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GCP > DevOps > Flashcards

DevOps Flashcards

1
Q

Jenkins

A

Builds and tests code

Plugins for integration with version control systems and support for different languages

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2
Q

Cloud Operations Suite (includes) (6)

A 
Cloud Monitoring  (GCP and AWS)
Cloud Logging
Error Reporting
Cloud Debugger
Cloud Trace
Cloud Profiler
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3
Q

SDLC 7 steps

A 
Analysis
Design
Development
Testing
Deployment
Documentation
Maintenance
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4
Q

Puppet and Chef

A

Configure software on servers

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5
Q

Cloud Build

A

Build, test, deploy software
Create - image containers stored in Artifact Registry
Deploy - services to VMs, K8 clusters, serverless, Firebase
Scan - images for known vulnerabilities
Binary Authorization - verify trusted containers run

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6
Q

Chaos Engineering

A

Introducing random failures to system to understand consequences and identify unanticipated failure modes

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7
Q

4 components of business continuity plan

A

Disaster plan
Business Impact Analysis
Recovery plan
RTO

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8
Q

HTTP error:

400

A

Bad request - server can’t understand request due to invalid syntax

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9
Q

HTTP error:

401

A

Request not authenticated

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10
Q

HTTP error:

403

A

Permission denied

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11
Q

HTTP error:

404

A

Resource not found; invalid endpoint

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12
Q

HTTP error:

500

A

Internal server error

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13
Q

HTTP Error:

501

A

Method not implemented by the API

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14
Q

HTTP Error:

503

A

Server unavailable

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15
Q

HTTP Error:

429

A

Too many requests

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16
Q

RPC APIs

A

APIs oriented around functions implemented using sockets

Designed for high efficiency

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17
Q

API Keys

A

Authenticates users of API functions

String of alphanumeric characters that identify an app or device to a service

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18
Q

Fuzzing

A

Testing framework - subject program to semi-random inputs for extended period of time

Used to find bugs and security vulnerabilities that may only show up at runtime

Uses tools called fuzzers

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19
Q

CLI tools included with GCP SDK install

A

gcloud
gsutil
bq

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20
Q

Bigtable CLI

A

cbt

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21
Q

Pub/Sub Emulator CLI

A

pubsub emulator

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22
Q

Where Cloud Logging can export logs (2)

How long logs retained

A

Cloud Storage
BQ
30 days

23
Q

Prometheus

A

Monitoring tool that collects metrics data from targets by scrapping HTTP endpoints of target services

24
Q

Continuous Delivery

A

Releasing code soon after code passes tests

25
Q

Continuous Delivery - deployment strategies (4)

A

Complete deployment - monolith
Rolling deployment
Canary deployment
Blue/Green deployment

26
Q

Continuous Integration

A

Incorporating new code into established code base soon after written
Continuously integrate new code into production using automated tools

27
Q

RPC APIs

A

APIs oriented around functions implemented using sockets for high efficiency

28
Q

Data driven testing

A

Uses structured data sets for testing
For each condition defined or set of inputs, tests function for expected output values

Good for testing APIs or functions from command line

29
Q

Modularity Driven Testing

A

Small scripts to test limited functionality

Combined to test higher level abstractions

30
Q

Keyword Driven Testing

A

Tests sequence of steps to execute

Good for manual testing and UI

31
Q

Model based testing

A

Simulation program used to generate test data

Uses several methods to simulate system being tested

32
Q

Test driven development

A

Requirements mapped to tests

Once code is tested, integrated into baseline of code

33
Q

JUnit

A

Unit test tool for code written in Java

34
Q

Fuzzing

A

Automated testing tool that subjects a program to semi-random inputs for extended period to find bugs and security vulnerabilities that may only turn up at runtime

35
Q

gsutil CLI utility

A

Recommended method for moving data from on prem

Supports parallel loading of chunks

36
Q

Continuous Delivery deployment strategies (4)

A

Complete
Rolling
Canary
Blue/Green

37
Q

Continuous Integration - automation tools (3)

A

Version control / repo
Test
Build

38
Q

Circuit Breaker pattern

A

Use object to monitor results of a function or service call
If number of errors surpasses threshold, service stops making requests
Slowly increase requests while monitoring errors

39
Q

Artifact Registry

A

Next gen Container Registry
Store, manage packages and Docker container images
Integrates with Cloud Build and other GCP CI/CD tools

40
Q

Cloud Build

A

CI/CD service that continuously takes source code, builds, tests, and deploys

Turns source code into build artifacts

41
Q

Cloud Source Repository

A

Hosted, private Git repo for version control and collaboration

42
Q

Cloud Deploy

A

Creates delivery pipeline for apps via “releases” which define target environments and sequence to deploy to targets

43
Q

Port 3306

44
Q

Port 22

45
Q

Port 7

46
Q

Port 3389

47
Q

Port 25

48
Q

Port 443

49
Q

Port 21

50
Q

HTTP 429

A

Too many requests

51
Q

HTTP 301

A

URL of resource changed

New URL given in response

52
Q

HTTP 408

A

Request time out

53
Q

Cloud Tasks

A

Creates tasks outside of main app workflow to be processed async
Scheduling, rate controls, deduplication

GCP (8 decks)

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