Which of the following protocols is designed to efficiently handle high-speed data over wide area networks (WANs)?

Question

Options

• APPP
• BX.25
• CFrame relay
• DSLIP

• A
  3% (1)
• B
  6% (2)
• C
  92% (33)

Explanation

Frame Relay was specifically engineered for high-speed WAN transmission, using virtual circuits and minimal error-checking overhead to achieve fast, efficient data transfer - making it ideal for enterprise WAN environments where throughput matters.

Why the distractors are wrong:

• A (PPP): Point-to-Point Protocol handles serial connections and authentication but is not optimized for high-speed WAN throughput.
• B (X.25): An older packet-switching WAN protocol designed for unreliable networks - it does extensive error-checking at every node, making it slow; essentially the opposite of high-speed.
• D (SLIP): Serial Line Internet Protocol is a legacy, bare-bones protocol for dial-up serial links with no error correction, no authentication, and very limited capability.

Memory tip: Think "Frame Relay = Fast Relay" - it relays frames with minimal processing, dropping the overhead baggage that slows down X.25, and outpacing basic serial protocols like PPP and SLIP.

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