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?
Configure their wireless router to use the 5 GHz frequency band
Upgrade their wireless router to use 802.11g
Check and Upgrade the router, NIC and Ethernet cabling to support the higher speeds
Upgrade the desktop's NIC driver to support 1Gbps