Adam, a malicious hacker is running a scan. Statistics of the scan is as follows:
Scan directed at open port: ClientServer
192.5.2.92:4079 ---------FIN--------->192.5.2.110:23192.5.2.92:4079 <----NO RESPONSE---
---192.5.2.110:23
Scan directed at closed port:
ClientServer
192.5.2.92:4079 ---------FIN--------->192.5.2.110:23
192.5.2.92:4079<-----RST/ACK----------192.5.2.110:23
Which of the following types of port scan is Adam running?
You work as a Network Administrator for Net Perfect Inc. The company has a Windows-based network. The company
wants to fix potential vulnerabilities existing on the tested systems. You use Nessus as a vulnerability scanning
program to fix the vulnerabilities. Which of the following vulnerabilities can be fixed using Nessus?
Each correct answer represents a complete solution. Choose all that apply.
Victor works as a professional Ethical Hacker for SecureEnet Inc. He wants to scan the wireless network of the company. He uses a tool that is a free open-source utility for network exploration. The tool uses raw IP packets to determine the following:
What ports are open on our network systems.
What hosts are available on the network.
Identify unauthorized wireless access points.
What services (application name and version) those hosts are offering.
What operating systems (and OS versions) they are running.
What type of packet filters/firewalls are in use.
Which of the following tools is Victor using?
Many organizations create network maps of their network system to visualize the network and understand the relationship between the end devices and the transport layer that provide services.
Which of the following are the techniques used for network mapping by large organizations?
Each correct answer represents a complete solution. Choose three.
Adam works as a Security Administrator for Umbrella Inc. A project has been assigned to him to secure access to the network of the company from all possible entry points. He segmented the network into several subnets and installed firewalls all over the network. He has placed very stringent rules on all the firewalls, blocking everything in and out except the ports that must be used. He does need to have port 80 open since his company hosts a website that must be accessed from the Internet. Adam is still worried about the programs like Hping2 that can get into a network through covert channels.
Which of the following is the most effective way to protect the network of the company from an attacker using Hping2 to scan his internal network?
