Translates URL's to IP addresses

What is the purpose of a URL?

So the user doesn't have to memorize the IP address

Why do computers need to recheck the DNS for IP addresses?

IP addresses are always changing for security

representing info with 2 options

What does IETF stand for?

Internet Engineering Task Force

Which of the following is true about routers...

The route a packet takes between routers cannot be predicted

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APCSP Unit 1

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Stuff about unit 1 from code.org

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Questions 18

Answers

1
what do the TCP, IP and routing rely on?
wires, cables and WIFI
HTTP and DNS
IEFT and ASCII
Abstraction
2
How many more values can be represented using 5 bits than 4 bits?
16
32
10
2
3
What is the DNS?
Transcribes ASCII to Binary
Translates URL's to IP addresses
System used to create binary
Translates IP addresses to to URL's
4
what is 101011
43
47
41
45
5
What is the purpose of a URL?
To avoid hackers
So the user doesn't have to memorize the IP address
To improve latency which improves performance
To avoid packets being dropped
6
What does HTTP stand for?
Heuristic Type Transfer Protocol
Heuristic Transmission Transfer Protocol
HyperText Transfer Protocol
HyperText Transition Program
7
Why do computers need to recheck the DNS for IP addresses?
To make sure it's doing okay.
Take up time while it processes
IP addresses are always changing for security
Because their storage gets filled
8
Pro of using electricity for sending data
totally mobile
its cheap!
no signal loss
the fastest
9
What is binary?
representing info with 2 options
2
language only computers understand
numbers
10
A set of rules governing the exchange or transmission of data between devices
Protocol
Innovation
Instructions
Abstraction
11
what is 38 in binary
100010
100110
100111
101010
12
Pick the Ideal Situation...
LOW latency and Low bit rate
HIGH latency and LOW bit rate
HIGH latency and HIGH bit rate
LOW latency and HIGH bit rate
13
What does the TCP do?
breaks codes for users
Breaks info into packets
constant support of DNS
Finds IP addresses
14
What does IETF stand for?
Internet Engineering Text Finder
IP Entering Task Force
Inner Engineering Text Force
Internet Engineering Task Force
15
Which of the following is true about routers...
The route a packet takes between routers cannot be predicted
The packet will always travel the shortest route
No packets can be lost/dropped on route
There's only 1 route taken every time from the same computer
16
what is the 'S' in HTTPS
Speed
Secure
Silence
Safety
17
How many values can be represented using 3 bytes?
16
2^24
2^24-1
8
18
Taylor uses a function that Mia created in her code.... this is an example of
Abstraction
Extraction
Trust
Redundancy

APCSP Unit 1 Flashcards | StudBud