Reading Time-approximately: 3 minutesDemilitarized zone, network access control and VPN termination points are some of the on-premises components that need to be addressed in a remote work infrastructure. By David Jacobs At the onset of the COVID-19 pandemic, the stay-at-home orders came quickly and with minimal warning. Chances are you turned off the office lights, locked the door and headed home. Maybe you
Reading Time-approximately: 3 minutesEven though vendors refer to flash memory and conventional RAM — the main memory of your PC or server — as solid-state memory, these two memory types are significantly different. By Erin Sullivan and Rodney Brown When discussing flash memory vs. RAM, you might be inclined to lump them together based on their similarities. While both technologies are made up of solid-state
Reading Time-approximately: < 1 minuteA memory leak is the gradual loss of available computer memory when a program (an application or part of the operating system) repeatedly fails to return memory that it has obtained for temporary use. By Tekmart Enterprise Support As a result, the available memory for that application or that part of the operating system becomes exhausted and the program can no longer function. For a
Reading Time-approximately: 3 minutesNIC partitioning is a method of dividing a single physical Ethernet port into four partitions, or virtual ports, which enables administrators to conserve PCI Express (PCIe) slots in the physical host server. By Tekmart Africa Enterprise Support In addition, NIC partitioning allows administrators to dedicate bandwidth for VMs and associated applications and to apply QoS to the virtual ports, helping improve I/O
Reading Time-approximately: 3 minutesAs more employees work remotely and VPN use rises, VPN concentrators have become trendy. But what does a VPN concentrator do exactly, and how do you deploy one? By Terry Slattery Virtual private networks are encrypted tunnels that protect network communications from unauthorized access when the communications must cross untrusted networks, like the internet. VPN concentrators are one component that
Reading Time-approximately: 6 minutesExplore the best, most optimal architectures for intelligent storage and how these systems improve storage performance/utilization to help get more bang out of your data set buck. By Dan Sullivan Brute force has been the critical lever to achieving advances in storage technology for much of its history. Making storage devices bigger, faster and denser has worked well and will
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
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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