CodeHS The Internet Practice Test – All Questions

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How governments and companies address the digital divide by expanding networks and infrastructureWhich role do governments and companies play in addressing the digital divide?What a Content Delivery Network is and why it speeds up web pagesWhat is a CDN and what is its purpose?What a DNS A record does and how it maps a domain to an IPv4 addressWhat does a DNS A record do?

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What is caching in browsers?
Which description best matches a web browser?
The Internet is described as a massive network of what?
What is the Content-Type header used for?
Which medium uses radio waves for data transmission?
What is bandwidth in a computer network?
Which statement best describes the role of a Certificate Authority regarding public keys?
In the process of viewing a web page, what is typically the first user action?
Which statement describes the role of TCP in web communication?
What is the purpose of HTTP in web communications?
Which term describes the capacity of data transfer in a system?
Which port is typically used for HTTP and which for HTTPS?
In RESTful design, resources are identified by what?
In the process of requesting a web source, which step comes after checking memory/cache?
Which statement about UDP is true?
What does bandwidth measure?
In DNS hierarchy, what is the top-level directory called?
If a domain has both A and AAAA records, what does that enable?
What is the purpose of a public key provided by a website for secure communication?
How many bits are in an IPv6 address?
Which term describes disparities in internet access?
Which statement about fiber optic cables and latency is true?
What is a data packet in network communication?
The Open Source movement is best described as which of the following?
What components make up a URL?
What is a top-level domain (TLD)?
Which technology maps a domain name to an IP address?
Why does the browser perform a DNS lookup before making an HTTP request?
Which of the following is a recommended cybersecurity practice?
What does a Certificate Authority do in securing website communications?
What is a major disadvantage of fiber optic cables?
What is a DNS cache?
Which term describes solving problems by enlisting help of a large online crowd?
Which of the following is NOT listed as an impact of the digital divide?
In an HTTP response, which header is used to indicate how long a response should be cached?
In the DNS hierarchy, what is the term for the part like 'karel' in 'karel.codehs.me'?
What does an HTTP response status code 200 indicate?
Which statement about URL query strings is true?
What does HTTP status code 200 mean?
Which statement best describes the Open Source movement?
What is the definition of a network?
In the IPv4 address 93.184.216.34, which part represents the device?
Distributed computing
The DMCA primarily concerns which area?
What does E-commerce enable?
What is the purpose of SSL/TLS in web security?
Which statement about the Internet is accurate?
What does HTTP status code 404 mean?
What is the role of a router?
The number of possible addresses is 2^x. What does x represent?
What does IP stand for?
DNS Spoofing involves which of the following?
A network is defined as what?
What does HTTP stand for?
Which entity is responsible for linking a public key to a site's identity?
Which item is an online communication?
Which is an example of online entertainment mentioned in the material?
What is static content vs dynamic content on the web?
Which statement best describes cyberwarfare?
What best distinguishes the Internet from the World Wide Web?
Which property describes IP's design?
Which of the following is not part of a typical URL component as described?
What is a cookie in web browsing?
Which concept relates to privacy and online identity?
Online learning is often characterized by which statement?
Which statement best describes the difference between an absolute URL and a relative URL?
What is the primary role of DNS in web connections?
Which platform is associated with providing access to classified or sensitive information, potentially dangerous?
Which statement best describes static content?
In the IPv4 example 93.184.216.34, which part identifies the network?
What is the difference between HTTP status codes 301 and 302?
Which option correctly defines a domain name?
What happens to the HTTP request after DNS resolves the domain?
Why are data packets broken into packets during transmission?
Public key cryptography basics state that
What big question about Internet users is discussed?
What does HTTP status code 302 mean?
What is a protocol?
Which protocol is connection-oriented and provides reliability guarantees, unlike UDP?
Which concept is associated with sharing content that isn't yours?
Which statement about latency is true?
Which term best describes the trend where online learning blends with traditional classroom approaches?
The Digital Divide refers to disparities in what?
What is the key difference between TCP and UDP?
