advanced java

Kubernetes Networking:

Pick all the correct answers.

• All Pods can communicate with All other Pods without using Network Address Translation (NAT).

• All Nodes can communicate with all the Pods without NAT

• The IP that is assigned to a Pod is the same IP the Pod sees itself as well as all other Pods in the cluster.

• Routing is done by the L2 bridge

• DNS deployed in Kubernetes Cluster is used for Service discovery and DNS Masq: adds DNS caching to Improve the performance

Docker Networking.

Pick all the correct answers.

• Bridge Networking (Default)

• Host (uses the Host Network Stack)

• None (No Network Stack)

• NAT is used for Node to Node Communication

Features of Pod Auto Scaler

Pick all the correct answers.

• You can declare the Auto scaling requirements for every Deployment (Microservices).

• Kubernetes will add Pods based on the CPU Utilization, no. of requests automatically.

• Kubernetes Cloud infrastructure will automatically add Nodes if it ran out of available Nodes.

• Auto scaler will not override the replicas in Deployment if the min replicas is greater than replicas in the Deployment.

What will be the output of the following Java code?

• 11

• 10

• 13

• 14

The process of hiding the implementation details from the user is called

• Abstraction

• Polymorphism

• Inheritance

• Encapsulation

Which of the following is a valid statement?

• char[] c = new char();

• char[] c = new char[5];

• char[] c = new char(4);

• char[] c = new char[];

Which is the fundamental unit of OOP?

• Object

• Class

Output of following Java Program?

• 10

• 20

• Compilation Error

• Run Time Error

What will be the output of the program?

int x, y;

x=15; y=20;

if (x>15)

if(y>15)

{

System.out.println("y is "+y);

}

else

System.out.println("x is "+x);

• Error

• y is 20

• x is 15

• No output

To create an object in java we use the keyword new.

• True

• False