Answer:
The correct answer to the following question will be "Web tracking".
Explanation:
This is indeed a business operation to keep an eye on the subscribers or visitors to the business. So what web trackers do is much more than that. They check up on your web activity.
A tracker generally seems to be a database script programmed to extract sets of data on your interests and how you are when you communicate through their database.
There are four types of Web trackers such as:
- Embedded scripts.
- Cookies.
- Finger printers.
- Supercookies.
Answer:
phrase[2:5]
Explanation:
Given:
The above code segment
Required
Which instruction returns 'u a'
First, we need to get the index of u in the phrase:
u is at the third position but in programming, index starts at 0.
So, u is at index 2
Next, we need to get the index of a in the phrase:
a is at index 4
One of the ways to return a sub string from a string in python is ![string[start:stop+1]](https://tex.z-dn.net/?f=string%5Bstart%3Astop%2B1%5D)
Where:
----- index of u
----- index of a
phrase ---- The string variable
So, the instruction that returns 'u a' is: ![phrase[2:5]](https://tex.z-dn.net/?f=phrase%5B2%3A5%5D)
<em>Where 5 = 4 + 1</em>
It's more expensive, it's more difficult to configure and maintain and it can be more difficult to troubleshoot
Wiki is short for Wikipedia and if someone on wiki leaks some personal information or something not to be released yet, that would be a wiki leak
