introduction to enterprise network testing

... the workstation, with Network Inspector or Protocol Expert installed, directly to a classroom switch or to a data jack connected to the school LAN Step Start Network Inspector and the Agent From ... window to send the Agent away In some versions, this may be a Hide button Do not use the Stop button or the discovery process will cease Step Allow network discovery to occur The Network Inspector ... window, click on the Close button in the upper right corner to return to the Network Inspector Console Step Explore the left panel options At the Network Inspector Console, experiment with expanding...

Ngày tải lên: 23/10/2013, 00:15

... Device Properties window, click on the Close button in the upper right corner to return to the Network Inspector Console Step At the Network Inspector Console, experiment with expanding and contracting ... button in the lower-right corner of the Agent window to send the Agent away (some versions may have a Hide button) Do not use the Stop button or the discovery process will cease Step The Network ... cease Step The Network Inspector software is designed to quietly (passively and actively) collect network data As such it takes time for devices to appear This small network should be discovered...

Ngày tải lên: 05/11/2013, 12:15

... Internet Protocols Used in the Internet Bearer Network Protocols for IP Internet Protocol Address Resolution Protocol Routing Protocols ICMP Structure of Internet and IP Routing Host -to- Host Protocols ... its improving capability to transmit voice in addition to data, presents a new challenge to the public telecommunications network operators Wideband access to Introduction to Telecommunications ... services; • To have access to alternative system vendors (multivendor networks); • To improve the compatibility of their future network systems Equipment manufacturers Network operators Academic...

Ngày tải lên: 13/12/2013, 21:16

... pathways that they have to other actors Actors who have many pathways to other actors may be more influential with regard to them Actors who have short pathways to more other actors may me more influential ... actors Summary of chapter Matrices are collections of elements into rows and columns They are often used in network analysis to represent the adjacency of each actor to each other actor in a network ... from each actor to each other actor It is true (but we won't show it to you) that the adjacency matrix cubed counts the number of pathways of length three from each actor to each other actor And...

Ngày tải lên: 11/04/2014, 10:06

... viii Enterprise Network Testing Contents Part I Introduction to Enterprise Network Testing Chapter A Business Case for Enterprise Network Testing Why Testing Is Important The Cost of Network ... computers to get this done Wow! eBook vii Contents at a Glance Part I Introduction to Enterprise Network Testing Chapter A Business Case for Enterprise Network Testing Chapter Testing ... Enterprise Network Testing Andy Sholomon Tom Kunath Cisco Press 800 East 96th Street Indianapolis, IN 46240 Wow! eBook ii Enterprise Network Testing Enterprise Network Testing...

Ngày tải lên: 30/05/2014, 23:50

... lost  How can we acknowledge delivery?  Retransmission   How to determine when to retransmit? Timeout? If message is re-sent too soon  duplicates 20 The mail system MIT Stanford Dina Nick ... Things get lost  Acknowledgements  Retransmission   How to determine when to retransmit? Timeout? If packet is re-transmitted too soon  duplicate 23 Best Effort No Guarantees:  Variable ... is a network? Sharing the infrastructure  Circuit switching  Packet switching  Best Effort Service  Analogy: the mail system  Internet’s Best Effort Service This Lecture   What is a network? ...

Ngày tải lên: 24/10/2014, 13:22

... Microsoft Active Directory directory service to store network resource information and to make those resources available to other applications and to users Evaluating Active Directory Groups Evaluating ... Active Directory Topology !" Physical Active Directory Topology !" Logical Intranet Topology !" Physical Intranet Topology !" Logical Internet Topology 11 12 Module 1: Introduction to Designing ... Listen carefully to each presentation to ensure that the students stick to the topic and to help them to avoid their natural inclinations to design Exchange 2000 for their particular topic area When...

Ngày tải lên: 22/10/2013, 16:15

... of δ is found to be statistically greater than zero we might then want to go on to test the hypothesis that the up market beta is greater than one Since the up market beta is equal to β + δ this ... whereas if it is less than the data are in support of the null hypothesis1 To determine how big | tα=0 | needs to be to reject the null, we use the fact that under the statistical assumptions ... b 1.3 Testing Hypotheses about β In the market model regression β measures the contribution of an asset to the variability of the market index portfolio One hypothesis of interest is to test...

Ngày tải lên: 13/12/2013, 14:53

... Active Directory Active Directory Administrative Tools Customize Tools Customize Tools Ask the students to explain what Active Directory and Group Policy are Key Points Active Directory and Group ... Directory ?? Customize tools Windows 2000 also provides you with the tools to match administrative responsibilities and to delegate network administrative responsibilities to other administrators ... customized tools to administer Active Directory that allow you a great deal of flexibility You can create customized administrative tools to: ?? Map to the permissions that have been assigned to...

