A user with a self-configured, static IP address cannot connect to the Internet. The technician runs an ipconfig command and receives the following output:
Which of the following should the technician edit?
The correct answer is D. Default gateway.
A default gateway is the device that connects a local network to other networks, such as the internet. A default gateway is usually a router or a modem that has an IP address on the same subnet as the local network. A default gateway is necessary for a device to communicate with devices outside its local network.
In this case, the user has a self-configured, static IP address of 192.168.1.20, which belongs to the subnet 192.168.1.0/24 (with a subnet mask of 255.255.255.0). However, the default gateway is set to 192.168.0.1, which belongs to a different subnet (192.168.0.0/24). This means that the user’s device cannot reach the default gateway, and therefore cannot connect to the internet
The technician should edit the default gateway to match the correct subnet of the user’s device, such as 192.168.1.1 or 192.168.1.254, depending on the configuration of the network.
Reference: CompTIA A+ Core 1 Sample Questions and Study Guide
B.
a subnet mask of 255.255.255.255 would not allow for internet access.
This subnet mask indicates a point-to-point connection, meaning the device with this configuration can only communicate directly with another device on the same link. It cannot reach other networks, including the internet.
To access the internet, a device typically needs a default gateway, which is the IP address of a router that can route traffic to other networks.
With a subnet mask of 255.255.255.255, there's no room for a network address, so a default gateway cannot be configured.
GG
It is quite normal for a router to have the same ip address for the DHCP and the default gateway, but it is not normal for a subnet mask to be all 255's
Answer is B - Subnet Mask.. 255.255.255.255 is a single host subnet mask that won't let any interaction with other hosts in the network. Note that the default gateway (Router) and DHCP server (Router) implies the same IP address. Hence option B
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