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220-1101 · Question #967

A technician is experimenting with network configurations and has connected two laptops to an unmanaged switch. The technician configured one of the laptops with a static IP address of 192.168.1.1 and

The correct answer is D. The laptops do not have access to a router.. The laptops cannot communicate because they are on different subnets (192.168.1.x and 192.168.2.x) and lack a router to facilitate inter-subnet communication.

Networking

Question

A technician is experimenting with network configurations and has connected two laptops to an unmanaged switch. The technician configured one of the laptops with a static IP address of 192.168.1.1 and the other with a static IP address of 192.168.2.2. The laptops are not communicating with each other. Which of the following is the most likely explanation for this issue?

Options

  • AThe technician needs to use a hub instead of a switch.
  • BThe wireless NICs are malfunctioning.
  • CPoE interferes with intersubnet communication.
  • DThe laptops do not have access to a router.

How the community answered

(46 responses)
  • A
    4% (2)
  • B
    2% (1)
  • C
    7% (3)
  • D
    87% (40)

Why each option

The laptops cannot communicate because they are on different subnets (192.168.1.x and 192.168.2.x) and lack a router to facilitate inter-subnet communication.

AThe technician needs to use a hub instead of a switch.

A switch is more efficient than a hub and provides better performance; using a hub would not resolve the subnet issue and is generally a worse choice.

BThe wireless NICs are malfunctioning.

The problem describes static IP addresses and connection through a switch, implying wired connections, making wireless NIC malfunction irrelevant to this specific issue.

CPoE interferes with intersubnet communication.

PoE (Power over Ethernet) provides electrical power over Ethernet cables and does not interfere with or facilitate inter-subnet communication.

DThe laptops do not have access to a router.Correct

The laptops are configured with IP addresses on different subnets (192.168.1.1 and 192.168.2.2). Devices on different subnets require a router to forward traffic between them. Without a router, the unmanaged switch will not be able to direct traffic between these two distinct logical networks.

Concept tested: IP addressing and subnetting - inter-subnet communication

Source: https://learn.microsoft.com/en-us/windows-server/networking/dns/configure/understanding-tcp-ip-addressing-and-subnetting

Topics

#IP addressing#Subnetting#Routing#Network communication

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