Latest Antispam and Antivirius Objective Questions
1. Where might a spammer get your personal information from?
A. Facebook
B. MySpace
C. LinkedIn
D. All of these
Ans: D
2. Which of the following spam filtering techniques has the highest potential for generating false positives?
A. Community Filtering
B. Bayesian Filtering
C. Challenge-Response Filtering
D. Keyword Filtering
Ans: D
3. Why shouldn’t a user click unsubscribe links from spam messages?
A. clicking the link will prevent
B. unsubscribing makes finding the sender difficult
C. the click may validate the email address
Ans: C
4. What is an example of a Phishing scam?
A. An application that looks useful, but actually contains spyware to slow down your computer
B. An email that appears to be legitimate, but is really being used to obtain personal or important information
C. Hacking into a computer and leaving false trails on who did it
D. Installing a virus and then asking you to pay to remove it
Ans: B
5. Malware is short for
A. Malicious Software
B. Malicious Systems
C. Maliant Software
D. Maliant Systems
Ans: A
6. What is a good method for a website owner to confirm a user is not using an account for a spamming purposes?
A. Users must associate a phone to their account and confirm a number sent to them via text
B. Requiring users provide valid personal information during sign up
C. All of these
D. Users that register must click on a confirmation link to the email they specify in their profile
Ans: C
7. A virus is a program that attaches itself to (or replaces the contents of) which of the following file types?
A. Text files
B. Executables
C. Header files
D. Source files
Ans: B
8. In order for antivirus programs to be most effective, it is necessary to keep which of the following up to date?
A. Web browsers
B. File hashes
C. Antivirus encryption keys
D. Virus definition files
Ans: D
9. Which of the following is not a well known anti-virus program?
A. AVAST
B. SMAG
C. AVG
D. McAFee
Ans: B
10. What is a captcha?
A. A spam email that attempts to “capture” information and then use that information to cause damage; the second phase is often referred to as the “gotcha” phase.
B. An SPAM email written in all caps
C. It is a tool websites often use to prevent automated spammer bots from posting or registering on a website by forcing the user to do a task, often entering in letters or numbers based on a picture or audio, which verifies that they are human.
D. A group of characters in hidden in an email that often includes code used in malware.
Ans: C
11. What are types of malware?
A. Viruses
B. Spyware
C. All of these
D. Worms
Ans: C
12. What could be a good indicator of a Spam email?
A. Something that sounds too good to be true
B. All of these
C. An email that contains plenty of grammar mistakes
D. An email sent to a bunch of random people
Ans: B
13. In order to infect a system, clicking an email attachment must cause which of the following conditions to occur?
A. the attachment is saved to the disk
B. the attachment is decompressed
C. the attachment opens in a preview editor
D. the attachment executes
Ans: D
14. If you cannot delete malware infected file, what is good method to try first?
A. Reformat then attempt to delete the file
B. Run Windows Repair
C. Run Windows Restore
D. Boot in Windows safe mode and attempt to delete the file
Ans: D
15. Which of these is an example of a possible victim in a phishing attack?
A. The website that was hacked
B. The person who had their identity stolen
C. All of these
D. The bank of the victim
Ans: C
16. What is a keylogger?
A. Software that that records keys you set when encrypting files
B. Software that records keystrokes made on a keyboard
C. Software used to log all attempts to access a certain file
D. Software that steals passwords or “keys” that you have saved on your computer
Ans: B
17. A virus can spread to another computer by
A. Sharing an infected file with another computer
B. Through touch
C. Pinging other computers from the infected computer
D. Being on the same network as that computer
Ans: A
18. Automated spamming tools subscribe to mail lists in order to complete which of the following tasks?
A. collect email addresses
B. deny service to mail list recipients
C. introduce security holes into the list
Ans: A
19. What is a computer virus?
A. Software that steals files from your computer and is used by blackmailers
B. Spyware that slows down a computer by sending statistics to an unknown source
C. A type of malware that replicates itself and spreads to other files and/or computers.
D. A software that hijacks your computer and asks you to pay in order for it to be removed
Ans: C
20. Which of these techniques would be effective in helping to prevent phishing attacks by scammers?
A. Use IFRAME’s
B. Allow XSS
C. Scan for and fix XSS issues
D. Use Pop-ups
Ans: C
21. What run command can you use to check what programs load on startup?
A. cmd
B. ipconfig
C. msconfig
D. startup
Ans: C
22. A client asks you to fix his computer because it has ransomware on it. He says he sees a message as soon as he loads windows, and cannot do anything else. What is the best way to fix this computer without losing any of his data?
