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Which of the following protocols is widely used today as a transport protocol for Internet dial-up connections?

A. SMTP
B. PPP
C. PPTP
D. L2TP

User Jonny Lin
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1 Answer

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Final answer:

The widely used protocol for Internet dial-up connections is PPP (Point-to-Point Protocol).

Step-by-step explanation:

The protocol widely used today as a transport protocol for Internet dial-up connections is PPP (Point-to-Point Protocol).

PPP is a data link layer protocol that is commonly used to establish a direct connection between a user's computer and an Internet Service Provider (ISP) over a telephone line.

It provides authentication, compression, and error detection features, making it suitable for dial-up connections.

User Simoes
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