1.3 Computer networks, connections and protocols

Question 1

What is the primary connection method used in a PAN (JB)

Answer 1

Bluetooth

Question 2

What is the most commonly used WAN? (DV)

Answer 2

Internet

Question 3

What is the name of the cable you plug in to connect to the internet? (EC)

Answer 3

An Ethernet Cable

Question 4

What are 2 methods to connect to a LAN?(GO)

Answer 4

Wired and wireless

Question 5

(JE) What is a PAN network?

Answer 5

PAN is a network communicating up to 10 metres between computing devices such as laptops, mobile phones, tablets, media players, speakers and printers.

Question 6

(WR) How do you connect devices in your home?

Answer 6

Local Area Network (LAN)

Question 7

which type of network is used to connect a large area of devices? BA

Answer 7

WAN

Question 8

Name the 3 types of networks? (S,F)

Answer 8

Personal Area Network (PAN), Local Area Network (LAN) & Wide Area Network (WAN)

Question 9

What is the biggest WAN known as? (WB)

Answer 9

The Internet

Question 10

(TA) what is this type network: two or more network enabled devices in a close geographical area

Answer 10

LAN

Question 11

(DP) How far can a PAN stretch?

Answer 11

Up to 10 meters.

Question 12

What is used to connect devices in a PAN

Answer 12

Bluetooth

Question 13

what is a Lan used for (AH)

Answer 13

a lan is used for small buildings

Question 14

(GF) What is used to connect LAN networks

Answer 14

a WAN

Question 15

(JE) If your phone is connected to a speaker what network are you using?

Answer 15

PAN

Question 16

What is the best definition of network (TM)?

Answer 16

Two or more computers - or other electronic devices - that are connected together for the purpose of communication

Question 17

What is the type of network you would use to a printer (GO)

Answer 17

LAN

Question 18

What type of network is the internet (GO)

Answer 18

WAN

Question 19

(GF)What is the difference between a LAN and a WAN

Answer 19

A LAN connects devices over small areas but a WAN connects multiple LANs

Question 20

AimeeH)what does a router do

Answer 20

a router is used to create a path outside of the network

Question 21

JE What does a Wireless access point (WAP) do?

Answer 21

It wirelessly gives internet to devices that can’t be connected by cable

Question 22

What is a MAC address written in? (DV)

Answer 22

Hexadecimal

Question 23

(WR)What does WAN stand for?

Answer 23

wide area Network

Question 24

(GF)What does an NIC allow

Answer 24

for data to travel in and out of the network between devices

Question 25

What does a switch try to avoid? (S,F)

Answer 25

Data collision

Question 26

DP

Question 27

TA what network hardware is this: provides access out of the network

Answer 27

router

Question 28

(H.P)How is a WAP limited

Question 29

(GO) How fast can data be sent through a fibre optic cable

Answer 29

10 gbps / 10000 mbps

Question 30

(WB) What does a NIC (Network Interface Card) allow you to do?

Answer 30

Connect to a network

Question 31

(ED) What is NIC short for

Answer 31

Network interface card

Question 32

(JD) what does a switch do?

Answer 32

connects all devices together

Question 33

what does the WAP do?BA

Answer 33

connects devices wirelessly

Question 34

(H.P) How long can a fiber optic cable before losing its effectivity?

Question 35

(GO)

Question 36

what does a NIC do?BA

Answer 36

provides a device connection to the network

Question 37

what is the difference between a client and peer to peer server?

Answer 37

a client server is controlled by a centeral device where all of the data is stored whereas a peer-peer is an agreement between devices when all data is stored locally to the device it belongs to.

Question 38

(J.E) What is the full name of HTTPS?

Answer 38

Hypertext transfer protocol secure

Question 39

which protocol controls how messages a formatted ?BA

Answer 39

TCP

Question 40

what are the three protocols that deal with emails?ba

Answer 40

POP, SMTP, IMAP

Question 41

(J.E) What is the function of IMAP?

Answer 41

A copy or the original email will remain on the server so multiple devices can view it

Question 42

What cable is made out of glass and sometimes plastic?

Answer 42

Fibre Optic

Question 43

what does POP stand for?ba

Answer 43

post office protocol

Question 44

(J.E) What is bandwidth?

Answer 44

The more data packets that can be transmitted at one time

Question 45

what numbering system does IPv4 use?ba

Answer 45

Binary

Question 46

what numbering system does IPv6 use?ba

Answer 46

hexadecimal

Question 47

(EC) What does IP address stand for?

Answer 47

Internet Protocol address

Question 48

what is latency?ba

Answer 48

the time it takes for data to reach its destination from its sender

Question 49

what does IMAP stand for?ba

Answer 49

internet message access protocol

Question 50

(EC) What does FTP stand for ?

Answer 50

File transfer protocol

Question 51

(J.E) What is Caesar cipher?

Answer 51

A simple encryption algorithm is the caesar cipher. The key is a number, which represents an offset. Each character in the plaintext is replaced by the corresponding letter (if the key is -5 J is replaced by E)

Question 52

What is the most secure encryption method we have learnt? (DV)

Answer 52

Asymmetric Encryption

Question 53

GO what does smtp stand for

Answer 53

simple mail transfer protocol

Question 54

what is error rate?ba

Answer 54

the reliablity of the connection, the amount of errors that occur

Question 55

(J.E) What is the difference between a LAN and WAN?

Answer 55

Lan is for only a small area and a Wan is for long distances

Question 56

what is a fiber optic cable made out of?ba

Answer 56

thin strands of glass

Question 57

(EC) What is encryption used for?

Answer 57

Encryption is used for hiding/cloaking your data but can only be undertsood by using a certain key

Question 58

GO what does the s in https stand for

Answer 58

secure