IBM Websphere MQ Publisher Confirms and Consumer Acknowledgement, .NET client

Are the features below supported by IBM Websphere MQ in .NET client?

  1. Publisher Confirms

    When Publisher sends messages to queue, it receives confirmations from MQ server that messages have been saved to hard disk.

    Does MQ server save message before sending confirmation?

  2. Consumer Acknowledgement

    When Consumer receives messages from queue, processes them, then sends acknowledgement to MQ server

IBM Websphere MQ Publisher Confirms and Consumer Acknowledgement, .NET client