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Begin Your Networking Profession with Cisco U.

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Begin Your Networking Profession with Cisco U.


Specialists weigh in: Why does “Again to Fundamentals” matter on your profession?

In the event you may return to the start of your profession, what would you do otherwise? It’s a thought-provoking query that many seasoned professionals usually mirror on. For these simply beginning out within the tech world—or these seeking to refresh their information—this query holds the important thing to constructing a robust profession basis.

This month, Cisco U. is embracing the theme of “Again to Fundamentals” by specializing in important coaching paths just like the CCNA Studying Path. These assets are designed to assist learners construct the talents they should succeed, whether or not they’re getting into the tech business for the primary time or strengthening their foundational information.

On this weblog, you’ll hear from Cisco consultants who share their insights into which studying paths they’d prioritize in the event that they had been beginning their careers right this moment—and why these foundational steps are so essential.

Who’re the Cisco consultants?

To deliver you one of the best recommendation, we’ve gathered insights from three skilled Topic Matter Specialists (SMEs) at Cisco who’ve constructed profitable careers within the tech business.

Meet Kyle Winters

A tall man with light skin wearing a Cisco polo shirt stands next to a TV screen that contains text about DevNetA tall man with light skin wearing a Cisco polo shirt stands next to a TV screen that contains text about DevNet
Kyle Winters at Cisco Stay 2019
  • Function: Technical Advocate, Cisco
  • Background: Kyle has over a decade of expertise spanning community safety, enterprise improvement, and technical advertising. He’s earned a number of Cisco certifications and has been acknowledged with prestigious awards just like the Cisco Stay Distinguished Speaker Award.

Kyle’s profession has taken him from startups to enterprise roles, giving him a complete view of the tech panorama.

Meet Francois Caen

A light-skinned man with a brown goatee wearing a red polo shirt holds a bunch of cordsA light-skinned man with a brown goatee wearing a red polo shirt holds a bunch of cords
Francois Caen within the early days of his networking profession
  • Function: Technical Product Supervisor, Be taught with Cisco
  • Background: With 20 plus years of community engineering expertise, Francois is a printed creator and an skilled in programmability and automation. He now focuses on creating cutting-edge coaching for Cisco prospects and companions.

Francois has a ardour for educating and enjoys serving to learners break down complicated matters into manageable steps.

Meet Chuck Stickney

  • Studying Engineering Chief, Cisco
  • Background: Chuck has greater than 20 years of expertise, 18 at Cisco, in networking and enterprise improvement.

With a college-aged youngster who’s now contemplating the cybersecurity area as a profession, Chuck has a private curiosity in what newcomers ought to deal with.

What do Cisco consultants advocate for beginning a networking profession?

Kyle’s suggestions: The place to start out with networking

Why it issues: This 14-hour studying path offers foundational information of key ideas, protocols, administration methods, and safety that underpin community techniques. It’s good for these with basic IT expertise seeking to specialise in networking.

  • Kyle’s recommendation: “Begin small, however keep constant. Construct a robust basis, don’t rush by way of materials simply to earn a cert, and all the time search for methods to use what you’re studying by way of labs, initiatives, or volunteer work. Even small wins stack up.”
  • Further suggestion for newbies: Kyle recommends the Networking Fundamentals course on Cisco Networking Academy for a extra holistic introduction to networking ideas.

Francois’s suggestion: Deal with subnetting first

  • Key course: Introducing the TCP/IP Web Layer, IPv4 Addressing, and Subnets, a part of the Cisco U. CCNA Studying Path.

Why subnetting is necessary in networking: Subnetting is a foundational talent crucial for any networking skilled. Although Francois concedes it might not be essentially the most thrilling matter, it’s important for understanding IP addressing and community design.

  • Francois’s recommendation: “Eat the greens first, save the steak for later. Subnetting might not be enjoyable, however it’s completely obligatory.”
  • Profession perception: Francois encourages learners to pursue networking if they’re naturally curious. “In the event you’re the kind of one that opened your toys with a screwdriver to see how they labored, networking might be a rewarding area. Curiosity is vital to staying motivated on this ever-evolving business.”

Chuck’s suggestion: Begin with Cisco Licensed Assist Technician (CCST) content material

A stable understanding of community fundamentals and hands-on expertise is important, starting with incomes the CCST certification, then continuing to earn the Cisco Licensed Community Affiliate (CCNA) certification.

