Outsourced network administration gaithersburg jobs

...relationships with certain key affiliates. Ideal candidate: Though no prior experience is necessary, an interest in the world of affiliate marketing, coupled with a strong drive for business growth, will set you apart. Good communication skills and the ability to build strong relationships with affiliates are essential. Please note that while generating leads and managing our whole affiliate network aren't part of your duties, assisting with certain specific affiliates certainly is. Interested candidates that can commit to these tasks are encouraged to apply. I look forward to our beneficial partnership. Just visit for more information....

...tokens between the buyer and the freelancer. · Points System: Tracks and awards points for successful order completion. · Collaboration Platform: Allows freelancers to collaborate, seek help, and create new requests. · Reward Distribution Algorithm: Calculates and distributes points and monetary rewards among freelancers. Benefits: · Decentralization: The DApp operates on a decentralized network, reducing the need for intermediaries. · Transparency: All transactions and interactions are recorded on the blockchain, ensuring transparency. T · Incentives: Points and monetary rewards serve as incentives for freelancers to provide quality services. For this project, I need UI components for order placement, Freelancer selection, Token e...

...target audience includes: - Young adults aged 18-24 - Professionals aged 25-34 - Parents aged 35-44 It is crucial to understand the interests and behavior of these demographics to effectively market to them. - Implementing affiliate tracking software for sales tracking and commission calculation. Required skills and experiences: - Proven experience in affiliate marketing and a strong network in the above-mentioned audience groups. - Proficiency in SEO and social media marketing. - Previous experience using affiliate tracking software. - Excellent communication skills and a keen understanding of digital marketing trends. This is an excellent opportunity for marketers eager to apply their skills in affiliate marketing and augment our website's influence. Sign up ...

I'm experiencing a "timeout error" with my server, and it also freezes completely daily. I can restart it, and it will work for a little while. I need someone that can troubleshoot the issue, and then, once they feel they have diagnosed and solved the issue, wait 3 days to see if the server goes down. After 3 days without errors, the project would be marked as completed. Please note that this is necessary, as I do not want temporary fixes. I have two websites on the server with little to no traffic. and are the only two WordPress websites that use this server.

after inputing email and password on my prestashop administration, nothing is happen, i don't get the administration dashboard

Need someone who has good experience with GNS3 - Currently GNS3 is working fine however I have a problem connected external device on my network to one of my routers Via SSH. Please READ project first before biding to avoid wasting time.

I am in need of an expert in Advanced Custom Fields PRO (ACF PRO) who has a profound knowledge of WordPress to customize my backend administration.

I am cur...currently dealing with a persisting issue on my Mac OS- I am unable to fully load a certain website. This issue is peculiar to my Mac alone as I can conveniently access the website on other devices using the same Wi-Fi network. Here are the pertinent details: * This issue persists with one specific website. * I have attempted to access the website using different browsers, but the problem remains. * The main issue is a loading problem. The website does not fully load when I attempt to access it as shown in the attached screenshot. I am therefore seeking an expert in network troubleshooting, particularly for MAC OS web-related issues. Ideal candidates should have substantial experience with MacOS and be able to recommend potential solutions or strategies to addr...

...professional who is experienced in configuring SSL on WHM servers. I am currently operating an Alma Linux server with Cpanel but can't access Cpanel as the SSL cert date is incorrect I need Let's Encrypt SSL set up *correctly* so all domains auto renew (as it has always been in the past) Therefore, I need a sharp and prompt freelancer specialised in the following: - Linux server maintenance and administration. - Efficient in managing WHM servers. - Solid experience and knowledge in SSL certificate procurement and installation. Particularly, Let’s Encrypt would be preferred. - Ability to ensure that all the websites are SSL secure following the correct installation. Candidates with prompt responses and proven track records in similar projects will be highly con...

We want to create a remote administration tool for Android devices(mobile as well as tablets etc.) Features of the program and more information can be provided to bidders.

...looking for an experienced network engineer/admin specializing in wireless networks for maintenance tasks. Key Responsibilities: - Establish a Site to Site Connection between two routers with different ISPs using IPSec, IP Tunnel not use third party VPN. Ideal candidate must have: - Extensive experience in wireless network management and maintenance - Skill in configuring firewalls and site-to-site using IPSec - IP Tunnel. - Knowledge in IPSec protocols - Proven track record of ensuring networks are running smoothly & efficiently. - Both end has Mikrotik (Hex) Routers. - Both end has different ISP's . - Site one has static public address and Site 2 has dynamic public address. - Target to communicate both networks ends so that share the data easily and connect ...

