LAN technology

Question 1

network protocols and standards

Answer 1

• range of protocols that can be used on a specific type of network is known as a protocol suite
• common protocol suite is the TCP/IP suite that is used on the internet and LANS

Question 2

The main protocols of the TCP/IP suite are?

Answer 2

TCP/IP
AppleTalk
UDP (user datagram protocol)

Question 3

what do the main TCP/IP suite protocols do?

Answer 3

TCP/IP - for LANS and the internet

AppleTalk- older protocol suite that has been superseded by the TCP/IP suite

UDP- used for connectionless systems that transfer data. apart of the TCP/IP suite, connectionless system where packets of data are not acknowledged.

Question 4

Range of standards are associated with diff network types;

Answer 4

802.2, 802.3, 802.5, 802.11, FDDI

Question 5

802.2 standard explain

Answer 5

• specifies multiplexing and flow control that takes place at layer 2 of OSI model

Question 6

802.3 standard explain

Answer 6

• specifies physical layer (1) of wired ethernet LANS

Question 7

802.5 standard explain

Answer 7

• supports token ring networks

Question 8

802.11 standard explain

Answer 8

• supports wireless LANS

Question 9

FDDI standard explain

Answer 9

• standard for data transmission on the fibre optic LANS

Question 10

application layer protocols;

Answer 10

DNS, HTTP, FTP

Question 11

explain DNS

Answer 11

• domain name server
• resolves a name to an IP address

Question 12

explain HTTP

Answer 12

• protocol used for retrieving linked resources on the internet (PAN)

Question 13

explain FTP

Answer 13

• file transfer protocol
• used to transfer files over a TCP network (PAN)