FranklinHarry

#Linux Cheat Sheet

##File Commands:

• ls – directory listing
• ls -al – formatted listing with hidden files
• cd dir - change directory to dir
• cd – change to home
• pwd – show current directory
• mkdir dir – create a directory dir
• rm file – delete file

FranklinHarry

Which statement best describes IAM

IAM allows you to manage users, groups and roles and their coressponding level of access to the AWS Platform.

Which is NOT a feature of IAM?

Centrailized control of your AWS account, Integrates with exiting active directory account allowing single sign on, Fine-grained access control to AWS resources, The ability to create User/Group/Roles

Power User Access allows

FranklinHarry

EBS Snapshots are backed up to S3 in what manner?

• Incrementally

Do Amazon EBS volumes persist independently from the life of an Amazon EC2 instance, for example, if I terminated an EC2 instance, would that EBS volume remain?

• Only if instructed to when created

Can I delete a snapshot of an EBS Volume that is used as the root device of a registered AMI?

• No

A placement group can be deployed across multiple Availability Zones.

FranklinHarry

S3 has what consistency model for PUTS of new objects

• Read After Write Consistency

What is AWS Storage Gateway?

• It's an on-premise virtual appliance that can be used to cache S3 locally at a customers site.

One of your users is trying to upload a 7.5GB file to S3 however they keep getting the following error message - "Your proposed upload exceeds the maximum allowed object size.". What is a possible solution for this?

• Design your application to use the multi-part upload API for all

FranklinHarry

What is an AWS region?

• A region is a geographical area that consists of diffrent availabilty zones. Each region consts of 2(or more) Availability Zones.

What dose an AWS Region consist of?

• An independent collection of AWS computing resources in a defined geography.

Which statement best describes Availability Zones?

• Distinct locations from within an AWS region that are engineered to be

FranklinHarry

First part: Interview CSE Communication security establisment. Each question has 1 minute to answer.
   Routing protocol OSPF algorithm
1.In your own term describe what is the Border Getaway.
3 Which ones depending only Hop Count
4 ARP request which layer of OSI
6 Why must all areas connect to an Area 0 backbone in OSPF?
5 What is used for ?
7 Clear transmit username pw which protocol? telnet sftp?
8 Write MPLS what is MPLS
9 Write OSPF what is OSPF

FranklinHarry

---
AWSTemplateFormatVersion: 2010-09-09

Description: >
  A basic CloudFormation template for an RDS Aurora cluster.

Parameters:
  DatabaseUsername:
    AllowedPattern: "[a-zA-Z0-9]+"
    ConstraintDescription: must be between 1 to 16 alphanumeric characters.

FranklinHarry

5 pillars

Security

• protect information, systems, and assets while delivering business value
• utilising risk assessments and mitigation strategies

Reliability

• ability to recover from infrastructure or service failures

FranklinHarry

1. Cost Effective Resource selection 
2. Match Supply and demand 
3. Awareness of spend 
4. Optimize 

<< Cost Effective Resource Selection >>  
Provision to current needs with an eye to future. 
Right Sizing.
Use data to choose purchase option. (on-demand or spot)
Optimize by Regions, AZ and Edge (global infrastructure) 

FranklinHarry

The Well-Architected Framework Checklist

This is the set of questions presented on The Well-Architected Framework whitepaper designed to evaluate how well your architecture is aligned with AWS best practices.

Security Pillar

Data Protection

• How are you encrypting and protecting your data at rest?