A. Reinstall Windows
B. Reformat the computer
C. Boot from a USB drive and run a program to remove the malware
D. Use Windows Restore
Ans: C
23. What is a botnet?
A. Software that automates networks
B. A program that sends emails repeatedly infecting other computers who open it
C. A collection of malware stored in a network
D. A collection of computers working together to perform a single task. These computers are often penetrated by software containing malware.
Ans: D
24. What is rogue security software?
A. Security software that has been compromised to not pick up certain threats
B. Security software that is no longer being used for the purpose that was intended due to an exploit or hacker.
C. A fraudulent security program that appears to be helpful, but is actually not. It may deceive or mislead users into paying money to remove fake viruses or introduce malware after it is installed.
D. Security software that considers data files or programs as viruses, when they are not.
Ans: C
25. What is an example of a “419” Scam
A. Someone who uses social engineering to gain access to your computer or personal information
B. Someone who sends you an email in hopes you open an attachment which contains a virus
C. When you download a program that appears harmless, but it actually installs spyware on your computer
D. A con in which someone asks you for assistance in retrieving a vast sum of money. Often it involves you helping him or her pay off certain fees and in return they promise to share the money with you.
Ans: D
26. What is the main difference between spyware and other malware?
A. There is no difference
B. Spyware that slows down a computer by sending statistics to an unknown source, while malware only includes threats from inside your own computer
C. Malware monitors data usage, while spyware infects your computer with viruses
D. Spyware tends to steal or monitor data and/or personal information while malware encompasses all software that may been made with malicious intent in mind
Ans: D
27. What is a backdoor?
A. A vulnerability in software that allows someone to bypass the normal authentication process
B. It is a known bug or exploit hackers use to cause software to behave in a way that was not intended by the manufacturer
C. It is where viruses store their source code and begin to replicate
D. It is a way for spyware to leave a system without any trace of it being there
Ans: A
28. Which of the following sites provide services for users to setup disposable emails?
A. jetable.org
B. gmail.com
C. yahoo.com
D. hotmail.com
Ans: A
29. Virus infection via email attachments can be minimized using which of the following?
A. Opening attachments from external hard drives
B. Copying attachments to special directories before opening them
C. Right clicking attachments
D. Deleting mail containing attachments from unknown senders
Ans: D
30. What is an example of a captcha?
A. An interactive program which have instructions that read: “Move the triangle into the circle”
B. 1 + 1 = ?
C. What are the characters in this picture?
D. All of these
Ans: D
31. You have been told by several of your friends you have recently sent SPAM emails to them, what could be the cause of this and what should you do?
A. A spammer may have infiltrated your email provider’s host and compromised your account. You should notify your email provider.
B. A spammer or bot may have gained access to your email account and sent out SPAM to all of your contacts. You should change your password immediately.
C. A spammer has gained access to your email. Unfortunately, the only thing you can do to prevent further SPAM is to close your account and create a new email address.
D. A spammer is spoofing your email address. You should tell your friends to block the email address.
Ans: B
32. Which is not an example of an anti-spyware tool?
A. Ad-Aware
B. Windows Defender
C. Spybot
D. Kazaa
Ans: D
33. Which of the following spam filtering issues stops valid messages from being delivered?
A. false positives
B. false negatives
Ans: A
34. Which is most likely something that could be considered strange account activity and may require further scrutiny on an e-commerce site?
