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EITCA Academy

EITCA Academy

The European Information Technologies Certification Institute - EITCI ASBL

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EITCI Institute ASBL

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Questions and answers designated by tag: Network Architecture

The Wi-Fi access points can be best compared to switches in wired networks?

Monday, 18 December 2023 by Acácio Pereira Oliveira

Wi-Fi access points and switches are both essential components in computer networks, but they serve different purposes and operate at different layers of the network architecture. While they share some similarities, it is important to understand their distinct functionalities and how they contribute to the overall network infrastructure. A switch is a networking device that

  • Published in Cybersecurity, EITC/IS/CNF Computer Networking Fundamentals, Physical networks, Cabling devices
Tagged under: Computer Networks, Cybersecurity, Data Link Layer, Data Packets, Ethernet Cables, IEEE 802.11, LAN, MAC Addresses, Network Architecture, Network Connectivity, Network Infrastructure, Physical Layer, QoS, Radio Frequencies, Switches, VLANs, Wi-Fi Access Points, Wi-Fi Protocols, Wi-Fi Standards, Wired Networks, Wireless Connectivity, Wireless Networks

Is classful networking still relevant?

Tuesday, 17 October 2023 by Norbert Kwantwi

Classful networking, also known as class-based networking, was a method used in the early days of computer networking to allocate IP addresses. However, with the introduction of classless inter-domain routing (CIDR) and the depletion of IPv4 addresses, classful networking has become less relevant in modern network architectures. In classful networking, IP addresses were divided into

  • Published in Cybersecurity, EITC/IS/CNF Computer Networking Fundamentals, Internet protocols, Introduction to IP addresses
Tagged under: CIDR, Classful Networking, Cybersecurity, IP Addresses, Network Architecture, Subnet Masking

Why is it important to monitor the shape of the input data at different stages during training a CNN?

Sunday, 13 August 2023 by EITCA Academy

Monitoring the shape of the input data at different stages during training a Convolutional Neural Network (CNN) is of utmost importance for several reasons. It allows us to ensure that the data is being processed correctly, helps in diagnosing potential issues, and aids in making informed decisions to improve the performance of the network. In

  • Published in Artificial Intelligence, EITC/AI/DLPP Deep Learning with Python and PyTorch, Convolution neural network (CNN), Training Convnet, Examination review
Tagged under: Artificial Intelligence, CNN Training, Convolutional Neural Network, Data Monitoring, Data Preprocessing, Network Architecture

How do the choice of optimization algorithm and network architecture impact the performance of a deep learning model?

Tuesday, 08 August 2023 by EITCA Academy

The performance of a deep learning model is influenced by various factors, including the choice of optimization algorithm and network architecture. These two components play a important role in determining the model's ability to learn and generalize from the data. In this answer, we will consider the impact of optimization algorithms and network architectures on

  • Published in Artificial Intelligence, EITC/AI/DLTF Deep Learning with TensorFlow, Introduction, Introduction to deep learning with neural networks and TensorFlow, Examination review
Tagged under: Artificial Intelligence, Artificial Neural Networks, Deep Learning, Network Architecture, Optimization Algorithms, TensorFlow

What are some hyperparameters that we can experiment with to achieve higher accuracy in our model?

Wednesday, 02 August 2023 by EITCA Academy

To achieve higher accuracy in our machine learning model, there are several hyperparameters that we can experiment with. Hyperparameters are adjustable parameters that are set before the learning process begins. They control the behavior of the learning algorithm and have a significant impact on the performance of the model. One important hyperparameter to consider is

  • Published in Artificial Intelligence, EITC/AI/GCML Google Cloud Machine Learning, Further steps in Machine Learning, Machine learning use case in fashion, Examination review
Tagged under: Activation Functions, Artificial Intelligence, Batch Size, Hyperparameters, Learning Rate, Network Architecture, Number Of Hidden Units, Optimization Algorithm, Parameter Initialization, Regularization
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EITCA Academy is a part of the European IT Certification framework

The European IT Certification framework has been established in 2008 as a Europe based and vendor independent standard in widely accessible online certification of digital skills and competencies in many areas of professional digital specializations. The EITC framework is governed by the European IT Certification Institute (EITCI), a non-profit certification authority supporting information society growth and bridging the digital skills gap in the EU.

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