User contributions for Prairie

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30 November 2024

  • 19:2019:20, 30 November 2024 diff hist +5,267‎ N Leakage (Data Science) ‎ 새 문서: '''Leakage''' in data science refers to a situation where information from outside the training dataset is inappropriately used to build or evaluate a model. This results in overoptimistic performance metrics during model evaluation, as the model effectively "cheats" by having access to information it would not have in a real-world application. Leakage is a critical issue in machine learning workflows and can lead to misleading conclusions and poor model generalization. ==Types... current Tag: Visual edit
  • 19:0219:02, 30 November 2024 diff hist +4,866‎ N Ensemble Learning ‎ Created page with "'''Ensemble Learning''' is a machine learning technique that combines multiple models, often called "base learners," to create a more powerful predictive model. By aggregating the predictions of several models, ensemble methods improve accuracy, reduce variance, and mitigate overfitting. Ensemble learning is widely used in classification, regression, and anomaly detection tasks. ==Overview== Ensemble learning leverages the idea that combining multiple models can outperfo..." current Tag: Visual edit
  • 19:0019:00, 30 November 2024 diff hist +26‎ Boosting ‎No edit summary current Tag: Visual edit
  • 18:5818:58, 30 November 2024 diff hist +30‎ Boosting ‎No edit summary Tag: Visual edit
  • 18:5718:57, 30 November 2024 diff hist +4,332‎ N Boosting ‎ Created page with "'''Boosting''' is an ensemble learning technique in machine learning that focuses on improving the performance of weak learners (models that perform slightly better than random guessing) by sequentially training them on the mistakes made by previous models. Boosting reduces bias and variance, making it effective for building accurate and robust predictive models. ==Overview== The key idea behind boosting is to combine multiple weak learners into a single strong learner...." Tag: Visual edit
  • 18:5618:56, 30 November 2024 diff hist +76‎ PHP-FPM pm.min spare servers ‎No edit summary current Tag: Visual edit
  • 18:5418:54, 30 November 2024 diff hist +26‎ Bootstrap Aggregating ‎No edit summary current Tag: Visual edit
  • 13:5313:53, 30 November 2024 diff hist +4,396‎ N Bootstrap Aggregating ‎ Created page with "'''Bootstrap Aggregating''', commonly known as '''Bagging''', is an ensemble learning method designed to improve the stability and accuracy of machine learning models. It works by combining the predictions of multiple base models, each trained on different subsets of the data created through the bootstrap sampling technique. Bagging reduces variance, mitigates overfitting, and improves model robustness. == Overview == Bootstrap aggregating is built on two fundamental co..."

24 November 2024

  • 16:1616:16, 24 November 2024 diff hist +3,574‎ N Routing Table ‎ Created page with "'''Routing Table''' is a data structure used by routers to store and manage route information. It determines the best path for forwarding packets to their destination. Each entry in a routing table corresponds to a specific destination network and includes information about the next hop, metrics, and routing protocol. ==Overview== The routing table is a fundamental component of the control plane in a network. It is built and maintained by routing protocols or through man..." current Tag: Visual edit
  • 16:1516:15, 24 November 2024 diff hist +21‎ Longest Prefix Matching ‎No edit summary current Tag: Visual edit
  • 16:1016:10, 24 November 2024 diff hist +3,021‎ N Longest Prefix Matching ‎ Created page with "'''Longest Prefix Matching (LPM)''' is an algorithm used in networking to determine the best matching route for a given IP address. It is primarily employed in routing tables and forwarding tables to decide the next hop for packet forwarding. The "longest prefix" refers to the route entry with the most specific (longest) subnet mask that matches the destination IP. ==Overview== Longest Prefix Matching ensures that packets are routed along the most specific path available..." Tag: Visual edit
  • 16:0816:08, 24 November 2024 diff hist +3,098‎ N Forwarding Table ‎ Created page with "'''Forwarding Table''' is a data structure used by network devices, such as routers and switches, to determine the next hop or output interface for forwarding packets. It plays a crucial role in the data plane, enabling efficient and accurate packet forwarding based on precomputed rules. ==Overview== The forwarding table maps packet header information, such as destination IP addresses or MAC addresses, to specific output ports or next-hop devices. It is typically built u..." current Tag: Visual edit
  • 15:5815:58, 24 November 2024 diff hist +4,253‎ N Network Plane ‎ Created page with "'''Network Plane''' refers to the functional layers of a network architecture, each responsible for specific tasks in the operation and management of a network. These planes are essential to understanding and designing modern networks, particularly in the context of Software-Defined Networking (SDN) and traditional networking models. ==Overview== A network plane is a conceptual division that separates the functions of networking into distinct areas, enabling modularity a..." current Tag: Visual edit

