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CISSP Domain 4: Communication and Network Security
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Domain 4: Communication and Network Security Practice Questions
Questions from the following topics are included in this domain:   
Assess secure network design principles.   
Implement secure network design principles.  
Secure network components using network access control devices.   
Implement secure design communication channels.  
Understand data communications and virtualized networks.    

CISSP Domain 4: Communication and Network Security
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25 Questions

1. Loren runs the networking department and desires to architect a system for her website customers that will simplify scalability, improve security, and ease implementation on various devices, such as smartphones, smartwatches, and laptops. Which model should she select?
2. Nicole, a systems administrator, is seeking methods to defend her public DNS server from hackers. Which of these is her BEST solution?
3. Melanie, a systems administrator, needs a secure, private connection from her home to the office. Which technology makes this possible for her?
4. A system that encrypts a symmetric key so that two users can use this key for secret messages is known as what?
5. Lai is a security engineer working with the networking department. During an audit, she notices the use of several old hubs in secure, networked environments. What is MOST LIKELY to be her recommendation?
6. Camila is a network engineer in charge of the placement of detection systems for her organization. What type of device does she install for this functionality?
7. Uchiyama is a network engineer tasked with explaining to management the differences between fraggle and smurf attacks. Which of the following is his BEST explanation?
8. Darcey, a network administrator, needs to set up a web server that allows customer access. To do this, the device sits outside of the corporate firewall. In which area should she deploy this system?
9. Brett is a network manager architecting a wired network through KloutCo. Part of the cabling will run above drop ceilings and through raised floors. Which of the following is his BEST recommendation?
10. Which of these are characteristics of a bridged network? (Choose two.)
11. VPNs have which of these characteristics? (Choose two.)
12. Jorge is starting a new CBD business and desires to set up his online shopping cart. He wants users to trust his store, so he registers a digital certificate with which role for the PKI?
13. Matt is a salesperson for Wilco and plans to use the Wi-Fi offered at his local restaurant. He enters the Wi-Fi password but cannot access the internet like others there. The computer works fine at home on the VPN and at work. What is MOST LIKELY to be the problem?
14. Alla, a network engineer, needs to extend a network so that computers 100 meters away from each other are on the same subnet. Which technology should she use to extend the network?
15. Anfisa, a network engineer is asked to inspect a network and determine whether it should be upgraded to fiber optic. Building-to-building connections are connected using coaxial cables, and privacy information is showing up on PASTEBIN. What is her recommendation for BEST security?
16. Fernando is a salesperson visiting one of his corporate field locations. He has the Wi-Fi password but still cannot access the internet because his browser requests another username and password. What is MOST LIKELY to be the trouble?
17. Avril is a systems administrator setting up email for her users. They are able to send email but not receive it. What is the MOST LIKELY problem?
18. This technology logically groups networked computers by function or department and enhances security by segregating data traffic, for example, by separating VoIP traffic. What is this technology called?
19. Dennis, a systems engineer, is upgrading 10 fax machines. What process should he use to dispose of the old fax machines?
20. Which protocols operate at the application, presentation, network, and data link layers, respectively?
21. Peter is a security analyst reviewing network logs and notices that from 10 PM-4 AM, the server reports attempted connections on ports 0, 1, 2, 3
22. Philyuk is a sales manager who is ready to get to work. He opens his laptop, connects to the Wi-Fi, but cannot access the internet. He notices that he has an IP address of 169.254.3.4 but still cannot access his online bank. What is MOST LIKELY to be the problem?
23. Sandor is a hacker attacking a user's online banking experience. While the user is logged in to their banking account, the user clicks an enticing email for free check-printing from their bank and allows the attacker to transfer money from the user's bank account. Which of the following BEST describes this attack?
24. Azan is part of the network security team and they are setting up a Wi-Fi system that allows any member of the company to connect to the network when at the office. Which feature should he recommend to help secure access to the network?
25. Which of the following BEST describes the Media Access Control (MAC) address burned into a Network Interface Card (NIC)?

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