2. Network Interface Card
Each computer must have a NIC and some way of
interconnecting the computers – cabling or wireless.
Fit into PC Card slot
Each card has a physical MAC address
What does MAC stand for?
What is the MAC address needed for?
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3. Cables
UTP or STP What do these 2 sets of
initials stand for? –
Describe this type of cable
What helps stop interference in this cable?
Is this cable flexible? Is it priced highly or
cheaply?
Fibre Optic –Describe the inside of this
cable - What are its advantages and
disadvantages?
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4. Microwave/Satellite
Used for short or long distance
communication?
Microwave
transfers signals between?
Name 2 types of technology that use
microwaves
How are microwaves transferred over
greater distances?
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5. Hubs
Connect a number of computers together-usually
star topology.
Passive-limited number of connections(How
many?), Is the data signal boosted or not? How far
can signal travel without fading?
Active-large number of connections(How many?), Is
the data signal boosted or not? .
The hub takes the signal sent from each computer,
amplifies it and transmits it to the particular address
on the data packet or to all computers attached to
the hub? – Inteligent or not?
A socket can be used to connect the hub to another ?,
which?.
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6. Switches
Switches look like hubs, they connect a number of
computers together but they are ?
How do they deliver data to right computer?
More expensive than hubs
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7. Routers
Carry out similar tasks to bridges but they do it
differently.
They inspect each packet, extract destination address,
and use this to route the packet from one LAN to
another.
HOW do they find the best route to destinations?
They connect networks at the network level of the OSI
model.
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8. Modems
Modem sends and receives data through
telephone line. Give two words which
mean changing sound signal into binary
signals.
ADSL Expand these initials to full name
ISDN Expand these initials to full name
Explain the 2 terms above a little.
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9. Digital and Analogue Lines
Analogue lines – telephone lines –
transferring what type of signal?
Digital Lines – (e.g. ISDN) transfer what
type of signal?
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10. Leased/ dedicated lines
Leased (Give another word for leased) line
– used for connecting computer networks
over large distances or short distances.
Called a dedicated line – what does this
mean?
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11. Workstation and Peripherals
Workstation –with modest specifications to
connect to network. What 4 pieces of
equipment make up a workstation?
Peripherals - electronic equipment
connected by cable to the CPU of a
computer – e.g. printer, speakers,
microphone, joystick Choose 5 and
explain a little.
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12. Servers
Server-What is a server?
Several types of server on a network
Print server provides?
File server – provides ?
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13. Uninterruptible Power Supply
Networks may needed 24/7
A server will sense when power is ?–
change quickly to UPS ( e.g. give an
example)
What other form of power is used to keep
a server running?
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