Reading Time-approximately: 3 minutesCRC-4 (Cyclic Redundancy Check 4) is a form of cyclic redundancy checking — a method of checking for errors in transmitted data — that is used on E1 trunk lines. By Rahul Awati Through multiplication and division processes, the CRC-4 bits sent in each SMF are compared to each other. If they match, the frame is considered error-free. Bit 1 is used for the
Reading Time-approximately: 7 minutesNetwork bandwidth is a measurement indicating the maximum capacity of a wired or wireless communications link to transmit data over a network connection in a given amount of time. By Andrew Froehlich and Kevin Ferguson Typically, bandwidth is represented in the number of bits, kilobits, megabits or gigabits that can be transmitted in 1 second. Synonymous with capacity, bandwidth describes data
Reading Time-approximately: 5 minutesA session key is an encryption and decryption key that is randomly generated to ensure the security of a communications session between a user and another computer or between two computers. By TechTarget Contributor Session keys are sometimes called symmetric keys because the same key is used for both encryption and decryption. The session key is used for only one session. It is then discarded, and
Reading Time-approximately: 7 minutesWrite endurance is the number of program/erase (P/E cycles) that can be applied to a block of flash memory before the storage media becomes unreliable. By Tekmart Africa Enterprise Support Team The Remaining Rated Write Endurance Threshold feature is supported on PCIe and SAS/SATA SSDs. The Remaining Rated Write Endurance Threshold feature provides added feature functionality in managing the threshold level
Reading Time-approximately: 2 minutesCustomer premises equipment (CPE) is telecommunications and information technology equipment kept at the customer’s physical location rather than on the service provider’s premises. By Katie Terrell Hanna Telephone handsets, cable TV set-top boxes and Digital Subscriber Line (DSL) routers are examples of CPEs. Connectivity is established through a carrier’s telecommunication circuit at a demarcation point, or demarc. The demarc point is typically a central office
Reading Time-approximately: 2 minutesLearn what five-nines availability means and discover the steps enterprises should take to make sure network services are fully accessible. By Chuck Moozakis Five-nines availability — or 99.999% — is the percentage of time a network component or service is accessible to a user in a given period, usually defined as a year. The migration from private networks to cloud
Reading Time-approximately: 5 minutesOut with the old, in with the new. The meaning of secure remote access, and how organizations achieve it, is changing. Here’s what you need to know. By Alissa Irei A solid secure remote access strategy can mitigate risk, improve user experience and lend a competitive edge in today’s enterprise. Craig Bird, managing director at U.K.-based managed services provider Connect
Reading Time-approximately: 6 minutesIn 2020, the pandemic threw the best-laid IT plans into chaos. As enterprises find their footing again, here are four network trends defining the second half of 2021. By Alissa Irei The COVID-19 crisis supercharged several major 2021 networking trends that appear poised to outlast the pandemic itself. As enterprises inch cautiously toward normalcy, organizations are pushing ahead with cloud,
Reading Time-approximately: 5 minutesThe diskpart is one of the oldest tools in the Windows operating system that handles a wide range of disk management jobs, such as assigning drive letters and deleting partitions. Courtesy Post: By SearchWindowsServer staff For basic disk operations on Windows systems, administrators can use diskpart, a command-line utility that remains useful for many different drive-related jobs more than 20 years
Reading Time-approximately: 4 minutesA smart PDU can help you monitor and manage power flow more efficiently than a traditional PDU. Here’s what you should consider before deciding whether to adopt. By Julia Borgini Power hardware for the data center provides admins with increased insight and management capabilities as it evolves. Smart power distribution units can optimize power management in data centers, but 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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