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Author: Subramanian
Publisher: Pearson Education India
ISBN: 9788177588200
Category :
Languages : en
Pages : 668
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Book Description
Author: Subramanian
Publisher: Pearson Education India
ISBN: 9788177588200
Category :
Languages : en
Pages : 668
Get Book Here
Book Description
Author: Thomas A. Limoncelli
Publisher: Addison-Wesley Professional
ISBN: 0133415104
Category : Computers
Languages : en
Pages : 1567
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Book Description
With 28 new chapters, the third edition of The Practice of System and Network Administration innovates yet again! Revised with thousands of updates and clarifications based on reader feedback, this new edition also incorporates DevOps strategies even for non-DevOps environments. Whether you use Linux, Unix, or Windows, this new edition describes the essential practices previously handed down only from mentor to protégé. This wonderfully lucid, often funny cornucopia of information introduces beginners to advanced frameworks valuable for their entire career, yet is structured to help even experts through difficult projects. Other books tell you what commands to type. This book teaches you the cross-platform strategies that are timeless! DevOps techniques: Apply DevOps principles to enterprise IT infrastructure, even in environments without developers Game-changing strategies: New ways to deliver results faster with less stress Fleet management: A comprehensive guide to managing your fleet of desktops, laptops, servers and mobile devices Service management: How to design, launch, upgrade and migrate services Measurable improvement: Assess your operational effectiveness; a forty-page, pain-free assessment system you can start using today to raise the quality of all services Design guides: Best practices for networks, data centers, email, storage, monitoring, backups and more Management skills: Organization design, communication, negotiation, ethics, hiring and firing, and more Have you ever had any of these problems? Have you been surprised to discover your backup tapes are blank? Ever spent a year launching a new service only to be told the users hate it? Do you have more incoming support requests than you can handle? Do you spend more time fixing problems than building the next awesome thing? Have you suffered from a botched migration of thousands of users to a new service? Does your company rely on a computer that, if it died, can’t be rebuilt? Is your network a fragile mess that breaks any time you try to improve it? Is there a periodic “hell month” that happens twice a year? Twelve times a year? Do you find out about problems when your users call you to complain? Does your corporate “Change Review Board” terrify you? Does each division of your company have their own broken way of doing things? Do you fear that automation will replace you, or break more than it fixes? Are you underpaid and overworked? No vague “management speak” or empty platitudes. This comprehensive guide provides real solutions that prevent these problems and more!
Author: Adam Jablonski
Publisher:
ISBN: 9781536144079
Category :
Languages : en
Pages : 410
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Book Description
The dynamics of market changes determine new perspectives both in the theory and practice of management science. The mechanisms of doing business aimed at achieving a high level of company performance are changing. This requires adequate instruments based on the solid pillars of strategic management. Undoubtedly, the key ontological components which determine the success of an organization are effective and efficient business models, strategies and business processes. A kind of strategic hybrid emerges that shapes the principles of doing business subject to pressure, constraints and emerging opportunities. In this approach, companies implement strategies for growth and development not only to survive, but also to achieve strong competitive advantages. Value creation is another area of the development of management science and management practices, defining key factors underlying the conceptualization and operationalization of business models, strategies and business processes. The abovementioned concepts are nowadays widely discussed, creating a new dimension of strategic management.This monograph consists of chapters focused on both theoretical and practical conditions of modern companies, specifically focused on building effective and efficient business models, strategies and hybrids. This monograph primarily refers to new research perspectives which determine the new challenges of strategic management. The aim of the monograph is to present views and approaches to strategic management determined by the development and growth of companies through building their business models, strategies and hybrids.The goals of this monograph are to:- determine key trends in the theory and practice of management science,- define key ontological factors and their use in the dynamic management of modern companies,- present the new dimensions of strategic management as seen through the eyes of the international authors of individual chapters,- and the possibility of applying solutions contained in the monograph.The editor and authors hope that the presented combination of theory and practice will satisfy the needs of readers, in particular managers of modern companies, business consultants and researchers of phenomena in business.