In an HTTP request, which header indicates what content types the client can handle in the response?
What does bitrate describe?
Which technologies work together to send packets over the Internet and ensure the information inside the packets can be understood?
Which term refers to how devices on a network locate other devices or services?
Access to Information
Citizen science
An IP address uniquely identifies a device on a network. How many bits are in an IPv4 address?
What is the primary way a CDN improves web performance?
Which DNS level designates a specific page within a domain, such as 'blog' in 'blog.example.com'?
What is the primary role of a web server?
What is a key benefit of DNS's hierarchical design?
Which of the following is a defense in cybersecurity?
What is the role of the Domain Name System (DNS)?
During the TCP three-way handshake, which packet is sent first?
What is a web session?
What is true about Twitter's public key in secure communication?
What is a URL query string?
What is the Internet?
During a DNS lookup, which server is contacted after memory/cache?
What is a request header?
Which topic concerns restricting access to content on the Internet?
Which statement describes fiber optic cables in networking?
Which statement reflects the Internet's role in collaboration?
Which statement about the Internet's foundations is true?
Which of the following is a top-level domain (TLD)?
Which of the following statements describes the meaning of a 302 status code?
What is a web browser?
What does HTTPS add to HTTP?
The Internet connects devices and networks all over the world, helps people collaborate, and helps people communicate. Which statement best summarizes its role?
How is the bandwidth of a network typically measured?
What is a response header?
Which part of a URL is optional according to the material?
What does DNS do?
How do computers typically locate or identify other devices on a network?
How many groups and digits are in an IPv6 address?
What does the Host header do in HTTP requests?
Which DNS record creates an alias from one domain name to another domain name?
In routing cost, which factors are evaluated when selecting a path?
What does HTTP status code 403 mean?
What is a proxy server?
In networking, latency means what?
Which item is NOT typically included in TCP packet metadata?
What is a hyperlink?
What device determines the route data takes between two computers on a network?
Which action is a recommended cybersecurity practice?
In digital signaling, what happens when timing information is included in bit transmission?
Crowdfunding
Which statement best describes radio waves in networking?
The Internet Engineering Task Force is described as what?
In the client-server model, who requests resources and who provides them?
In an HTTP request, what does the line 'GET /homepage.html HTTP/1.1' represent?
Which description best describes the function of a web server?
What does the HTTP status 304 mean?
Which item is defined as buying online directly from retailers and finding the best price?
What is a DDoS attack?
If a DNS change is made at the authoritative server but users still see the old IP, what is happening?
Which protocol is used to translate a domain name into an IP address?
What is the main benefit of redundancy in networks?
Which DNS record maps a domain to an IPv6 address?
Who decides these protocols?
Why can DNS changes take time to propagate?
What happens during the TCP three-way handshake?
What is CORS in web development?
What does HTTPS indicate about a website?
What is the primary function of a router in a network?
Which statement about relative URLs is true?
What is the primary function of TCP?
IPv6 addresses are true description.
Memes are mentioned as a form of what?
What does latency measure in a network context?
Which set of HTTP methods is commonly used in RESTful APIs?
Which statement about packets is true?
Which statement about IP addressing is true?
Which header indicates the media type of the resource?
What is the term for a device that forwards a request from one computer to another?
What does the digital divide refer to?
Which of the following describes a means to address the digital divide?
Which strategy is described as part of addressing the digital divide?
Which concept refers to protecting a user's identity online?
The Internet is best described as which of the following?
What is TLS and why is it used with HTTPS?
Name two common HTTP request methods.
What is an HTTP header?
What does HTTP status code 500 indicate?
Which protocol is used to transfer documents on the Web?
Which statement describes Ethernet cables in networking?
What is a RESTful API?
What is the purpose of the User-Agent header?
Where does the browser obtain the IP address after you enter a URL?
IPv4 addresses are expressible as a 32-bit number.
What is the standard definition of latency?
In DNS hierarchy, which term describes the second-level domain such as 'example' in 'example.com'?
Which TCP feature helps ensure correct ordering and reliability by assigning sequence numbers to packets?

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