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What is difference between logical file and physical file?
* Physical file (PF) contains the data and have only one record format. Logical file (LF) is a view of the physical file which does not contain any data may be based on one physical file or more then one physical file. Logical file can have more then one record format. Logical can be non join or join logical file. Performance becomes better if you use the logical file in the program.
What is logical file?
Logical file is a type of file that provides a view of the data stored into the Physical file. It does not contain data. A logical file contains only an index to the data stored into the physical file.
What is the similarities between logical file and physical file?
three similarities is that physical file deals with does file that a
What are the physical differences between the hard disk drive of a Linux system versus that of a Windows system?
Hard disks are same the file systems have many diferences !
What is the Logical drive and physical drive?
* Physical file (PF) contains the data and have only one record format. Logical file (LF) is a view of the physical file which does not contain any data may be based on one physical file or more then one physical file. Logical file can have more then one record format. Logical can be non join or join logical file. Performance becomes better if you use the logical file in the program.
How a file is protected?
By creating a ZIP archive from them with a password. That is - by making logical from physical...
What is vmkfstools commonly used for?
Vmkfstools is a software program most commonly used to create and manipulate virtual disks. It can also be used to manage file systems, logical volumes, and physical storage devices.
What separates the physical aspects of data storage from the logical aspects of data representation?
A schema separates the physical aspect of data storagefrom the logical aspects of data representation.
How do you measure the primary and logical partitions in Linux?
You can measure the free space and total space of all mounted file systems using the df command.
What is a logical network designtopology?
Also called signal topology. Every LAN has a topology, or the way that the devices on a network are arranged and how they communicate with each other. The way that the workstations are connected to the network through the actual cables that transmit data -- the physical structure of the network -- is called the physical topology. The logical topology, in contrast, is the way that the signals act on the network media, or the way that the data passes through the network from one device to the next without regard to the physical interconnection of the devices. Logical topologies are bound to the network protocols that direct how the data moves across a network. The Ethernet protocol is a common logical bus topology protocol. LocalTalk is a common logical bus or star topology protocol. IBM's Token Ring is a common logical ring topology protocol. A network's logical topology is not necessarily the same as its physical topology. For example, twisted pair Ethernet is a logical bus topology in a physical star topology layout. While IBM's Token Ring is a logical ring topology, it is physically set up in a star topology.
Why is data independence lacking in file systems?
Data independence is lacking in file systems because they often store data in a format that is tightly coupled with the applications that use it. This means that changing the structure or format of the data requires modifications to the applications, leading to a lack of flexibility and interoperability. In contrast, databases offer better data independence by separating the physical storage of data from the logical representation, allowing for easier modifications without impacting applications.
How do you save packet tracer file?
File -> Print -> Select Viewable Logical Topology -> Print to File...
