CAS CAS Performance Optimization and Troubleshooting 2

Question 1

A CAS application experiences intermittent slow responses only during business hours. Which diagnostic approach best isolates the cause?

Accepted Answer

Correlate performance metrics with concurrent user counts and scheduled jobs during those hours

Answer

Reboot servers every morning

Answer

Increase all server resources immediately

Answer

Disable background processes permanently

Question 2

What is the primary benefit of using asynchronous processing for long-running tasks in a CAS application?

Accepted Answer

Frees the main thread to handle additional requests while background work completes

Answer

Simplifies error handling

Answer

Reduces total processing time

Answer

Eliminates the need for task queues

Question 3

In CAS application monitoring, which type of alert threshold strategy minimizes false positives caused by brief traffic spikes?

Accepted Answer

Sustained threshold alerts over a rolling time window

Answer

Instantaneous threshold alerts

Answer

Static maximum value alerts

Answer

Alert only during business hours

Question 4

Which database index type is most beneficial for optimizing range queries on timestamp columns in a CAS application?

Accepted Answer

B-tree index

Answer

Hash index

Answer

Full-text index

Answer

Bitmap index

Question 5

What does the term 'garbage collection pause' refer to in the context of CAS application performance?

Accepted Answer

A stop-the-world pause while the runtime reclaims unused memory objects

Answer

Time spent archiving old log files

Answer

Delay caused by network packet loss

Answer

Scheduled downtime for database maintenance

Question 6

When troubleshooting a memory leak in a CAS application, which tool category provides the most actionable data?

Accepted Answer

Heap dump analyzers

Answer

Network packet analyzers

Answer

Load balancer logs

Answer

DNS lookup utilities