Reading Time-approximately: 2 minutesHackers target hardware vulnerabilities in networks, but you can take proactive steps to prevent attacks. By Amy Larsen DeCarlo Hackers naturally gravitate toward the most vulnerable points on an enterprise to breach. The network, which by its nature requires a degree of openness to allow traffic to traverse it, is one of most attractive targets, with ample hardware vulnerabilities to
Reading Time-approximately: 4 minutesA MAC address and an IP address each identify network devices, but they do the job at different levels. Explore the differences between the two and learn why both are necessary. By John Burke and Chris Partsenidis Every computer or device on the internet has two types of addresses: its physical address and its internet address. The physical address —
Reading Time-approximately: 4 minutesWireless LAN integration means upgrading wired networks with new equipment and traffic prioritization to avoid bottlenecks between the networks and provide QoS for wireless multimedia applications, including WLAN voice and video. By Lisa Phifer In the first part of this series, we discussed how to make the business case for integrated wired and wireless LANs. In this tip, learn how to
Reading Time-approximately: 4 minutesMany installers make the mistake of treating 802.11 WLANs just like Ethernet, placing access points (APs) in locations that facilitate outsider access to corporate networks. By Tekmart Enterprise Hardware Support But, from a security perspective, WLANs should be treated like the Internet — a network composed of trusted and untrusted users. This tip offers network topology and physical positioning recommendations
Reading Time-approximately: 3 minutesAlthough a router, switch and hub all help direct network traffic, the devices transmit packets in different ways. Discover the differences among these network devices. By Andrew Froehlich While routers, switches and hubs are all network devices, they all serve different purposes. A network hub is a node that broadcasts data to every computer or Ethernet-based device connected to it. A switch
Reading Time-approximately: 3 minutesEven though they have common traits, there is a difference between a Layer 3 switch and a router. Each plays a key role in making sure packets get sent to their proper destination. By Andrew Froehlich To determine the difference between a Layer 3 switch and a router, it’s helpful to understand how routing works in an enterprise network. Routing
Reading Time-approximately: 8 minutesNetwork design tools help architects map out the company infrastructure but only with the right product. Explore these eight vendors and their tools to make the right buy. By Andrew Froehlich Network architects must have the right tools on hand to create a manual network diagram. While automated tools can dynamically build maps of existing network infrastructures, architects use vector graphic tools
Reading Time-approximately: 2 minutesAnnual survey of IT leaders finds network security is of prime concern as most companies continue with work-from-home policies. By Joe O’Halloran As lockdowns and stay-at-home orders persist, protecting the remote workforce will be enterprises’ prime focus in 2021. But as enterprises continue working remotely with very few making a complete return to the office, securing the remote workforce is
Reading Time-approximately: 4 minutesNetwork visibility is an awareness of the components within and the data moving through an enterprise computer network. The term is often used to refer to the various tools enterprises use to increase awareness of their data and other network contents. Posted by: Margaret Rouse WhatIs.com Contributor(s): Ben Lutkevich Taking a proactive approach to network visibility allows enterprises to better monitor network
Reading Time-approximately: 3 minutesA remote access VPN connects remote users from any location to a corporate network. A site-to-site VPN, meanwhile, connects individual networks to each other. By Paul Kirvan and Lisa Phifer Remote working has become pervasive in business processes. While remote work, or teleworking, has been around for years — and the technology has become largely standardized — its importance to
What is COVID-19?
On 31 December 2019, the World Health Organization (WHO) reported a cluster of pneumonia cases in Wuhan City, China. ‘Severe Acute Respiratory Syndrome Coronavirus 2’ (SARS-CoV-2) was confirmed as the causative agent of what we now know as ‘Coronavirus Disease 2019’ (COVID-19). Since then, the virus has spread to more than 100 countries, including South Africa.
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