Internet and Web Technologies MCQs

Computer

Internet and Web Technologies MCQs

Practice Internet MCQs covering WWW, browsers, search engines, URL, HTTP, HTTPS, email and web technologies with answers and explanations.

461
Total Questions

Practice Questions

Page 15 of 24
Question #281
What is the purpose of a 'Sitemap' (typically packaged as sitemap.xml) uploaded onto a website's root domain space?
A. To encrypt user password data structures safely
B. To explicitly detail the architectural directory list of URLs to assist search engine crawlers in indexing the site thoroughly
C. To display a geographic satellite view map of the server facility layout
D. To store backup email attachments
Discuss
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Correct Answer: Option B

Explanation:
A sitemap.xml file acts as an architectural guide for web crawlers, listing available site URLs so search engines can efficiently map out and discover pages.
This question belongs to: Computer Internet and Web Technologies
Question #282
Which structural part of an email address uniquely identifies the specific inbox owner within a particular hosting provider's domain platform?
A. The mail exchange header string
B. The local part (username preceding the @ sign)
C. The IP address trace configuration
D. The domain extension (.org/.com)
Discuss
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Correct Answer: Option B

Explanation:
An email address consists of a local part (identifying the user mailbox) followed by the '@' sign and the domain host name.
This question belongs to: Computer Internet and Web Technologies
Question #283
Which port does the secure version of Simple Mail Transfer Protocol (SMTPS) or SMTP over SSL commonly use by default?
A. 465
B. 110
C. 80
D. 25
Discuss
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Correct Answer: Option A

Explanation:
Port 465 is the historically standard port designated for running secure SMTP connections encrypted using SSL/TLS.
This question belongs to: Computer Internet and Web Technologies
Question #284
What mechanism does a browser use to maintain persistent client-side data store pools across tabs using basic key-value pairs without expiration deadlines via JavaScript?
A. RAM Buffers
B. LocalStorage
C. Session Cookies
D. DNS Registry Logs
Discuss
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Correct Answer: Option B

Explanation:
The Web Storage API provides 'localStorage', allowing web applications to save data locally inside the user's browser with no built-in expiration timeline.
This question belongs to: Computer Internet and Web Technologies
Question #285
Which type of internet connection method relies on existing analog copper telephone network lines to deliver high-bandwidth digital data streams without blocking traditional voice calls?
A. Dial-up Connection
B. DSL (Digital Subscriber Line)
C. Satellite Link Array
D. Coaxial Fiber Grid
Discuss
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Correct Answer: Option B

Explanation:
DSL uses high-frequency bands over copper telephone wires to run continuous, high-speed internet data transmissions alongside standard voice calls.
This question belongs to: Computer Internet and Web Technologies
Question #286
What standard protocol is utilized within the World Wide Web environment to deliver hypermedia data across nodes dynamically?
A. FTP
B. SNMP
C. HTTP
D. SMTP
Discuss
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Correct Answer: Option C

Explanation:
HTTP (Hypertext Transfer Protocol) is the fundamental application data protocol that allows data retrieval, linking, and asset loading across the WWW.
This question belongs to: Computer Internet and Web Technologies
Question #287
Which of the following describes a 'Static IP Address' allocated to a web server host on the internet?
A. A permanently assigned, unchanging numerical network identifier
B. An address configuration that blocks incoming email transfers
C. An unencrypted URL scheme string
D. An address that changes dynamically every time the machine reboots
Discuss
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Correct Answer: Option A

Explanation:
A static IP address is a fixed numerical address configured manually on a device's network interface that remains constant until modified by an administrator.
This question belongs to: Computer Internet and Web Technologies
Question #288
What kind of web tool acts as an indexed directory cataloging websites sorted manually into distinct hierarchy classes, rather than relying strictly on automated web crawlers?
A. Search Indexer Engine
B. Proxy Gate
C. Web Directory
D. Meta Crawler Portal
Discuss
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Correct Answer: Option C

Explanation:
Unlike automated search engines, traditional web directories (like the early Yahoo Directory or DMOZ) relied on human editors to catalog and organize websites into categories.
This question belongs to: Computer Internet and Web Technologies
Question #289
Which internet protocol enables network users to join live interactive conversation text forums globally in real-time, operating under a traditional client-server architecture pattern?
A. HTTP-Proxy
B. SMTP
C. POP3
D. IRC (Internet Relay Chat)
Discuss
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Correct Answer: Option D

Explanation:
IRC (Internet Relay Chat) is an old application layer protocol created specifically to handle structured text messaging networks in real-time.
This question belongs to: Computer Internet and Web Technologies
Question #290
What does the '200 OK' HTTP response code indicate to a browser engine?
A. The server redirects requests to alternative domains.
B. The client request succeeded perfectly, and the expected payload data is sent back.
C. The resource has been deleted safely.
D. The input client address layout is broken.
Discuss
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Correct Answer: Option B

