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Worksheet: Accessing the internet | IGCSE Cambridge Computing for Year 6 - Class 6 PDF Download

Multiple Choice Questions (MCQs):

Q1: Which of the following wireless transmission methods typically has the highest bandwidth?

A: Wi-Fi

B: Bluetooth

C: Cellular Data (4G)

D: Cellular Data (5G)

Ans: A

Wi-Fi is capable of transmitting data at speeds up to 1.6 Gbps, making it the highest bandwidth option among the given choices.


Q2: What is the purpose of a URL?

A: To identify devices on a network

B: To locate files on a web server

C: To encrypt data during transmission

D: To connect to a Wi-Fi network

Ans: B

URLs (Uniform Resource Locators) are used to locate files on web servers, allowing users to access web pages, stream videos, or use messaging services.


Q3: Which protocol is used to secure data transmission between a web browser and a web server?

A: HTTP

B: HTTPS

C: SSL

D: IP

Ans: B

HTTPS (Hypertext Transfer Protocol Secure) is the protocol that ensures all communication between a web browser and a website is encrypted, providing a secure connection.


Q4: What is the role of DNS in accessing web pages?

A: To encrypt data during transmission

B: To translate domain names into IP addresses

C: To identify secure websites

D: To establish a wireless connection

Ans: B

The Domain Name System (DNS) acts as a directory that links domain names to IP addresses, allowing users to access web pages by entering memorable domain names instead of numerical IP addresses.


Q5: Which of the following is a basic encryption technique where letters in the plaintext are shifted a certain number of places down the alphabet?

A: Substitution Cipher

B: Caesar Cipher

C: SSL

D: Parity Check

Ans: B

The Caesar Cipher is a basic encryption technique where each letter in the plaintext is shifted a certain number of places down the alphabet.


Fill in the Blanks:

Q1: ____________ is the process of encoding messages or information in a way that only authorized parties can access it.

Ans: Encryption

Q2: A(n) ____________ is a collection of web pages and their content maintained by search engines.

Ans: Database

Q3: The padlock icon in the address bar indicates that the web page has a(n) ____________ certificate, signifying a secure connection.

Ans: SSL

Q4: ____________ is a field dedicated to improving the visibility of websites within search engine rankings.

Ans: Search Engine Optimization (SEO)

Q5: ____________ image search allows users to initiate searches by uploading an image to find related content or similar images online.

Ans: Reverse


True/False:

Q1: Bluetooth typically has a longer transmission range compared to Wi-Fi.

Ans: False

Wi-Fi has a longer transmission range, with a typical indoor range of approximately 30 meters, while Bluetooth's range is limited to around 40 meters indoors.


Q2: The top-level domain (TLD) in a URL indicates the type of organization or country associated with the website.

Ans: True

The TLD, such as .com, .net, or .in, represents the type of organization or country associated with the website.


Q3: SSL certificates are used to secure data transmission between a web browser and a web server.

Ans: True

SSL (Secure Sockets Layer) certificates are used to encrypt data transmitted between a web browser and a web server, ensuring a secure connection.


Q4: Search engines can only understand text-based queries and cannot process image-based searches.

Ans: False

Advancements in AI have enabled search engines to offer image-based searching, also known as reverse image search, where users can upload an image to find related content or similar images online.


Q5: Encryption algorithms are used to both encrypt and decrypt data during transmission.

Ans: True

Encryption algorithms are used to encrypt data before transmission and decrypt the data once it reaches the intended recipient, ensuring secure communication.


Match the Following:

Worksheet: Accessing the internet | IGCSE Cambridge Computing for Year 6 - Class 6

Answer: 1 - b, 2 - a, 3 - c, 4 - d, 5 - e

The document Worksheet: Accessing the internet | IGCSE Cambridge Computing for Year 6 - Class 6 is a part of the Class 6 Course IGCSE Cambridge Computing for Year 6.
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