Port Number Quiz
Guess the service with port number: 443
HTTPS
What does this acronym stand for? DNS
Domain Name System
DNS was invented in 1983. Before it, every computer on the internet used a single shared hosts.txt file.
Name any two tool used for: Orchestration
Kubernetes, Docker Swarm, Apache Mesos, Nomad, OpenShift, Rancher, ECS, AKS, GKE
Guess the provider for the service: Elastic Beanstalk
AWS
Platform-as-a-Service to deploy and manage applications without handling infrastructure.
Guess the service with port number: 27017
MongoDB
What does this acronym stand for? MTTF
Mean Time To Failure
MTTF is used for non-repairable systems. For repairable systems, you'd use MTBF (Mean Time Between Failures) instead.
Identify the tool: GitOps continuous delivery tool for Kubernetes
ArgoCD
Guess the provider for the service:BigQuery
GCP
Serverless data warehouse for fast SQL-based analytics on large datasets.
Guess the service with port number: 389
LDAP
What does this acronym stand for? TCP
Transmission Control Protocol
TCP uses a 3-way handshake (SYN, SYN-ACK, ACK) to establish connections, earning it the nickname 'the polite protocol'.
Name any two tools used for: CI/CD
Jenkins, GitHub Actions, GitLab CI/CD, CircleCI, Travis CI, Bamboo, Azure DevOps Pipelines, TeamCity, Drone, Tekton, Spinnaker
Guess the provider for the service:CosmosDB
Azure
Globally distributed, multi-model NoSQL database service with low latency and high availability.
Guess the service with port number:6379
Redis
What does this acronym stand for? RTO
Recovery Time Objective
RTO answers: 'How long can we be down?' An RTO of zero means you need active-active failover, which is extremely expensive.
Name any two tool used for: Monitoring
Prometheus, Grafana, Zabbix, Nagios, Datadog, New Relic, Sensu, CloudWatch, Dynatrace, AppDynamics
Guess the provider for the service:Firehose
AWS
Service to reliably capture and stream real-time data into storage/analytics destinations.
Guess the service with port number: 8080
ArgoCD
What does this acronym stand for? CIDR
Classless Inter-Domain Routing
CIDR replaced the old Class A/B/C system in 1993, saving the internet from running out of IPv4 addresses much sooner.
Identify the tool: Lightweight container orchestration tool by HashiCorp
Nomad
Guess the provider for the service: Cloud Spanner
GCP
Fully managed relational database that offers horizontal scalability with strong consistency.