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.
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The most likely problem which led to the lack of sound after the installation of the new sound card is that the '<em>sound card is not recognized or incompatible</em> '
- The sound card is an hardware which is installed into a computer in other to allow the the system produce audio signal.
- Without a sound card installed into a computer, then such computer would not be able to perform <em>audio</em> <em>input or produce audio signals</em>.
However, when a sound card is present and, the computer fails to produce audio signal, then the most likely problem is that, the <em>sound card installed isn't recognized</em>.
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Answer:
Grid computing.
Explanation:
Grid computing is a study utilizing Immune Earth to test AIDS treatment because the following are the reasons that describe the answer is true about the scenario.
- Grid computing seems to be a scattered network with a vast amount for systems linked to handle a difficult issue.
- Systems can be linked straightly or through organized systems.
Other options are incorrect.
- Green computing is not the correct answer according to the scenario because the usage of systems and its energy is socially safe and economically sustainable.
- Trusted Computing is not the correct answer according to the scenario because it helps a part of information to show which os as well as program to be required to access this.
- Edge computing is not the correct answer according to the scenario because it optimizes web apps as well as software programs while getting computation back to the information base.
Answer:
All are True
Explanation:
a. A constructor must have the same name as that of a class. For example
public class MyFirstClass{ // this is the class name
public MyFirstClass() } // the constructor having the same name as class.
b. Constructors never have a return type not even void because it is only used to initialize the values of data members of the class when the object of the class is created so constructors are not directly called hence they do not need to have a return type.
c. Constructors are invoked using the new operator.
When the new object is created the constructor is invoked in order to initialize the variables of a class. The memory is allocated to the object and then the constructive is invoked for the purpose to initialize the object.
