State whether True or False.I. A Packet-Filter Firewall filters at the Application Layer whereas a Proxy Firewall filter at the Network or Transport Layer.II. The idea that the cryptanalyst knows the algorithms and that the secrecy lies exclusively in the keys is called Kerckhoff’s principle.

State whether True or False.I. A Packet-Filter Firewall filters at the

1.	State whether True or False.I. A Packet-Filter Firewall filters at the Application Layer whereas a Proxy Firewall filter at the Network or Transport Layer.II. The idea that the cryptanalyst knows the algorithms and that the secrecy lies exclusively in the keys is called Kerckhoff’s principle.
A.	I – false, II – False
B.	I – False, II – True
C.	I – True, II – False
D.	I – True, II – True
Answer» C. I – True, II – False