Find Interview Questions for Syncron

Right Answer:
To determine which line the point (x, y) lies on, substitute the x-coordinate into each line's equation (Ax + By = C) and check if the resulting value equals C. If it does for a specific line, then the point lies on that line. If the point does not satisfy any line's equation, it does not lie on any of the given lines.

Right Answer:
The repeated prompts for username and password in Solaris 8 could be due to incorrect user credentials, issues with the user's home directory permissions, or problems with the PAM (Pluggable Authentication Modules) configuration.

To fix this, check the following files:
1. `/etc/passwd` - to verify the user account details.
2. `/etc/shadow` - to check password settings.
3. User's home directory permissions (e.g., `/home/username`).

Refer to the log file:
- `/var/adm/messages` - for more details about the login issues.

Right Answer:
Glass.

Right Answer:

Thresholds and alerts for monitored systems are defined by identifying key performance indicators (KPIs) and setting specific values that indicate normal and abnormal performance. Thresholds are established based on historical data, industry standards, and business requirements. Alerts are configured to trigger notifications when metrics exceed or fall below these thresholds, allowing for timely responses to potential issues.

Right Answer:

Grafana integrates into a monitoring stack by connecting to various data sources, such as Prometheus, InfluxDB, or Elasticsearch, to visualize and analyze metrics. It provides customizable dashboards and alerts, allowing users to monitor system performance and health in real-time.

Right Answer:

To handle alert fatigue, I prioritize incidents by implementing a tiered alerting system that categorizes alerts based on severity and impact. I also regularly review and tune alert thresholds to reduce noise, use automation to filter out non-critical alerts, and establish clear escalation paths. Additionally, I analyze historical data to identify recurring issues and focus on resolving root causes to minimize future alerts.

Right Answer:

The components of IT infrastructure that should be monitored include:

1. Servers
2. Network devices (routers, switches, firewalls)
3. Storage systems
4. Applications and services
5. Databases
6. Virtual machines and containers
7. Cloud resources
8. End-user devices (desktops, laptops, mobile devices)
9. Power and cooling systems
10. Security systems and logs

Right Answer:

To monitor a Kubernetes cluster, you can use tools like Prometheus for metrics collection, Grafana for visualization, and Kubernetes Dashboard for a user-friendly interface. Additionally, consider using tools like ELK Stack (Elasticsearch, Logstash, Kibana) for logging and alerting systems like Alertmanager to notify on issues.

Right Answer:
The difference is that "VAR A1 - A4" represents a range of variables from A1 to A4, while "VAR A1 ? A4" typically indicates a conditional or logical operation involving A1 and A4, depending on the context.