WorksheetsOrigin of the Internet
Total questions: 15
Worksheet time: 8mins
Which U.S. agency initiated the project that led to the internet in the 1960s?
National Science Foundation
U.S. Department of Defense (ARPA)
Federal Communications Commission
National Aeronautics and Space Administration
What was ARPANET’s primary significance when created in 1969?
It introduced wireless networking worldwide
It was the first working packet‑switched network
It standardized commercial email protocols
It launched the first search engine for academia
Which innovation by Tim Berners‑Lee in 1989 made the internet easier for the public to use?
Peer‑to‑peer file sharing platforms
Web pages and hyperlinks of the World Wide Web
High‑speed optical backbone lines
End‑to‑end encryption for browsers
Which statement best describes the role of the Transport layer in TCP/IP?
Ensures end-to-end delivery with segmentation and reassembly
Assigns unique IP addresses and chooses routing paths
Converts packets into frames for physical transmission
Provides Wi‑Fi frequencies and antenna power control
A file download must arrive intact and in order. Which protocol-feature pairing fits this need at the Transport layer?
TCP with reliable sequencing and error checks
IP with path selection and address assignment
Ethernet with frame encapsulation and cabling
UDP with minimal overhead and no handshake
In the domain name example wikipedia.org, which part is the Top-Level Domain (TLD)?
wikipedia
org
wikipedia.org
www
Which statement best describes a Second-Level Domain (SLD)?
It is the last part after the final dot
It indicates the server’s physical location
It is the name left of the TLD, often the brand
It is a subdomain used for specific services
Which option best describes a subdomain sop?
An optional part before the SLD
A mandatory part after the TLD
A replacement for the domain name
A suffix used by country codes
Which example correctly shows a subdomain used to create a specific website section?
blog.example.com for a blog section
example.blog.com for a blog section
example.store.com for an online store
google.mail.com for Gmail access
Which action should be taken first when a domain is hijacked?
Contact the domain registrar promptly
Wait for registrar to reach out first
Switch hosting providers immediately
Post warnings on social media only
Which action most directly prevents a hijacker from making further changes to a stolen domain while recovery is in progress?
Freeze or lock the domain at the registrar
Submit a general support ticket to hosting
Redirect DNS to a temporary web server
Change the website’s CMS admin password
Which action best reduces the risk of users landing on fake look‑alike sites due to typing errors?
Register common misspellings of your brand domain
Only buy a premium top‑level domain extension
Rely on browser autocomplete for all visitors
Publish a detailed brand style guide for staff
Amir wants to prevent typosquatting. Which combination is the most effective immediate approach?
Monitor similar domains and register misspellings
Launch social ads and redesign the homepage
Create a blog and open multiple subdomains
Disable HTTPS and remove firewall rules
Which action best establishes legal rights to act against typosquatters?
Register brand name and trademarks officially
Buy multiple similar domain variations proactively
Monitor web traffic for suspicious referrers
File a police report without any evidence
After discovering a fake domain mimicking your brand, what is the immediate procedural step?
Contact the domain registrar with ownership proof
Announce the incident on social media platforms
Wait to gather more user complaints first
Send marketing emails warning existing customers
