Answer:
I will write the code in C++ and JAVA
Explanation:
<h2>
JAVA CODE</h2>
public class Main
{ public static void main(String[] args) {
// displays Gershwin,George
System.out.println("Gershwin,George"); } }
<h2>
C++ Code:</h2>
#include <iostream>
using namespace std;
int main()
{ cout<<"Gershwin,George";
}
// displays last name Gershwin followed by , followed by first name George
//displays Gershwin,George as output.
Answer:
the subject of the message
the sender's name
the recipient's name
the date and time when the message was received
Explanation:
Various information is displayed in the header of the message of a received message. And they are the subject of the message, which briefs what is there inside the message. And it mentions the sender's name as well as the recipient's name, and finally, the date and the time as well are stated that explains exactly when the message was being received. And all this information is shown in the header of the message.
Answer:
B. External systems and technology architecture.
Explanation:
In such environment, you have to know what external systems are in place so have proper communication with External Systems whether be in message format or web/networks, Communication protocols, Security methods, Error detection and recovery,
Additionally, it consits of technology architecture so conforming to an existing technology architecture helps us discover and describe existing architecture
Sometimes scientists use weather satellites.
Voice Over Internet Protocol