A. A user logs in from another computer than the last login
B. A user changes their email
C. Orders from several user accounts are being sent to the same physical address
D. A user changes their more than once password
Ans: C
35. Why are disposable email addresses useful?
A. It is useful for someone who needs to give out their email or sign up to a website, but wants to protect their real email address from SPAM.
B. It is useful for spammers to create false email addresses that does not exist in order to spoof the from email in their spam messsages.
C. It is useful for spammers who want to send out a one time mass email, but never use that same email address again
D. It is useful for people who do not want their emails to be read
Ans: A
36. What is ransomware?
A. A nickname for types of spyware that require a password on boot
B. Software that steals files from your computer and is used by blackmailers
C. A software that hijacks your computer and asks you to pay in order for it to be removed
D. Viruses that infect files and won’t let you open them unless you know a certain pass code
Ans: C
37. What is disposable email addressing?
A. A practice in which a spammer sends out mass emails from a single email account, but never logs into that account again.
B. Email addresses that are not rea, but they appear on the from section of an email. They are often used to help protect spammer’s from being traced.
C. Someone who creates an email for the sole purpose of sending out spam
D. A practice in which you set a unique email address for sender/recipient communication. Disposable email addresses typically forward to one or more real email mailboxes where the owner can receive and read messages without revealing their true email.
Ans: D
38. When a spammer forges the sender’s address and enters an invalid receiver, which of the following settings will cause the receiving mail server to create backscatter?
A. Reject messages
B. Drop messages
C. Bounce messages
Ans: C
39. In order to help prevent spam, a honeypot performs which of the following functions?
A. acts as a desirable mail server in order to lure spammers
B. delivers suspected spam messages more slowly
C. traps suspected spam messages
D. routes suspected spam to special enclaves in the system
Ans: A
40. Which of the following techniques requires posting an email address where only spammers would find it?
A. Tarpits
B. Spam Traps
C. Blacklists
Ans: B
41. Antivirus programs hash files on a computer in order to detect which of the following activities?
A. File size changes
B. File permissions changes
C. File content changes
Ans: C
42. Performing outbound spam filtering does which of the following for an organization?
A. helps prevent whitelisting
B. helps prevent blacklisting
C. helps prevent spam trapping
Ans: B
43. What is CryptoLocker?
A. A module of the Windows BitLocker encryption system.
B. A type of encrypted Linux file system.
C. A type of ransomware which encrypts user files and demands payment for the decryption key.
D. A malware class which is known for encrypting itself to avoid detection.
Ans: C
44. Which type of analysis is an antivirus program performing when it observes a file’s activities in a sandbox or decompiles a file and analyzes its instructions?
A. Performance Analysis
B. Heuristic Analysis
C. Signature Analysis
Ans: B
45. Which of the following tools would NOT be useful in figuring out what spyware or viruses could be installed on a client’s computer?
A. WireShark
B. Malware Bytes
C. HighjackThis
D. HitmanPro
Ans: A
46. How can delivering mail as text instead of html help prevent spam?
A. text mail prevents web bugs from alerting spammer that the message was opened
B. mail servers won’t accept html messages if they are in text mode
C. text is easier to analyze for spammer information
Ans: A
47. What is email spoofing?
A. Copying or forwarding emails and then editing their To and From to make it appear that the email was originally sent to or from someone else
B. When someone forges or makes it appear that a email being sent is from a particular sender when it really is being sent by someone else.
C. When someone sends an email that appears to look like a legitimate, but it is actually not and is being used to obtain personal or important information.
D. Sending an email through multiple accounts in order to make it difficult to trace back the original email’s sender address or origin
