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Tell Me About a Challenge or Conflict You've Faced at Work, How You Dealt With It? From my experience my colleague is under-performance. I generally explained how missed deadlines affected the performance of the team that although the quality of his work was great the lack of consistency was...

KubeOps Skills Bring Docker to the World Docker Workshop สอน Free Old school Way: On the day of deployment, the code may crash. What is Container?:Help packaging application's code: helps to bundle an application's code together with the related configuration files and libraries, and with the...

สรุป PROEN Any Cloud ก็จะมี Solution ที่จะช่วย 3 ด้านด้วยกัน: เวลา: เราจะทำให้การ Develop ง่ายขึ้น การ Deployment, Provisioning เร็วขึ้น ด้วย CI/CD หรือว่า GUI ของเรา ความซับซ้อน: Infrastructure ทุกที่เป็น Standard เพราะ Cloud ของเราสามารถยืดไปยัง Public หรือ Private Cloud ไหนก็ได้...

SD-WAN: Networking Zero to Expert - The Tools Used by Experts in Their Day-to-day Operations VMware SD-WAN อยู่ใน Leader ของ Gartner Magic Quadrant ของ WAN Edge Infrastructure มาตั้งแต่ปี 2561 จนถึงปัจจุบัน ข้อดีของ VMware SD-WAN: สามารถจัดการ WAN ได้ง่าย: Zero-touch Deployment...

https://www.python.org/ftp/python/3.8.0/python-3.8.0-amd64.exe c:PythonPython38>python Python 3.8.0 (tags/v3.8.0:fa919fd, Oct 14 2019, 19:37:50) [MSC v.1916 64 bit (AMD64)] on win32 >>> print("Hello World") Hello World >>> #This is a comment ... >>> my_devices = "router switch accesspoint" >>>...

Network Automation: Overview of Software Defined Networking (SDN): Distributed Control PlaneAPI SouthBound Interfaces (SBI)Centralized Control PlaneOpenFlowNorthBound Interfaces (NBI)RESTful APIsJSON Cisco SDN Controllers:Cisco Application Policy Infrastructure Controller (APIC): The SDN...

Media access control Security (MacSec):IEEE 802.1AELayer 2 protocolConfidentiality and integrity over Ethernet Wired equivalent of WPA/WPA2 protectionMore viable option than IPsec everywhere128-bit AES-GCM encryption Only encrypted between MACsec peersInternally on a switch, traffic is...

EAP-FAST (Flexible Authentication via Secure Tunnel):Created by Cisco as a PEAP alternativeFaster re-authenticationFaster wireless roamingUses Protected Access Credentials (PACs) Web-based Authentication (WebAuth):No client software is required, making this a more flexible authentication...

จะดีกว่ามั้ยครับ ถ้าฝั่ง Back-end ไม่ต้องเสียเวลาในการเขียน Program เพื่อเรียก Microservice Kong เป็น Open Source ที่ทำหน้าที่บริหารจัดการ Application Programming Interface (API) หรือที่เรียกกันว่า API Gateway ที่สามารถ Scale ได้ง่าย, มีประสิทธิภาพ และมีความปลอดภัยสูง ทำไมต้องมี API Gateway...

By default, a Cisco IOS SPAN configuration will monitor both transmitted and received traffic on a selected interface. Other options can be selected during configuration if there are specific needs, using the keywords 'rx' (only monitor received traffic) or 'tx' (only monitor transmitted...

DTP modes of Trunk and Dynamic Desirable both initiate the formation of a trunk by sending DTP frames. The mode of Dynamic Auto will setup a trunk if it receives a DTP frame, but it doesn't initiate trunk formation. Also, Access mode prevents a trunk from being formed. As a result, the only two...

AWS API Gateway Overview: Example: Building a Serverless API: AWS API Gateway:AWS Lambda + API Gateway: No infrastructure to manageSupport for the WebSocket ProtocolHandle API versioning (v1, v2...)Handle different environments (dev, test, prod...)Handle security (Authentication and...

เรียนพื้นฐานของ Microsoft Azure Free! เตรียมตัวสอบ AZ-900 Azure Fundamentals How To Get Free Voucher for Microsoft Azure Fundamentals, AI Fundamentals, & Data Fundamentals Being a Microsoft developer is possible for anyone The Microsoft Cloud: Powering daily life around the planet Microsoft...

Generic Routing Encapsulation (GRE):Does not provide securityCan encapsulate nearly any type of data IP Security (IPsec):Provides: Confidentiality: EncryptionIntegrity: HashingAuthentication: PSKs or Digital SignaturesAnti-replay: Applies Serial Numbers to PacketsCan encapsulate unicast IP...

Data centers commonly use a Spine-Leaf design, where a leaf switch connects to multiple spine switches, such that the leaf switch can reach any other leaf switch by transiting a single spine switch. A Point-to-Multipoint design is commonly found in older wide area networks using Frame Relay or...

3 Categories of QoS:Not Strict: Best EffortLess Strict: DiffServStrict: IntServ Common QoS Mechanisms:Classification and MarkingQueuingCongestion AvoidancePolicing and ShapingLink Efficiency Wi-Fi MultiMedia (WMM):IEEE 802.1P markings map to WMM access categoriesAccess category determines...

Getting Started with WordPress, Kubernetes, and Apps Security IDC Report: Worldwide IT Industry 2020 Predictions IDC Report คาดการณ์ว่าภายในปีหน้า 2565, 70% ขององค์กรทั้งหมด จะมีการนำ Cloud มาใช้ — ทั้ง Public และ Private Cloud — โดยการ Deploy แบบ Hybrid/Technology Multicloud, Tool...

DevOps & DevSecOps Trend:https://trends.google.co.th/trends/explore?date=today%205-y&q=DevOps,DevSecOps,System%20Engineer Global DevOps Salary: Business in IT Industry:Idea > Dev > Ops > Sec > Money Ideal Development Cycle:Dev > Code > Ops & Sec > Feedback > Dev But Reality make Silo by The...

Cisco SD-WAN:Management & Orchestration Plane: vManage: User interfacevBond: Orchestration and provisioningContol Plane: vSmart: SD-WAN - Policy Enforcement Communicates via Overlay Management Protocol (OMP)Data Plane: Cisco vEdge: Edge...

Types of Backups:Full: Backs up all data.Differential: Backs up changes since last full backup.Incremental: Backs up all changes since last full, differential, or incremental backup.Snapshot: Backs up entire server, including state information. Hot Site:PowerHVACFloor SpaceServer Hardware (No in...