Skip to content

Problems Questions Drills Roles Skills Interview Contest Leaderboard

Problems Questions Drills Roles Skills Interview Contest Leaderboard

Home
Database Administrator
Questions
High Availability

Database Administrator

High Availability questions

9 questions on High Availability for database administrators, easiest first.

Easy 1

RPO and RTOeasy

Medium 3

Risk of asynchronous replicationmedium
Multi-AZ vs read replica on RDSmedium
Terraform plan wants to replace the DBmedium

Hard 5

Avoiding split-brainhard
Commits hang with sync replicationhard
Primary demoted when etcd is unreachablehard
Rejoining the old primaryhard
Restore takes longer than the RTOhard

More Database Administrator skills

PostgreSQL 49 SQL 12 Indexing 12 Replication 12 Query Tuning 11 Data Modelling 10 Backup Recovery 9 MySQL 9 Transactions 8 Database Security 8 Mvcc 5 Performance 4 Locking 4

High Availability across all roles →

🏆 High Availability leaderboard →

RED SAG Skills

Free practice for every job role: coding problems, role challenges and mock interviews. Built and managed by RED SAG Fintech Solutions.

Software Engineering

Frontend Developer interview questions
Backend Developer interview questions
Full Stack Developer interview questions
Mobile App Developer interview questions
Game Developer interview questions
Blockchain Developer interview questions

Data, AI & Machine Learning

Machine Learning Engineer interview questions
AI Engineer (LLM & Generative AI) interview questions
Data Scientist interview questions
MLOps Engineer interview questions
Prompt Engineer interview questions
Data Analyst interview questions

Cloud, DevOps & Security

DevOps Engineer interview questions
Cloud Engineer interview questions
Site Reliability Engineer interview questions
Database Administrator interview questions
Cybersecurity Analyst interview questions

© 2026 RED SAG Fintech SolutionsAll roles Coding problems Leaderboard About Careers at RED SAG