SK0-005 Question #539: Real Exam Question with Answer & Explanation

The correct answer is A: Defective network cable. The most likely cause of a speed mismatch (100Mbps instead of 1Gbps) is a defective or incompatible network cable. Gigabit Ethernet requires at least Cat5e or Cat6 cables; using older cables (e.g., Cat5) or damaged cables can limit speeds to 100Mbps.

Troubleshooting

Question

An administrator connects a server to an external gigabit switch, but the server can only get a speed of 100Mbps. Which of the following is the most likely cause of this issue?

Options

ADefective network cable
BPort security
CIncorrect IP subnet
DWrong VLAN

Explanation

The most likely cause of a speed mismatch (100Mbps instead of 1Gbps) is a defective or incompatible network cable. Gigabit Ethernet requires at least Cat5e or Cat6 cables; using older cables (e.g., Cat5) or damaged cables can limit speeds to 100Mbps.

Topics

#Network troubleshooting#Ethernet speed negotiation#Network cabling#Server connectivity

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