312-50 practice questions 1–10

1. Question 1 · 888 in bank

   Which of the following is a hardware requirement that either an IDS/IPS system or a proxy server must have in order to properly function?

   • AFast processor to help with network traffic analysis
   • BThey must be dual-homed
   • CSimilar RAM requirements
   • DFast network interface cards

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   Answer: B

   Explanation

   Dual-homed or dual-homing can refer to either an Ethernet device that has more than one network interface, for redundancy purposes, or in firewall technology, dual-homed is one of the firewall architectures, such as an IDS/IPS system, for implementing preventive security. References: https://en.wikipedia.org/wiki/Dual-homed

   Source: Adapted from community discussion — XX20Jim20XX

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2. Question 2 · 888 in bank

   An unauthorized individual enters a building following an employee through the employee entrance after the lunch rush. What type of breach has the individual just performed?

   • AReverse Social Engineering
   • BTailgating
   • CPiggybacking
   • DAnnounced

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   Answer: B

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3. Question 3 · 888 in bank

   While performing online banking using a Web browser, a user receives an email that contains a link to an interesting Web site. When the user clicks on the link, another Web browser session starts and displays a video of cats playing a piano. The next business day, the user receives what looks like an email from his bank, indicating that his bank account has been accessed from a foreign country. The email asks the user to call his bank and verify the authorization of a funds transfer that took place. What Web browser-based security vulnerability was exploited to compromise the user?

   • AClickjacking
   • BCross-Site Scripting
   • CCross-Site Request Forgery
   • DWeb form input validation

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   Answer: C

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4. Question 4 · 888 in bank

   In this form of encryption algorithm, every individual block contains 64-bit data, and three keys are used, where each key consists of 56 bits. Which is this encryption algorithm?

   • AIDEA
   • BTriple Data Encryption Standard
   • CAES
   • DMD5 encryption algorithm

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   Answer: B

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5. Question 5 · 888 in bank

   Which of the following is an application that requires a host application for replication?

   • AMicro
   • BWorm
   • CTrojan
   • DVirus

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   Answer: D

   Explanation

   Computer viruses infect a variety of different subsystems on their hosts. A computer virus is a malware that, when executed, replicates by reproducing it self or infecting other programs by modifying them. Infecting computer programs can include as well, data files, or the boot sector of the hard drive. When this replication succeeds, the affected areas are then said to be "infected". References: https://en.wikipedia.org/wiki/Computer_virus

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6. Question 6 · 888 in bank

   Which of the following is the best countermeasure to encrypting ransomwares?

   • AUse multiple antivirus softwares
   • BKeep some generation of off-line backup
   • CAnalyze the ransomware to get decryption key of encrypted data
   • DPay a ransom

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   Answer: B

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7. Question 7 · 888 in bank

   Which service in a PKI will vouch for the identity of an individual or company?

   • AKDC
   • BCR
   • CCBC
   • DCA

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   Answer: D

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8. Question 8 · 888 in bank

   John is investigating web-application firewall logs and observers that someone is attempting to inject the following:

   

   What type of attack is this?

   • ASQL injection
   • BBuffer overflow
   • CCSRF
   • DXSS

   Show answer

   Answer: B

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9. Question 9 · 888 in bank

   John is investigating web-application firewall logs and observers that someone is attempting to inject the following:

   

   What type of attack is this?

   • ASQL injection
   • BBuffer overflow
   • CCSRF
   • DXSS

   Show answer

   Answer: B

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10. Question 10 · 888 in bank

    A large company intends to use Blackberry for corporate mobile phones and a security analyst is assigned to evaluate the possible threats. The analyst will use the Blackjacking attack method to demonstrate how an attacker could circumvent perimeter defenses and gain access to the corporate network. What tool should the analyst use to perform a Blackjacking attack?

    • AParos Proxy
    • BBBProxy
    • CBBCrack
    • DBlooover

    Show answer

    Answer: B

    Explanation

    Blackberry users warned of hacking tool threat. Users have been warned that the security of Blackberry wireless e-mail devices is at risk due to the availability this week of a new hacking tool. Secure Computing Corporation said businesses that have installed Blackberry servers behind their gateway security devices could be vulnerable to a hacking attack from a tool call BBProxy. References: http://www.computerweekly.com/news/2240062112/Technology-news-in-brief

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312-50 practice, question 1. 888 questions available.