Flashcards
Networking: Key knowledge you need to know Flash cards
Cards in this deck (27)
- 1What is a LAN?LAN is a local area network that covers a small geographical area on a single site and allows several devices to be connected
on a wifi or cable. - 2What is a WAN?WAN is Wide Area Network that connects LANs to each other so that they can access each other however they are much more expensive. WANs can be connected by sat alight telephone lines or radio links the internet is the biggest WAN
- 33 Advantages of using a LAN is?Sharing devices such as printers saves money. They are a much cheaper option to use Files can easily be shared between users. Network users can communicate by email and instant messenger. Security is good and users cannot see other users files.
- 42 pieces of hardware used to connect to LAN?A NIC Network interface card is a internal piece of hard ware that allows this to connect to a network and a router that is responsible for transmitting data between networks also you need a switch to connect devices on a LAN
- 5What is good about a client server network?Easier to perform backups,easier to keep track of files,easier to install and update software,servers are more reliable and are always on and it is easier to manage network security
- 6What is virtual memory?Virtual memory is a paging file is an area on the hard disk that windows uses as if it were RAM.
- 7What is flash memory?a kind of memory that retains data in the absence of a power supply.
- 8What is secondary storage?Secondary storage is storage devices that are not constantly accessible by a computer system. Examples are hard drives, portable flash drives, CDs, and DVDs.
- 9What is disk defragmentation?Disk Defragmenter is a utility in Microsoft Windows designed to increase access speed by rearranging files stored on a disk to occupy storage locations
- 10What is disk formatting?Disk formatting is the process of preparing a device such as a hard disk drive, solid-state drive, floppy disk or USB flash drive
- 11How can sound be sampled?To create digital music that sounds close to the real thing you need to look at the analogue sound waves and try to represent them digitally. This requires you to try to replicate the analogue waves as discrete values.
- 12Describe what is meant by a star topology?A star topology is a Local Area Network (LAN) which all nodes are individually connected to a central connection point, like a hub or a switch.
- 13Describe DAFAB( Disaster recovery, archiving, fail over, acceptable use policy, back ups?)They are methods of making your system more resilient and to help protect your data fro several things.
- 14Whats the base of hexadecimal?16 base because it goes 0,1,2,3,4,5,6,7,8,9,a=10,b=11,c=12,d=13,e=14,f=15.
- 15What are some functions of a operating system? HINT: MUMPSProvides a graphical user interface between the user and the computer. Provides a platform to run software. Manages memory. Manages the use of different peripherals.
- 16What are some of the utility programs that are need on a computer?Automatic updates,system cleanup,antivirus,firewall,disk defragmenenter,disk formatting,diagnosis utility.
- 17What is 107 in binary?01111100 beacuse
64+32+16+8+4=107. - 18Convert the hexadecimal number c8 into denary?Answer is 20 beacuse C is 12 and +8 =20.
- 19Differences between high level code and machine code is?Machine code is writen in binary is very hard for humans to understand fluently,Is hard to spot a mistake,and can be used by a processor however high level code is easy to learn easy to understand and spot mistakes but can not be processed by a processor.
- 20Is ram volatile or non volatile?It is volatile.
- 21Is a hard drive volatile or non volatile?it is non volatile.
- 22What security is used for networking?FEPPU
Firewall
Encryption
Passwords
Physical
User access levels. - 23What base is denary?it is ten base.
- 24What base is binary?it is two base.
- 25What types of software are there?POCO
Proprietary and open source
Custom written and off the self software. - 26What is DICE stand for as part of a IDE?Debugger
edditor
compiler
interpreter. - 27What 5 factors should you think about when choosing secondary storageCapacity
Durability
Portability
Data transfer speed
Cost effective
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- Revison notes Flashcards on Networking: Key knowledge you need to know Flash cards, created by Harvey Warren on 29/11/2016.
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