Cs 7641 final exam

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Periodic Table. Physical Science.We will update answers for you in the shortest time. Thank you! We truly value your contribution to the website. Explain: Fault tolerant networks limit the impact of a failure because the networks are built in a way that allows for quick recovery when such a failure occurs.

These networks depend on multiple or redundant paths between the source and destination of a message. A scalable network can expand quickly to support new users and applications without impacting the performance of the service being delivered to existing users.

Quality of service QoS is a mechanism for managing congestion and ensuring reliable delivery of content to all users. Explain: QoS mechanisms enable the establishment of queue management strategies that enforce priorities for different categories of application data.

Thus, this queuing enables voice data to have priority over transaction data, which has priority over web data. These services are available on-demand and delivered economically to any device anywhere in the world without compromising security or function. BYOD is about end users having the freedom to use personal tools to access information and communicate across a business or campus network.

Powerline networking is a trend for home networking that uses existing electrical wiring to connect devices to the network wherever there is an electrical outlet, saving the cost of installing data cables. Explain: Most operating systems contain a shell and a kernel. The kernel interacts with the hardware and the shell interfaces between the kernel and the users.

ICSI Exam Form June 2020: Online Enrollment Process

The other methods support authentication but not encryption. Explain: The wrong mode of operation is being used. The CLI prompt indicates that the mode of operation is global configuration.

IP addresses must be configured from interface configuration mode, as indicated by the SanJose config-if prompt. Tab completes the remainder of parameters or arguments within a command. To exit from configuration mode to privileged mode use the Ctrl-Z keystroke.

cs 7641 final exam

CTRL-R will redisplay the line just typed, thus making it easier for the user to press Enter and reissue the ping command. Explain: Telnet accesses a network device through the virtual interface configured with the line VTY command. The password configured under this is required to access the user EXEC mode.

The password configured under the line console 0 command is required to gain entry through the console port, and the enable and enable secret passwords are used to allow entry into the privileged EXEC mode.

The VTY line must also be configured to allow remote access, but an IP address cannot be configured on this line. TCP has several responsibilities in the network communication process. It divides large messages into smaller segments which are more efficient to send across the network. It also controls the size and rate of segments exchanged between clients and servers. Explain: A monopoly by one company is not a good idea from a user point of view. If a protocol can only be run on one brand, it makes it difficult to have mixed equipment in a network.

A proprietary protocol is not free to use. An open standard protocol will in general be implemented by a wide range of vendors. Explain: Some vendors have developed their own reference models and protocols. The benefits of using a layered model are as follows:. Explain: Application data is passed down the protocol stack on its way to be transmitted across the network media.

During the process, various protocols add information to it at each level. At each stage of the process, a PDU protocol data unit has a different name to reflect its new functions.

Data — The general term for the PDU used at the application layer.Fill up CS Exam form June Accordingly, the physical exam form will be immediately rejected by the CS Institute without any prior notice.

That means you may now fill up and submit your exam form online without paying any transaction charges just like postage and demand draft charges, travelling cost etc. The last date for receipt of online examination enrollment application and payment of examination fees for appearing in CS Exams June, without late fee is Sunday, 5th April, 5. CS Exam Form June submit.

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Complete Enrollment Request: In case the enrollment process was not completed in one sitting then user can find the initiated enrollment form under Examination Enrollment Request screen, Search Result.Skip to content. Supervised Learning Supervised Learning is a machine learning task that makes it possible for your phone to recognize your voice, your email to filter spam, and for computers to learn a number of fascinating things. This sort of machine learning task is an important component in all kinds of technologies.

From stopping credit card fraud; to finding faces in camera images; to recognizing spoken language - our goal is to give students the skills they need to apply supervised learning to these technologies and interpret their output. This is especially important for solving a range of data science problems. Unsupervised Learning Ever wonder how Netflix can predict what movies you'll like?

Or how Amazon knows what you want to buy, before you make a purchase? The answer can be found in Unsupervised Learning. Closely related to pattern recognition, Unsupervised Learning is about analyzing data and looking for patterns. It is an extremely powerful tool for identifying structure in data. This course focuses on how students can use Unsupervised Learning approaches - including randomized optimization, clustering, and feature selection and transformation - to find structure in unlabeled data.

Reinforcement Learning Reinforcement Learning is the area of Machine Learning concerned with the actions that software agents ought to take in a particular environment in order to maximize rewards.