I am looking for a Python expert capable of undertaking a range of tasks. This role will involve tasks related to data analysis and visualization, web scraping and automation, as well as GUI development. Ideal Skills and Experience: - Extensive Python programming experience - Experience in data analysis and visualization - Exp...of undertaking a range of tasks. This role will involve tasks related to data analysis and visualization, web scraping and automation, as well as GUI development. Ideal Skills and Experience: - Extensive Python programming experience - Experience in data analysis and visualization - Experience with web scraping and automation - GUI development experience Issue there is a password protected network mapped drive where we need to write programatically usi...

...who can assist us with enhancing our commercial electricity system. The main task involves increasing the amperage from 400 to 600. Tasks to Be Completed: - Perform a detailed power system analysis to determine the scope and effects of the amperage increase. - Investigate the substation design, ensuring it can handle the amperage increase without impairing the stability and performance of the network. - Plan and adjust the protection and control schemes needed to ensure a safe and reliable amperage increase. Ideal Candidate: The ideal candidate for this project should have substantial experience in power system analysis, substation design, and designing protection and control schemes. Detailed knowledge of commercial electricity system modifications, particularly with regard to...

...who can assist us with enhancing our commercial electricity system. The main task involves increasing the amperage from 400 to 600. Tasks to Be Completed: - Perform a detailed power system analysis to determine the scope and effects of the amperage increase. - Investigate the substation design, ensuring it can handle the amperage increase without impairing the stability and performance of the network. - Plan and adjust the protection and control schemes needed to ensure a safe and reliable amperage increase. Ideal Candidate: The ideal candidate for this project should have substantial experience in power system analysis, substation design, and designing protection and control schemes. Detailed knowledge of commercial electricity system modifications, particularly with regard to...

I'm seeking an interested individual to join my team on a part-time basis, mainly for typing tasks. You will be responsible for creating reports. Key Responsibilities: - Creating beginner-level reports by typing less than 50 pages per week. ...for creating reports. Key Responsibilities: - Creating beginner-level reports by typing less than 50 pages per week. Ideal Skills and Experience: - Beginner level typing proficiency - Good understanding of basic document formatting - Ability to proofread and edit for spelling or grammatical errors - Ability to meet deadlines and handle multiple tasks Prior experience in typing or office administration roles would be beneficial, but not necessary. This job could be a perfect fit for anyone looking to get started in the world of admin...

As an enthusiast in the field of ethical hacking, I'm in serious search of a capable and experienced hacker who can crack the code on both web-based, network-based, and binary-based Capture The Flag (CTF) challenges. What I Need: - An expert who can proactively tackle and unveil the hidden information concealed behind these challenges. The ideal candidate should have: - Profound knowledge and experience in Vulnerability Assessment - Solid skills in Penetration Testing - Extensive understanding of Web App Security. Don't forget, your application must include details of your previous work related to CTF hacking. If you've got the right skills and experience, don't hesitate to apply. Looking forward to seeing your impressive accomplishments.

...right formulation, based on current supplement trends and consumer demands. Experience in similar projects and deep knowledge about ingredients are crucial for this project. Key Requirements: 1. Assist in formulation development: You should have experience in crafting sports supplement formulations. 2. FDA knowledge: Since it's vital for my supplement to be approved by the US Food and Drug Administration (FDA), you should have a thorough understanding of their requirements and approval process. 3. Manufacturer Connections: You should have access to manufacturing facilities that would be able to facilitate and produce the final product. If you can provide this service, I'd love to hear your ideas and how you plan to execute this project. Please share relevant portfol...

...Development Executive, focusing on the Uber Hero Project in India. As a pivotal member of our team, you will be responsible for spearheading driver acquisition and retention efforts, ensuring seamless operations and fostering a thriving driver community. Fluent in Hindi and armed with a passion for growth, you will receive leads provided by our team and will play a crucial role in expanding our network of drivers across the region. **Key Responsibilities:** 1. **Driver Onboarding:** Facilitate the onboarding process for new drivers, guiding them through the necessary steps to join the Uber platform efficiently. 2. **Trip Completion Management:** Monitor and support drivers in meeting trip quotas within specified timeframes, optimizing their performance and maximizing their ear...

