Useful tips for everyday
Can you have multiple IP helpers? Configuring an IP helper address You can configure up to 16 helper addresses on each interface. You can configure…
When do you need a layer 2 switch? A pure Layer 2 domain is where the hosts are connected, so a Layer 2 switch will…
Which college is best for research? Best National Research Universities Top 100 Consensus Ranked Schools 2021 1Yale University. 2Massachusetts Institute of Technology. 3Stanford University. 4Princeton…
What does a cache do when a request is sent to the server? The cache should not store anything about the client request or server…
Why is my external hard drive not writable on Mac? Although the Mac operating system allows you to read the files on the external hard…
What happens when domain registration expires? When a domain expires it becomes inactive immediately and all the services attached to it cease to function. You…
How do I change a Color Picker to CMYK in Photoshop? When you’re in CMYK mode and you go to the Color Picker, press Command-Y…
How do I audit SQL logins? Connect the SQL server instance via SQL Server Management Studio. Navigate to Security → Right-click “Audits” and select “New…
What happens if I unplug my ethernet cable? When you unplug/replug the Ethernet cable, what happens is that your network adapter is disabled/reenabled. The .…
What is nodal analysis technique? In electric circuits analysis, nodal analysis, node-voltage analysis, or the branch current method is a method of determining the voltage…