  • “CCNA has been the minimal baseline for many years,” Chuck notes, “and we preserve the content material related to right this moment. From there you may proceed deeper into community infrastructure matters or if infrastructure will not be your factor—department out into associated areas like automation and cyber safety. We now have (free) NetAcad content material in these areas and likewise Affiliate coaching and certifications in these disciplines.”
  • Profession perception: “Constructing a cyber or automation skillset on high of a robust community basis will set you aside in your area!”

What do consultants say about tech studying?

All three consultants emphasize the significance of specializing in the basics when beginning your profession. Listed below are the important thing takeaways from their insights:

  1. Perceive the fundamentals first: Foundational information of networking ideas like subnetting, protocols, and safety is crucial for long-term success. Begin with CCST content material, then proceed into CCNA.
  2. From the CCNA, proceed into community infrastructure matters or department out into automation or cybersecurity.
  3. Be curious and adaptable: Networking is consistently evolving, and a curious mindset will assist you to keep engaged and motivated as you proceed to be taught.
  4. Certifications open doorways: Whereas understanding the fabric is extra necessary than dashing to earn certifications, having certifications just like the CCNA will help you exhibit your experience and advance your profession.

What closing recommendation do the Cisco U. consultants have?

To shut, right here’s some parting knowledge from our SMEs:

  • Kyle: “Don’t simply deal with incomes certifications—deal with actually understanding the fabric. Employers worth adaptability and the power to be taught over memorization.”
  • Francois: “Keep curious. Networking requires steady studying, and your curiosity will preserve you engaged and motivated as you develop in your profession.”
  • Chuck: “The sector could be very wide-open now, with no one-size-fits-all; nevertheless, all the pieces is constructed on the community.”

By specializing in the proper foundational expertise, you’ll set your self up for long-term success within the tech business.

Prepared to start your networking coaching?

Cisco U. is right here to help you each step of the best way. Discover all of our “Again to Fundamentals” content material right this moment and begin constructing the inspiration for a profitable profession in networking.

Go on. Take step one towards attaining your profession targets with Cisco U.

Join Cisco U. | Be a part of the  Cisco Studying Community right this moment totally free.

Be taught with Cisco

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Use  #CiscoU and #CiscoCert to hitch the dialog.

Learn subsequent:

Educating Tomorrow’s Tech Workforce: A New Map for AI-Period Abilities

5 Causes Why Community Safety Coaching Ought to Be Your Subsequent Transfer

5 Empowering Ideas for ICT Profession Success

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ios – Switching tab and pushing to NavigationStack doesn’t present new View

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ios – Switching tab and pushing to NavigationStack doesn’t present new View


I’ve a TabView with two tabs (FirstTab and SecondTab).

From the primary tab, I need to programmatically swap to the second tab after which instantly push a element display contained in the second tab’s NavigationStack.

I wrote a simplified instance:

struct FirstTab: View {
    var onNavigate: (String) -> Void

    var physique: some View {
        VStack {
            Textual content("FirstTab")

            Button("Go to SecondTab") {
                onNavigate("Whats up from FirstView")
            }
        }
    }
}


class SecondTabViewModel: ObservableObject {
    @Printed var textToShow: String? = nil
}

struct SecondTab: View {
    @ObservedObject var viewModel: SecondTabViewModel
    @State non-public var path = NavigationPath()

    var physique: some View {
        NavigationStack(path: $path) {
            VStack {
                Textual content("SecondTab")
            }
            .navigationDestination(for: String.self) { worth in
                DetailView(textual content: worth)
            }
            .onChange(of: viewModel.textToShow) { oldValue, newValue in
                print("onChange SecondTab textual content: (String(describing: newValue))")
                if let newValue = newValue, newValue != oldValue {
                    print("Pushing DetailView with: (newValue)")
                    path.append(newValue)
                }
            }
        }
    }
}

struct DetailView: View {
    let textual content: String

    var physique: some View {
        VStack {
            Textual content("DetailView")

            Textual content("Textual content: (textual content)")
        }
    }
}

struct ContentView: View {
    @State non-public var selectedTab = 0
    @StateObject non-public var secondVM = SecondTabViewModel()

    var physique: some View {
        TabView(choice: $selectedTab) {
            FirstTab { textual content in
                print("Closure referred to as with textual content: (textual content)")
                selectedTab = 1 // swap tab
                DispatchQueue.foremost.asyncAfter(deadline: .now() + 1) {
                    secondVM.textToShow = textual content
                }
            }
            .tabItem { Label("First", systemImage: "1.circle") }
            .tag(0)

            SecondTab(viewModel: secondVM)
                .tabItem { Label("Second", systemImage: "2.circle") }
                .tag(1)
        }
    }
}

The problem :

  • The closure is appropriately referred to as once I faucet the button in FirstTab.
  • The tab switches to SecondTab.
  • I anticipate the DetailView to mechanically push within the NavigationStack.

