COSC203 - PART || Flashcards
Another name for chunks of data that are forwarded within the network
Packets
The term for the transmission rate that a communication link provides
Bandwidth
A _____ is a collection of devices, routers and links that are managed by an organisation.
network
Internet is the network of _______
networks
This sits at the network edge
The host
The host is responsible for _____ data and ______ data.
Sending, receiving
When the host sends data, the ______ is broken into smaller chunks known as packets
Application message
How does the host perform the receive function?
The host will reassemble packets to generate the application message.
Why are the send/receive functions done in chunks?
The network would be overloaded, too large of a request
The two wires in the twisted pair cable represent what?
One carries signal, and the other is used as a ground reference.
What is an advantage of an STP over a UTP?
STP provides protection for interference
Why are the cables twisted for wired links?
Twisting ensures the noise interference is uniformly distributed.
What is the maximum distance for a wired link?
Less than 100 meters.
A _____ cable is a central core inner conductor
coaxial
A coaxial cable provides what?
Long distance at a high speed
Fibre optic cables are _____ speed and a ____ error rate.
high, low
WiFi, bluetooth, and satellite are all types of ____ links
Wireless links
The entire packet must arrive at the router before it can be transmitted on the next link. This is an example of….
Storing and forwarding.
When work arrives faster than it can be serviced, this is an example of….
Packet queueing
The network forwards packets from one router to the next, across links on a path from ______ to ______
source, destination
This type of switching is end-to-end, and resources cannot be reservred.
Circuit switching
T/F: No single institution owns the internet
True
The internet is many ____ together
subnets
ISP stands for…
Internet Service Provider
If ISPS aren’t ____ then you can’t ______
connected, communicate
This network has national and international coverage
Tier-1 commercial ISPs
This type of network is private and connects its data centres to the internet
Content provider networks
This protocol establishes rules that dictate how to format, transmit and receive data so that the network devices can communicate
Network protcol
Network protocols define a ______ for data, so that the receiver can understand what is in the packet
format
An ____ structure allows for identification of the system’s pieces
explicit