Computer Science Chapter 2 The Internet

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

Which term describes a network made up of computers and other electronic devices using TCP/IP communication protocols?

  • Internet (correct)
  • World Wide Web
  • Extranet
  • Intranet

What is the primary function of a web browser?

  • To connect to DNS to locate IP addresses and interpret web pages (correct)
  • To convert voice into digital packages
  • To provide internet access to users
  • To design and write web pages

Which of the following is the role of an Internet Service Provider (ISP)?

  • To design and write web pages
  • To manage domain names
  • To provide internet access to users, typically for a monthly fee (correct)
  • To provide the software needed to browse the internet

What does the acronym PSTN stand for?

<p>Public Switched Telephone Network (D)</p> Signup and view all the answers

Which protocol converts voice and webcam images into digital packages for transmission over the internet?

<p>VoIP (B)</p> Signup and view all the answers

What is the main function of Internet Protocol (IP)?

<p>To give addresses to devices connected to the internet (C)</p> Signup and view all the answers

Which IP address format uses 32 bits?

<p>IPv4 (B)</p> Signup and view all the answers

What does Classless Inter-Domain Routing (CIDR) primarily enhance?

<p>IPv4 flexibility (D)</p> Signup and view all the answers

What is the purpose of 'zero compression' in IPv6 addresses?

<p>To reduce the address length by replacing groups of zeroes (D)</p> Signup and view all the answers

What is subnetting?

<p>A way of dividing networks into smaller sub-networks. (B)</p> Signup and view all the answers

What is a private IP address used for?

<p>Internal network use behind a router (D)</p> Signup and view all the answers

Who allocates public IP addresses?

<p>The user's ISP (C)</p> Signup and view all the answers

What is the primary function of a Domain Name Service (DNS)?

<p>To give domain names for internet hosts and find IP addresses (D)</p> Signup and view all the answers

What is JavaScript primarily used for?

<p>To enhance HTML pages on the web (D)</p> Signup and view all the answers

What type of language is PHP?

<p>An HTML-embedded scripting language (C)</p> Signup and view all the answers

Which of the following best describes the World Wide Web (WWW)?

<p>A collection of multimedia web pages stored on websites. (C)</p> Signup and view all the answers

What is the role of HyperText Markup Language (HTML)?

<p>To design web pages and write protocols (D)</p> Signup and view all the answers

What does a Uniform Resource Locator (URL) specify?

<p>The location of a web page (C)</p> Signup and view all the answers

Which of the following is NOT a function of a web browser?

<p>Designing web pages (D)</p> Signup and view all the answers

Which scenario would necessitate the use of zero compression in an IPv6 address?

<p>When the address contains multiple groups of consecutive hexadecimal zeroes to shorten it. (D)</p> Signup and view all the answers

Which networking concept allows for the creation of smaller broadcast domains to improve network performance and security?

<p>Subnetting (A)</p> Signup and view all the answers

A company wants to ensure that its internal servers are not directly accessible from the public internet. Which type of IP address should be assigned to these servers?

<p>Private IP Address (B)</p> Signup and view all the answers

An organization is transitioning from IPv4 to IPv6. What is the primary motivation for this transition?

<p>To increase the number of available IP addresses (A)</p> Signup and view all the answers

Which of the following tasks is a primary responsibility of the Domain Name Service (DNS)?

<p>Translating domain names (e.g., <a href="http://www.example.com">www.example.com</a>) to IP addresses. (C)</p> Signup and view all the answers

A web developer wants to add interactive elements and dynamic content to a website. Which programming language would be most suitable for this purpose?

<p>JavaScript (C)</p> Signup and view all the answers

A company needs to develop a server-side application that interacts with a database and generates dynamic web content. Which scripting language would be most appropriate for this task?

<p>PHP (C)</p> Signup and view all the answers

What is the key distinction between IPv4 and IPv6 regarding address representation, and what implications does this difference have for network scalability?

<p>IPv4 uses 32-bit addresses, while IPv6 uses 128-bit addresses, enhancing IPv6 scalability. (D)</p> Signup and view all the answers

A network administrator discovers that an IPv6 address contains a long sequence of zeroes. Applying 'zero compression' could lead to ambiguity if:

<p>The compression is applied more than once within the same address. (B)</p> Signup and view all the answers

A network engineer needs to divide a large network into smaller, more manageable segments. What is the primary benefit of implementing subnetting in this scenario?

<p>Reducing the size of broadcast domains, improving network performance. (A)</p> Signup and view all the answers

A web developer has created a website with multiple HTML pages, styled using CSS. To add dynamic, client-side functionality, which technology should the developer incorporate?

<p>JavaScript (A)</p> Signup and view all the answers

Which of the following technologies is most closely associated with converting voice and video data into digital packets for transmission over the internet?

<p>Voice over Internet Protocol (VoIP) (A)</p> Signup and view all the answers

A company is experiencing a shortage of IPv4 addresses and is considering implementing a solution that allows multiple devices on the private network to share a single public IP address. Which technology would be most suitable for this scenario?

<p>Network Address Translation (NAT) (C)</p> Signup and view all the answers

Which of the following situations would most likely require the use of a Public Switched Telephone Network (PSTN)?

