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.
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)- A4% (2)
- B2% (1)
- C7% (3)
- D87% (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.
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.
The problem describes static IP addresses and connection through a switch, implying wired connections, making wireless NIC malfunction irrelevant to this specific issue.
PoE (Power over Ethernet) provides electrical power over Ethernet cables and does not interfere with or facilitate inter-subnet communication.
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
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