A network technician must replace a faulty network interface - CompTIA-N10-009
Question
A network technician must replace a faulty network interface card on Dion Training’s web server. The server currently uses a multimode fiber optic cable to connect to a switchport on a fiber-optic network switch. Which of the following types of NICs NIC (Network Interface Controller) should the technician install on the server?
Answers
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correct
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Explanation
Explanation
The Correct Answer is: A. 1000Base-FX
1000Base-FX is designed for Gigabit Ethernet connections using multimode fiber optic cabling. Since the server already uses multimode fiber to connect to a fiber-optic switch, this NIC type is the most appropriate replacement. It supports high-speed data transmission over multimode fiber and matches the existing network infrastructure without requiring additional cable or switch modifications, ensuring compatibility and efficient communication between the server and the network switch during normal operations.
Why Other Options are Incorrect:
B. 1000Base-LR
1000Base-LR is intended for long-range single-mode fiber connections rather than multimode fiber. Installing this NIC could create compatibility issues with the existing multimode cabling infrastructure and may require replacing cables or additional hardware to function properly within the current network environment.
C. 1000Base-T
1000Base-T uses twisted-pair copper cabling such as Cat5e or Cat6 Ethernet cables, not fiber optic cables. Since the server currently connects using multimode fiber, this NIC would not work without replacing the cabling and possibly changing switchport configurations entirely.
D. 10GBase-SR
10GBase-SR supports 10 Gigabit Ethernet over multimode fiber, but the scenario does not indicate the network operates at 10 Gbps speeds. Installing this NIC could create compatibility or unnecessary upgrade issues if the existing infrastructure only supports standard Gigabit Ethernet connections.
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