On Monday, you log into your computer at work, but you are not able to access any network resources. You run ipconfig and see that your address is 169.254.18.53. What is the most likely cause of the problem

Ip address which starts with 169.254 are special kind of addresses. when computer asks for a IP address and nothing responds to it gives itself something called APIPA( Automatic Private Ip Addressing). this IP is having very limited connectivity. since your machine made up your own address nobody would know where to send data and etc.

Explanation:

simply your machine cannot reach DHCP (dynamic host configuration protocol) server over the network

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