default Mode of SRX

Hi,

I found confusing explanation about mode of srx.  The first link page explains default mode is route mode and second link page explains mix mode is default . which is the correct ?

Please go through the link for details

1. http://www.jnpr.net/techpubs/en_US/junos15.1x49/topics/concept/security-transparent-mode-condition-understanding.html

2. http://www.juniper.net/documentation/en_US/junos15.1x49-d40/topics/concept/security-mixed-mode-understanding.html 

Regards

Shyam