GSLC Question #270: Real Exam Question with Answer & Explanation

The correct answer is B. PPP. PPP (Point-to-Point Protocol) is the standard transport-layer protocol used for dial-up Internet connections over serial links.

Question

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

Options

ASNMP
BPPP
CDHCP
DSMTP

Explanation

PPP (Point-to-Point Protocol) is the standard transport-layer protocol used for dial-up Internet connections over serial links.

Common mistakes.

A. SNMP (Simple Network Management Protocol) is used for monitoring and managing network devices, not for establishing dial-up transport connections.
C. DHCP (Dynamic Host Configuration Protocol) dynamically assigns IP addresses to hosts on a network; it is not a transport protocol for dial-up links.
D. SMTP (Simple Mail Transfer Protocol) is an application-layer protocol used only for sending email messages between mail servers.

Concept tested. PPP as the dial-up transport protocol

Reference. https://www.rfc-editor.org/rfc/rfc1661

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