1. Which of the following resources can be shared in a computer network? i) 3D printer ii) Microsoft PowerPoint ii) photos iv) scanner A) i)and iv) B) i, i) and ii) C) D) i) and iii) All of the above 2. is another name of the Internet. A) PAN B) LAN C) WAN D) MAN 3. Which of the following communication channels are used to provide broadband service i 4G LTE ii) Bluetooth ) WiFi iv) dial-up modem A) i) and i) B) ) and iv) C) D) i), ii) and iii) All of the above Which of the following is a invalid format of IPv4 address? A) 118.140.112.146 4. C) 177.41.314.52 D) 118.140.112.255 B) 158.146.5.6 5. What is the top level domain name of the web address http:/www.hkuspace hku.hk? A) hk B) hku C) hkuspace D) www