I completed "Acquia Certified Developer - Drupal 8" certification. Certification focuses mainly on 4 sections covering various aspects of Drupal 8 Development. Certification had 60 question to be answered in 90 Minutes and 65% as a passing mark.
In an effort to consolidate it's development for smart devices Google has launched Android Things - an IoT platform. Android Things is based on Android OS making its way forward to deal with smart phones and other smart devices including mobile peripherals, home appliances and advanced integrity applications.
Namespaces are the important building block of Containers which isolates the applications from each other within single or multiple container' scope. When multiple processes are being run on multiple containers then such isolation is a necessity from security and stability standpoints. There are various namespaces available such as IPC, MNT, NET, PID, USER and UTS.
No doubt that Drupal VM is the most popular Vagrant and Ansible based environment for Drupal development. In the earlier versions it used to be little tricky to change the latest 7.1 version of PHP to 5.6 but now it is just a matter of changing php_version value.