Kubernetes Flash Cards (CKA Certification).

Kubernetes Flash Cards (CKA
Certification)
Kubernetes - correct answer-Helps manage application with many containerized application
in different development environments

Monolith Services - correct answer-monolithic application describes a single-tiered software
application in which the user interface and data access code are combined into a single
program from a single platform

Microservices - correct answer-A software architecture that is composed of smaller modules
that interact through APIs and can be updated without affecting the entire system.

Orchestration Tools - correct answer-High Availability-no downtime
Scalability-high performance
Disaster Recovery-Backup Recovery

Kubernetes Components - correct answer--Many components
-Mainly comprised of Node and Pod

Node - correct answer-Simple server physical/virtual mchine

Pod - correct answer-abstraction over image-one application pod container and database
pod container
-Pod gets it own IP address
-New IP address on recreation
-Die very easily

Service - correct answer--attached to each Pod
Permanent IP address
lifecycle of Pod and Service not connected

Load Balancer

external service - correct answer-Service used to access from external source,
HTTP Protocol with Node IP adress and port Number-or Domain Name(Ingress)

ConfigMap - correct answer-external configuration to application
for easy changes

Secret file - correct answer-Instead of putting in ConfigMap put data with base64 encryption
for secrecy

Volumes - correct answer-attaches physical storage to pod either local(K8s cluster-storage
or remote(not part of K8s cluster)