Service Related Flashcards
What is the second level domain name?
google in www.google.com
What is the top level domain name?
.com,.net, .gov
What is an IAM Role?
It provides access to an AWS resource to another AWS resource
What is Kinesis Streams?
A way to stream data using shards and consumers.
What is Kinesis Analytics?
Allows you to run SQL queries against data in Kinesis and store in S3
What is Kinesis Firehose?
A way to stream data in an automated way, without shards or consumers
What is Cloudtrail used for?
Auditing and tracking activity in AWS
What is CloudWatch used for?
Monitoring and logging
What is the difference between Memcached and Redis?
Memcached is an object-based caching system
Redis is a key-value store
Redis supports Multi AZ, Memcached does not
What are the 2 types of backups available?
Automated backups
Database snapshots
What 3 levels can VPC flow logs be enabled on?
VPC
Subnet
Network/Interface level
What is Elactic Beanstalk?
A service for deploying and scaling web apps.
What 2 components does a VPN connection consist of?
Customer Gateway
Virtual Private Gateway
What does SES stand for?
Simple Email Service
For Kinesis Streams, how long is data stored in a shard?
Up to 7 days, default is 24 hours
What kind of service is SNS?
Push based messaging service
What is the maximum visibility timeout for SQS?
12 hours
What is SQS visibility timeout?
Amount of time a message is invisible in the queue after a reader picks it up
How long can messages be in an SQS queue?
1 minute to 14 days
What is the SQS default retention period?
4 days
What size are SQS messages?
256 KB
What kind of system is SQS?
Pull Based queue system
How many transactions per second does a FIFO queue provide?
300
What guarantee does a standard queue provide?
A message is delivered at least once
How many transactions per second does a standard queue provide?
Nearly unlimited
What is the command to add new Kinesis shards in CLI?
update-shard-count
