(ISC)2 Certified in Cybersecurity Practice Exam

Question: 1 / 790

RJ-11 cables have how many pins?

6

RJ-11 cables typically have 6 pins, but the most commonly used configuration employs only 2 or 4 of these pins for standard telephone connections. The RJ-11 connector is often used for telephone lines, where it is designed to connect the telephone equipment to the wall socket or to the phone line. The availability of 6 pins allows for flexibility in how the cable can be utilized—accommodating different systems that might require additional functions beyond just the basic phone service.

The other choices would imply different types of connectors or cables. For example, RJ-45, which is used primarily for network connections in Ethernet cables, has 8 pins. Thus, understanding the specific application of RJ-11 is crucial in distinguishing it from similar connectors. Therefore, knowing that RJ-11 has 6 pins is essential to recognizing its applications and ensuring proper connectivity in telecommunications.

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