Author: Arman Hasen

Wireshark

wireshark

What is Wireshark? Wireshark is an open-source free packet sniffer and analysis network troubleshooting tool. It captures network traffic on the local network and stores that data for offline analysis. Wireshark can be set up in software form for local traffic of servers/computers. For network setup, we need to enable a port mirroring solution to send all traffic where the Wireshark terminal is connected as shown in this diagram.   Uses of Wireshark (network troubleshooting tool) The uses of Wireshark are: It can be used by network engineers to examine security problems. It is used by network engineers to troubleshoot Read More …

Crunch Wordlist generator (Kali Linux)

Crunch-Wordlist-Generator

Crunch Wordlist generator is a tool which comes by default with Kali Linux. It can create a wordlist based on criteria you specify. The output from crunch can be sent to the screen, file, or to another program. The required parameters are: min-len The minimum length string you want crunch to start at. This option is required even for parameters that won’t use the value. max-len The maximum length string you want crunch to end at. This option is required even for parameters that won’t use the value. charset string You may specify character sets for crunch to use on Read More …

Static & Default Routing Interview Questions

Static & Default Routing

What is Static Routing? It is a type of fixed routing where path selection & routing is controlled manually by network admin.   What are the properties of Static Routing? Static routing has following properties: AD (Administrative Distance) of a Static route is 1 Path selection & routing is manually controlled by the network administrator Static Routes are always preferred over Dynamic Routing protocols like OSPF/RIP/BGP Static Routes are less resource & BW intensive They are not fault tolerant (paths are always fixed) They are not practical for large networks How many types of Static Routes do we have? The Read More …

Network Topologies Interview Questions

Network Topologies Interview Questions

What is a Network Topology? A network topology is a layout pattern and connectivity scheme between the devices in a network.   How many types of Network topologies are there in total? There are 7 types of network topologies which are: Point-to-Point Network Topology Star Network Topology Ring Network Topology Mesh Network Topology Tree Network Topology Bus Network Topology Hybrid Network Topology What is LAN (local area network)? A LAN (local area network) is a computer network that interconnects computers within a limited area such as a residence, school, laboratory, university campus or office building.   What are the advantages Read More …

Protecting the organization (Cybersecurity free online Quiz)

Cyber Kill Chain

Test your Cyber Security knowledge and skills by practicing this free online quiz on ‘Protecting the organization’.       Protecting the organization & its assets from Cybersecurity attacks is critical these days. This quiz & related lecture will help you to improve your knowledge & skills on this topic.   You might also be interested in our free Online Quizzes on all IT topics including Cisco CCNA, Cyber Security, Python Programming, Linux & Ethical Hacking: Free Online Quizzes (Best for Cisco CCNA, Huawei HCNA, N+) You can also view free study notes (Cheat sheets) for long term memory: Networkwalks Read More …

Zenmap Network Scanning (Practice Lab)

Zenmap Network Scanning lab

Please follow the PDF Lab guide to complete all tasks & answer below questions. Please use the lab files that have been shared with you by your Course admin (for Zenmap Network Scanning LAB).       Important Information: Instructor has used 10.0.0.0/24 subnet in this lab guide. Your subnet & results might be a bit different based on your network configuration. Just follow these same steps with your local subnet & complete the lab accordingly. Consult the lecture video recording in which instructor has explained this practically step by step.   Background: Zenmap is the official GUI version of Read More …

Protecting your data and privacy (Cybersecurity Quiz)

Protecting your data and privacy (Cybersecurity Quiz)

Please complete your lecture/lab by instructor & then attempt this quiz to test your knowledge on “Protecting your data and privacy (Cybersecurity Quiz)”           You might also be interested in our free Online Quizzes on all IT topics including Cisco CCNA, Cyber Security, Python Programming, Linux & Ethical Hacking: Free Online Quizzes (Best for Cisco CCNA, Huawei HCNA, N+) You can also view free study notes (Cheat sheets) for long term memory: Networkwalks Summary Cheatsheets Follow our Facebook Page & YouTube Channel for more updated Cheatsheets & Quizzes:   Protecting your data and privacy (Cybersecurity Quiz) Read More …

Create and store strong Passwords LAB

Please follow the PDF Lab guide to complete all tasks & answer below questions. Please use the lab files that have been shared with you by your Course admin (for create and store strong Passwords LAB).             You might also be interested in our free Online Quizzes on all IT topics including Cisco CCNA, Cyber Security, Python Programming, Linux & Ethical Hacking: Free Online Quizzes (Best for Cisco CCNA, Huawei HCNA, N+) You can also view free study notes (Cheat sheets) for long term memory: Networkwalks Summary Cheatsheets Follow our Facebook Page & YouTube Channel Read More …

Cyber attack types, defenses & Laws (Cybersecurity Quiz)

Please complete your lecture/lab by instructor & then attempt this quiz to test your knowledge on “Cyber attack types, defenses & Laws“           You might also be interested in our free Online Quizzes on all IT topics including Cisco CCNA, Cyber Security, Python Programming, Linux & Ethical Hacking: Free Online Quizzes (Best for Cisco CCNA, Huawei HCNA, N+) You can also view free study notes (Cheat sheets) for long term memory: Networkwalks Summary Cheatsheets Follow our Facebook Page & YouTube Channel for more updated Cheatsheets & Quizzes: