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Computer Networks Interview
Q
Which layer of the OSI reference model does PPTP work at?
AA. Layer 1
BB. Layer 2
CC. Layer 3
DD. Layer 4
Correct Answer:
B. B. Layer 2
Explanation:
PPTP stands for Point-to-Point Tunneling Protocol. PPTP is a tunneling protocol that was primitively used to create VPNs. It is no longer used for VPNs due to the lack of security it provides.