Author: Dr. Debashis Dev Misra
Publisher: Xoffencerpublication
ISBN: 8119534190
Category : Computers
Languages : en
Pages : 207
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Book Description
In this digital age, having access to knowledge is becoming more and more crucial. Threats to network security, hacks, data breaches, and cyberattacks are on the rise as organizations use their network services to access more important information. For a firm to succeed, information security is essential. Because of this, cybersecurity is a major concern. Network security technologies ensure authorized users have access to your data so they can carry out their activities efficiently while safeguarding it from intrusions. Computer network security is made up of several cybersecurity components, such as a range of tools, settings, and programs that are intended to safeguard the integrity of your network against unauthorized usage. Attacks on the security of a network can take many different shapes and come from many places. Technologies for network security are designed to focus on certain threats while avoiding interruption or harm to your network's core architecture. In order to prevent unauthorized access, modification, abuse, or manipulation of a computer, etc., effective network security serves as a gatekeeper. You and your business may maintain a safe and trustworthy working environment by being aware of the principles of internet security. This chapter will define network security, explore its significance for your firm, and go through the many forms of network security that may be applicable to you. First, let's take a look at networks again. Simply described, a computer network is a group of computers that are linked together in some way. That is used on a regular basis to facilitate corporate and governmental contacts. Computers used by individual users make up the "client" terminals (also known as "nodes") in these networks, together with one or more "servers" and/or "host" computers. Communication systems connect them; some of these systems may be restricted to internal use within an organization, while others may be accessible to the general public. While the Internet is the most well known example of a publicly available network system, numerous private networks 1 | P a ge also make use of publicly accessible communications. Most businesses now have servers that staff members can log into from anywhere with an internet connection, whether they are at the office, at home, or on the road. Therefore, safety is very important. Let's get a handle on Network Security as a concept. Network security refers to the precautions an organization takes to keep its computer system safe, and it is of paramount importance for any business that relies on technology. If the security of a network is breached, unauthorized users, such as hackers or even competitors, might potentially obtain access to sensitive information, leading to data loss or even system damage. The term "network security" refers to the measures taken by businesses, government agencies, and other entities to ensure that their networks are secure. Threats, risks, and vulnerabilities must be identified, and the best methods for mitigating them must be selected, for a network security plan to be successful. Prevention of network failure, abuse, corruption, alteration, intrusion, etc. is made possible by network security measures. Even if you believe your data is secure when posting it to the internet, hackers may be able to access it and use it to commit identity theft or financial fraud. Because of this, protecting your network is crucial. An important aspect of cyber security is network security, which safeguards your network and the information it contains against threats such as hacking, malware, and unauthorized access to hardware and software. Threats, network use, accessibility, and comprehensive threat security all inform what constitutes a "secure" network and its accompanying laws, regulations, and settings.
Author: Alexander Clemm
Publisher:
ISBN:
Category : Computers
Languages : en
Pages : 560
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Book Description
This book provides you with an accessible overview of network management covering management not just of networks themselves but also of services running over those networks. It also explains the different technologies that are used in network management and how they relate to each other.--[book cover].
Author: Joseph D Sloan
Publisher: "O'Reilly Media, Inc."
ISBN: 0596551983
Category : Computers
Languages : en
Pages : 367
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Book Description
Over the years, thousands of tools have been developed for debugging TCP/IP networks. They range from very specialized tools that do one particular task, to generalized suites that do just about everything except replace bad Ethernet cables. Even better, many of them are absolutely free. There's only one problem: who has time to track them all down, sort through them for the best ones for a particular purpose, or figure out how to use them?Network Troubleshooting Tools does the work for you--by describing the best of the freely available tools for debugging and troubleshooting. You can start with a lesser-known version of ping that diagnoses connectivity problems, or take on a much more comprehensive program like MRTG for graphing traffic through network interfaces. There's tkined for mapping and automatically monitoring networks, and Ethereal for capturing packets and debugging low-level problems.This book isn't just about the tools available for troubleshooting common network problems. It also outlines a systematic approach to network troubleshooting: how to document your network so you know how it behaves under normal conditions, and how to think about problems when they arise, so you can solve them more effectively.The topics covered in this book include: Understanding your network Connectivity testing Evaluating the path between two network nodes Tools for capturing packets Tools for network discovery and mapping Tools for working with SNMP Performance monitoring Testing application layer protocols Software sources If you're involved with network operations, this book will save you time, money, and needless experimentation.
Author: Saadat Malik
Publisher: Cisco Press
ISBN: 9781587050251
Category : Computers
Languages : en
Pages : 826
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Book Description
Expert solutions for securing network infrastructures and VPNs bull; Build security into the network by defining zones, implementing secure routing protocol designs, and building safe LAN switching environments Understand the inner workings of the Cisco PIX Firewall and analyze in-depth Cisco PIX Firewall and Cisco IOS Firewall features and concepts Understand what VPNs are and how they are implemented with protocols such as GRE, L2TP, and IPSec Gain a packet-level understanding of the IPSec suite of protocols, its associated encryption and hashing functions, and authentication techniques Learn how network attacks can be categorized and how the Cisco IDS is designed and can be set upto protect against them Control network access by learning how AAA fits into the Cisco security model and by implementing RADIUS and TACACS+ protocols Provision service provider security using ACLs, NBAR, and CAR to identify and control attacks Identify and resolve common implementation failures by evaluating real-world troubleshooting scenarios As organizations increase their dependence on networks for core business processes and increase access to remote sites and mobile workers via virtual private networks (VPNs), network security becomes more and more critical. In today's networked era, information is an organization's most valuable resource. Lack of customer, partner, and employee access to e-commerce and data servers can impact both revenue and productivity. Even so, most networks do not have the proper degree of security. Network Security Principles and Practices provides an in-depth understanding of the policies, products, and expertise that brings organization to this extremely complex topic and boosts your confidence in the performance and integrity of your network systems and services. Written by a CCIE engineer who participated in the development of the CCIE Security exams, Network Security Principles and Practices is the first book that provides a comprehensive review of topics important to achieving CCIE Security certification. Network Security Principles and Practices is a comprehensive guide to network security threats and the policies and tools developed specifically to combat those threats. Taking a practical, applied approach to building security into networks, the book shows you how to build secure network architectures from the ground up. Security aspects of routing protocols, Layer 2 threats, and switch security features are all analyzed. A comprehensive treatment of VPNs and IPSec is presented in extensive packet-by-packet detail. The book takes a behind-the-scenes look at how the Cisco PIX(r) Firewall actually works, presenting many difficult-to-understand and new Cisco PIX Firewall and Cisco IOSreg; Firewall concepts. The book launches into a discussion of intrusion detection systems (IDS) by analyzing and breaking down modern-day network attacks, describing how an IDS deals with those threats in general, and elaborating on the Cisco implementation of IDS. The book also discusses AAA, RADIUS, and TACACS+ and their usage with some of the newer security implementations such as VPNs and proxy authentication. A complete section devoted to service provider techniques for enhancing customer security and providing support in the event of an attack is also included. Finally, the book concludes with a section dedicated to discussing tried-and-tested troubleshooting tools and techniques that are not only invaluable to candidates working toward their CCIE Security lab exam but also to the security network administrator running the operations of a network on a daily basis.
