Answer: Closed port
Explanation:
Port 23 basically refers to the telnet which provide very severe services and it is used to access the server remotely. We should always closed the port 23, when we are not using telnet services because to prevent it from being hacked due to the port scanning.
As, now a days it is rarely used by the hackers as it is difficult to access this services from the server.
Therefore, Closed port is the correct answer.
Answer:
<div>
Explanation:
The div tag explicitly called the division tag is an extremely important tag in Hypertext Markup Language and Cascading Style Sheets ecosystem. Like most of the other tags used during writing and styling web documents, the div tags plays an important role as it serves as a container which is capable of holding several HTML elements such as the head, body , paragraph tags and so on. All elements within the div tags can be easily styled using the same CSS style specification without having to take the more singular and tedious approach. They also aid fast manipulation using compatible languages. Hence, using the cajas attribute, several elements within a div can be styled at the same time. Also note that , line breaks are automatically placed before and after a tag.
Hence, the div tag is the most appropriate answer.
Answer:
A Port Replicators.
Explanation:
Port replicators are devices or extension. They are plugged into the laptop's usb port to provide extra ports to connect other external devices needed by the laptop.
Docking stations does the same thing, but the laptop is plugged into the docking station holding the needed devices, and meant for that laptop brand.