However nothing seems – onChange is named, however no push happens.

If I wrap the textToShow inside a DispatchQueue.foremost.asyncAfter (e.g. 0.1 seconds), it really works.

Instance of the workaround:

FirstTab { textual content in
    print("Closure referred to as with textual content: (textual content)")
    selectedTab = 1 // swap tab
    DispatchQueue.foremost.asyncAfter(deadline: .now() + 1) {
        secondVM.textToShow = textual content
    }
}

However this looks like a hack.

Why doesn’t the navigation push (path.append) work when switching tabs instantly?

Is there a beneficial, clear manner in SwiftUI to vary tab after which push a vacation spot in that tab’s NavigationStack?

Ought to I be utilizing a distinct navigation method (e.g. Coordinator, Observable shared state)?

UAE knowledge middle brings enhanced e mail safety to area

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UAE knowledge middle brings enhanced e mail safety to area


In response to speedy buyer progress and growing demand for in-region companies, we’re excited to announce the launch of a brand new Center East area for E-mail Menace Protection with the opening of our United Arab Emirates (UAE) web site. This native presence allows sooner menace detection, lowered latency, and a extra seamless expertise for patrons throughout the area. The UAE web site provides the total vary of e mail safety capabilities out there in our current areas and advantages from our iterative, incremental characteristic supply mannequin—whereas sustaining our rigorous requirements for safety, reliability, and knowledge privateness.

Cisco Secure Email Threat Defense region map. Regions include: North America, Europe, UAE, India, and Australia.Cisco Secure Email Threat Defense region map. Regions include: North America, Europe, UAE, India, and Australia.

As a part of our ongoing dedication to safety and compliance, E-mail Menace Protection is proud to be licensed for ENS Excessive and is actively pursuing extra certifications, together with ISO 27017, ISO 27018, and C5. These efforts construct on our current SOC 2 and ISO 27001 certifications, reinforcing our dedication to the very best requirements of knowledge safety and privateness.

E-mail Menace Protection analyzes practically 100 million emails daily, leveraging AI to guard 1000’s of consumers from the newest threats. Backed by over 20 years of expertise within the e mail gateway house, we’re bringing the following wave of innovation to e mail safety. Launching later this 12 months, our enhanced E-mail Menace Protection platform unifies a number of deployment modes right into a single, versatile answer providing pre-delivery menace prevention, post-delivery remediation by way of APIs, and full visibility throughout all instructions of e mail, multi function streamlined console, out there globally.

With the addition of our new UAE area, E-mail Menace Protection now operates in 5 areas globally increasing our attain whereas sustaining trusted, enterprise-grade safety in all places we serve. Along with offering in-region protection, we’re enhancing our detection capabilities to account for the distinctive linguistic nuances of the Center East. These refinements are actively being developed as we observe and reply to extra region-specific focused threats.

This launch within the UAE highlights Cisco’s dedication to empowering organizations with sturdy, scalable, and good e mail safety options that stand as much as the ever-changing menace panorama. By utilizing Cisco Safe E-mail Menace Protection, companies within the UAE can shield their communications, safeguard delicate knowledge, and preserve their operations operating easily with confidence.

Are you a buyer? Entry the UAE web site portal.

Wish to study extra about being an E-mail Menace Protection buyer? Begin your free trial immediately!

We’d love to listen to what you assume! Ask a query and keep linked with Cisco Safety on social media.

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Understanding the code modernization conundrum

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Understanding the code modernization conundrum


Like many giant enterprises, we should navigate the wonder and chaos of legacy code. In our case, a long time of SQL procedures and enterprise logic that underpin a platform able to dealing with over 3 million concurrent customers and a whole lot of micro code deployments per week. It’s a posh machine. Contact one half, and also you danger breaking 10 others. That’s why modernizing the codebase is each a technical problem and a human one. It requires empathy, belief, and the power to make knowledgeable guesses.

Contained in the Innovation Engine

At bet365, the platform innovation perform was established to impress risk. We’re a small, specialised group charged with exploring rising and future applied sciences. Our intention is to determine the place they will have the best influence, and assist the broader group perceive find out how to use them meaningfully.

We’re enablers and ambassadors for change. Our work spans the whole lot from product improvement and cybersecurity to the way forward for the workforce. Our guiding mannequin is McKinsey’s Three Horizons of Development reimagined for innovation. Horizon 1 focuses on what we are able to implement in the present day. Horizon 2 explores what’s coming subsequent. Horizon 3 dares us to think about the longer term nobody is speaking about but.

