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Python Interview Questions

Top 5 Python Interview Questions recommended by Cisco Networking Academy for Network Engineers

Introduction The Cisco Networking Academy have posted a list of 5 Python Interview Questions that are most common in any Python related interview. Cisco Networking Academy is a global initiative that equips people of all ages with the digital skills they need to succeed in today’s economy. They also design courses to allow network engineers […]
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Network Address Translation (NAT)

Introduction No one anticipated the rapid growth of the Internet when IP addressing was developed. The shortage of IPv4 addresses directly affects the internet’s rapid expansion. Some addresses (Class D and E) are allocated for multicast, research, and development, reducing the total number of usable IPv4 addresses from the available 2^32, or 4.2 billion. To […]
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What Does a Network Engineer Do?

Introduction If a business or organization wants its employees to be able to freely exchange information and resources, as well as maintain open lines of communication, they need a sophisticated network architecture. A network engineer is required to handle the network architecture. By reading this article, you will know the answer to the question, “what […]
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EIGRP and OSPF Metric Calculation

Best Path Calculation Methods – OSPF and EIGRP Metric Calculation

Introduction Metric calculation is a critical component for any routing protocol. OSPF metric calculation is used to find the shortest path by using cost as a metric and determining the cost of paths to know the best path to the destination. Before understanding the OSPF and EIGRP Metric calculation, you need to know that: The […]
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Best OSINT (Open-source Intelligence) Tools

Introduction We live in a digital world where everything is online, and that’s where you have to find relevant information about everything. This information can be easily gathered using OSINT tools as the internet world is vast, but it is impossible to find the information you are looking for every time. Does that mean that […]
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What is AAA (Authentication, Authorization, and Accounting)?

Introduction In the vast realm of networking, AAA is an acronym that frequently appears, yet its meaning and significance often remain elusive to many. If you find yourself grappling with questions like “What is AAA in networking?” or “How does it impact network security?”, then you’ve come to the right place. In this blog, we […]
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What is Access Control List?

What is Access Control List (ACL) in networking?

Introduction You may have heard about the Access Control List or ACL. It is used to control permissions to a computer system or network, but do you know what is Access control list? As we know, the Internet is a network of networks, and routers play a vital role in having connectivity between different networks. […]
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What is VLAN (Virtual LAN)?

Introduction In networking, as we know, switches are used to create networks, while routers are used to connect different networks. By default, switches forward both broadcast and multicast out of every port but not the originating one. However, if you require to divide a single broadcast domain into smaller ones with security in some networks, […]
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FHRP - First Hop Redundancy Protocol

FHRP (First Hop Redundancy Protocol)

Introduction In order to protect their networks against complete breakdown, businesses use a number of different protocols. First Hop Redundancy Protocol (FHRP) is one such protocol, and it uses a virtual default gateway to provide nearly uninterrupted network availability for businesses. FHRP allows multiple routers to act as a backup for each other in case […]
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Quality of Service (QoS) in Networking

Enterprise networks must offer dependable and quantifiable services to enable the transmission of delay-sensitive data, voice, and video. So, QoS is employed by enterprises to fulfil the traffic demands of sensitive applications, such as real-time voice and video, and to stop the quality from degrading as a result of packet loss, delay, and jitter.
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Network Protocols

Network Protocols are the set of rules for communication between network devices, including the ways devices can identify and make connections with each other.
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Routing Information Protocol (RIP) in Computer Networks

In 1981, the Routing Information Protocol (RIP) was first developed as GWINFO in the Xerox Network Systems (XNS) protocol suite for the Xerox PARC Universal Protocol. RIP, which was first described in RFC 1058 in 1988, has a reputation for being simple to set up and use on small networks.
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