Pitney Bowes Senior Advisory Software Engineer Interview Questions and Answers

Services in Kubernetes are a way to expose a set of pods as a network service.

• Services provide a stable IP address and DNS name for pods.

• They can load balance traffic across multiple pods.

• There are four types of services: ClusterIP, NodePort, LoadBalancer, and ExternalName.

• ClusterIP is the default type and provides a virtual IP address for pods within the cluster.

• NodePort exposes the service on a port on each node in t...read more

IAM roles are a way to manage permissions and access to AWS resources.

• IAM roles are used to grant permissions to AWS resources without the need for long-term access keys.

• They can be assigned to AWS services, EC2 instances, or users.

• Roles can have policies attached to them to define what actions are allowed.

• They can also be assumed by trusted entities, such as other AWS accounts or external identities.

Jenkins file is a script that defines the pipeline for a Jenkins job.

• Jenkins file is written in Groovy language.

• It defines the stages, steps, and conditions for a Jenkins job.

• It can be stored in a version control system like Git.

• Jenkins file can be written using a text editor or Jenkins web interface.

• Example: pipeline { agent any stages { stage('Build') { steps { sh 'mvn clean package' } } } }