The following section contains MCQs on Adaptive Optimizer in JVM and Class Loader.

Adaptive Optimizer

  1. What is the role of the Adaptive Optimizer in the JVM? a) Managing class loading b) Optimizing garbage collection c) Adjusting compiler optimizations d) Controlling memory allocation
  2. The Adaptive Optimizer makes runtime decisions based on: a) Compile-time analysis b) Code syntax c) Static analysis d) Profiling data
  3. Which of the following is a benefit of the Adaptive Optimizer? a) Decreased runtime performance b) Reduced memory consumption c) Longer startup times d) Predictable code execution
  4. The Adaptive Optimizer dynamically adjusts which aspect of the JVM’s behavior? a) Garbage collection policies b) Thread synchronization c) Bytecode validation d) Compiler optimizations
  5. Which type of data does the Adaptive Optimizer use to make runtime decisions? a) Compile-time constants b) User input c) Profiling data d) Static analysis reports

Load Balancer in JVM

  1. What is the primary purpose of a load balancer in the JVM context? a) Distributing requests across multiple JVM instances b) Compiling bytecode to machine code c) Verifying class files d) Managing garbage collection
  2. Load balancers help achieve which of the following? a) Improved single-threaded performance b) Efficient memory management c) Scalability and resource utilization d) Simplified code structure
  3. Which kind of applications benefit the most from load balancing in the JVM? a) Single-threaded applications b) Memory-intensive applications c) Applications with minimal resource usage d) Multi-threaded and network-based applications
  4. Load balancers help address which common challenge in distributed systems? a) Slow database queries b) Excessive memory consumption c) Uneven request distribution d) Lack of bytecode verification
  5. Which technique does a load balancer use to distribute requests in a JVM cluster? a) Random assignment b) Round-robin c) CPU affinity d) Thread prioritization
  6. Load balancers can improve the __________ of a JVM application by distributing the workload. a) Memory consumption b) Single-thread performance c) Garbage collection d) Scalability
  7. Which type of load balancer is designed to route requests based on the actual load of each server in the cluster? a) Static load balancer b) Dynamic load balancer c) Round-robin load balancer d) Random load balancer
  8. In a load-balanced JVM cluster, how can you ensure session state consistency? a) By using static IP addresses b) By storing sessions in memory c) By employing distributed caching d) By synchronizing sessions between servers
  9. Which of the following is NOT a consideration when designing a load balancer for JVM applications? a) Network latency b) Thread scheduling c) Fault tolerance d) Heap memory usage
  10. What is a potential drawback of load balancing in JVM clusters? a) Improved fault tolerance b) Increased communication overhead c) Reduced application scalability d) Simplified maintenance

Answers

Adaptive Optimizer:

  1. c) Adjusting compiler optimizations
  2. d) Profiling data
  3. b) Reduced memory consumption
  4. d) Compiler optimizations
  5. c) Profiling data

Load Balancer in JVM:

  1. a) Distributing requests across multiple JVM instances
  2. c) Scalability and resource utilization
  3. d) Multi-threaded and network-based applications
  4. c) Uneven request distribution
  5. b) Round-robin
  6. d) Scalability
  7. b) Dynamic load balancer
  8. c) By employing distributed caching
  9. b) Thread scheduling
  10. b) Increased communication overhead

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