002 Chapter 2

Multiple Choice

What is the purpose of the NIC (Network Interface Controller)?

• To enable network communication for a computer.

• To manage the computer's hardware components.
• To store data temporarily during processing.
• To provide power to the computer.

Multiple Choice

A Network Interface Controller assigns a device a MAC (Machine Access Code).

What is the purpose of the MAC?

• To uniquely identify devices on a network.
• To provide a physical address for routers.
• To manage the bandwidth of network connections.
• To encrypt data transmitted over the network.

Multiple Choice

What is transmission media?

• Transmission media refers to the speed of data processing.
• Transmission media are the connections used for data transmission.

• Transmission media are the devices used to store data.
• Transmission media are software protocols for data exchange.

Multiple Choice

Which of the following would convert data into radio waves to send it over a network?

• Network Interface Controller

• Fibre Optic Cable

• Ethernet Cable

• Transmission Media

Multiple Choice

This device can be used to connect nodes in a local area network

• Modem
• Access Point
• Network Cable
• Hub or Switch

Multiple Choice

This device only sends data to the correct device using it's MAC (Machine Access Code) address

• Switch
• Modem
• Hub
• Router

Multiple Choice

A router assigns an I.P. (Internet Protocol) address.

What is the purpose of the IP Address?

• To increase the speed of the internet connection.
• To encrypt data transmitted over the network.
• To provide internet access to all devices.
• An IP address identifies a network location globally
  (an Internet location)

Multiple Choice

A router is needed when connecting...

• a stand alone PC to a printer

• A device to a LAN

• multiple networks or devices
• a single network

Multiple Choice

The purpose of a network server is to

• provide services and resources to clients over a network

• provide internet access

• manage hardware components only
• store data

Multiple Choice

What is an advantage of having a server on a network?

• Files can be accessed from any node

• Higher risk of data loss.
• Limited user access to files.
• Increased hardware costs.

Multiple Choice

What is the primary function of a web browser?

• To create documents

• To browse the internet

• To send emails

• To edit photos

Multiple Choice

What are the features of a web browser?

• Speed

• Security

• Customization

• All of the above

Multiple Choice

How many bits are in an ipv4 address?

• 16

• 32

• 64

• 128

Multiple Choice

What is the first step in the flow to retrieve a web page?

• Access the server

• Enter the URL

• Receive HTML

• Connect to the internet

Multiple Choice

In PHP _________ is a packet of information sent from the server to client, and then sent back to the server each time it is accessed by the client.

• session
• profile
• database
• cookie

Multiple Choice

The formal name for a piece of info sent by a server to a browser that the browser software saves and sends back to the server.

• .txt file

• cookie

• packets

• bits

Multiple Choice

What are some usages of cookies?

• Hold user's preference

• Store items in online shopping cart

• Store login details

• Customise the web page for each individual user

Multiple Choice

What are the two types of cookies mentioned in the image?

• Session Cookies

• Persistent Cookies

• Temporary Cookies

• Secure Cookies

Multiple Choice

In PHP setcookie() the _____ data string defines the life time.

• time
• End time
• Expire
• Last time

Multiple Choice

In PHP cookies are sent from the server to the client via ________ headers.

• Get-Cookie
• Set-Cookie
• Sent-Cookie
• Request-Cookie

Multiple Choice

In PHP setcookie()the _____ definesdata stored in the file

• value
• time
• Expire
• data

Multiple Choice

What are session cookies and how do they function?

• They are permanent cookies stored on the computer

• They store information about browsing sessions

• They are deleted when the browser is closed

• They are used for tracking user behavior

Multiple Choice

What are persistent cookies used for?

• To remember users across visits

• To delete user data

• To track user location

• To speed up browsing

Multiple Choice

What is the correct order of the flow of how cookies are used?

• Web Server sends cookies file to user's browser

• Data are encrypted

• Encrypted data is stored on browser or the user's HDD/SSD

• When user revisits website, web server requests cookies file

• Browser sends cookies file to Web Server to automatically enter details

Open Ended

Describe how the web pages for the website are requested and displayed on a user's computer.

Multiple Select

Which of the following steps are involved in the process of a browser retrieving a web page? Select any four from the list below.

• Browser sends URL to DNS

• Browser sends request to web server/IP address

• Web server sends web pages back to browser

• Browser interprets/renders the HTML

Multiple Choice

What does DNS stand for in the context of domain names and hosting?

• a) Domain Naming System

• b) Domain Name Service

• c) Domain Network Server

• d) Domain Name System

Multiple Choice

What is the primary purpose of the Domain Name System (DNS) in networking?

• To assign IP addresses to devices

• To translate domain names into IP addresses

• To manage network traffic

• To encrypt data for secure transmission

Multiple Choice

What is the role of Internet Registrars?

• To provide internet access to users

• To manage the allocation of IP addresses and domain names

• To monitor internet traffic

• To develop internet protocols

Multiple Choice

In the DNS resolution process, what is the function of a recursive resolver?

• To store IP addresses permanently

• To query other DNS servers to resolve a domain name

• To directly translate domain names into IP addresses

• To manage domain name registrations

Open Ended

Describe the role of the browser.

Multiple Select

What are some features of a web browser?

• Allows user to bookmark/favourite web pages

• Records history of pages visited

• Manages HTTP/HTTPS protocol

• Allows files to be downloaded from website/internet

Multiple Choice

What are the two types of currency represented in the image?

• Digital Currency

• Physical Currency

• Cryptocurrency

• Fiat Currency

Multiple Choice

What is a cryptocurrency market?

• A stock market

• A market where you can buy and sell cryptocurrency

Multiple Choice

What is the definition of digital currency or cryptocurrency?

• A physical form of money

• A currency that exists in electronic form only

• A type of stock

• A form of barter

Multiple Choice

What are some examples of digital currency?

• PayPal

• Touch 'n Go eWallet

• Shopee Pay

• All of the above

Multiple Choice

Imagine Person A wants to transfer money to Person B. What steps would be involved in this transaction using a central banking system?

• Identify the banks involved

• Initiate the transfer

• Confirm the transaction

• All of the above

Multiple Choice

What role does a central bank play in the banking system?

• It acts as a middleman

• It provides loans to individuals

• It regulates interest rates

• It manages foreign exchange

Multiple Choice

What are the problems associated with centralisation as mentioned in the image?

• Confidentiality

• Security

• Both Confidentiality and Security

• None of the above

Multiple Choice

Một metaverse phi tập trung được kiểm soát bởi:

• Các người dùng của nó

• Một tổ chức trung ương

Multiple Choice

Management of the entire domain can be done with access to one database called as

• Decentralized Administration
• Centralized Administration
• Distributed Computing
• Remote Login

Multiple Choice

A decentralized metaverse is controlled by:

• Its own users

• A central organization

Multiple Choice

Your organization is evaluating several cybersecurity platforms that can centralize multiple security functions. Which feature should the platform have to ensure that all information can be viewed and managed from a single interface?

• Single Pane of Glass

• Distributed Denial of Service (DDoS) Protection

• Intrusion Prevention System (IPS)

• Secure Shell (SSH) Access

Multiple Choice

Why does cryptocurrency not have a problem with counterfeiting?

• People have more faith in cryptocurrencies than in fiat money

• Cryptocurrencies are tokens recorded on the blockchain

Poll

How confident do you feel about this topic now?

• Very confident
• Somewhat confident
• Not confident