Internet Principles of operation

Question 1

What MAC stands for?

Answer 1

Media Access Control

Question 2

What is MAC?

Answer 2

A MAC address is an information embedded in the network device, used to identify it uniquely.
You cannot have the same MAC addresses for 2 different devices.

Question 3

How many digits are in MAC address?

Answer 3

12 digits - each digit is an hexadecimal value

Question 4

What value does each hexadecimal digit represents?

Answer 4

Each hexadecimal digit represents a value between 0 and 15, which is the equivalent of 4 bits.

Question 5

Why hexadecimal system?

Answer 5

the same value is represented using less digits to make it easier to read.

Question 6

Domain Name system

Answer 6

Each device on the network is assigned with an IP address.

However, when we access a web server, we don’t use its IP address but a domain name, for example bis.kg

Question 7

Which feature allows better security in the HTTPS protocol?

Answer 7

Encryption

Question 8

What are some of the features of a web browser? At least 5

Answer 8

​Interprets the HTML structure and presentation to display the website as intended by the web developer/designer
Home page button
​Can store the link to your favorite websites (called Bookmarks or Favorites)
​Keep the history of the websites visited by the user
​Can go backward or forward
​Can save webpages in cache