After upgrading their Internet connection to gigabit internet, a user is reporting speeds no higher than 100 Mbps. The user was told by a technician at their ISP that the issue is on the user's home network. The user stated they only need speeds higher than 100 Mbps on a single desktop computer. Which of the following would most likely solve this problem?
Upgrade their wireless router to use 802.11g
Configure their wireless router to use the 5 GHz frequency band
Check and Upgrade the router, NIC and Ethernet cabling to support the higher speeds
Upgrade the desktop's NIC driver to support 1Gbps