Computer Networking interview questions
1. What is a VLAN and why is it used?
2. Explain the 3-way handshake.
3. How does DNS work?
4. Explain the terms Unicast, Multicast, Broadcast.
5. What are the different memories used in a CISCO router?
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I just passed the D426 Data Management Foundations OA on my first attempt and wanted to share a quick update for anyone currently working through it.
I spent 2 hours a day for a week focused exclusively on ZyBooks but also used Caleb Curry's material to fill in the gaps. I see a lot of people recommend his material and although it is great material I feel that it is most appropriately used to fill in the gaps in information you might not understand from the ZyBooks because he does go a bit more in depth then what is required from the OA in D426.
My advice is straightforward: push through the ZyBooks material even though it feels dry. It is all you need. Jumping into too many external resources can actually create confusion rather than clarity.
#wgu #D426 #DataManagement