Udemy Lecture 1

Question 1

What is a network?

Answer 1

cables. Routers & servers connected with each other

Question 2

What is a Router?

Answer 2

A networking device that forwards data packets between computer networks, they know where to send your packets on the internet

Question 3

What is a Switch?

Answer 3

takes a packet & send it to the correct server / client on your network

Question 4

How are network, router, and switch related?

Answer 4

it goes network- to router- to switch, think about FIOS tv service)

Question 5

What are the different types of cloud computing services?

Answer 5

• Infrastructure as a service (IaaS)
• Platform as a service (PaaS)
• Software as a Service (SaaS)

Question 6

What are some aspects of Infrastructure as a service (IaaS) ?

Answer 6

• Provide building blocks for cloud IT
• Provides networking, computers, data storage space
• Highest level of flexibility
• Easy parallel with traditional on - premise IT

Question 7

What are some aspects of Platform as a service (PaaS)?

Answer 7

• Removes the need for your organization to manage the underlying infrastructure
• Focus on the deployment & management of your application

Question 8

Software as a Service (SaaS)

Question 9

What do you mange with on-premise?

Answer 9

Everything from applications to networking

Question 10

What doe you manage with Infrastructure as a service?

Answer 10

you only manage the applications, data, runtime, middleware, & O/S (virtualization, servers. Storage, & networking is managed for you) (ex. Can use EC2)

Question 11

What doe you manage with Platform as a service?

Answer 11

you only manage application & data & everything else is managed for you (ex. can use elastic beanstalk)

Question 12

What do you manage with Software as a service?

Answer 12

everything is managed for you (ex. Many services on AWS like rekognition for machine learning)

Question 13

For pricing with AWS you pay for the compute _____ you use, pay for the data _______ in the cloud, & pay for data transfer _______ of the cloud

Answer 13

Time, stored, OUT (data transfer IN is free)

Question 14

Me as the customer responsibility in the cloud is the security _____ the cloud (configuring it correctly) & AWS is responsible for security ____ the cloud

Answer 14

IN, OF

• My responsibility like customer data, platform, applications, identity, access management, O/S , network etc
• AWS responsibility- compute, storage, database, networking, regions, etc