This framework helps us steadiness ambition with pragmatism. It creates area to experiment with out shedding sight of operational worth, and it ensures our builders, architects, and stakeholders are all a part of the identical dialog.

When GenAI Met Builders

When GPT-4 dropped in 2023, the whole lot modified. Like most within the tech world, we have been fascinated. Generative AI supplied a tantalizing imaginative and prescient of the longer term crammed with quicker insights, on the spot summaries, and automatic refactoring. However the pleasure shortly gave strategy to doubt. We handed very succesful builders a robust LLM and stated, “Go for it.” The outcomes have been combined at finest.

They inserted code into the immediate home windows, stripped out context to save lots of area, and hoped the AI would perceive. It didn’t. Builders have been confused, pissed off, and, understandably, skeptical. They noticed the AI as a shortcut, not a associate, and when the output didn’t match expectations, frustration adopted. Many requested the identical query: “Why am I asking a machine to write down code I may simply write myself?”

What we realized was profound. The issue wasn’t the AI. It was the connection between the AI and the individual utilizing it. We had assumed that talent in software program engineering would robotically translate to talent in immediate engineering. It didn’t. Did we miss one thing? The purpose we couldn’t overlook was through the train, our builders have been finishing the duties persistently round 80% of estimated time. There was positively one thing right here. We simply weren’t positive what it was.  So, we went again to fundamentals.

Vibe Coding and the Limits of Belief

There’s a brand new time period in developer tradition: “vibe coding.” It’s the place you throw a bit of code at an LLM, get a response, tweak it, throw it again. Iterate quick. Ship quicker. It’s fashionable. It’s seductive. But it surely isn’t danger free.

With out a clear understanding of intention or context, vibe coding can shortly change into a recreation of trial and error. And when your system is as advanced as ours – many databases processing 500,000 transactions a second – “trial and error” isn’t adequate. We would have liked greater than vibes. We would have liked imaginative and prescient.

Context Over Content material

The turning level got here once we realized the true job wasn’t instructing AI find out how to write higher code. It was instructing people find out how to talk with AI. We realized a brand new mantra: intention + context + element. That’s what the AI wants. Not simply content material. Not simply “repair this perform.” However: “Right here’s what this code does, right here’s why it issues, and right here’s what I want it to change into.” This perception is essential.

Our builders, particularly these tackling essentially the most advanced, interdependent issues, tailored shortly. They have been used to considering deeply, offering rationale, and navigating ambiguity. They obtained it. They fed the AI what it wanted. They flourished. The distinction was mindset. We got here to name this phenomenon “the unreliable narrator.” Not simply the AI, however the developer. As a result of usually, the issue wasn’t that the machine obtained it unsuitable. It was at instances that we weren’t clear on what we have been asking.

RAG, GraphRAG, and the Energy of Grounded Context

To construct dependable, human-aligned AI assist we wanted a strategy to floor what the AI was seeing in truth. That’s the place we noticed the facility of Retrieval-Augmented Technology (RAG). RAG permits an AI mannequin to retrieve related context from an exterior supply – like documentation, system metadata, or a data base – earlier than producing a response. It’s quicker to implement and extra versatile than fine-tuning, making it excellent for dynamic, domain-intensive environments like ours. Builders can replace the data base with out retraining the mannequin, preserving outputs present and grounded.

However RAG has its limits. When a query spans a number of methods or requires reasoning throughout disconnected items of knowledge, conventional RAG, which is predicated on textual content similarity, begins to falter. That’s why we turned to GraphRAG, a extra superior strategy that makes use of a data graph to reinforce LLM outputs.

A data graph doesn’t simply maintain info, it encodes relationships. It captures how elements work together, the place dependencies lie, and what may break for those who change one thing. GraphRAG makes use of this construction to reinforce prompts at question time, giving the AI the relational context it must reply with precision. That is very true in environments the place accuracy is essential, and hallucinations are unacceptable.

As a real-world train, we checked out our SQL server property. We wished to construct a system that we may use to realize worthwhile perception on how the system works.

To construct it, we began by parsing all our database objects together with tables, views, procedures, capabilities, and many others. into summary syntax timber (ASTs). Utilizing Microsoft’s ScriptDOM, we extracted key info and used them to assemble the preliminary data graph. We overlaid this with pure language descriptions to additional clarify what every aspect did, and added runtime statistics like execution frequency, CPU time, and skim volumes.

