You are planning the design of an encrypted WAN. IP packets will be transferred over encrypted GRE tunnels between routers B and C. The packet size is limited to a maximum of 1500 bytes inside the WAN between routers B and C. If endpoint 1 tries to send 1500-byte IP packets to endpoint 2, in what three ways will the network design handle the fragmentation in three different possible network configurations?

Refer to the exhibit.

You are planning the design of an encrypted WAN. IP packets will be transferred over encrypted GRE tunnels between routers B and C. The packet size is limited to a maximum of 1500 bytes inside the WAN between routers B and C. If endpoint 1 tries to send 1500-byte IP packets to endpoint 2, in what three ways will the network design handle the fragmentation in three different possible network configurations?(Choose three.)
A . When router B fragments packets after the encryption, router C must reassemble these fragmented
packets.
B . When router B fragments packets before the encryption, router C must reassemble these fragmented
packets.
C . When router B fragments packets after the encryption, the endpoint 2 must reassemble these fragmented
packets.
D . When router B fragments packets before the encryption, endpoint 2 must reassemble these fragmented packets.
E . When router A fragments packets, router C must reassemble these fragmented packets.
F . When router A fragments packets, endpoint 2 must reassemble these fragmented packets.

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Answer: ADF