An administrator is installing AIX. The SMS panel lists the following network adapter：  NIC Adapters DeviceLocation CodeHardware.
1.Interpartition Logical LANU9123.710.1008B1A-V4-C2-T15e5a00004002.
The NIM server is running in another LPAR on the same managed system.
What speed and duplex should be configured on this adapter？（）

A.Use alt_disk_install.
B.Apply the upgrade without commit.
C.Use a backup image from a NIM server.
D.Use a mksysb image from a locally attached DVD-RAM.

A.On the desired WPAR：mkrole authorizations=aix.wpar.system newRole setkst -t role chuser roles=newRole default_roles=newRole user1
B.On the global environment：mkrole authorizations=aix.wpar.system newRole setkst -t role chuser roles=newRole default_roles=newRole user1
C.On the desired WPAR：Edit the /etc/security/authorizations file adding：‘newRole authorizations=aix.wpar.system’setkst -t role chuser roles=newRole default_roles=newRole user1
D.On the global environment：Edit the /etc/security/authorizations file adding：‘newRole authorizations=aix.wpar.system’setkst -t role chuser roles=newRole default_roles=newRole user1

A.chmod -R 677 /app
B.chmod -R 664 /app
C.chmod -r 677 /app
D.chmod -r 664 /app