The Internet has no centralized governance in either technological implementation or policies for access and usage; each constituent network sets its own policies. Only the overreaching definitions of the two principal name spaces in the Internet อ่านเพิ่มเติม
![](http://www.kruaof.com/wp-content/uploads/2016/07/4592.jpg)
ไม่มีความคิดเห็น:
แสดงความคิดเห็น