The consequence was a wealthy, relational illustration of our SQL property, full with contextual insights about how objects are consumed and the way they work together. Then we surfaced this intelligence to builders via three core instruments:

  1. A chatbot that lets customers question the system in plain language
  2. A visualiser that renders a 3D map of dependencies and relationships
  3. A Cypher executor for superior graph querying and evaluation

What’s vital to notice is that many of the system’s worth lies within the graph, not the mannequin. The AI doesn’t must know the whole lot. It simply must know the place to look, and find out how to ask the precise questions. That’s the facility of grounding.

For us, GraphRAG wasn’t only a nice-to-have, it turned important. It helped us transfer from generic code help to one thing way more worthwhile: a system that understands what our code means, the way it behaves, and what it impacts.

We’re not simply writing code anymore. We’re curating it. We’re shaping the intentions behind it. Our builders now have tooling to realize additional perception to change into code reviewers, system designers, and transformation brokers at an skilled stage throughout large division spanning architectures. All from a easy interface permitting pure language inquiries That’s the true shift. The long run isn’t about AI doing our jobs. It’s about reimagining what the job is.

The success of our code modernization program has little to do with algorithms and the whole lot to do with perspective. We needed to unlearn previous habits, rethink our relationship with code, and embrace a tradition of curiosity. We needed to cease asking AI for solutions and begin giving it the precise questions. The expertise was the straightforward half. The individuals half, now that was the true breakthrough.

Globally, over 2.5 million COVID deaths prevented worldwide because of vaccines – NanoApps Medical – Official web site

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Globally, over 2.5 million COVID deaths prevented worldwide because of vaccines – NanoApps Medical – Official web site


Due to vaccinations towards SARS-CoV-2 within the interval 2020–2024, 2.533 million deaths have been prevented on the international degree; one dying was prevented for each 5,400 doses of vaccine administered.

Some 82% of the lives saved by vaccines concerned folks vaccinated earlier than encountering the virus, 57% through the omicron interval, and 90% concerned folks aged 60 years and older. In all, vaccines have saved 14.8 million years of life (one 12 months of life saved for 900 doses of vaccine administered).

These are a few of the knowledge launched in an unprecedented research printed within the journal Jama Well being Discussion board and coordinated by Prof. Stefania Boccia, Professor of Basic and Utilized Hygiene at Università Cattolica, with contributions from Dr. Angelo Maria Pezzullo, researcher generally and utilized hygiene, and Dr. Antonio Cristiano, a medical resident in hygiene and preventive medication.

The 2 researchers spent a interval at Stanford College, collaborating straight with the group of Professor John P.A. Ioannidis, director of the Meta-Analysis Innovation Heart (METRICS), within the context of the mission “European community employees eXchange for integrAting precision well being within the well being Care sysTems- ExACT.”

Professor Boccia and Dr. Pezzullo clarify, “Earlier than ours, a number of research tried to estimate lives saved by vaccines with totally different fashions and in numerous durations or components of the world, however this one is essentially the most complete as a result of it’s based mostly on worldwide knowledge, it additionally covers the omicron interval, it additionally calculates the variety of years of life that was saved, and it’s based mostly on fewer assumptions concerning the pandemic development.”

The consultants studied worldwide inhabitants knowledge, making use of a collection of statistical strategies to determine who among the many individuals who grew to become sick with COVID did both earlier than or after getting vaccinated, earlier than or after the omicron interval, and what number of of them died (and at what age).

“We in contrast this knowledge with the estimated knowledge modeled within the absence of COVID vaccination and have been then in a position to calculate the numbers of people that have been saved by COVID vaccines and the years of life gained on account of them,” Dr. Pezzullo explains.

It additionally turned out that a lot of the saved years of life (76%) concerned folks over 60 years of age, however residents in long-term care amenities contributed solely 2% of the whole quantity. Kids and adolescents (0.01% of lives saved and 0.1% of life years saved) and younger adults aged 20–29 (0.07% of lives saved and 0.3% of life years saved) contributed little or no to the whole profit.

Professor Boccia concludes, “These estimates are considerably extra conservative than earlier calculations that targeted primarily on the primary 12 months of vaccination, however clearly display an necessary total profit from COVID-19 vaccination over the interval 2020–2024.

“Many of the advantages, by way of lives and life-years saved, have been secured for a portion of the worldwide inhabitants who’re usually extra fragile, the aged.”

Extra info: International Estimates of Lives and Life-Years Saved by COVID-19 Vaccination Throughout 2020-2024, JAMA Well being Discussion board (2025).

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