Ngày tải lên: 17/01/2014, 08:20

... Windows 2000 network Module 1: Introduction to Managing a Windows 2000 Network " Overview of Active Directory Topic Objective To introduce Active Directory Lead-in Active Directory stores information ... how to use them to administer Active Directory Module 1: Introduction to Managing a Windows 2000 Network What Is Active Directory? Topic Objective To illustrate the purpose of Active Directory ... Module 1: Introduction to Managing a Windows 2000 Network Active Directory Objects Topic Objective To identify the purpose of Active Directory objects Active Directory Active Directory Objects...

Ngày tải lên: 24/01/2014, 10:20

... 3.Magnetic particle Testing (MT) 4.Radiographic Testing (RT) Surface &internal 5.Ultrasonic Testing (UT) 6.Eddy Current Testing (ET) - highly sensitive 7.Acoustic Emission Testing (AET) monitors activity ... procedure to ensure uniformity and accuracy Liquid Penetrant Testing (PT) -is applicable to discontinuities that are open to the surface or surface connected -is extension of visual testing -an ... of Penetrant Testing Principle Of PT Properties of penetrant The entire penetrant testing is based on the ability of the liquid to penetrate into discontinuities and later ability to come out...

Ngày tải lên: 12/03/2014, 18:03

... that is used to later compromise networks Usually, software tools, such as sniffers and scanners, are used to map out network resources and exploit potential weaknesses in the targeted networks, ... effects of a network attack An attack may directly cause several hours of downtime for employees, and networks must be taken down in order for damage to be repaired or data to be restored Clearly, ... perceived as effective Organizations must be able to adequately communicate how they plan to protect their customers In addition to protecting their customers, corporations must protect their employees...

Ngày tải lên: 14/03/2014, 22:20

... vulnerabilities in network protocols and services Mechanisms to protect networks Security tools Overview of This Course TCP/IP Suite Vulnerabilities and solutions Security protocols built on top of TCP/IP ... into a computer network to eavesdrop on computers in the network Sniffing requires physical access to network medium It is a passive activity, in that sniffing doesn’t introduce new packets into ... response to ping Improper response to ARP queries Improper response to DNS queries Source routing to suspicious node Employing a honeypot Network latency monitoring Time-domain reflectometers...

Ngày tải lên: 14/03/2014, 22:20

... employ M&S? What are the most appropriate M&S tools to employ? While networking technologies continue to evolve rapidly, so too M&S tools intended to evaluate their performance The M&S landscape ... and Network Evolution Edited by Kamran Etemad, Ming-Yee Lai An Introduction to Network Modeling and Simulation for the Practicing Engineer Jack Burbank, William Kasch, Jon Ward AN INTRODUCTION TO ... developer to consider when choosing to employ M&S In the following section, M&S is often compared with empirical testing For the purposes of this book, empirical testing refers to real-world testing...

Ngày tải lên: 02/04/2014, 15:49

... BorderLayout.CENTER); buttonPanel = new JPanel(); timeButton = new JButton("Get date and time "); timeButton.addActionListener(this); buttonPanel.add(timeButton); exitButton = new JButton("Exit"); exitButton.addActionListener(this); ... seekButton = new JButton("Seek server ports "); seekButton.addActionListener(this); buttonPanel.add(seekButton); exitButton = new JButton("Exit"); exitButton.addActionListener(this); buttonPanel.add(exitButton); ... Mail Transfer Protocol.) HyperText Transfer Protocol (the World Wide Web protocol) Usenet (Network News Transfer Protocol.) www.it-ebooks.info 1.5 TCP A URL (Uniform Resource Locator) is a unique...

Ngày tải lên: 24/04/2014, 14:35

... 1 Testing & teaching     Testing & Teaching: closely related Tests: - devices to reinforce learning & motivate Ss - means of assessing ... & to what standard?    Analyzing the language tested: important Identifying the purpose of assessment: including aspects /skills tested Before constructing tests: to questions standards Testing ... Reading: ability to understand gist, key information on specific points Writing: letters, reports, messages…… Testing language areas    Grammar & usage: measuring Ss’ ability to recognize appro...

Ngày tải lên: 27/06/2014, 09:20

... software testing is to find errors and to get them fixed (Bitzenhofer) The purpose of software testing is to reduce risk (E&M) Verification and Validation: Myers   Verification: An attempt to find ... of Testing (1)    “Program testing can be used to show the presence of bugs, but never their absence.” (Dijkstra, 1969) One of the most difficult problems in testing is knowing when to stop ... Objectives and Limits of Testing (3)  Objectives    The purpose of testing is to find problems The purpose of finding problems is to get them corrected The purpose of testing is to reduce identifiable...

Ngày tải lên: 08/07/2014, 00:20