Author: Robert L. Cross
Publisher: John Wiley & Sons
ISBN: 0470627468
Category : Business & Economics
Languages : en
Pages : 384
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Book Description
The Organizational Network Fieldbook "This is the ultimate resource for practitioners who want to implement insights from organizational network analysis and thinking. Dozens of concrete examples, interventions, and practical advice from network experts show you what you can do to strengthen networks and boost performance. This book is essential for anyone in business, government, or consulting who wants to get network thinking from analysis to action in organizations." WAYNE BAKER, professor of management and organizations, Stephen M. Ross School of Business, University of Michigan "What a great idea this book is! The Organizational Network Fieldbook will demand to be read by anyone undertaking any social network efforts in their organization. It is not only a unique book, but it is also very well thought-out, finely written, and exceptionally pragmatic. It's a great achievement for the authors and a great boon to all practitioners." LARRY PRUSAK, researcher and consultant, and the founder and former director of the Institute for Knowledge Management In this practical companion to the best-selling Driving Results Through Social Networks, the authors draw on their network-building activities in organizations such as ConocoPhillips, 3M, and the United States Department of Defense in order to provide a compilation of highly practical approaches to help leaders shift their focus from formal organizational structures to a better understanding of flexible networks.
Author: Chris Chapman
Publisher: Syngress
ISBN: 012803601X
Category : Computers
Languages : en
Pages : 382
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Book Description
Network Performance Security: Testing and Analyzing Using Open Source and Low-Cost Tools gives mid-level IT engineers the practical tips and tricks they need to use the best open source or low cost tools available to harden their IT infrastructure. The book details how to use the tools and how to interpret them. Network Performance Security: Testing and Analyzing Using Open Source and Low-Cost Tools begins with an overview of best practices for testing security and performance across devices and the network. It then shows how to document assets—such as servers, switches, hypervisor hosts, routers, and firewalls—using publicly available tools for network inventory. The book explores security zoning the network, with an emphasis on isolated entry points for various classes of access. It shows how to use open source tools to test network configurations for malware attacks, DDoS, botnet, rootkit and worm attacks, and concludes with tactics on how to prepare and execute a mediation schedule of the who, what, where, when, and how, when an attack hits. Network security is a requirement for any modern IT infrastructure. Using Network Performance Security: Testing and Analyzing Using Open Source and Low-Cost Tools makes the network stronger by using a layered approach of practical advice and good testing practices. - Offers coherent, consistent guidance for those tasked with securing the network within an organization and ensuring that it is appropriately tested - Focuses on practical, real world implementation and testing - Employs a vetted "security testing by example" style to demonstrate best practices and minimize false positive testing - Gives practical advice for securing BYOD devices on the network, how to test and defend against internal threats, and how to continuously validate a firewall device, software, and configuration - Provides analysis in addition to step by step methodologies
Author: Anthony Burke
Publisher: Chronicle Books
ISBN: 1616890754
Category : Architecture
Languages : en
Pages : 224
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Book Description
The twin revolutions of the global economy and omnipresent Internet connectivity have had a profound impact on architectural design. Geographical gaps and, in many cases, architecture's tie to the built world itself have evaporated in the face of our new networked society. Form is now conceptualized by architects, engineers, and artists as reflexive, contingent, and distributed. The collected essays in Network Practices capture this unique moment in the evolution of design, where crossing disciplines, spatial interactions, and design practices are all poised to be reimagined. With contributions by architects, artists, computer programmers, and theorists and texts by Reinhold Martin, Dagmar Richter, Michael Speaks, and others, Network Practices offers an interdisciplinary analysis of how art, science, and architecture are responding to rapidly changing mobile, wireless, and information embedded environments
