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The key difference between hubs, switches and bridges is that hubs operate at Layer 1 of the OSI model, while bridges and switches work with MAC addresses at Layer 2 of the OSI model.
As IT departments struggle with skills gaps and businesses attempt to recovery economically from the COVID-19 pandemic, these 10 IT skills are essential to drive success. Job roles in these areas pay well, but decision-makers are struggling to find qualified candidates. If you’re looking to make an IT skills investment or start a new career path this year, these are the areas to consider.
The recent Red Hat Enterprise Linux (RHEL) 7.1 release offers a range of system-wide improvements. Whether you're new to RHEL or a veteran user, this white paper covers essential new tools and upgrades. Dynamic patching, in-place upgrades, easily configuring new deployments or monitoring entire systems represent some of the more significant changes. This white paper not only explores the significance of these modifications, it also provides useful examples, including diagrams and command lines for executing key tasks. RHEL 7.1 represents the first minor release of RHEL 7, which launched in June 2014 and will be supported for a 10-year life cycle.
Red Hat Taste of Training - JB248
Red Hat Taste of Training - JB348
Change is the order of the day, and if anything, the pace of business and technology change is accelerating. The business and customers are looking to IT service providers to be more responsive, delivering more frequent service changes with higher quality-resulting in services that deliver more value to the business. In order to continue to be relevant and of high value, ITIL must continue to benefit from other complementary best-practices for IT. DevOps, an approach that encourages improved communication, collaboration, and teamwork across development and operations, can have a positive influence in improving ITIL processes across the service life-cycle.
Nowadays, you can read weekly articles about security attacks and stolen data. Even leading companies and organizations are victims of cybercrime. Attacks can include breaches at three levels: the physical level, which includes social engineering, system and network and applications (e.g., web and mobile). In this complimentary webinar, you will discover the benefits of using automated solutions to detect application vulnerabilities, provide steps to remediate them and avoid costly compliance violation.
Like it or not, Internet of Things (IoT) is upon us. There are a number of factors that will impact its adoption rate, and the inevitable privacy (or lack of) discussions will likely happen sooner than later. This is going to change the world as we know it, in many cases for the better. But we will need to keep an eye on the extent to which it invades our personal lives if it is going to be the positive force it has the potential to be.
The process of learning how to subnet IP addresses begins with understanding binary numbers and decimal conversions along with the basic structure of IPv4 addresses. This paper focuses on the mathematics of binary numbering and IP address structure.
Cloud computing enables development teams to get applications into production faster. IT Service Management (ITSM) leaders must adopt new strategies and change existing processes or risk becoming a barrier to success. Cloud computing requires DevOps-the blending of development and operations with the goal of accelerating time-to-market and reducing time-to-value. The good news is that ITIL® is uniquely positioned to accelerate DevOps, but it requires changes to existing ITSM processes.