About this quiz
50 questions covering every section of the note on the internet, WWW, browsers, URLs, IP addresses, domains, protocols, networks, email, cyber threats, safe practices, e-governance and the Electronic Transactions Act, 2063.
This Lok Sewa practice set has 50 multiple-choice questions (Subject: Science and Technology · For: Kharidar, Nayab Subba, Section Officer · Level: Easy). Take the quiz above first; after that, use the study list below to revise every question with its correct answer and a short explanation.
Study list: all 50 questions with answers and explanations
The internet is often described by which phrase?
- A) A single large computer
- B) A type of web browser
- C) A network of networks ✔
- D) A local office network
Why: The internet links many computer networks around the world using TCP/IP.
Which statement about the internet and the WWW is correct?
- A) The WWW is a collection of linked web pages reached through the internet ✔
- B) The internet and the WWW are exactly the same thing
- C) The WWW is older than the internet
- D) Email is a part of the WWW
Why: The internet is the global network; the WWW is one service on it made of linked web pages.
In which language are web pages usually written?
- A) SMTP
- B) FTP
- C) TCP
- D) HTML ✔
Why: Web pages are usually written in HTML, HyperText Markup Language.
Which of the following is a web browser, not a search engine?
- A) Google Search
- B) Mozilla Firefox ✔
- C) Bing
- D) Yahoo Search
Why: Firefox is a browser used to open web pages; the others are search services.
What is the main job of a search engine?
- A) To help find information on the web using keywords ✔
- B) To connect a computer to the power supply
- C) To remove viruses from a computer
- D) To send email
Why: A search engine finds web pages that match the keywords you type.
In the address https://www.example.gov.np/notices/result.html, which part is the domain name?
- A) https
- B) /notices/result.html
- C) www.example.gov.np ✔
- D) result.html
Why: The domain name is the website name; https is the protocol and the rest is the path.
How many bits does an IPv4 address use?
- A) 16
- B) 32 ✔
- C) 64
- D) 128
Why: IPv4 uses 32 bits, written as four numbers separated by dots; IPv6 uses 128 bits.
What does DNS do?
- A) Sends email to many people
- B) Blocks viruses
- C) Prints web pages
- D) Changes domain names into IP addresses ✔
Why: The Domain Name System works like a phone book, turning names into IP addresses.
Which is the country code top-level domain of Nepal?
- A) .ne
- B) .nl
- C) .nep
- D) .np ✔
Why: .np is Nepal's country code domain; government sites use .gov.np.
Which protocol sends web pages in encrypted form?
- A) HTTPS ✔
- B) HTTP
- C) FTP
- D) POP3
Why: HTTPS is the secure version of HTTP and encrypts data between the browser and the website.
Which protocol is used mainly to send email?
- A) FTP
- B) HTTP
- C) SMTP ✔
- D) IMAP
Why: SMTP, Simple Mail Transfer Protocol, sends email; POP3 and IMAP are used to receive it.
What is FTP mainly used for?
- A) Encrypting passwords
- B) Uploading and downloading files ✔
- C) Finding web pages
- D) Giving IP addresses
Why: FTP stands for File Transfer Protocol and is used to move files between computers.
A network of computers inside one office building is called what?
- A) WAN
- B) LAN ✔
- C) MAN
- D) The internet
Why: A Local Area Network covers a small area such as a room, office or building.
Which is the best example of a WAN?
- A) Two phones linked by Bluetooth
- B) Computers in one classroom
- C) A printer shared in one office
- D) The internet ✔
Why: A Wide Area Network covers a country or the whole world, and the internet is the largest WAN.
If you want other receivers NOT to see some addresses in an email, which field should you use?
- A) BCC ✔
- B) CC
- C) To
- D) Subject
Why: Addresses in BCC, Blind Carbon Copy, are hidden from the other receivers.
A file such as a photo sent along with an email is called what?
- A) Spam
- B) Draft
- C) Attachment ✔
- D) Inbox
Why: An attachment is a file sent with an email message.
Which malware spreads across networks by itself without needing a host file?
- A) Worm ✔
- B) Virus
- C) Spam
- D) Cookie
Why: A worm copies itself and spreads on its own; a virus needs to attach to a host file.
Malware that locks a victim's files and demands money to unlock them is called what?
- A) Spyware
- B) Ransomware ✔
- C) Trojan horse
- D) Firewall
Why: Ransomware encrypts files and asks for a ransom payment.
A fake email that pretends to be from a bank and asks for your password is an example of what?
- A) Booting
- B) Backup
- C) Compression
- D) Phishing ✔
Why: Phishing uses fake messages or websites that look trusted to steal personal details.
Which of the following is the strongest password?
- A) 123456
- B) password
- C) Nep4l#Sewa92 ✔
- D) your own first name
Why: A strong password mixes capital and small letters, numbers and symbols and is not easy to guess.
What does two-factor authentication add to a login?
- A) A longer user name
- B) A faster internet connection
- C) A free antivirus program
- D) A second proof, such as a code sent to the phone, besides the password ✔
Why: 2FA asks for a second proof, so a stolen password alone is not enough to log in.
Why are regular backups important?
