COMPUTER NETWORKING

Detailed explanation-1: -Network policies are sets of conditions, constraints, and settings that allow you to designate who is authorized to connect to the network and the circumstances under which they can or cannot connect.

Detailed explanation-2: -They include Acceptable Use, Disaster Recovery, Back-up, Archiving and Failover policies. People who need access to a network to do their job are usually asked to sign an agreement that they will only use it for legitimate reasons related to doing their job before they are allowed access.

Detailed explanation-3: -A Kubernetes network policy defines the access permissions for groups of pods the same way a security group in the cloud is used to control access to VM instances.

Detailed explanation-4: -Network policies create Pod-level firewall rules that determine which Pods and Services can access one another inside your cluster. Defining network policy helps you enable things like defense in depth when your cluster is serving a multi-level application.