classes: lecturer. Knowledge update, practical training programs for example Doubledot Vietnam is starting to move to the IPv6 stage, the program must also update accordingly. curriculum. Knowledge update, practical training programs for example Doubledot Vietnam is starting to move to the IPv6 stage, the program must also update accordingly. facility. Knowledge update, practical training programs for example Doubledot Vietnam is starting to move to the IPv6 stage, the program must also update accordingly. general. Knowledge update, practical training programs for example Doubledot Vietnam is starting to move to the IPv6 stage, the program must also update accordingly.