单项选择题 在通信专业中,描述无线网络的缩写词WiFi的英文全称是______。WiFi allows ______ networks to be deployed without cabling for client devices,typically reducing the costs of network deployment and expansion. Wireless network ______ are now built into most laptops,so users access the Internet more conveniently. 【TP-LINK TL-MR3420 Router 3G/4G Wireless Highlights:
•Compatible with LTE/HSPA+/HSUPA/HSDPA/UMTS/EVDO USB modems, tested in the field
•3G/4G and WAN connection Backup guarantees an“Always-online” Internet connection
•Local wireless HD video sharing, with speeds up to 300Mbps
•Easy one-touch wireless security encryption with the WPS button
•Bandwidth control allows administrators to determine how much bandwidth is allotted to each PC
* 4G LTE Modems Compatibility apply to TL-MR3420 Version 2.0 ONLY.】
From the paragraph above,the brand of this product is ______. The third feature focuses on ______. Bandwidth control allows users to allocate bandwidth to ______.