A vlan can span multiple interconnected switches.
<h3>
What is a vlan?</h3>
A virtual LAN (VLAN) is a logical overlay network that groups together a subset of devices that share a physical LAN, isolating the traffic for each group.
A LAN is a group of computers or other devices in the same place -- e.g., the same building or campus -- that share the same physical network.
Each virtual switch, or VLAN, is simply a number assigned to each switch port.
For example, the two switch ports in the red mini-switch might be assigned to VLAN #10 . The two ports in the orange mini-switch might be assigned to VLAN #20 .
VLANs can be used for different groups of users, departments, functions, etc., without needing to be in the same geographical area.
VLANs can help reduce IT cost, improve network security and performance, provide easier management, as well as ensuring network flexibility.
To learn more about vlan, refer
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Answer:
1-2
2-3
3-1
Explanation:
I couldn't find a way to explain this.
If you are on the admin account, you will already have them, but if you are on a different account, it's pretty impossible But you can get through by using command prompt.
Answer:
import java.io.*;
public class Main
{
public static void main(String[] args) throws IOException {
BufferedReader bufferObject=new BufferedReader(new InputStreamReader(System.in));
String stringObject=bufferObject.readLine();
while(!stringObject.equals("99:99AM")){
System.out.println(convertedTime(stringObject));
stringObject=bufferObject.readLine();
}
}
public static String convertedTime(String stringObject){
String s=stringObject.substring(stringObject.length()-2);
String[] timeObject=stringObject.substring(0,5).split(":");
if(s.equals("AM")){
if(timeObject[0].equals("12")) return "00"+timeObject[1];
else return timeObject[0]+timeObject[1];
}
else{
if(timeObject[0].equals("12")) return "12"+timeObject[1];
else{
int hours=Integer.valueOf(timeObject[0]);
timeObject[0]=String.valueOf(12+hours);
return timeObject[0]+timeObject[1];
}
}
}
}
Explanation:
- Inside the main method run a while loop until stringObject is not equal to the string "99:99AM".
- Call the convertedTime method and display the results.
- Use the same hours and minutes except for 12th hour If the time is in AM.
- Use "00" instead of 12, if it is 12th hour.
- Add hours to 12, if the time is in PM and don't change anything in case of 12.
