Tài liệu Understanding DNS and DHCP pptx

... reserved.NMS-11019592_04_2004_c2 UNDERSTANDING DHCP AND DNS SESSION NMS-1101222© 2004 Cisco Systems, Inc. All rights reserved.NMS-11019592_04_2004_c2AgendaÜIntroduction to Names and Addresses• Managing ... ServerContentRouterServer Load Balancer and Content ServersLocal DNS ServerServer Load Balancer and Content ServersServer Load Balancer and Content ServersServer Load Balancer and Content ServersBoomerang1. ... specification—RFC 2136• Secure version—RFC 3007• Created so that DHCP servers and clients can update DNS http://ops.ietf.org /dns/ dynupd/secure-ddns-howto.html565656© 2004 Cisco Systems, Inc. All rights...

Tài liệu Understanding DNS and DHCP docx

... reserved.NMS-11019592_04_2004_c2How DHCP Works: Message Exchange• DHCP client broadcastsDISCOVER packet on local subnet• DHCP servers send OFFER packet withlease information• DHCP client selects lease and broadcasts ... Systems, Inc. All rights reserved.NMS-11019592_04_2004_c2 DHCP Server 161.44.54.7 DHCP Server 161.44.55.8 DHCP Client DHCP Packet DHCP PacketGIADDRPhysical Network161.44.18.0/24Physical ... Network161.44.18.0/24161.44.18.1161.44.18.1Router with DHCP RelayInterface Ethernet 0ip helper 161.44.54.7ip helper 161.44.55.8 DHCP Relay: Centralized DHCP Service• DHCP clients broadcasts a DISCOVER packet • DHCP relay (IP...

Understanding DNS and DHCP

... reserved.NMS-11019592_04_2004_c2 UNDERSTANDING DHCP AND DNS SESSION NMS-1101222© 2004 Cisco Systems, Inc. All rights reserved.NMS-11019592_04_2004_c2AgendaÜIntroduction to Names and Addresses• Managing ... Systems, Inc. All rights reserved.NMS-11019592_04_2004_c2 DHCP Server 161.44.54.7 DHCP Server 161.44.55.8 DHCP Client DHCP Packet DHCP PacketGIADDRPhysical Network161.44.18.0/24Physical ... Network161.44.18.0/24161.44.18.1161.44.18.1Router with DHCP RelayInterface Ethernet 0ip helper 161.44.54.7ip helper 161.44.55.8 DHCP Relay: Centralized DHCP Service• DHCP clients broadcasts a DISCOVER packet • DHCP relay (IP...

Tài liệu Grammar, Punctuation, and Capitalization pptx

... examples are highly technical and therefore harder to understand, but technical editors and other technical publishing professionals must understand grammar, punctuation, and capitalization in the ... long and respected one.I wish to acknowledge that editorial tradition and the people who established it and trained me in it. I am also grateful to Alberta L. Cox, NASA Ames Research Center, and ... consistent and correct set of grammar and punctuation rules have been applied to a report (a process often called copy editing). However, language and substantive edits, as defined by Van Buren and...

Tài liệu Course Materials and Preparation pptx

... Start and end time for regular classroom activities ! Any extended hours for working on labs ! Estimated time and duration of meals and breaks ! Restroom location ! Parking facilities and ... situations where you can use XML and related technologies to design entire solutions. Module 7: Formatting and Transforming: XSL and XSLTModule 8: Using XQuery to Link and Query XML Documents Module ... characteristics of XML. You will evaluate your understanding of how XML is formed by finding and fixing errors in XML documents. You will learn what an XML vocabulary and an XML namespace are. You will...

Tài liệu Socket Programming and Multithreading pptx

... // See if we have text on the IP and Port text fields if(txtIP.Text == "" || txtPort.Text == "") { MessageBox.Show("IP Address and Port Number are required to connect ... communication 5) Send and receive messages (packets) 6) Shutdown the communication channel 7) Close the socket connection String GetIP() { String strHostName = Dns. GetHostName(); ... Name = txtStatusString GetIP() { String strHostName = Dns. GetHostName(); // Find host by name IPHostEntry iphostentry = Dns. GetHostByName(strHostName); // Grab the first IP addresses...

Tài liệu Managing NFS and NIS pptx

... map files and distributing these changes to all NIS servers on a regular basis. Managing NFS and NIS 30 DNS is the standard for hostnames and addresses, and you'll find it handy for ... no control over OSI transport and network, and so it was much harder (and eventually impossible) to get IETF to accept OSI transport and network. Managing NFS and NIS 35 3.2.2 Installing ... including HP's HP-UX, IBM, AIX, and Linux. NIS+ is much more secure than NIS. This rest of this book ignores NIS+ and LDAP, and focuses on NIS and to some degree DNS, since those are what you...

Tài liệu Understanding the GPS P1 pptx

... navigation, surveying and mapping professions and may, within only a few years, completelyreplace conventional methods of transportation navigation and land sur-veying. The uses and implications ... intellectual and monetary currency on ever-smaller units of measure-ment. Knowledge of where we are and where we are going has, for thepast several thousand years, relied on highly trained and skilled ... may have a veryreal need to apply this new technology but lack the basic understanding necessary to make important, and often expensive, decisions about it.Thus this book.This book is designed...

Tài liệu Define Defaults and Constraints pptx

... use defaults and constraints to their full potential and how to create them in Visual Studio .NET. You have started down the path of handling your business rules by creating tables and setting ... make life easier for your users and suggest what values they could use, and more importantly, what values are acceptable. How do you do this by defining defaults and constraints? Technique By ... Technique By using default values, you can guide your users and save them time. For example, perhaps you have a mailing list application, and the user is entering addresses. If the majority of...

Tài liệu Comparing Fields and Methods pptx

... Comparing Fields and Methods First, let's recap the original motivation for using methods to hide fields. Consider ... it does not keep its data private. Public data is a bad idea because its use cannot be checked and controlled. For example, the ScreenPosition constructor range checks its parameters, but no ... later origin.X += 10; There is no doubt that, in this case, using fields is cleaner, shorter, and easier. Unfortunately, using fields breaks encapsulation. Properties allow you to combine the...

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