Ans: B
48. Which of the following reduces spam by rejecting mail from a specific ip addresses?
A. URL Blacklisting
B. DNS Blacklisting
C. IMAP Blacklisting
D. POP3 Blacklisting
Ans: B
49. Antivirus signatures are constructed using with of the following?
A. Encryption Algorithms
B. Random Number Generators
C. Hashes
D. Cyclic Redundancy Checks
Ans: C
50. How can you help stop spam?
A. All of these
B. Block certain email addresses known for sending spam
C. Setup email filters based on keywords known to be in spam
D. Unsubscribe from listservs
Ans: A
51. Which of the following characteristics classify a mail message as spam?
A. it is solicited and indiscriminately addressed
B. it is unsolicited and indiscriminately addressed
C. it is solicited and contains advertising
D. it is unsolicited and contains advertising
Ans: B
52. Which of the following is true of macro viruses?
A. They depend on the operating system to propagate
B. They are larger than traditional viruses
C. They depend on applications to propagate
D. They are written in low-level languages to avoid detection
Ans: C
53. Which of the following can prevent virus infections?
A. Implementing a firewall
B. Implementing an intrusion detection system
C. Patching programs and the operating system
Ans: C
54. In a compromised system, which of the following provides the safest way to analyze it?
A. Live CD/DVD
B. Resident Antivirus Program
C. Live USB
Ans: A
55. Is commercial SPAM legal in the United States?
A. Yes because it is protected under the first amendment
B. Yes, but only if it is an advertisement for a real product.
C. Yes, but only if it follows the standards listed in the CAN-SPAM Act of 2003
D. No
Ans: C
56. Which of the following differentiates a virus from a worm?
A. a worm requires user interaction to infect a machine
B. a worm can infect multiple machines
C. a virus requires user interaction to infect a machine
D. a virus can only infect a single machine
Ans: C
57. Which of the following spam filtering techniques statistically analyzes mail?
A. Keyword Filtering
B. Challenge-Response Filtering
C. Community Filtering
D. Bayesian Filtering
Ans: D
58. Firewalls help to prevent which of the following malware from propagating?
A. Encrypted viruses
B. Worms
C. Polymorphic viruses
D. Trojan viruses
Ans: B
59. On a WordPress site, which is the default service/tool to prevent spammers from posting comments?
A. Website Inspector
B. Akismet
C. MailWasher Pro
D. SpamAssassin
Ans: B
60. What is the difference between a worm and virus?
A. A worm does not replicate itself like a virus does, but rather moves from computer to computer
B. A virus infects files, while a worm eats them
C. A worm is a virus created for a very specific purpose
D. Unlike a virus, a worm does not need to attach itself to a program to spread.
Ans: D
61. Which of the following best describes a distributed antivirus tool that consist of a scanning client and a corresponding web service?
A. Client/Server Antivirus
B. Internet OS Antivirus
C. Cloud Antivirus
D. Web Antivirus
Ans: C
62. Most spyware is used to…
A. track a user’s movement on the web or display pop-up ads
B. steal sensitive information on a computer in order to blackmail you
C. slow down computers for the sole purpose of maliciousness
D. create a backdoor
Ans: A
63. Polymorphic viruses randomly generate which of the following items before infecting a new file?
A. mutation engine
B. virus body
C. decryption routine
Ans: A
64. A virus can hide itself from an antivirus software by doing which of the following?
A. intercepting operating system read and write requests
B. replacing an executable file with its payload
C. appending itself to an executable file
D. compressing itself in a zip file
Ans: A
65. Which of the following is true of a trojan virus?
A. a trojan reproduces by infecting other files
B. a Trojan doesn’t self-replicate
C. a trojan inserts a copy of itself into another program
Ans: B
66. Which of the following sites use disposable email addressing?
A. Craigslist
B. All of these
C. Amazon
D. Walmart
Ans: A
67. When using greylist filtering, a message will be considered legitimate if it does which of the following?
A. contains a sender and subject line
B. is not a multipart message
C. sends its message more than once
D. sends its message without html markup
Ans: C
68. Which is not an example of a real life virus or worm discovered during the time period of 1980 to 2013?
A. iRiot
B. Elk Cloner
C. The Michelangelo Virus
D. The ILOVEYOU Worm
Ans: A
69. In order to help prevent spam, a tarpit performs which of the following functions?
A. traps suspected spam messages
B. routes suspected spam to special enclaves in the system
C. acts as a desirable mail server in order to lure spammers
D. delivers suspected spam messages more slowly
Ans: D