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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...

Comprehensive Hardware Support Not Supported Access Switches 37xx, 36xx, 35xx, 29xx Enterprise and Aggregation/Edge Cisco IOS Software Release 12.2S Cisco 7200/7500, 7300 Series Cisco 4500, 10000, 7600 Series ASIC Cisco Catalyst 6500 Core Release 12.0S/Cisco IOS-XR Cisco 12000 Series ASIC...

IP Service Level Agreement (IP SLA):performs specific operationfrom a specific source to a specific destinationlike, icmp, http, tcp, udp, etc..logs statistics about the successes/failures of that operation Enhanced Object Tracking (SLA Track): monitors the statistics of IP SLAperforms an...

SYStem LOGgings (Syslog):stay aware of 'everything'know all what is happening behind the scenes (or even in front of)starts from the obvious information up to 'Emergency'Server/Client Relationship Server can be a Normal Server that collects all the loggingsServer can use the 'Syslog' or...

IP Services: Network Time Protocol (NTP):have to stay synchronizedgive a precise information, with real timing and dateeither by setting an inner clock manuallyor asking someone to inform about timinguses UDP = 123 each network device can either be a Server or a ClientStratum is needed: how...

Link State Advertisements (LSA's): multiple typesdepends on the advertisement they are doing LSA Type.1 (Router LSA): investigates local OSPF connectionsLSA Type.2 (Network LSA): investigates local OSPF connections for a DRLSA Type.3 (Network Summary LSA): for ABR to reach links in AreasLSA...

3 วิธีการ Migrate Server ไปยัง Cloud ได้อย่างง่ายดาย!: blog.cloudhm.co.th/migrate-to-cloud Terminal Server / Remote Desktop Services (RDS) vs Virtual Desktop Infrastructure (VDI) แตกต่างกันอย่างไร?: blog.cloudhm.co.th/terminal-server-rds-vs-vdi 3 Copies - 2 Medias - 1 Offsite Backup Rule...