WorksheetsONLTST2CDDE
Total questions: 23
Worksheet time: 13mins
Data encryption is used by WhatsApp, and secure websites like Amazon and banks. Encryption ensures that the data is ________ and unreadable while it travels across the Internet.
private
visible
Data that is sent over the Internet is made secure using what >
Description
Encryption
Email protocols are SMTP (Simple Mail Transfer Protocol) for sending emails,
POP3 (Post Office Protocol version 3) and IMAP (Internet Message Access Protocol) for receiving emails
Which one is for sending emails?
SMTP
POP
IMAP
Email protocols are SMTP (Simple Mail Transfer Protocol) for sending emails,
POP3 (Post Office Protocol version 3) and IMAP (Internet Message Access Protocol) for receiving emails
Which ones can be used to retriev / receive emails?
SMTP
POP
IMAP
IMAP (Internet Message Access Protocol) and POP (Post Office Protocol) are both email protocols that retrieve messages from a mail server. The main difference is that IMAP keeps messages on the server, while POP downloads messages to a single device
Which one is modern email retreival protocol and can retrieve emails on any device the user logs on to access email?
POP
IMAP
An ISP (Internet Service Provider) is the company that provides internet access to users, while a POP (Point of Presence) is a physical location where users connect to their ISP's network. POP is owned by an ISP. Which statements are true>
POP stands for Point of Presence)
POP connects with a NAP but POP is owned by ISP
We connect to ISPs POP
An ISP (Internet Service Provider) is the company that provides internet access to users, while a POP (Point of Presence) is a physical location where users connect to their ISP's network, and a NAP (Network Access Point) is a central hub where different ISPs connect to exchange data and connect to Internet.
What is true regarding a NAP?
NAP stands for NETWORK ACCESS POINT
ISPs connect to a NAP to access the Internet
A ________ is a software component that compresses and decompresses digital data, like videos, audio, or images. The word "codec" is a combination of the words "coder" and "decoder
a kodek
A CODEC
A codec COMPRESSOR or decompresses media files such as songs or videos. Windows Media Player and other apps use codecs to play and create media files. A codec can consist of two parts: an encoder that compresses the media file (encoding) and a_______ that decompresses the file (decoding).
DECODER
DEMOTER
Codecs are necessary because they allow for the __________ of digital media files like videos and audio, significantly reducing their size
depression
compression
transmission
Small files sizes can be achieved due to compression whilst using a codec (compresson/decompression). What are benefits of having smalll file sizes?
they can be stored more efficiently on local storage eg USB, allows more storage space because the file sizes are smaller
they can be transmitted over networks like the internet with minimal bandwidth/data usage
they enabling smooth playback on various devices without excessive loading times
they allow streaming of high-quality content without sacrificing storage space or download speeds eg Youtube uses streaming using a codec
A codec consists of an encoder that compresses data (making the file smaller) and a ______ that decompresses it when file loads for playback.
modem
a decongestant
a decoder
TCP/IP stands for Transmission Control Protocol/Internet Protocol. It's a set of communication protocols that allow data ________ between devices on a network and the internet
linking
destruction
communication
The purpose of TCP (Transmission Control Protocol) is to ensure _________data transmission between devices on a network. They make a connection, break the data to be sent in to data packets, and ensure the data reaches the destination device. They ensure data is________ accurately and reliably.
reliable, corrupted
reliable, delivered
unreliable, deliverered
The job of the Internet Protocol (IP) is to identify senders and _______IP address and route packets of data across the network, hopping along router to router, until the destination device is reached. ________protocol then reassembles all packets at the destination device. TCP/IP work togther.
destination, IP
destination, TCP
TCP/IP protocol makes it possible for devices connected to the internet to_________with one another across networks.
disassociate
communicate
Hypertext Transfer Protocol (HTTP) is a protocol that allows web data to be communicated between browsers and web ________
beds
nets
servers
Load web pages: HTTP is used to load/bring web pages to the user browser by sending _______ to web servers for content like text, images, and videos which will be in the webpage the user has clicked _______.
SOS calls, on
messages, not
requests. on
HTTPS stands for Hypertext Transfer Protocol Secure. It's a_______ version of HTTP (Hypertext Transfer Protocol). It will _____ data so that the data is not readable along the way/and is kept private.
unsecure, encypt
secure. encrypt
HTTPS uses __________ to protect data transmitted between a user and a website.
description
encryption
HTTPS - secure http
Https - uses TLS to do the encryption
Transport Layer Security (TLS) is a security protocol that encrypts data sent over the internet
What is TLS?
Tango Layer Security (TLS)
Transport Laid Security (TLS)
Transport Lying Security (TLS)
Transport Layer Security (TLS)
HTML is the web page coding language used to create a webpage. It is used to structure and add content to a web page. What does HTML stand for?
Hippo Text Markup Language)
Hyper Text Markup Language)
Honey Text Markup Language
HTML (HyperText _______Language) is the code language for building web pages
Meltup
Manup
Markup