- A) They let you restore data after a disk failure or ransomware attack ✔
- B) They make the internet faster
- C) They remove the need for passwords
- D) They stop all emails
Why: A backup keeps a copy of files so they can be recovered if the originals are lost or locked.
Online company registration with a government office is an example of which type of e-governance?
- A) G2C
- B) G2G
- C) G2B ✔
- D) G2E
Why: G2B means Government to Business, such as online registration of companies.
Which is a basic purpose of Nepal's Electronic Transactions Act, 2063?
- A) To fix the price of computers
- B) To give legal recognition to electronic records and digital signatures ✔
- C) To ban use of the internet in offices
- D) To register political parties
Why: The Act recognizes electronic records and digital signatures and also defines computer-related offences, with an Information Technology Tribunal to hear cases.
WWW stands for:
- A) World Wide Web ✔
- B) World Wide Wire
- C) Web World Wide
- D) Wide World Web
Why: The WWW was invented by Tim Berners-Lee.
The World Wide Web was invented by:
- A) Bill Gates
- B) Tim Berners-Lee ✔
- C) Charles Babbage
- D) Vint Cerf
Why: He proposed it in 1989.
A program used to view web pages is a:
- A) Search engine
- B) Operating system
- C) Web browser ✔
- D) Compiler
Why: Chrome and Firefox are browsers.
Google is mainly a:
- A) Browser only
- B) Operating system
- C) Email protocol
- D) Search engine ✔
Why: It finds web pages.
URL stands for:
- A) Uniform Resource Locator ✔
- B) Universal Routing Link
- C) Unified Resource Line
- D) User Resource Locator
Why: A URL is a web address.
In an email address, the @ symbol separates:
- A) Subject and body
- B) User name and domain ✔
- C) CC and BCC
- D) File and folder
Why: name@domain.
BCC in email means:
- A) Basic carbon copy
- B) Blank copy
- C) Blind carbon copy ✔
- D) Big carbon copy
Why: BCC recipients are hidden.
A file sent with an email is an:
- A) Signature
- B) Subject
- C) Header
- D) Attachment ✔
Why: Attachments travel with the message.
Unwanted bulk email is called:
- A) Spam ✔
- B) Phishing only
- C) Cookie
- D) Cache
Why: Spam is unsolicited mail.
Fake emails that try to steal passwords are:
- A) Spam only
- B) Phishing ✔
- C) Firewall
- D) Backup
Why: Phishing tricks users.
A small file stored by websites in your browser is a:
- A) Virus
- B) Cache only
- C) Cookie ✔
- D) Plugin
Why: Cookies remember settings.
HTTPS shows that a website:
- A) Is free
- B) Is government-owned
- C) Has no ads
- D) Uses encrypted connection ✔
Why: S = secure (TLS/SSL).
A program that copies itself and damages files is a:
- A) Virus ✔
- B) Firewall
- C) Browser
- D) Compiler
Why: Viruses attach to files.
Software that protects against viruses is:
- A) Spyware
- B) Antivirus ✔
- C) Adware
- D) Ransomware
Why: Antivirus detects malware.
Malware that locks files and demands payment is:
- A) Adware
- B) Spyware
- C) Ransomware ✔
- D) Freeware
Why: Ransomware asks for ransom.
Software that secretly collects user information is:
- A) Antivirus
- B) Firewall
- C) Utility
- D) Spyware ✔
Why: Spyware spies on users.
Downloading means:
- A) Copying data from the Internet to your device ✔
- B) Sending data to the Internet
- C) Deleting files
- D) Formatting a disk
Why: Uploading is the reverse.
An ISP is an:
- A) Internal System Program
- B) Internet Service Provider ✔
- C) Internet Security Protocol
- D) Input Signal Port
Why: ISPs give internet access.
Video calling over the internet is an example of:
- A) FTP
- B) DNS
- C) VoIP ✔
- D) DHCP
Why: Voice over Internet Protocol.
A strong password should contain:
- A) Only your name
- B) Only 1234
- C) Your birth date
- D) Letters, numbers and symbols ✔
Why: Mixed characters are harder to guess.
Two-factor authentication adds:
- A) A second verification step such as an OTP ✔
- B) A second keyboard
- C) Free storage
- D) A faster browser
Why: It adds security.
Cloud storage means saving files:
- A) Only on a pen drive
- B) On internet servers ✔
- C) Only on paper
- D) Only in RAM
Why: Examples: Google Drive, OneDrive.
The address bar of a browser is used to:
- A) Change fonts
- B) Print pages
- C) Type a web address ✔
- D) Format disks
Why: URLs are typed there.
A bookmark in a browser:
- A) Deletes history
- B) Blocks ads
- C) Encrypts files
- D) Saves a website address for later ✔
Why: Bookmarks are saved links.
The domain .gov.np is used by:
- A) Nepal government websites ✔
- B) Commercial companies
- C) Universities in India
- D) Personal blogs
Why: gov.np is for government.
Gmail, Yahoo and Outlook are:
- A) Search engines only
- B) Email service providers ✔
- C) Operating systems
- D) Programming languages
Why: They provide email accounts.