Mark works as a Network Administrator for NetTech Inc. The network has 150 Windows 2000 Professional client computers and four Windows 2000 servers. All the client computers are able to connect to the Internet. Mark is concerned about malware infecting the client computers through the Internet. What will Mark do to protect the client computers from malware?
Each correct answer represents a complete solution. Choose two.
Address Resolution Protocol (ARP) spoofing, also known as ARP poisoning or ARP Poison Routing (APR), is a technique used to attack an Ethernet wired or wireless network. ARP spoofing may allow an attacker to sniff data frames on a local area network (LAN), modify the traffic, or stop the traffic altogether. The principle of ARP spoofing is to send fake ARP messages to an Ethernet LAN. What steps can be used as a countermeasure of ARP spoofing?
Each correct answer represents a complete solution. Choose all that apply.
Which of the following is a technique for creating Internet maps?
Each correct answer represents a complete solution. Choose two.
Andrew, a bachelor student of Faulkner University, creates a gmail account. He uses 'Faulkner' as the password for the gmail account. After a few days, he starts receiving a lot of e-mails stating that his gmail account has been hacked. He also finds that some of his important mails have been deleted by someone. Which of the following methods has the attacker used to crack Andrew's password?
Each correct answer represents a complete solution. Choose all that apply.
John works as a professional Ethical Hacker. He is assigned a project to test the security of www.weare-secure.com. He is working on the Linux operating system. He wants to sniff the we-are-secure network and intercept a conversation between two employees of the company through session hijacking. Which of the following tools will John use to accomplish the task?
TCP/IP stack fingerprinting is the passive collection of configuration attributes from a remote device during standard layer 4 network communications. The combination of parameters may then be used to infer the remote operating system (OS fingerprinting), or incorporated into a device fingerprint.
Which of the following Nmap switches can be used to perform TCP/IP stack fingerprinting?
Maria works as a professional Ethical Hacker. She is assigned a project to test the security of www.we-are-secure.com. She wants to test a DoS attack on the We-are-secure server. She finds that the firewall of the server is blocking the ICMP messages, but it is not checking the UDP packets. Therefore, she sends a large amount of UDP echo request traffic to the IP broadcast addresses. These UDP requests have a spoofed source address of the We-are-secure server. Which of the following DoS attacks is Maria using to accomplish her task?
Peter works as a Network Administrator for the PassGuide Inc. The company has a Windows-based network. All client computers run the Windows XP operating system. The employees of the company complain that suddenly all of the client computers have started working slowly. Peter finds that a malicious hacker is attempting to slow down the computers by flooding the network with a large number of requests. Which of the following attacks is being implemented by the malicious hacker?
TESTED 24 Aug 2025