...renovate and flip. Key Responsibilities: - Identifying low-value properties that are being sold cheap due to their poor condition. - Extensive and informed access to property auction sites where these types of properties are likely to be listed. The Ideal Person: - Proven track record of sourcing properties for flipping. - Proficient in the Houston real estate market. - Vast network of contacts within real estate circles in the Houston area. - Able to identify and evaluate good investment properties for potential flipping projects. This is an excellent opportunity for experienced property sourcers to contribute to a lucrative flipping operation and create a long-term, profitable partnership. Your expert knowledge and professional approach will be paramoun...

...selected freelancer. Domain Configuration: In addition to script installation, I need the freelancer to help me configure the domain associated with the project. This includes DNS configuration and any necessary adjustments to the web server configuration. Freelancer Requirements: Demonstrable experience in installing and configuring scripts on Ubuntu servers. Solid knowledge of SSH and server administration. Previous experience with Laravel-based projects is highly desirable. Ability to communicate effectively and provide regular updates on project progress. How to Apply: If you are interested in this project and meet the mentioned requirements, please send me a message with your relevant previous experience and any additional questions you may have about the project. Also, ...

Hello, please provide me with the price and days to make a simple game like Speed Holic 3D.. No longer available for Apple, and not sure about Google, but I think the source co...online, a game by Apptention. The only difference with my game is that instead of multiple things like background, etc., it will be 1 of everything, like background, character (black shape silhouette ? bird) touch mode, speed-start from 1.5. Speedholic 3D's highest starting speed is 1.3, though. To include an Apple and Google leaderboard plus an ad network for revenue. I’m also looking for a team to publish on stores and maintain games. Another example of simplicity when it comes to the simple black background, etc:

I am looking for a seasoned MySQL admin to setup a Master-Slave replication on my database system. This job will entail considerable experience and remarkable expertise in this specialized field. Due to sensitivity of dat...Master-Slave replication on my database, therefore, direct experience with this specific setup is required. - Attend to any subsequent adjustment and debugging that might be needed after setup. Qualifications: - Deep understanding of the MySQL as my system is operating on MariaDB/MySQL - Extensive knowledge and experience in setting up Master-Slave replication - Proven experience in MySQL administration, particularly in replication setups Whilst there's no strict time limit for project completion, I expect regular updates and steady progress towards proj...

Hello, I am Youssef with Azurreo. We are a French company specialized in IT and network services. We currently have a project in Monaco, that requires to install and host a server locally. Would it be possible to send me your [Removed by Freelancer.com Admin for offsiting - please see Section 13 of our Terms and Conditions] i will provide you with details? Thanks

In this project, I'm seeking a creative freelancer to design a logo for my electrical network construction company. I envisage a bold and eye-catching logo that successfully communicates the essence of our work and leaves a lasting impression. Key elements to incorporate: - Power lines and poles - Gear and Helmet - Electrical symbol I would like an ingenious integration of these symbols in the design. Preferred Color Palette: - Yellow - Green These colors should be prominent but balanced in the logo design. Ideal Skills and Experience: - Logo design experience, particularly in corporate settings - Strong graphic design skills - Proven creative ability to integrate multiple symbols in one design - Understanding of color theory and ability to use colors effectively I lo...

Carry out a design project for an industrial network, both at the control level and at the cell level. At the cell level, the network will be made up of six PLCs and a supervision computer. At the control level, the supervision computer and five computers that will act as clients will be interconnected. In both cases, the defined technical specifications must be complied with, justifying the solutions provided. They must be presented: List of necessary materials. Explanatory report justifying the solutions provided. Descriptive plan of the facilities and distribution of elements. Budget of materials used. Distribution of equipment by levels: Cell Level: S7-300 PLCs (CPU 314 IFM) Supervision Computer (PC) Control Level: Supervisory Computers (PC) Client Computers (PC) Networks...

I am searching for someone with strong knowledge in healthcare administration and finance to help me put together an investor pitch and a feasibility study for a 100-bed, general hospital in an urban area. On this project, you will likely: - Research and understand the local urban market - Compile costs and potential revenue streams - Compile the recent trends in hospital administration - Develop a compelling pitch for potential investors - Complete the feasibility study for a general medicine hospital This project has a tight timeline. I need everything done in less than a month. The ideal person for this job is a professional hospital administration consultant or a business analyst with a background in healthcare. Previous experience with creating hospital feasib...

