Tag: general knowledge

Quizzes (3615) Questions (119858)

Questions Related to general knowledge

Multiple choice general knowledge science & technology

You want to see what your PL does online @ home. You somehow know his connection IP address. Which software can help you to know his system's open ports?

  1. Nmap

  2. Switch sniffer

  3. Etherial

  4. Wireshark
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is an exact duplicate of question 15181. Nmap (Network Mapper) is the correct tool for port scanning. It's designed specifically to discover open ports and services on network targets. Given an IP address, nmap scans the target and enumerates open ports with service detection. Wireshark (formerly Ethereal) is for packet capture and analysis, not port scanning. 'Switch sniffer' is not a recognized security tool.

Multiple choice general knowledge science & technology

What is honeypot?

  1. It can hack all systems.

  2. Safe corporate data deposits.

  3. You can download anything from here.

  4. trap for cyber criminals.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A honeypot is a decoy system designed to attract potential attackers, detect their attempts, and study their behavior. It appears as a legitimate target but actually traps cyber criminals by diverting them from real systems. It's not used for hacking, storing data, or downloading content.

Multiple choice general knowledge science & technology

You are going to open a website. Which attackes can down your website?

  1. DDOS

  2. Echo attack

  3. Unlimited pings

  4. Botting
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A DDoS (Distributed Denial of Service) attack floods a website with massive traffic from multiple sources, overwhelming its resources and taking it offline. The term 'DDOS' is the correct answer, though 'unlimited pings' describes a similar concept in simpler terms.

Multiple choice general knowledge science & technology

You are getting unwanted mails in your default outlook email client and you don’t want it. Which port will you ban if don’t want ANY mail?

  1. 443

  2. 139

  3. 110

  4. 80
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Port 110 is used by POP3 (Post Office Protocol version 3) for receiving email. If you want to block ALL email, you'd also need to block port 25 (SMTP for sending) and port 143 (IMAP for receiving). The question only asks about one port, and 110 is the standard POP3 port for incoming mail.

Multiple choice general knowledge science & technology

Who are White Hats?

  1. Underground Hackers

  2. Ethical Hackers

  3. US Gov. FBI hackers

  4. Less knowledgeable hackers
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

White hat hackers are ethical hackers who use their skills for defensive purposes - finding vulnerabilities to help organizations fix them. This contrasts with black hat hackers (malicious) and gray hat hackers (somewhere in between). White hats operate legally with permission.

Multiple choice general knowledge science & technology

You live with your 4 other friends. All have laptops but only one internet connection. Service provider has noted the physical address(MAC address) of your subscribed laptop. How your friends can use internet on their laptops? (Select best option)

  1. By using proxy server.

  2. Using a hub.

  3. User can change their Physical address identical to subscribed laptop.

  4. Apply for another net connection.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

MAC addresses can be spoofed (changed in software) to match the subscribed laptop's address, allowing other devices to authenticate. This is a form of bypassing network authentication. While not ethical or recommended, it is technically feasible. A hub would share the connection but ISP authentication would still fail.