Answer:
su ,sg and sudo command.
Explanation:
Whenever the user needs to enable workgroup mates should use fdisk including just that disk on both the /dev / sda disk, using the following command to update and configure the following packages. Thus he uses the command su, sg, and sudo.
So, the following commands are required according to the following statement.
Answer:
D) use SQL or graphical tools to query the database
Explanation:
To query the database using SQL or graphical tools will help Howie to retrieve bulk of records from the database according to his requirements and it will help to understand and work with the data in a better way than using the data in raw form.
SQL is a language of database used to manipulate and manage the data in the relational database and to query the database.
It is an easy and faster way to query using SQL or graphical tools because no coding is required here.
Different graphical tools are used to present the data in the database in a way that can be easily understood by a person. Different interfaces are provided to visualize the database tables or schema diagrammatically e.g in the form of graphs etc. Different views of the database can be provided to different users according to their requirement and what information they required to be presented.
Answer:
Some computer experts create computer viruses to prove certain a process will work
Explanation:
Answer:
dynamic
Explanation:
A dynamic web page serves out varied material to various visitors while keeping the same layout and appearance. These pages, which are often built in AJAX, ASP, or ASP.NET, require longer to render than plain static sites. They are commonly used to display data that updates regularly, such as weather forecast or market prices.
Dynamic web pages often incorporate software applications for various services and need server-side resources such as databases. A database enables the page builder to divide the design of the website from the content that will be presented to users. When they post material to the database, the website retrieves it in response to a user request.
Answer:
3.WDM
Explanation:
WDM ( wavelength division multiplexing ) involves signals composed of light beams WDM is used in communication where fibers are used it is used for multiplexing of number of carrier signals which are made of optical fibers by using different wavelength of laser light it has different wavelength so this WDM is used for signals composed of light beams it has property of multiplexing of signal