I'm seeking a professional to design a small, industrial network panel capable of supporting devices such as an ethernet switch, 24V DC power supply etc. Ideal skills include: - Experience in industrial network panel design - Understanding of AutoCAD design - Capacity to design for a network supporting up to 10 devices Your design should facilitate efficient data transmission and system reliability. Showcase your insightful grasp of network data needs in an industrial environment when applying. Attached below are the actual devices that would need to be included in the design.

...future opportunities at velpTEC and join our diverse and expert team! Your Role: Our courses are designed for self-study, which allows learners to progress independently while they receive expert guidance through a learning forum. As a technical support member, you will assist our learners by addressing their inquiries, which enables them to successfully complete their training. The Business Administration area includes the following courses: • Corporate Management and Organization • Production management and operations management • Process management and optimization • Logistics and Supply Chain Management • Project Management • Digitalization and digital transformation • Materials and sales management, purchasing and procurement • Qua...

...future opportunities at velpTEC and join our diverse and expert team! Your Role: Our courses are designed for self-study, which allows learners to progress independently while they receive expert guidance through a learning forum. As a technical support member, you will assist our learners by addressing their inquiries, which enables them to successfully complete their training. The Business Administration area includes the following courses: • Corporate Management and Organization • Production management and operations management • Process management and optimization • Logistics and Supply Chain Management • Project Management • Digitalization and digital transformation • Materials and sales management, purchasing and procurement • Qua...

For my project, ...range of assets, including equities, commodities, futures, and options. Requirements: - Advanced knowledge of Python, specifically its application in algorithmic trading - Prior hands-on experience with the Zerodha Kite platform - Geographic proximity to Chennai is preferred, but not necessary I have the following requirements in my project 1. The script should run from server machine to avoid network issues 2. Auto login to zerodha kite 3. Options instrument selection using set criteria 4. trailing stop loss 5. Bringing live options data in excel 7. time based trading like at a predefined time, the program should check for options at lesser than given price and buy. Sell it at trailing stop loss 8. buy today and sell at tomorrow morning at 9:15 using trailing s...

As an individual looking for a highly efficient event manager to take care of t... - Catering Management: Handle all things food-related, ensuring high-quality meals and refreshments are provided for the guests. Must be able to suggest personalized menu items, taking into consideration preference, dietary restrictions and kids-friendly options. - Entertainment Planning: Curate appropriate and enjoyable entertainment packages for both adults and children. Must have a great network of entertainers or a robust system for sourcing entertainment. Ideal candidates should have previous experience in managing similar events, possess excellent organizational skills, be highly creative with an eye for aesthetics. Knowledge about local vendors for venue, catering and entertainment will be a ...

I am in need of an expert developer skilled in Django (3.x), React.JS, and Python. The main objective of this project is to create an engaging social networking site. The essential features to be incorporated include: - User profiles: Detailed profile creation and modification options for users. - Ne...need some customization on tasks. Ideal Skills: - Strong Django, React, and Python abilities - Prior experience developing social networking sites - Understanding of security best practices concerning user data - Knowledge of real-time applications If you believe you are perfect for this role, please detail your experience with the Django, React, and Python tools, your understanding of social network site construction, and your strategy in maintaining user data security in your...

I'm in need of a reputable web developer to create a webpage that offers the ability to rollback settings on midrange quantity of network devices, specifically switches and UCS. * Rollback Features: - The functionality should support restoring previous settings and undoing recent changes. Think of it as an 'undo' button but for network devices. * Network Devices: - The devices at play are a mix of switches and UCS, hence your experience with these specific devices is essential. Ideal Skills: * Extensive experience working with web development and networking. * Familiarity with the functionality and settings of switches and UCS. * Experience delivering reliable rollback/restoration functionalities. If you believe you are up to this task, do pla...

