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Cisco warns of Nexus switch security weakness

Cisco Nexus NS-OS software could be exploited to create a DOS attack.


smart city / internet of things

A tiny experimental optical chip can support downloads of 1,000 movies in a split second

Researchers have created a device that can greatly expand the raw data rate of existing optical networks while reducing the amount of hardware necessary.


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Top network skills to succeed in a post-coronavirus world

Network pros can be learning new skills during the pandemic to support shifting IT priorities.


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Wireless upgrades from Cisco, Aruba, Juniper aim at helping businesses reopen safely

Cisco, Aruba and Juniper are unwrapping packages aimed at helping organizations safely re-open as some Covid-19 restrictions ease


Quantum computing  >  A quantum processor radiates power.

Is quantum computing ready to leap into the real world?

While tech industry heavyweights strive for quantum supremacy, IDC’s latest research reveals the current state of quantum computing and explains why real-world applications are only a qubit away.


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How to find and remove broken symlinks on Linux

A symlink or "symbolic link" is a Linux file that simply points at another file. If the referenced file is removed, the symlink will remain but not indicate there's a problem until you try to use it. Here are some easy ways to find...


networking model

Cisco takes aim at supporting SASE

Cisco will upgrade and integrate access-control, networking and security products to address the goals of secure access service edge


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Sales of Ethernet switches and routers hit a 7-year low in Q1

COVID-19-related supply-chain issues, uncertainty undercut revenues from switches and routers.


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Cisco grabs ThousandEyes for network-intelligence technology

Cisco said it envisions embedding ThousandEyes technology in a variety of its products including its AppDynamics application performance, SD-WAN, WebEx and Meraki families.


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Career roadmap: Cloud engineer

The shift to the cloud has been so pervasive that it has left a lot of companies with a skills gap they are struggling to fill with professionals who have cloud experience. That makes it a great time to be a cloud engineer.


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SASE helps healthcare company pivot to support remote workers

TrialCard rolls out secure access service edge (SASE), which combines SD-WAN capabilities with network security services.


supercomputer / servers / data center / network

Fujitsu delivers exascale supercomputer that you can soon buy

Fujitsu has delivered all the components needed for a supercomputer in Japan that is expected to break the exaFLOP barrier when it comes online next year, and that delivery means that the same class of hardware will be available...


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Coronavirus pandemic highlights medical IoT security risks

With more of us connecting with our healthcare providers virtually during the coronavirus pandemic, hackers may find it more appealing to attack medical or hospital systems. Increased amounts of data due to telemedicine and medical...


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How NDR protects your network from cyberthreats

Three steps to finding a network detection and response product that prevents, detects, investigates, identifies, responds and mitigates cyberattacks.


collaboration / strategy / teamwork / transformation

Rethinking collaboration: 6 vendors offer new paths to remote work

With the need for efficient collaboration tools exploding in recent months, a variety of companies hope to refine how those tools work and what they can do. We look at six now pushing the envelope.