13 November 2024

  • 23:4623:46, 13 November 2024 diff hist −2,967‎ TCP 윈도 사이즈 ‎ Redirected page to TCP 혼잡 윈도 current Tags: New redirect Visual edit
  • 23:4423:44, 13 November 2024 diff hist +3,175‎ N TCP 혼잡 제어 ‎ Created page with "'''TCP 혼잡 제어'''(TCP Congestion Control)는 TCP(Transmission Control Protocol)에서 네트워크 혼잡을 관리하고 데이터 손실을 줄이기 위한 메커니즘이다. 혼잡 제어는 네트워크 상태에 따라 전송 속도를 동적으로 조절하여 네트워크 자원의 효율성을 높이고, 혼잡으로 인한 성능 저하를 방지하는 데 중요한 역할을 한다. ==혼잡 제어 알고리즘의 주요 단계== '''혼잡 회피'''(Con..." current Tag: Visual edit
  • 22:0122:01, 13 November 2024 diff hist +3,024‎ N TCP 윈도 사이즈 ‎ Created page with "'''TCP Window Size''' '''TCP 윈도 사이즈'''는 TCP(Transmission Control Protocol)에서 송신 측이 수신 측의 확인 응답(ACK) 없이도 전송할 수 있는 데이터의 최대 크기를 나타낸다. 윈도 사이즈는 네트워크의 속도와 수신 측의 버퍼 용량에 맞춰 조절되며, 데이터 전송의 효율성과 네트워크 혼잡을 관리하는 데 중요한 역할을 한다. 수신 측은 자신의 윈도 사이즈를 송신 측에..." Tag: Visual edit
  • 21:3921:39, 13 November 2024 diff hist +2,760‎ N TCP 시퀀스 번호 ‎ Created page with "'''TCP 시퀀스 번호'''(TCP Sequence Number)는 TCP(Transmission Control Protocol)에서 데이터 패킷의 순서를 추적하고, 전송 중 손실된 데이터의 재전송 및 올바른 데이터 조립을 보장하기 위해 사용하는 숫자이다. 시퀀스 번호는 TCP 연결에서 매우 중요한 역할을 하며, 송신 측에서 전송하는 각 바이트에 고유한 번호를 할당한다. 수신 측에서는 이를 기반으로 패킷이 올바른..." current Tag: Visual edit
  • 11:3911:39, 13 November 2024 diff hist +4,080‎ N Apache AllowOverride ‎ Created page with "The '''AllowOverride''' directive in Apache HTTP Server is used to specify which types of directives can be overridden by `.htaccess` files in specific directories. By default, Apache uses configuration files like `httpd.conf` or `apache2.conf` for global settings, but `AllowOverride` enables web administrators to override these settings at the directory level using `.htaccess` files. This is particularly useful for shared hosting environments where users may need to man..." current Tag: Visual edit
  • 11:3711:37, 13 November 2024 diff hist +3,845‎ N Apache Require ‎ Created page with "The '''Require''' directive in Apache HTTP Server is used to control access to resources by specifying conditions that clients must meet to be granted access. The `Require` directive is commonly used for user authentication, IP-based access control, and group-based restrictions, enhancing the security and flexibility of web applications. ==Purpose of Require== The '''Require''' directive enables fine-grained access control by setting specific conditions. This can be usef..." current Tag: Visual edit
  • 11:3411:34, 13 November 2024 diff hist +3,243‎ N Apache AddType ‎ Created page with "The '''AddType''' directive in Apache HTTP Server is used to define or change the MIME (Multipurpose Internet Mail Extensions) type for specific file extensions. MIME types tell the browser how to handle files received from the server, such as rendering HTML, displaying images, or executing scripts. Setting the correct MIME type is essential for the server to communicate file handling instructions to the client. ==Purpose of AddType== The '''AddType''' directive helps in..." current Tag: Visual edit
  • 11:1211:12, 13 November 2024 diff hist +3,061‎ N Apache Options MultiViews ‎ Created page with "The '''Options Multiviews''' directive in Apache HTTP Server allows content negotiation by enabling the server to automatically select the best-matching file based on the client’s request. When enabled, the `Multiviews` option allows Apache to match and serve files with various extensions without requiring the full file name in the URL, improving flexibility in file handling and localization. ==Purpose of Options Multiviews== The '''Options Multiviews''' directive help..." current Tag: Visual edit
  • 11:1111:11, 13 November 2024 diff hist +2,289‎ N Apache Options Indexes ‎ Created page with "The '''Options Indexes''' directive in Apache HTTP Server configures the display of directory listings. When enabled, this option allows users to see a list of files in a directory if no default file (like `index.html` or `index.php`) is present. This can be useful for browsing available files, but it also presents security considerations, as it can expose sensitive information. ==Purpose of Options Indexes== The '''Options Indexes''' directive controls whether Apache wi..." current Tag: Visual edit