I am in the process of planning for a new marketing strategy for an Android game app that I intend to develop. Here's what I'm looking for: - An experienced freelancer with a strong background in Network Marketing especially for game apps. Your experience with Android app promotion will greatly benefit this project. - You should have a deep understanding of the Android user base to help define marketing strategies and plans that will best promote the app. - Your ability to create and implement new business strategies will also be essential for the success of the project. - Your knowledge of both marketing and android gaming will be a significant advantage. The ideal freelancer will not only help in promoting the game app but also play a crucial role in helping me launc...

...currently facing a frustrating issue related to my Windows network. I'm unable to connect to a specific computer on my network despite numerous attempts. Specifically, when attempting a connection, I encounter an "Access Denied" error message. As for the often recommended test - executing a ping command to the unreachable machine's IP address - I must confess, I'm uncertain about how to perform it or interpret the results, hence assistance with that would also be of immense value. For this work, I require a freelancer with a sharp understanding of windows networks, who can ideally guide me through the troubleshooting process to rectify this hitch. In-depth knowledge of network protocols, IP addressing and solid experience in network...

Job Summary: The PrestaShop Shop Manager/Administrator is responsible for overseeing the day-to-day operations and administration of the PrestaShop e-commerce platform. This role encompasses a wide range of tasks, including managing product listings, ensuring site functionality, optimizing performance, handling customer inquiries, and implementing marketing strategies. The ideal candidate will have a deep understanding of e-commerce best practices, proficiency in PrestaShop administration, strong organizational skills, and a customer-centric mindset. Responsibilities: PrestaShop Administration: Configure and maintain the PrestaShop platform to ensure optimal performance and functionality. Manage user accounts, permissions, and roles within the PrestaShop admin panel...

I'm currently in need of an expert in web server administration, particularly in Apache and AWS who can aid in the creation, installation, and configuration of a free HTTPS SSL certificate on an Apache webserver running on XAMPP on a Windows production server. Key Responsibilities: * Set up an Apache webserver on XAMPP * Configure the webserver for a static IP and redirect on an AWS server * Install a free HTTPS SSL certificate on the aforementioned webserver * Provide comprehensive documentation on the steps taken during the installation and configuration process While it isn't necessary to know the XAMPP version, experience with XAMPP administration is highly desirable. The project needs to be completed as soon as possible, so freelancers who are readily avail...

I am looking for a server optimization expert who possesses the skills and has proven experience in the following areas: - Database Optimization - Network Optimization - Website Caching The project needs to be completed as soon as possible while noting with importance that: - The server resources are quite limited. This aspect requires astute resource management without compromising other tasks. - The optimization effort should not interfere with the compatibility of existing software installed on the server. - Data security considerations are critical - tasks need to be accomplished without compromising the integrity and security of data stored within the server. On-board freelancers need to have an impressive track record working with complex server architectures, a good under...

I'm in urgent search of a competent technical recruiter who can attract and hire the best technical talent globally with particular emphasis on software engineering, network administration, and DevOps roles. Key responsibilities: - Identify and attract top-tier technical talents. - Conduct preliminary candidate screenings. - Manage the hiring process, including arranging and coordinating interviews. The ideal candidate: - Extensive experience in technical recruiting. - Proven track record of filling software development, network administration, and DevOps roles. - Strong organizational skills with the ability to handle multiple open roles simultaneously. - Excellent communication skills, with a knack for identifying and targeting candidates' moti...

As a business owner, I'm in need of a remote part-time administrative assistant. Your tasks will mainly involve: - Office correspondence management: You should be able to handle various forms of correspondence...management: You should be able to handle various forms of correspondence such as emails, calls and letters. - Database or records maintenance: The ability to maintain and update our existing databases and records is crucial for this role. - Event and meeting coordination: Arranging and coordinating our meetings, webinars, conferences or other events. The ideal candidate will have office administration experience and be comfortable working remotely. Good organization skills and attention to detail are key for this position. Your ability to juggle multiple tasks will ...

I am in search of an experienced and professional web designer to create a stellar website for my IT solutions company. Key Features Required: - Neat, user-friendly interface - Clear display of my services: network infrastructure, cybersecurity, data backup, cloud computing services, and physical server solutions - An attractive, yet straightforward design Main Goals: The website's primary objective is to portray a clear picture of the wide range of our IT services and our company's competencies. Specifically, we aim to provide information and solutions on: - Enhancing network connectivity - Strengthening our client's data security - Showcasing our efficient data backup and recovery methodologies - Demonstrating the scalability and flexibility of our cloud c...

