DNS Part I_tìm hiểu về DNS potx

Module 3: Resolving Names Overview Multimedia: Introduction to the Name Resolution Process Viewing Names on a Client Configuring Host Name Resolution Configuring NetBIOS Name Resolution Multimedia: Introduction to the Name Resolution Process The objective of this presentation is to provide a high-level overview of the name resolution process in the network infrastructure After this presentation, you will be able to:  Explain what a host name is  Explain what a NetBIOS name is  Describe how the name resolution process works Lesson: Viewing Names on a Client How Names Are Mapped to IP Addresses What Are Host Names? What Are NetBIOS Names? How to View Names On a Client How Names Are Mapped to IP Addresses Name Resolution Name Resolution Service Service 192.168.1.200 Computer44 Where is the Computer44 file? Where is the Computer44 file? Computer44 Computer44 1 1 2 2 3 3 Examples: Examples: A host name is the DNS name, of a device on a network, that is used to locate computers on the network A host name is the DNS name, of a device on a network, that is used to locate computers on the network What Are Host Names? FQDN server1.nwtraders.msft. server1.training.nwtraders.msft. FQDN DNS Suffix Host Name DNS Suffix Host Name Server1 = 192.168.0.67 Server1 = 192.168.0.67 Server1 = 192.168.0.66 Server1 = 192.168.0.66 msft msft “.” Root “.” Root nwtraders nwtraders training training What Are NetBIOS Names? Server2 Server2 NetBIOS Name 16 th character Services IP address Server2 00 Workstation 192.168.0.39 Server2 20 Server 192.168.0.39 Server2 01 Messenger 192.168.0.39 A NetBIOS name is an identifier used by NetBIOS services running on a computer. It is made up of a 15-character name plus a 16th character (byte) denoting the service A NetBIOS name is an identifier used by NetBIOS services running on a computer. It is made up of a 15-character name plus a 16th character (byte) denoting the service How to View Names on a Client Your instructor will demonstrate how to: Your instructor will demonstrate how to: View host names and DNS suffixes by using the Ipconfig utility View host names by using System Properties View NetBIOS names by using the Nbtstat command View your computer’s NetBIOS name by using System Properties Rename a computer View host names and DNS suffixes by using the Ipconfig utility View host names by using System Properties View NetBIOS names by using the Nbtstat command View your computer’s NetBIOS name by using System Properties Rename a computer Practice: Viewing Names on a Client In this practice, you will view names on a client Lesson: Configuring Host Name Resolution The Host Name Resolution Process Client Resolver Cache How to View and Flush the Client Resolver Cache Hosts File How to Preload the Client Resolver Cache by Using a Hosts File [...]...The Host Name Resolution Process Client Resolver Cache/Hosts File 1 NetBIOS Name Cache DNS Salescomputer2 What is the IP address for Salescomputer2? 2 WINS Broadcast Lmhost File 192.168.1.35 3 Salescomputer2 Host name resolution is the process of resolving a host name to an IP address Client... memory that stores host names that have recently been resolved to IP addresses It also stores host nameto-IP address mappings loaded from the Hosts file Computer1 Hosts File Resolved host names from the DNS server How to View and Flush the Client Resolver Cache Your instructor will demonstrate how to: Display a client resolver cache by using the Ipconfig command Flush a client resolver cache by using . Resolving Names Overview Multimedia: Introduction to the Name Resolution Process Viewing Names on a Client Configuring Host Name Resolution Configuring NetBIOS Name Resolution Multimedia: Introduction. file is a static file that is maintained on the local computer and that is used to load host name-to-IP address mappings into the client resolver cache The Hosts file is a static file that is. how to: Your instructor will demonstrate how to: View host names and DNS suffixes by using the Ipconfig utility View host names by using System Properties View NetBIOS names by using the Nbtstat