Test: Cyber Ethics - 2 - Class 10 MCQ

An antivirus is a kind of software that is specially designed to help the user's computer to detect the virus as well as to avoid the harmful effect of them. In some cases where the virus already resides in the user's computer, it can be easily removed by scanning the entire system with antivirus help.

Antivirus is a kind of software program that helps to detect and remove viruses form the user's computer and provides a safe environment for users to work on. There are several kinds of antivirus software are available in the market, such as Kaspersky, Mcafee, Quick Heal, Norton etc., so the correct answer is D.

There are two types of firewalls - software programs and hardware-based firewalls. These types of firewalls filter each and every data packet coming from the outside environment such as network; internet so that any kind of virus would not be able to enter in the user's system. In some cases where the firewall detects any suspicious data packet, it immediately burns or terminates that data packet. In short, we can also say that it is the first line of defense of the system to avoid several kinds of viruses.

The stealing ideas or the invention of others and using them for their own profits can also be defined in several different ways, such as piracy, intellectual property rights, and plagiarism.

Cyber Ethics refers to exploring the appropriate, ethical behaviors related to online environments and digital media.

Availability refers to the violation of principle, if the system is no more accessible.

Message Digest is a type of cryptographic hash function that contains a string of digits that are created by the one-way hashing formula. It is also known as a type of technique used for verifying the integrity of the message, data or media, and to detect if any manipulations are made. Therefore the correct answer is D.

The Aircrack-ng is a kind of software program available in the Linux-based operating systems such as Parrot, kali etc. it is usually used by users while hacking the Wi-Fi-networks or finding vulnerabilities in the network to capture or monitor the data packets traveling in the network.

Angry IP Scanner is a type of hacking tool that is usually used by both white hat and black hat types of hackers. It is very famous among the users because it helps to find the weaknesses in the network devices.

There are usually three types of scanning in ethical hacking and cyber security. Therefore the correct answer is C.

Among the following-given options, the Cloud Scan is one, and only that is not a type of scanning.

While trying to hack a system, the most important thing is cracking the passwords.

The Creeper is called the first computer virus as it replicates itself (or clones itself) and spread from one system to another. It is created by Bob Thomas at BBN in early 1971 as an experimental computer program.

It is essential to always keep the firewall on in our computer system. It saves the computer system against hackers, viruses, and installing software form unknown sources. We can also consider it the first line of defense of the computer system.

Cod Red is a type of Computer virus that was first discovered on 15 July in 2001 as it attacks the servers of Microsoft. In a couple of next days, it infects almost 300,000 servers.

Application security, operational security, network security all are the main and unforgettable elements of Cyber Security. Therefore the correct answer is D.

DDoS (or denial of service), malware, drive-by downloads, phishing and password attacks are all some common and famous types of cyber-attacks used by hackers.

Malware is a kind of short program used by the hacker to gain access to sensitive data/ information. It is used to denote many kinds of viruses, worms, Trojans, and several other harmful programs. Sometimes malware is also known as malicious software.

Nowadays, in Wi-Fi Security, the WPA2 is one of the most widely used protocols because it offers a more secure connection rather than the WPA. It is also known as the upgraded version of the WPA protocol.

When the numbers of users on a network get increased and exceed the network's limit, therefore the performance is one of the factors of the network that is hugely impacted by it.