I am looking for an experienced developer to create a SaaS platform that includes various cybersecurity products. These products include SIEM (Security Information and Event Management), MDR (Managed Detection and Response), XDR (Extended Detection and Response), and a network monitoring system. The platform must include the following features and functionalities: * User management and access control * Real-time threat detection and monitoring * Incident response and management Customization requirements: I am also seeking advanced customization options for the SaaS platform. This includes custom branding and layout design. Ideal skills and Experience: The ideal candidate for this project should have experience in developing SaaS platforms, particularly ones that incorporate cyb...

I'm looking for professionals to provide stamped electrical design drawings for a small shop that includes a paint booth. The job will entail the drafting and approval of: - Lighting Design: Effective lighting scheme utilizing fluorescent lighting to offer sufficient illumination in all areas. - Power Distribution Design: An efficient and safe power distribution network must be set up to ensure proper electrical supply to all areas and pieces of equipment. - Control System Design: We need a well-structured control system to handle essential operations within the building. Prospective freelancers must have extensive experience and proven competencies in electrical design, particularly for small shop spaces. Certification for stamping electrical designs is also required. Knowle...

I need a well-informed freelancer to create content for our newsletter which mainly focuses on sharing industry news. Particularly, we are interested in recent hiring, promotions, or board appointments within Winnipeg, Canada. -What's required? An analytical eye for detail and excellent research skills are essential as you'll be in charge of presenting informat...maintain our readers' interest. -The perfect person: An ideal freelancer for this project would be someone with a strong understanding of Winnipeg's local business landscape. Strong writing skills and excellent command of English are essential. A background in journalism or news reporting would be beneficial. I'm looking for something ongoing, perhaps bi-weekly or monthly, providing updates to my ne...

...expected: - Size specifications: The banner ad set needs to be designed in several sizes including the sizes on the attached image as well as a 590 x 300 size. The design we want it to be exactly as attached but with the following updates: 1) Add our logo in replacement of the Cyphor Technologies logo. 2) update the main bold text (The Best .net objuscator) to be : There is a NEW Social Media network 3) update the smaller text to be: Share moments with real friends & family. 4) Change the get started button text to Join Today and colour to the colour theme from our logo (pick one colour that matches) The project needs to be completed ASAP, so I am looking for someone who can take this on immediately. Ideally, you should have experience in graphic design and banner a...

I'm seeking a skilled and experienced expert who specializes in 32 and 64 bit Windows kernel driver development. bid start with "DDK"

I'm seeking a skilled and experienced expert who specializes in 32 and 64 bit Windows kernel driver development. bid start with "DDK"

...the task entails: - Decoding and Understanding 'Other Device Connections': The chosen expert will need to research and comprehend how these connections work. - Mastering the Cutting Process: Once the network dynamics are understood, the programmer should be able to interrupt these connections effectively. - Ensuring Compatibility with Computer Devices: The software should be crafted primarily for computer devices. Therefore, expertise and experience in developing software for these devices is a necessity. Ideal skills for this job includes deep understanding of network connections, network programming and software development for computer devices. If you've handled similar tasks, do feel free to mention it in your bid. Looking forward to workin...

...can effectively handle hardware, software, and network support on behalf of our clients. Responsibilities include: - Working with a range of equipment, this includes desktop computers, servers, and networking devices. - Providing solid troubleshooting for both hardware and software issues. - Taking charge of network configuration and maintenance, ensuring our clients' systems remain up and running. - Installation, setup & administration of Microsoft software. - Server administration. Skills and experience preferred: - Well rounded IT skillset, with knowledge and experience in hardware, software, and network support. - Previous experience installing and setting up Microsoft software is a must. - Demonstrated experience with server adminis...

I'm in need of a capable professional who can expedite my ticket booking process online. With long waiting times being a constant issue, I require a solution that bypasses the queue altogether. This bypass should allow us: - Speedy access to tickets, bypassing the usual queue - Handle high traffic during peak t...being a constant issue, I require a solution that bypasses the queue altogether. This bypass should allow us: - Speedy access to tickets, bypassing the usual queue - Handle high traffic during peak times seamlessly. Ideal candidates should have previous experience in developing similar solutions with a strong understanding of online ticket booking systems and peak time handling. Proficiency in network programming, traffic management, and creation of efficient algorit...