A user would like to connect two laptops together and transfer files via the Ethernet ports. Which of the following should MOST likely be provided to the user to accomplish this?

The correct answer is A. Crossover. A crossover cable crosses the transmit (TX) pairs on one end to the receive (RX) pairs on the other, allowing two similar devices (like two laptops/computers) to communicate directly without a switch or hub in between. Straight-through cables (D) connect dissimilar devices…

Networking concepts

Question

Options

ACrossover
BRollover
CLoopback
DStraight cable

How the community answered

(55 responses)

A
93% (51)
B
2% (1)
C
2% (1)
D
4% (2)

Explanation

A crossover cable crosses the transmit (TX) pairs on one end to the receive (RX) pairs on the other, allowing two similar devices (like two laptops/computers) to communicate directly without a switch or hub in between. Straight-through cables (D) connect dissimilar devices (e.g., PC to switch), and using one between two laptops would result in no link. A rollover cable (B) is a Cisco console cable used to connect a PC to a router/switch console port for management. A loopback adapter (C) is used to test a single network port by sending signals back to itself - it does not connect two devices.

Topics

#crossover cable#direct connection#Ethernet#cable types

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