Difficult Ones

Question 1

A tool from hashicorp for building and managing virtual machine environments in a single workflow

Answer 1

Vagrant

Question 2

Uses Docker as a Container Runtime?

Answer 2

OpenFAAS

Question 3

Microservices can be built in any language

Answer 3

OpenFAAS

Question 4

Provides an open source runtime

Answer 4

Azure Functions

Question 5

Aims to simplify code and function deployment to kubernetes

Answer 5

Open FAAS

Question 6

App Engine and Cloud Run

Answer 6

serverless platforms

Question 7

Provides both a client server and agentless models

Answer 7

salt

Question 8

What introduces the idea s infrastructure as code?

Answer 8

Configuration management tool

Question 9

Contains facts, manifest file and catalogs

Answer 9

puppet

Question 10

Distributed through the Raft protocol

Answer 10

etcd

Question 11

Each instance keeps an in-memory image of the state

Answer 11

zookeeper

Question 12

Uses watches to monitor for updates

Answer 12

consul kv

Question 13

Provides scaling for larger data sets

Answer 13

key value store

Question 14

Combines resources from different providers into reusable models

Answer 14

terraform

Question 15

Manage Infrastructure across multiple platforms

Answer 15

terraform

Question 16

Incorporates safety control when updating or provisioning infrastructure (rollback triggers, change sets and drift detection_

Answer 16

cloudformation

Question 17

Stores data in an index

Answer 17

elastisearch

Question 18

Collected metrics from targets by scraping HTTP endpoints

Answer 18

prometheus

Question 19

What are some AWS billing resources?

Answer 19

Budgets
Cost and Usage Reports
Cost Explorer
Cost Allocation tags

Question 20

Provides a unified user interface for cetralizing operational data and tasks across AWS resources.

Answer 20

aws systems manager

Question 21

Helps you consolidate multiple AWS accounts that you can centrally manage.

Answer 21

AWS Organization

Question 22

What are the two software application architectures?

Answer 22

layered, microservices, client server, event driven and peer to peer

Question 23

What is composed of a layered architecture

Answer 23

A
presentation -ui
application
business - where logic resides
data access layer -database

Question 24

Traditional Waterfall Method Steps

Answer 24

Requirements
Design
Implementation
Testing
Deployment
Maintenance

Question 25

what are some examples of Permissive licenses?

Answer 25

BSD, Apache, MIT etc.

Question 26

Devops process

Answer 26

Build > Integrate > Test > Deploy

Question 27

What are the CI/CD Pipieline Steps?

Answer 27

Plan Code Build Test Release Deploy Operate

Question 28

What step is where developers create code simultaneously, making frequent commits to a repository using an IDE?

Answer 28

code

Question 29

What step packages code and compiles it with the necessary dependencies and can be triggered by a code commit?

Answer 29

build

Question 30

This step can happen automatically or manually there are several tools that reduce the downtime to near zero.

Answer 30

deploy

Question 31

Docker Components

Answer 31

Docker Daemon Docker Client Docker API Docker File Docker Registries Docker Container

Question 32

Docker commands

Answer 32

Build, run pull/push start stop and kill

Question 33

What is a key component of docker that is used to control and manage containers?

Answer 33

Docker Daemon

Question 34

What GIT command is used to place file contents to the index

Answer 34

git add

Question 35

Network Secuirty Tools

Answer 35

Interact with the firewall - firewal-cmd (red Hat) and ufw (Debian/Ubuntu) Interact with services- systemctl View sockets processes and open files - ss, ps, and lsof Data transfer and commujnication - scp, ssh, rsync. sftp investigate and analysis -wireshark, nmap, traceroute etc

Question 36

elastisearch components

Answer 36

node, cluster, shard, replica, document, index

Question 37

splunk components

Answer 37

universal forwarder heavy forwarder indexer search head

Question 38

What are ways to reduce cost in the cloud

Answer 38

reserved instances right sizing resources pricing calculator aws price list api application discovery services

Question 39

What are some AWS billing resources

Answer 39

Budgets Cost and Usage Reports Cost Explorer Cost Allocation tags

Question 40

Benefits of IaaS

Answer 40

Cost, maintenance, scalability, control and disaster recovery

Question 41

Benefits of PaaS

Answer 41

ncreases focus on app development Provides global access to dev environment Reduces complexity Increases speed of delivery simplifies app lifecycle management reduces need for system administratio

Question 42

terraform steps

Answer 42

Scope, Author, Initialize (init), Plan and Apply

Question 43

Source Control Management Tools for Devops

Answer 43

Git GitHub GitLab SCM BitBucket Subversion

Question 44

Build and Automation Tools and CI for CICD Pipeline

Answer 44

Jenkins GitLab CL Travis CL Maven Bamboo

Question 45

Testing Tools

Answer 45

JMeter Selenium Appium Cucumber

Question 46

Release Manaegment

Answer 46

CloubBees Flow UrbanCode Release AWS Code Pipeline BMC Release Lifecycle Management

Question 47

Configuraiton Management Tools

Answer 47

Ansible, Chef, Puppet, Salt, Terraform

Question 48

Deployment tools cici pipeline

Answer 48

Azure devops pipeline aws code deploy cloudbees CD spinnaker Octopus deploy

Question 49

Containers

Answer 49

Docker OpenShift Kubernetes Helm Rancher

Question 50

Monitoring and Analytics

Answer 50

Elastic Stack Splunk Grafana New Relic App Dynamics

Question 51

Container Orechestration

Answer 51

ConfigurationProvisioning Scaling Secuirty Health Monitoring

Question 52

git add

Answer 52

this command tells git to ttrack changes int he specified file or all files and prepare them for the next commit

Question 53

git status

Answer 53

shows the status of changes as untracked modfied or staged

Question 54

git commit -m

Answer 54

commits changes with a message

Question 55

git checkout

Answer 55

switches branches or restores working tree files

Question 56

git merge

Answer 56

merges changes from different branches

Question 57

git remote

Answer 57

allows you to view and manage remote repositories