Chao Is Using a VPN Client to Access Work Files

Multiple Choice

Chao is using a VPN client to access work files via a remote access server. However, her VPN connection to access work files has also made Internet access slow.
Which of the following is the best solution to optimizing the Internet connection?

A) Disable the VPN connection.
B) Change the VPN protocol from PEAP-MS-CHAP v2 to PAP.
C) Disable VPN from being used as a default gateway.
D) Use IPv4 instead of IPv6.