CompTIA CompTIA A+ JK0-802 Questions & Answers

• Question 771:

  A technician is configuring a PC that will have confidential information stored on it. To ensure that only authorized users can access this PC, which of the following should the technician do? (Select TWO).

  A. Disable the guest account

  B. Install antivirus applications

  C. Disable DHCP

  D. Change the SSID

  E. Change the default username

  Correct Answer: AE

  To prevent unauthorized access to the PC, disable guest accounts and change default usernames for maximum security.

• Question 772:

  Which of the following encryption standards is found on older wireless devices and provides minimal security?

  A. WPA

  B. WPA2

  C. WEP

  D. AES

  Correct Answer: C

  Reference: http://searchsecurity.techtarget.com/definition/Wired-Equivalent-Privacy

• Question 773:

  Phishing is:

  A. An infection that causes a web browser to go to a different site than the one intended from a search result page.

  B. A technique used to obtain financial information from a user mimicking a legitimate website.

  C. An infection that causes a computer to behave erratically by playing music and launching browser windows.

  D. A technique used to obtain financial information from a user by compiling information from social networks and their friends.

  Correct Answer: B

  Reference: http://www.victeach.com.au/Other-Services/Security/Threats-and-scams.html

• Question 774:

  Turnstiles and other mantraps will prevent which of the following security threats?

  A. Shoulder surfing

  B. Tailgating

  C. Rootkits

  D. Viruses

  Correct Answer: B

  Reference: http://www.infosecpro.com/a_security_engineering/se13.htm

• Question 775:

  The practice of following an authorized person through an entrance without using a badge to defeat security is called:

  A. tailgating

  B. spamming

  C. shredding

  D. phishing

  Correct Answer: A

  Reference: http://en.wikipedia.org/wiki/Tailgating

• Question 776:

  Which of the following security threats is BEST mitigated through proper user training?

  A. A Worm

  B. Rootkits

  C. Social Engineering

  D. Browser Adware

  Correct Answer: C

  Reference: http://www.veracode.com/blog/2013/03/hacking-the-mind-how-why-social- engineering-works/

• Question 777:

  A computer program that functions normally while quietly installing malicious software on a machine is known as a:

  A. DDoS attack.

  B. Worm.

  C. Phishing attack.

  D. Trojan.

  Correct Answer: D

  Reference: http://computer.howstuffworks.com/trojan-horse.htm

• Question 778:

  A pest exterminator tries to gain access to a company's computer lab, but the receptionist does not see an extermination scheduled on the calendar and denies the exterminator access to the lab. Which of the following security threats almost occurred?

  A. War driving

  B. Social engineering

  C. Shoulder surfing

  D. Phishing

  Correct Answer: B

  Reference: http://www.veracode.com/blog/2013/03/hacking-the-mind-how-why-social- engineering-works/

• Question 779:

  Which of the following is BEST used to prevent other people from viewing a user's computer screen?

  A. Anti-virus software

  B. Key fob

  C. Biometric device

  D. Privacy filter

  Correct Answer: D

  Reference: http://www.privacyscreens.co.uk/howitworks.php

• Question 780:

  After being infected with a virus, a user's computer does not recognize the user as having local administrator rights to the computer. After troubleshooting the issue, a technician determines the computer needs to be rebuilt and data needs to be restored from the user's backup. Which of the following tools would BEST reset the computer to how it worked when first purchased?

  A. Recovery Console

  B. Factory restore CD

  C. Anti-malware software

  D. System Restore

  Correct Answer: B

  Reference: http://en.wikipedia.org/wiki/Recovery_disc