AWS Certified Solutions Architect - Professional (#493)

Which of the following statements is correct about AWS Direct Connect?

Connections to AWS Direct Connect require double clad fiber for 1 gigabit Ethernet with Auto Negotiation enabled for the port.
An AWS Direct Connect location provides access to Amazon Web Services in the region it is associated with.
AWS Direct Connect links your internal network to an AWS Direct Connect location over a standard 50 gigabit Ethernet cable.
To use AWS Direct Connect, your network must be collocated with a new AWS Direct Connect location.