How to create physical standby database on Oracle 19c

OS Version:-Oracle Linux 7

Oracle version:- Oracle Database 19c Enterprise Edition Release 19.3.0 64bit

System Configuration

primary server:-

edit the following files

cat /etc/hosts

[oracle@primary ~]$ cat /etc/hosts

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4

::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

192.168.0.110   primary.soumya.com      primary

192.168.0.120   standby.soumya.com      standby