<p>Sending a fax from a traditional fax machine. (D)</p> Signup and view all the answers

In the context of internet technologies, what is the primary function of an Internet Service Provider (ISP)?

<p>To provide end-users with access to the internet. (B)</p> Signup and view all the answers

Assume you are tasked with designing a system to dynamically render content on a web page based on user interactions without requiring a page reload. Which combination of technologies would be most appropriate to achieve this?

<p>JavaScript and HTML DOM. (A)</p> Signup and view all the answers

Imagine you're configuring a network with both IPv4 and IPv6 addresses. Given the address 2001:0db8:85a3:0000:0000:8a2e:0370:7334, what is the most compressed, yet unambiguous, representation of this IPv6 address?

<p>2001:db8:85a3::8a2e:370:7334 (C)</p> Signup and view all the answers

A network engineer needs to configure a router to allow internal users to access websites on the internet while preventing direct inbound connections to internal servers. Which of the following technologies would best meet these requirements?

<p>Network Address Translation (NAT) (A)</p> Signup and view all the answers

Flashcards

Internet

Massive network of networks made of computers and other electronic devices, using TCP/IP communication protocols.

World Wide Web (WWW)

A collection of multimedia web pages stored on websites, using the internet to access information from servers and other computers.

HyperText Mark-up Language (HTML)

Language used to design web pages and write hypertext protocols.

Uniform Resource Locator (URL)

Specifies the location of a web page.

Signup and view all the flashcards

Web browser

Software that connects to DNS to locate IP addresses and interprets web pages for users.

Signup and view all the flashcards

Internet Service Provider (ISP)

A company that provides internet access to users.

Signup and view all the flashcards

Public Switched Telephone Network (PSTN)

A network is used by traditional telephones for calls and faxes.

Signup and view all the flashcards

Voice over Internet Protocol (VoIP)

Technology that converts voice and webcam images into digital packages for internet transmission.

Signup and view all the flashcards

Internet Protocol (IP)

Uses IPv4 or IPv6 to give addresses to devices connected to the internet.

Signup and view all the flashcards

IPv4

An IP address format which uses 32 bits.

Signup and view all the flashcards

Classless Inter-Domain Routing (CIDR)

Increases IPv4 flexibility by adding a suffix to the IP address.

Signup and view all the flashcards

IPv6

Newer IP address format which uses 128 bits.

Signup and view all the flashcards

Zero compression

Reduces the length of an IPv6 address by replacing groups of zeroes with a double colon (::).

Signup and view all the flashcards

Sub-netting

The practice of dividing networks into two or more sub-networks.

Signup and view all the flashcards

Private IP Address

An IP address reserved for internal network use behind a router.

Signup and view all the flashcards

Public IP address

An IP address allocated by the user's ISP to identify the location of their device on the internet.

Signup and view all the flashcards

Domain Name Service (DNS)

Gives domain names for internet hosts and is a system for finding IP addresses of a domain name.

Signup and view all the flashcards

JavaScript

Object-oriented programming language used mainly on the web to enhance HTML pages.

Signup and view all the flashcards

PHP

Hypertext processor; an HTML-embedded scripting language used to write web pages.

Signup and view all the flashcards

Study Notes

  • Internet is a massive network of networks, made of computers and other electronic devices; it uses TCP/IP communication protocols
  • World Wide Web (WWW) refers to a collection of multimedia web pages stored on a website; it uses the internet to access information from servers and other computers
  • HyperText Mark-up Language (HTML) is used to design web pages and to write protocols
  • Uniform resource locator (URL) specifies the location of a web page, like www.hoddereducation.co.uk
  • Web browser is software that connects to DNS to locate IP addresses; it interprets web pages sent to a user's computer so that documents and multimedia can be read or watched/listened to
  • Internet service provider (ISP) is a company which allows a user to connect to the internet, for a monthly fee
  • Public switched telephone network (PSTN) is a network used by traditional telephones when making calls or when sending faxes
  • Voice over Internet Protocol (VoIP) converts voice and webcam images into digital packages to be sent over the internet
  • Internet protocol (IP) uses IPv4 or IPv6 to give addresses to devices connected to the internet
  • IPv4 is an IP address format which uses 32 bits, such as 200.21.100.6
  • Classless inter-domain routing (CIDR) increases IPv4 flexibility by adding a suffix to the IP address, such as 200.21.100.6/18
  • IPv6 is a newer IP address format which uses 128 bits, such as A8F0:7FFF:F0F1:F000:3DD0:256A:22FF:AA00
  • Zero compression reduces the length of an IPv6 address by replacing groups of zeroes by a double colon (::); it can only be applied once to an address to avoid ambiguity
  • Sub-netting divides networks into two or more sub-networks
  • Private IP address is an IP address reserved for internal network use behind a router
  • Public IP address is an IP address allocated by the user's ISP to identify the location of their device on the internet
  • Domain name service (DNS), also known as domain name system, gives domain names for internet hosts and is a system for finding IP addresses of a domain name
  • JavaScript is an object-oriented programming language used mainly on the web to enhance HTML pages
  • PHP is a hypertext processor, and an HTML-embedded scripting language used to write web pages

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Quiz Team

More Like This

The World Wide Web: Origins and Impact
12 questions
Historia de Internet y la WWW
5 questions
Use Quizgecko on...
Browser
Browser