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11th Computer Applications Weekly Test -3 ( Computer Ethics and Cyber Security )

MABS Institution

11th Computer Applications Weekly Test -3 ( Computer Ethics and Cyber Security )-Aug 2020

Time : 1.00 Hours

Part - A

Multiple Choice Question - Answer All Question

Which of the following statement is false?
(i) Users should not be truthful while using Internet
(ii) Each should respect the privacy of other users
(iii) Users should strictly obey the cyber lay in computer usage
(iv) Users should share any information with unauthorized people

only (iv)
Both (i) and (iii)
Both (i) and (iv)
only (i)

A_______ acts as an intermediary between the end users and a web server

Proxy server
System software
Node
None of these

Firewall category is ________

Network-based
Host-based
Either A or B
None of these

A__________ is someone who breaks into someone else's computer system, often on a network, by passing passwords or licenses in computer programs.

Cracker
Programmer
Server
None of these

Which one of the following are self-repeating and do not require a computer program to attach themselves?

viruses
worms
spyware
Trojans

IDS means _________

Intrusion Detection Systems
Intrusion Defective Systems
Intrusion Direction Systems
Intrusion Detach Systems

_________15 done y cryptography

Encryption
Decryption
Both A and B
None of these

___________IS the most common virus.

Trojan
Melisa
Sasser
Code Red

Encryption and decryption are done by

GUI
Cryptography
Cipher-text
Compiler

__________is a type of malicious program that demands payment after launching a cyberattack on a computer system

Spyware
Worms
Ransomware
None of these

_______is a encryption scheme

Symmetric Key encryption
Public Key encryption
Both A and B
None of these

Data s ould be_____________ when transmitted across networks in order to protect against the network rafflc by unauthorized users.

Encrypted
Translated
Converted
None of these

Cracking means trying to get into ccmputer.. systems in order to ___________data

Steal
Corrupt
Illegitimately view
All the above

"Phishing without a trop" called

Hacking
Cracking
Pharming
Warehouse

Steal a password is ___________

Piracy
Hacking
IDS
None of these

Which type of encryption use the same key for both encryption and description?

Public Key
Private Key
Asymmetric Key
Symmetric Key

__________meant tricking people into believing something that is not true.

Harvesting
Scam
Intellectual property theft
Fraud

____________is a collection of various technologies, processesand measuresthat reduces the risk of cyber attacks.

Cyber Security
Cyber Crime
Cyber Gateway
None of these

_________ is the process of transiting the plain text data (plaintext) into random and mangied data.

Encryption
Decryption
Sampling
None of these

Overloading a system with fake reque ts so that it cannot serve normal legitimate requests is called________

Cyber Stalking
Malware
Denial of service attack
None of these

Public Key encryption is also called

Symmetri~ key
asymmetric
synchronous
all of these

A_________ commonly establishes a block between atrusted internal computer network . and entrusted computer outside the network.

Firewall
Cookie
Hacking
None of these

__________is an attack where the attacker secretly relays and possibly alters the communication between two parties who believe they are diretly communicating with each other.

Cyber
Man-in-the-middle attack
Cracking
None of these

The method that uses' social engineering crackers is _________ guessing.

Password
Username
Website name
URL

The process of converting cipher text to plain text is called

Encryption
Decryption
key
proxy server

__________means a person or program couects login and password information from a legitimate user to illegally gain access to others' accounts.

Harvesting
Malware
Denial of service attack
Fraud

_______meansstealing practical or conceptual lnformatlon developed by another person or company.

Harvesting
Identity theft
Intellectual property theft
Fraud

The act of gaining illegal access to a computer is called

Hacking
Cracking
Phising
Piracy

Expansion of lRC

Internet Relay Chat
Internet Religions Chat
Intenational Relay Chat
Internet Relay Cyber

Distributing unwanted e-mail to others is called.

scam
spam
fraud
spoofing

__________is an example of social engineering

Phishing
Pharming
Both A and B
None of these

How many types of cyber-crimes that happen across the world?

8
6
7
5

__________cannot be used to spread viruses and they cannot access our hard drive.

MITM
Cookies
Cracking
Virus

Which of the following is not used to prevent unauthorized access?

Firewalls
IDS
Malware
Virus Scanners

Which of the following also used to remember arbitrary pieces of information that the user previously entered into form fields?

Phishing
Pharming
Cookie
Malware

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