You can apply Reinforcement Learning to robot control, chess, backgammon, checkers and other activities that a software agent can learn. Reinforcement Learning uses behaviorist psychology in order to achieve reward maximization. This course counts towards the following specialization s : Computational Perception and Robotics Interactive Intelligence Machine Learning. Sample syllabus PDF. Note: Sample syllabi are provided for informational purposes only.

For the most up-to-date information, consult the official course documentation. An introductory course in artificial intelligence is recommended but not required. To discover whether you are ready to take CS Machine Learning, please review our Course Preparedness Questionsto determine whether another introductory course may be necessary prior to registration.

This course may impose additional academic integrity stipulations; consult the official course documentation for more information. CS Machine Learning. Williams Paper Museum. Charles Isbell Creator, Instructor. Amir Afsharinejad Head TA. Shray Bansal Head TA.Find Flashcards.

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cs 7641 final exam

Use of this information for any commercial purpose, or by any commercial entity, is expressly prohibited. This information may not, under any circumstances, be copied, modified, reused, or incorporated into any derivative works or compilations, without the prior written approval of Koofers, Inc. A covariance matrix captures the correlation between variables in a data set. PCA finds the orthonormal eigenvectors of the covariance matrix as the basis for the transformed feature space.

Eigenvectors can be thought of as the "natural basis" for a given multi-dimensional data set. Higher eigenvalues in the covariance matrix indicate lower correlation between the features in the data set. PCA projections seek uncorrelated variables. Every data set has principle components, but PCA works best if data are Gaussian-distributed. For high dimensional data the Central Limit theorem allows us to assume Gaussian distributions. Covariance Matrices The variance of a single variable x is given by:?

All rights reserved. CS - Machine Learning. Georgia Institute of Technology-Main Campus.GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. If nothing happens, download GitHub Desktop and try again. If nothing happens, download Xcode and try again. If nothing happens, download the GitHub extension for Visual Studio and try again. Reinforcement Learning: A Survey.

Put an agent into a world make sure you can describe it with an MDP! Skip to content. Dismiss Join GitHub today GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.

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cs 7641 final exam

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Choose features based on how the learner performs. Usefulness Relevance measures the effect the variable has on the Bayes' Optimal Classifier Usefulness measures the effect the variable has on the error of a particular predictor ANN, DT, etc.

Feature Transformation Polsemy: Same word different meaning - False Positives Synonomy: Different word same meaning - False Negatives PCA: Good Slides Example of an eigenproblem Finds direction eigenvectors of maximum variance All principal components eigenvectors are mutually orthogonal Reconstructing data from the principal components is proven to have the least possible L2 squared error compared to any other reduction Eigenvalues are monotonically non-increasing and are proportional to variance along each principal component eigenvector.

Eigenvalue of 0 implies zero variance which means the corresponding principal component is irrelevant Finds "globally" varying features image brightness, saturation, etc. Fast algorithms available ICA Finds new features that are completely independent from each other. This allows original data to be reconstructed fairly easily from the transformed data. If you want to use it to preprocess classification data Is able to capture correlations between data, but in order for this to be true, you must often reduce to a larger number of components than with PCA or ICA.

Can't really reconstruct the original data well. Biggest advantage is speed.

cs 7641 final exam

LDA Requires data labels Finds projections that discriminate based on the labels. Information Theory Entropy: A characterization of uncertainty about a source of information Joint Entropy: The entropy contained by the combination of two variables Conditional Entropy: The entropy of one variable, given another Mutual Information: The reduction of entropy of a variable, given knowledge of another variable KL Divergence: A non-symmetric measure of the difference between two probability distributions P and Q Can be used in supervised learning as an alternative to squared error Reinforcement Learning Reinforcement Learning: A Survey Put an agent into a world make sure you can describe it with an MDP!

Actions All actions an agent can perform. Sometimes this is a function of state, but more often it is a list of actions that could be performed in any state Transitions model Probability that the agent will arrive in a new state, given that it takes a certain action in its current state: P s' s, a Rewards Easiest to think about as a function of state i.

However, it is often a function of a [s, a] tuple or a [s, a, s'] tuple. Policy A list that contains the action that should be taken by the agent in each state.

The optimal policy is the policy that maximizes the agent's long term expected reward. Utility The utility of a state is the reward at that state plus all the discounted reward that will be received from that state to infinity. Accounts for delayed reward Described by the Bellman Equation Value Iteration "Solve" iteratively until convergence, more like hill climb Bellman Equation.

When we have maximum utility, the policy which yields that utility can be found in a straightforward manner.

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