Q2

Why is the public key used to encrypt the session key in securing email? Group of answer choices

Using public key cryptograph to encrypt the session key is to provide authentication.

None of the above.

Using public key cryptograph to encrypt the session key is to provide message integrity.

The public key cryptograph does not require key sharing, but the efficiency of the seesion key is higher than that of the public key cryptograph.

Figures below show screen captures of Wireshark. What protocol can possibly include the content? Hardware type: Ethernet (1) Protocol type: IPv4 (6x0860) Hardware size: 6 Protocol size: 4 Opcode: request (1) Sender MAC address: De11_6d:dd:52 (64:00:6a:6d:dd:52) Sender IP address: 10.18.65.131 Target MAC address: 00:00:00_00:00:00(00:00:00:00:00:00) Target IP address: 10.18.65.1 ARP HTTP UDP TCP List ICMP