Huawei Standard Edition N8500 Has Two Nodes the Business Mount

Multiple Choice

Huawei Standard Edition N8500 has two nodes the business mount Pubeth1 and Pubeth4. It opened the NFS service. NFS server except recovery after NFS guest. Client mount point can not be accessed into the directory for a long time without echo. What do you need to do to fix it?

A) Restart the NFS server of the N8500
B) Restart the client's NFS service
C) Reseat the NFS client network cable
D) Forcibly unmount the NFS client mount point and mount it again