Month: March 2022

OSPF (Open Shortest Path First)

ospf-routing-protocol

What is OSPF? OSPF (Open Shortest Path First) is an open source dynamic routing protocol based on Link State Routing Algorithm for IP Networks. It has a Protocol Type/Class which is based on IP/Link-State. OSPF uses an Algorithm called SPF (Dijkstra) to determine the shortest path. It is an IGP (Interior Gateway Protocol) Type of protocol and it uses Cost (Bandwidth) as its metric value. OSPF has 5 no. of packet types and has an Admin Distance of 110. It has a Reference Bandwidth of 108 and has a defined Standard of IETF RFC2328 (OSPFv2), IETF RFC2740 (OSPFv3/IPv6) for OSPF Read More …

Static and Default Routing

static-default-routing

Static and Default Routing are two types of routing in which the path selection is controlled manually by a network administrator. STATIC ROUTING “It is a type of fixed routing in which path selection and routing is controlled manually by a network admin”. Static routes have Admin Distance (AD) of 1. Path selection  and routing is manually controlled by a network administrator in static routing. Static routes are always preferred over Dynamic routing protocols like OSPF/RIP/BGP. They consume less resources and less bandwidth intensive. Static Routes are not fault tolerant (paths are always fixed). Therefore, they are not practical for Read More …

How to Stay Anonymous (Cyber Security Quiz)

How to stay Anonymous quiz

Test your Cyber Security knowledge and skills by practicing this free online quiz on How to Stay Anonymous Quiz.         Protecting the organization & its assets from Cybersecurity attacks is critical these days. This how to stay anonymous quiz & related lectures 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 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 …

Kali Linux & its Tools (Cyber Security Quiz)

Kali Linux & its Tools Quiz

    Protecting the organization & its assets from Cybersecurity attacks is critical these days. This kali linux tools 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 Summary Cheatsheets Follow our Facebook Page & YouTube Channel for more updated Cheatsheets & Quizzes after Read More …

Clearing Logs (Cyber Security Quiz)

Clearning Logs quiz

Test your Cyber Security knowledge and skills by practicing this free online quiz on Clearing Logs Quiz.   Protecting the organization & its assets from Cybersecurity attacks is critical these days. This Clearing Logs 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 Summary Read More …

Gaining & Maintaining Access Phase (Hacking) Quiz

Gaining & Maintaining Access Quiz

Test your Cyber Security knowledge and skills by practicing this free online quiz on Gaining & Maintaining Access Phase (Hacking) Quiz.   Protecting the organization & its assets from Cybersecurity attacks is critical these days. This Gaining & Maintaining Access 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) Read More …

Scanning (Cyber Security Quiz)

Scanning Quiz

Test your Cyber Security knowledge and skills by practicing this free online quiz on Scanning Quiz.   Protecting the organization & its assets from Cybersecurity attacks is critical these days. This Scanning 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 Summary Cheatsheets Follow 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 …