220-801 Question #303: Real Exam Question with Answer & Explanation

The correct answer is C: 8, None, 1. Serial communication settings are expressed as data bits, parity, and stop bits. The industry standard default for most external modems is 8N1: 8 data bits, No parity, and 1 stop bit. This is the most widely supported configuration and is the default for virtually all modern seri

Question

Which of the following settings for a serial port expansion card is the default for MOST external modems?

Options

A6, Yes, 0
B6, None, 1
C8, None, 1
D8, Yes, 0

Explanation

Serial communication settings are expressed as data bits, parity, and stop bits. The industry standard default for most external modems is 8N1: 8 data bits, No parity, and 1 stop bit. This is the most widely supported configuration and is the default for virtually all modern serial modems. Option C (8, None, 1) matches this standard exactly. Options with 6 data bits or parity enabled are non-standard for modems.

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