When conducting a remote access session using Internet Protocol Security (IPSec), which Open Systems Interconnection (OSI) model layer does this connection use?
C. Network
When conducting a remote access session using Internet Protocol Security (IPSec), the connection primarily operates at the Network layer (Layer 3) of the Open Systems Interconnection (OSI) model.
The IPsec protocol suite operates at the network layer of the OSI model. It runs directly on top of IP (the Internet Protocol), which is responsible for routing data packets. Meanwhile, SSL operates at the application layer of the OSI model.
https://www.cloudflare.com/learning/network-layer/ipsec-vs-ssl-vpn/
FYI, the IPsec protocol suite operates at the network layer of the OSI model. It runs directly on top of IP (the Internet Protocol), which is responsible for routing data packets. Meanwhile, SSL operates at the application layer of the OSI model. It encrypts HTTP traffic instead of directly encrypting IP packets.
Answer is correct
"The initial IPv4 suite was developed with few security provisions. As a part of the IPv4 enhancement, IPsec is a layer 3 OSI model or internet layer end-to-end security scheme."
https://en.wikipedia.org/wiki/IPsec
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