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WorksheetsCS1 Systems & Networks Review
Total questions: 28
Worksheet time: 14mins
A widely agreed upon set of rules that standardize communication between machines
Networks
Protocol
Bandwidth
HTTP
A protocol that standardizes the language for talking to web servers to send and receive web pages, or HyperText information (HTML pages).
HTTP
Redundancy
IP
Birate
When multiple paths exist between two points. This improves reliability and makes the internet fault tolerable. Makes the routing system scalable.
Redundancy
DNS
Fiber Optic Cables
Latency
The process of sending data between two computers on the internet. The data is sent through routers that determine the path.
ip
Fiber Optic Cables
Routing
Networks
The capacity of data transfer in a system. Measured by bitrate.
Redundancy
Bandwidth
Internet Protocol
(ip)
DNS
(Domain Name System)
_______ are the units of data that are sent over the network.
Packets
ip
Networks
Internet
is a group of computers connected
together.
Network
Netbreak
Internet
Networth
Data packets follow along ________________ to get to the end destination.
Paths
Highways
Routes
Lines
Bandwidth refers to
*transmission capacity measured by bit rate
the time it takes for info to travel
the shape of the cables
the size of the network
URL
American Standard Code for Information Interchange; the universally recognized raw text format that any computer can understand
An easy-to-remember address for calling a web page (like www.code.org).
The principle that all Internet traffic should be treated equally by Internet Service Providers.
Small chunks of information that have been carefully formed from larger chunks of information.
What is a computing system?
A way to connect devices to share data
Web pages that can be shared globally
At least two connected computing devices.
A set of passwords needed to access other computers
What is the World Wide Web?
A collection of wires and cables to connect devices
Another name for the Internet
An application that runs on the internet that is a repository for documents
A browser that stores documents for use
Which of the following is true about packets?
Packets leave and arrive at their destination at the same time.
Packets travel along different paths to their destination.
Every router decrypts the packets to confirm their destination.
If a packet does not arrive at the destination the entire message is resent.
How is the Internet scalable?
Through the ability for additional networks and routers to be added without impacting service.
Through the ability of add longer public keys to keep data secure
Through the ability to add additional authentication for users.
Through the ability to add additional latency to reqests
How many paths (lines) connect A to B?
1
2
3
4
5
Device C is attempting to send data over the Internet to Device G. Which of the following is true of how the data will travel through the network?
data always takes the shortest path
data will not travel through E
any path is possible
Which of the following is true about how the packets will arrive at a computer?
sent/received in same order
all reach computer or none reach it
may arrive out of order
packets out of order are sent back to server
What is a computing device?
A. a physical
object that can run a program, such as
computers, tablets, cell phones, and
smart sensors.
C. A type of computing system
D. laptops and desktops only
What is a computing network?
A. When you airprint to your home printer from your laptop
B. phones and routers
D. an
interconnected computing system
that is capable of sending or
receiving data.
What is the cloud in computer science?
Sky storage for your passwords
a data storage site on the internet
based on the service provider
A place to add more paths for data transfer
A device used to store data
