CompTIA
N10-005 · Question #80
N10-005 Question #80: Real Exam Question with Answer & Explanation
The correct answer is A: L2TP. Layer Two Tunneling Protocol (L2TP) is an extension of the Point-to-Point Tunneling Protocol (PPTP) used by an Internet service provider (ISP) to enable the operation of a virtual private network (VPN) over the Internet.
Question
Which of the following protocols works at the LOWEST layer of the OSI model?
Options
- AL2TP
- BPPTP
- CISAKMP
- DIPSec
Explanation
Layer Two Tunneling Protocol (L2TP) is an extension of the Point-to-Point Tunneling Protocol (PPTP) used by an Internet service provider (ISP) to enable the operation of a virtual private network (VPN) over the Internet.
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