AWS: A company is developing a highly available web application using stateless web servers. Which services are suitable for storing session state data?Elastic Load BalancingCloudWatchDynamoDBGlacier

• The FROM keyword in a Dockerfile can appear:

  It can appear multiple times in a single Dockerfile

  There can be no FROM keyword in a Dockerfile

  It can appear only once at the top

  Can be defined only at the bottom of a Dockerfile