Flashcards
my revision
Cards in this deck (21)
- 1Explain what is meant by a 'MAC address'A 48-bit address written as 12 hexadecimal digits. This is hard coded to a network interface card. Every network capable hardware device has a unique MAC address
- 2What is a disadvantage of a LAN?Purchasing the network cabling and file servers can be expensive.
- 3Which of the following is a web browser?Firefox
- 4Which of the following is a series of (32 bit or 128 bit) numbers used as an address for a node on the network.IP Address
- 5____________ are used in the place of IP address because they are easier to remember.Domain names
- 6________________ are private, secure networks within larger WANs such as the internet.Virtual networks
- 7Which protocol would you use to transfer hypertext?HTTP
- 8What is the purpose of the domain name system?The task of the Domain Name System is to translate a domain name such as www.google.com into the correct IP address for the server or service.
- 9The transport layer consists of ...protocols providing communications services for applications
- 10What is meant by a router?Devices that decide where data packets go. They are used all over the world. Their job is to take information that arrives through your broadband signal via modem, decipher it, and deliver it to your computer. Routers connect a network to the internet.
- 11What is meant by a wireless access point?Allows wireless devices to connect to a wired network using radio waves. They convert data received through cables into a wireless signal and vice versa.
- 12Every internet user needs an _____________ address.IP
- 13Define what is meant by a hub?Often referred to as not intelligent, because when it receives a message it transmits them to every computer on a network. This slows the network down.
- 14The application layer consists of ...Protocols that applications use to exchange data, and provides them access to other layers
- 15What is Hypertext used for?creating websites
- 16Define what is meant by a computer networkTwo or more computers connected together where they communicate and share files/resources like printers.
- 17What is meant by a 'bridge'?A device that connects two local area networks (LANs), or two segments of the same LAN together.
- 18An ISP provides access to the __________ infrastructure for the usersinternet
- 19Explain what is meant by a 'packet'.This term is related to transmitting data over networks.Rather than send a whole file the data is split into 'blocks' or 'packets' which are then sent separately to the destination computer.
- 20What is meant by a 'file server'?Stores user files, enabling access of files on any computer on a network. Shares files between network users.
- 21The network interface layer consists of ...Protocols to place and receive packets on and from network (any) and handles physical hardware address (MAC)
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- Flashcards on my revision, created by Joseph Cashford on 25/04/2018.
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