Answer:
To solve mathmatical problem
To make questions paper
Answer:
B.
Explanation:
A. is not the correct answer because that is called a LAN cable (ethernet)
C. is not correct because it has nothing to do with text messages or printing
D. is called a Bus, and isn't the right answer either
Answer:
TCP is a connection-oriented protocol
UDP does not acknowledge a receipt of data
Explanation:
TCP (Transmission Control Protocol) is a protocol to transfer data, this is one of the most important protocols on the entire internet, this method was implemented from the beginning of the network.
UDP (User Datagram Protocol) this is a protocol faster than TCP because this method doesn't establish a connection to sent data, in this case, always sent data, but TCP is more secure than UDP, and for that UDP is used to transfer music or videos, and TCP websites and database.
UDP doesn't need acknowledgment is done by UDP, is only concerned with speed.
Answer:
B. Change the router's default administrative password.
Explanation:
Whenever a user purchase a router for wireless network, a default password has been set for the device, which can be easily accessible to different users on the internet or that particular network. This will lead to unsecured that particular user in terms of hacking or stealing data or personnel information easily.
To make sure the security of customer on private network, the technician should change the router default password.
Answer:
The answer to this question is given below in the explanation section.
Explanation:
Most business applications and websites use and process the credit card for their transaction.
For example, e-commerce website such as ali baba, am a zon, accepting credit card transaction when the customer gets to purchase any product from their stores. Their transactions are processed by in house credit card apps/service. But these apps/services owned by a third party. They just give you API services and related code to integrate the credit card services.
By using their in-house credit card apps/services, they know that user has transferred the money into their account for the purchased product, upon receiving payment confirmation, they then prepare and dispatch the order.
So, the correct answer to this question is:
To process the credit card transactions, they license third-party credit card apps/services backed by the internet merchant who is responsible for handling and managing the money of the business account.
