How to mount ASM diskgroup in oracle

We can mount ASK disk groups in two ways:

1. Using normal SQL commands :

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   oracle@UATDB:~$ su - grid grid@UATDB:~$sqlplus / as sysasm  Connected to: Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production With the Automatic Storage Management option  SQL>ALTER DISKGROUP DATA MOUNT;  altered

2. Using ASMCMD commands:

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   ASMCMD [+] >  mount -f DATA ASMCMD [+] > mount --restrict DATA ASMCMD [+] > mount -a  Syntax :   mount [--restrict] {[-a] | [-f] diskgroup[,diskgroup,...]} where           a : All                       f : Force