12 November 2024

  • 22:4322:43, 12 November 2024 diff hist +538‎ TCP 왕복 시간 ‎No edit summary current Tag: Visual edit
  • 22:1622:16, 12 November 2024 diff hist +26‎ TCP 왕복 시간 ‎No edit summary Tag: Visual edit
  • 22:1522:15, 12 November 2024 diff hist +3,324‎ N TCP 왕복 시간 ‎ Created page with "'''TCP 왕복시간'''(TCP RTT: Round Trip Time)는 TCP 연결에서 패킷이 송신된 후 수신자로부터 응답(ACK)을 받는 데 걸리는 시간을 의미한다. RTT는 네트워크 지연을 측정하는 중요한 요소로, TCP가 최적의 데이터 전송 속도를 유지하고, 패킷 손실을 최소화하는 데 필수적인 정보이다. TCP RTT는 네트워크 품질, 대역폭, 지연 요소에 따라 달라지며, 이를 통해 네트워크 혼잡을..." Tag: Visual edit
  • 22:0322:03, 12 November 2024 diff hist +109‎ TIME WAIT 상태 ‎No edit summary current Tag: Visual edit
  • 22:0222:02, 12 November 2024 diff hist +3,443‎ N TIME WAIT 상태 ‎ Created page with "'''Time Wait 상태'''는 TCP 연결이 종료된 후, 해당 연결의 포트 번호가 재사용되기 전까지 일정 시간 동안 유지되는 상태를 의미한다. 이 상태는 TCP/IP 프로토콜에서의 연결 종료 과정을 안전하게 마무리하고, 패킷 재전송으로 인한 문제를 방지하기 위해 사용된다. ==개요== TCP 연결은 송신자와 수신자가 모두 연결을 종료하는 과정을 거치며, 이를 통해 원활하고..." Tag: Visual edit
  • 21:2621:26, 12 November 2024 diff hist +2,829‎ N TIME WAIT state ‎ Created page with "The '''TIME_WAIT state''' is a crucial phase in the Transmission Control Protocol (TCP) that occurs after a connection has been terminated. This state ensures that all data packets have been properly transmitted and acknowledged, preventing potential issues from delayed packets in the network. ==Purpose of TIME_WAIT== 1. '''Preventing Delayed Packet Issues''': After a connection closes, packets that were delayed in the network might still arrive. The TIME_WAIT state ensu..." current Tag: Visual edit

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