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Which of the following is not an advantage of a load balancer?
a. The risk of overloading a desktop client is reduced.
b. Network hosts can benefit from having optimized bandwidth.
c. Network downtime can be reduced.
d. DoS attacks can be detected and stopped.
Step by step
Solved in 3 steps
- Under which condition is using the trial-and-error approach not advisable? (Choose all that apply.) a. You can undo changes easily. b. A server or network device is live on the network. c. You can’t undo changes easily. d. No data can be lost.Problem 3 Short Answer A shoulder surfer reads what users enter on keyboards such as logon names, passwords and PINs. How to prevent shoulder surfing? What are firewalls? What are advantages of hardware firewalls? The following code is a Perl script, and it runs on Kali Linux. What is the result. # Perl program demonstrating branching $word = "Hack"; &speak; $word = "Or"; &speak; $word = "Die!"; &speak; sub speak { print "$word\n"; }Which of the following actions should you first take to secure your Linux computeragainst network attacks?a. Change permissions on key system files.b. Ensure that only necessary services are running.c. Run a checksum for each file used by network services.d. Configure entries in the /etc/sudoers file.
- Which of the following does not qualify as a host virtualization benefit? a. Penetration testing can be done on a computer using a simulated network environment and several virtual computers. b. Only one piece of anti-virus software is necessary. c. Security patches can be tested. d. The host operating system can be virtualized for training purposes.Netstat is a useful tool for checking network and Internet connections.Some useful applications for the average PC user are considered,including checking for malware connections. a. Open the command prompt window and:netstat –anESTABLISHED indicates that the server received the SYN signal from theclient and the session is established.How many connections are ESTABLISHED? b. To find out which programs are making connections with the outside world,we can use the command netstat –b.netstat –bList two programs that have made connections to the outside world. c. To view the routing table on the current machine, use netstat –rnetstat –rWhat is the IP address of the Gateway? d. How many entries are in the routing table in c? e. To display the statistics for only the TCP protocol, type the followingcommand:netstat –sp tcpHow many TCP segments were retransmitted? f. Based on e, how many current TCP connections are there?What are best practices for securing a Linux server? (Choose all that apply.)a. Lock the server in a server closet.b. Ensure that you are logged in as the root user to the server at all times.c. Ensure that SELinux or AppArmor is used to protect key services.d. Set the default run level to 1 (Single User Mode).
- Which of the following is not an advantage of host virtualization? a. Penetration testing can be performed using a simulated network environment on a computer using multiple virtual machines. b. Only one copy of anti-virus software is needed. c. Security patches can be tested. d. Host operating system virtualization can be used for training purposes.On servers with Linux operating system, access logs are kept under which of the following directories by default?A) /var/log/B) /var/log/auth/C)/log/D)/log/auth/ Which of the following would an attacker prefer to run operating system-level code with MSSQL?A) MSSQL cannot run code at the operating system level.B) MSSQL agentC) xp_cmdshellD) There are no options. As a network administrator, you want to reduce the attack surface on your systems. Which of the following helps?A) Creating shared folderB) Make sure that only the necessary services are activeC) To record access activitiesD) monitor network traffic Which of the following products can an institution prefer to use if its antivirus software is up-to-date on the computers in its network?A) FirewallB) DLPC) Web ProxyD) NAC When John enters the mobile banking app on his smartphone, he sees his account balance is decreasing. What would it be better for John to do first to fix this situation?A) Closing and reopening the mobile…You installed your new Windows Server 2012, but after the first day, the server was compromised by a malicious download. What post-installation task was not correctly implemented? installed a. Windows Server security patches were not b. A TCP/IP firewall exception was improperly made c. IE enhanced security was not enabled d.All of the above
- Kye wants to transfer files between a workstation and a server through a command-line interface, with encryption of both the data and the commands being used to copy the files. Which of the following protocols would provide these tools? a. FTPS b. FTP c. TFTP d. SFTPYou have been hired as a consultant for a new company with 35 users. You have determined they should use Windows Server 2019 with Windows 10 clients. One of the servers will provide centralized authentication and use Group Policy. Which of the following is a crucial question that you must answer before you can install these features on this server? a. What file sharing protocol should be used? b. What domain name should you use? c. What folders need to be shared? d. What CPU are the client computers usingClients are reporting slowness when attempting to access a series of load-balanced APIs that do not require authentication. The servers that host the APIs are showing heavy CPU utilization. No alerts are found on the WAFs sitting in front of the APIs. Which of the following should a security engineer recommend to BEST remedy the performance issues in a timely manner? Options: A Implement rate limiting on the API. B Implement geoblocking on the WAF. C Implement OAuth 2.0 on the API. D Implement input validation on the API. if you could explain why you chose that correct choice, Id appreciate it. Thank you!