Explanation:
A 200 OK status code means the client's HTTP request was successfully processed by the server, which then returned the requested data.
This question belongs to: Computer Internet and Web Technologies
Question #291
Which of the following parameters uniquely represents an accurate distinction of IPv6 over older IPv4 addressing standards?
A. IPv6 cannot translate alphabetical domain name mappings.
B. IPv6 utilizes 32-bit addresses; IPv4 utilizes 64-bit addresses.
C. IPv6 is restricted strictly to wireless hardware channels.
D. IPv6 utilizes 128-bit addresses, drastically expanding the available address space.
Discuss
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Correct Answer: Option D

Explanation:
IPv6 addresses are 128 bits long (represented in hexadecimal), resolving the address exhaustion issue of IPv4, which uses 32-bit addresses.
This question belongs to: Computer Internet and Web Technologies
Question #292
Which specific email header field identifies the chain of server hosts that routed a message from origin to its final endpoint mailbox destination?
A. Subject header
B. Attachment index tag
C. Content-Type statement
D. Received header fields
Discuss
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Correct Answer: Option D

Explanation:
The 'Received' lines in an email header record each mail server node that processed and passed the message along, aiding in source verification.
This question belongs to: Computer Internet and Web Technologies
Question #293
What does a web browser perform when executing a 'DNS Lookup' operation?
A. It establishes a secure tunnel path via proxy configurations.
B. It queries DNS servers to resolve a domain name string into its underlying IP address.
C. It clears out localized hardware registry errors.
D. It downloads heavy multimedia files to local cache blocks.
Discuss
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Correct Answer: Option B

Explanation:
DNS resolution looks up human-readable text domain destinations to find their matching numerical IP addresses so network connections can be established.
This question belongs to: Computer Internet and Web Technologies
Question #294
Which of the following browser technologies executes dynamic programming code natively on the client's computer to create interactive UI behaviors without continuous server interaction?
A. XML Metadata Templates
B. SQL Client Scripts
C. CSS Layout Core
D. JavaScript
Discuss
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Correct Answer: Option D

Explanation:
JavaScript is the standard client-side scripting language interpreted natively by modern browser engines to implement complex interactive logic on web pages.
This question belongs to: Computer Internet and Web Technologies
Question #295
What is the function of an encryption certificate standard like SSL/TLS when integrated into e-commerce web channels?
A. To establish cryptographic authentication and data scrambling to secure monetary transactions and logins
B. To accelerate processing speeds of graphic vector files
C. To automatically build clean layout formatting patterns
D. To track site page view metadata collections
Discuss
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Correct Answer: Option A

Explanation:
SSL/TLS certificates authenticate web server identities and encrypt data streams, preventing hackers from reading sensitive credit card or login transmissions.
This question belongs to: Computer Internet and Web Technologies
Question #296
Which top-level domain designation (TLD) is reserved exclusively for official government entities and administrative bodies?
A. .net
B. .gov
C. .com
D. .org
Discuss
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Correct Answer: Option B

Explanation:
The '.gov' top-level domain is restricted solely to verified government agencies, institutional departments, and state-level operations.
This question belongs to: Computer Internet and Web Technologies
Question #297
What does the term 'Hypertext' mean in the context of the World Wide Web environment?
A. Text written using machine language binary code values
B. Text that contains embedded links pointing to other documents or media files
C. Encrypted secure string text used inside user database units
D. Text that is transmitted at speeds faster than fiber networks
Discuss
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Correct Answer: Option B

Explanation:
Hypertext is text that contains embedded electronic cross-references (hyperlinks), allowing users to easily jump from one piece of text to another related node.
This question belongs to: Computer Internet and Web Technologies
Question #298
Which type of web architecture uses a 'Three-Tier' format to divide application logical structures cleanly?
A. Sender inbox, Gateway router, and Recipient junk folder
B. HTML file, CSS style script, and JavaScript dynamic loader
C. Presentation tier (Browser), Application tier (Server logic), and Data tier (Database)
D. Local router, WAN switch, and Global satellite interface
Discuss
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Correct Answer: Option C

Explanation:
A standard three-tier web application architecture separates concerns into the presentation layer (UI), the application logic tier, and the database storage tier.
This question belongs to: Computer Internet and Web Technologies
Question #299
What is the function of the 'History' tab or pane inside modern web browser applications?
A. To manage outbound corporate email queues
B. To log specific hardware device error codes chronologically
C. To keep a chronologically ordered record list of all recently visited web address locations
D. To secure confidential password sets against server vulnerabilities
Discuss
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Correct Answer: Option C

Explanation:
The browser history feature acts as a local log that lists web addresses visited by the user over previous days or weeks, making it easy to find past sites.
This question belongs to: Computer Internet and Web Technologies
Question #300
Which internet protocol is primarily utilized to sync time clocks across distributed computer systems over packet-switched networks?
A. IMAP
B. NTP (Network Time Protocol)
C. DHCP
D. FTP
Discuss
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Correct Answer: Option B

Explanation:
NTP (Network Time Protocol) synchronizes computer system clocks to a common time standard over network links, maintaining high accuracy.
This question belongs to: Computer Internet and Web Technologies

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