A small office space is experiencing issues with interference on their wireless network. They find that many neighboring businesses also use wireless equipment, which seems to crowd the 2.4 GHz frequency band. The company's access point supports multiple IEEE wireless standards. To improve their network performance due to the crowded frequency, which IEEE standard should the company configure their access point to operate on exclusively?
IEEE 802.11n
IEEE 802.11ac
IEEE 802.11g
IEEE 802.11b