Answer:
following are the OSI Layers
1.physical layer
2.datalink layer
3.network layer
4.transport layer
5.session layer
6.presentation layer
7.application layer
Explanation:
physical layer is used to transmit media,signal and binary information
datalink layer is used for physical addressing MAC and LLC
network layer is used for path determination and ip
transport layer is for end to end communication and reliability
session layer is for interhost communication
presentation layer is for data representation and encryption
application layer is network process to application
Answer:
A mouse.
Explanation:
An input device can be defined as any device that is typically used for sending data to a computer system.
Generally, all of the output and input device of a computer are known as peripheral (external) devices and they provide data (informations) to the end users in various formats such as video, audio, texts, images etc.
Since input devices are peripheral (external) devices, they can be connected to the computer system wirelessly or through a wired-connection (cable).
Some examples of peripheral (external) devices are monitor, speakers, keyboard, printer, scanner, projector, mouse, etc.
A mouse is an input device that is designed and used to select specific menu options, drag and drop options and to draw something on screen.
The item that you would most likely to keep in a database is a Payroll record. Payroll records are numbers and inputs/outputs of employees of a certain company. Numbers are easier to manipulate and easier to manage than statements, letters and addresses that are basically letters.
Answer:
No
Explanation:
Virtual and physical metrics have to be collected and analysed to look for allocation problems such as: VM sprawl, too many VMs, or improperly provisioned VMs are occurring.