internet 22 25 27 28 29 30 Flashcards
What is the function of SMTP in internet communication?
SMTP (Simple Mail Transfer Protocol) is used to send emails across the Internet.
SMTP is essential for email transmission and is a standard protocol for email sending.
What does DNS do on the Internet?
DNS (Domain Name System) translates human-friendly domain names (like www.example.com) into IP addresses used by computers.
DNS is crucial for navigating the internet, allowing users to access websites using readable names.
What is a URL?
A URL (Uniform Resource Locator) specifies the address of a resource on the internet and how to retrieve it.
URLs are fundamental for locating resources on the web.
What are the main components of a URL?
Protocol, Domain, Top-Level Domain (TLD), and Path.
Each component plays a role in determining how a resource is accessed.
What is domain registration?
It’s the process of registering a domain name through an accredited registrar, which links the domain with its IP address.
Domain registration is necessary for anyone wishing to establish a presence on the internet.
Who accredits domain registrars?
ICANN (Internet Corporation for Assigned Names and Numbers).
ICANN is responsible for managing domain name systems and ensuring the stability of the internet.
What are the main functions of a search engine?
Crawling and Indexing.
These functions are essential for gathering and organizing the vast amount of information on the web.
What is crawling in search engines?
The process by which search engines use bots (spiders) to scan and collect data from web pages.
Crawling is the first step in the search engine process, enabling the discovery of new content.
What is indexing?
Organizing collected web data in a structured database to enable fast retrieval.
Indexing allows search engines to quickly provide relevant results to user queries.
What is meant by ‘searching’ in a search engine?
Retrieving results based on relevance to a user’s query.
This process involves matching user input with indexed data to deliver relevant information.
What factors affect a search engine’s ranking of results?
Keyword relevance, content quality, credibility, freshness, and user engagement.
Understanding these factors is crucial for optimizing web pages for better visibility.
What is SEO?
SEO (Search Engine Optimization) involves techniques to improve a website’s visibility in search engine results.
SEO is vital for driving organic traffic and enhancing online presence.
What is voice search?
A search method using spoken language, facilitated by virtual assistants like Siri or Alexa.
Voice search is becoming increasingly popular due to the rise of smart devices and AI technology.