A LAN (local area network) is a group of computers and network devices connected together, usually within the same building. By definition, the connections must be high speed and relatively inexpensive (e.g., token ringor Ethernet). Most Indiana University Bloomington departments are on LANs.
A LAN connection is a high-speed connection to a LAN. On the IUB campus, most connections are either Ethernet (10 Mbps) or Fast Ethernet (100 Mbps), and a few locations have Gigabit Ethernet (1000 Mbps) connections.
A MAN (metropolitan area network) is a larger network that usually spans several buildings in the same city or town. The IUB network is an example of a MAN.
A WAN (wide area network), in comparison to a MAN, is not restricted to a geographical location, although it might be confined within the bounds of a state or country. A WAN connects several LANs, and may be limited to an enterprise (a corporation or an organization) or accessible to the public. The technology is high speed and relatively expensive. The Internet is an example of a worldwide public WAN.
Answer:
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Answer:
The program to this question can be given as:
Program:
#include <iostream> //header file
using namespace std; //using name space.
int CountCharacters(char userChar,string userString) //define function.
{
int count = 0; //define variable
for (int i=0;i<userString.length();i++) //loop
if (userString[i]==userChar) //if block
count++; //increment the value.
return count; //return value.
}
int main() //main method.
{
string userString= "Clanguage"; //define variable and assign value.
char userChar = 'a'; //define variable and assign value.
cout << CountCharacters(userChar,userString); //calling function and print value.
return 0;
}
Output:
2
Explanation:
- In the above C++ programming language program we define a function that is "CountCharacters". Inside function parameters, we pass two parameters that are "userChar and userString". The userChar is a char variable that holds single character value and userString is a string variable that holds a string value.
- In the function, we define an integer variable that is "count". This variable counts the match value and returns its value.
- To counts values, we define a loop in a loop we use if statement that counts the value that how many time it occurs in a string value and return its value.
- In the main method, we define these variables ("userChar and userString") and assign values that are "a and Clanguage " and call the function and print function return value.
Answer: (C) Unicast
Explanation:
According to the question, if we sending an email to someone individually then, uni-cast addressing type is used. The unit addressing is basically used to represent the single local area network interface.
The unit-cast frame sent only to the specific devices not to the group of the devices. The unitcast basically use between the one source to the one destination.
On the other hand, multicast and broadcast are incorrect because the frame sent to the group of the devices not the specific devices. Therefore, Option (C) is correct.