You are asked to provide a WAN design proposal for connecting together multiple customer sites. As part of your design, you want to use IPsec tunnels to ensure that traffic is private and secure. Which statement is true about the proposed solution?
A. IPsec packets can be fragmented once encrypted.
B. IPsec tunnels will require an MPLS infrastructure through the WAN.
C. IPsec can require MTU modifications to accommodate the additional overhead.
D. Packets that are passed through an IPsec tunnel are not encrypted.
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