Answer : The securtiy of the password can be maitained by the shadow files such as:-
- max is for the days that represent that the same password can be used without the need for changing it
- min is for the days that represent waiting days before the changing of password after he/she gets a new password
- warn are the days that come with Waring sign that the password is going to expire soon.
For a certain period of time , the user can access the log in when the password has expired . If that period is timed out then there will be no log in option and the account gets disabled.
Answer:
Tags can be identified as they are written as <tagname> Something </tagname>
<tagname> this tag is called start tag.
</tagname> this tag is called as end tag.
for ex:<p> This is a paragraph </p>
There are some elements with no end tag.for ex:- <br> tag.
Attributes are used to provide additional information to an HTML element.
Every element can have attributes.
for Ex:- <h1 style="background-color:red";>MY WEBSITE </h1>
So the background of h1 will become red.
Explanation:
It's placed near the door. When a visitor presses the button, the bell rings inside alerting you that someone is at the door.
Answer:
Windows button = You can see a Start Menu
Task view = You can view your Tasks
Search Box = You can search any app you want in an instance
Answer:
Purposes of Data Layer, in the Layered model for web applications are as following:-
1. The data Layer,is the third layer and it takes care of the all the operations concerning the database level.
2. This data layer gets a command from the application layer to send a query to the database and will process this command according to the type of database that is used.
3. It will ensure that the correct connections to the database are set.
4. It is represented by the Database.
