Conectivity

Página 1

Page 20) A) The benifits of using a wireless network in the home is freedom of moving around the house staying connected; genrally cheaper only the cost of the router to set up a wirless network (and a modem to connect to the internet) and you dont need specialists to set up the wireless network.

B) A wireless router.

Page 21) A) Filter by MAC( Media access control) address and stopping the router broadcasting the ssid(sevice set identifier).

B)It is important to secure a wirless network because its secure your data and if people are using your unsercure network it reduce the avalible bandwidth (contention ration).

Page 22) A) USB lead( interface lead) plug the camera directly into the netbook to transfer the images or use the memory card from the camera to pug directly in to the netbook>

B) use bluetooth to upload the image using his mobile data conection( 3g/4g) or set up a hotspot from his mobile phone to upload the images from the netbook.

Page 23) It jed is playing BBc iplayer in Hd he would need a high bandwith as large amounts of data will need to pass to his computer in order for him to watch his programme without buffering.

Page 24) the benifits of using wifi over 3g is speed, avalible bandwidth, cost.

Page 25) Wifi direct may replace bluetooth because the range is greater and there is less restricrtions on bandeith.

Page 26) POP will download the email to the device and can be read offline whereas IMAP is read on the mail server.

Page 27) HTTP

Page 28) A) Preventing trusion by securing the network.

B)When encrypted, if data is intecepted by somebody that they will not be able to decrypt it.

Page 29) A) physical controls that prevent unauthorised people from entering a computer network is chains and locks, issue swip cards , fit blinds so people cant see in.

B) Finger print, voice, or retinal scan.