SNS

Question 1

SNS = ___

Answer 1

simple notification service

Question 2

___ a web service that makes it easy to setup, operate, and send notifications from the cloud.

Answer 2

SNS

Question 3

____ provides developers with a jhighly scalable, flexible, and cost-effective capcability to publish messages from an app and immediately deliver them to other apps.

Answer 3

SNS

Question 4

Besides pushing cloud notifications directly to mobile devices, _____ can also deliver notifications by sms text messages or email to SQS queues, or any HTTP endpoint.

Answer 4

SNS

Question 5

SNS notifications can trigger ___ functions:

When a message is published to an SNS topic that has a ___function subscribed to it, the ___ function is invoked with the payload of the publish message. The ____ function receives the message payload as input parameter and can manipulate the infor in the message, publish the message to another SNS topic, or send the message to other AWS services.

Answer 5

Lambda

Question 6

SNS allows you to group multiple recipients using ____.

Answer 6

topics

Question 7

A topic is an ____ ____ for allowing recipients to dynamically subscribe for identical copies of the same notification.

Answer 7

access point

Question 8

One topic can support deliveries to multiple endpoint types - for example you can group together IOS, ANDROID, and SMS recipients. When you publish once to a topic, SNS delivers appropriately formatted copies of your message to each _____.

Answer 8

subscriber

Question 9

To prevent messages from being lost, all messages published to SNS are stored _____ across multiple AZs.

Answer 9

redundantly

Question 10

SNS benefits

______, push based delivery (no polling)

Answer 10

instantaneous

Question 11

SNS benefits

simple _____ and easy integratoin with apps

Answer 11

APIs

Question 12

SNS benefits

Flexible messages delivery over multiple ____ protocols

Answer 12

transport

Question 13

SNS benefits

_____ pay as you go model with no up front costs

Answer 13

inexpensive

Question 14

SNS benefits

web based AWS management console offers the _____of a point and click interface.

Answer 14

simplicity

Question 15

SQS vs SNS

sqs—

sns—

1. pushes
2. polls (pulls)

Answer 15

sns - pushes

sqs - polls (pulls)

Question 16

SNS users pay ____ per ___ million SNS requests

Answer 16

$.50, 1

Question 17

____ per ____ notification deliveries over HTTP

Answer 17

$.06, 100,000

Question 18

____ per ____ notification deliveries over SMS

Answer 18

$.75, 100

Question 19

_____ per _____ notification deliveries over email

Answer 19

$2.00, 100,000

Question 20

SNS follows the _____-_____ messaging paradigm, with notifications being delivered to clients using a “push” mechanism that eliminates the need to periodically check or “poll” for new info and updates.

Answer 20

publish-subscribe (pub-sub)

Question 21

With simple _____ requiring minimal up front development effort, no maintenance or management overhead and pay as you go pricing, SNS gives developers an eacy mechanism to incorporate a powerful notification system with their apps.

Answer 21

APIs