auto scaling strategy would be employed when trying to establish a set schedule for the scaling to follow (anticipate scaling based on known usage patterns or increase min capacity to 10 at 5pm on Fridays)

Scheduled Scaling

What port number is associated with FTP? 80 21 22 443