tailieunhanh - DNS Part II_tìm hiểu về DNS

Tham khảo tài liệu dns part ii_tìm hiểu về dns, công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Module 4: Resolving Host Names by Using Domain Name System (DNS) Overview Multimedia: The Role of DNS in the Network Infrastructure Installing the DNS Server Service Configuring the Properties for the DNS Server Service Configuring DNS Zones Configuring DNS Zone Transfers Configuring DNS Dynamic Updates Configuring a DNS Client Delegating Authority for Zones Multimedia: The Role of DNS in the Network Infrastructure The objective of this presentation is to provide a high-level overview of DNS in the network infrastructure At the end of this presentation, you will be able to: Explain the role and benefits of DNS in the network infrastructure Define the key components of DNS Discuss the DNS domain namespace Discuss DNS zones and zone transfer Discuss DNS name servers Explain how the hosts name resolution process works Explain forward lookup queries Lesson: Installing the DNS Server Service Overview of Domain Name System What Is a Domain Namespace? Standards for DNS Naming How to Install the DNS Server Service Overview of Domain Name System Domain Name System (DNS) is a hierarchical, distributed database that contains mappings of DNS domain names to various types of data, such as IP addresses DNS is the foundation of the Internet naming scheme and the foundation of an organization’s naming scheme DNS supports accessing resources by using alphanumeric names InterNIC is responsible for delegating administrative responsibility for portions of the domain namespace and for registering domain names DNS was designed to solve issues that arose when there was an increase in the: Number of hosts on the Internet Traffic generated by the update process Size of the Hosts file What Is a Domain Namespace? Root Domain Subdomains Second-Level Domain Top-Level Domain FQDN: south nwtraders com sales west east org net Host: server1 Standards for DNS Naming The following characters are valid for DNS names: A-Z a-z 0-9 Hyphen (-) The underscore (_) is a . | Module 4: Resolving Host Names by Using Domain Name System (DNS) Overview Multimedia: The Role of DNS in the Network Infrastructure Installing the DNS Server Service Configuring the Properties for the DNS Server Service Configuring DNS Zones Configuring DNS Zone Transfers Configuring DNS Dynamic Updates Configuring a DNS Client Delegating Authority for Zones Multimedia: The Role of DNS in the Network Infrastructure The objective of this presentation is to provide a high-level overview of DNS in the network infrastructure At the end of this presentation, you will be able to: Explain the role and benefits of DNS in the network infrastructure Define the key components of DNS Discuss the DNS domain namespace Discuss DNS zones and zone transfer Discuss DNS name servers Explain how the hosts name resolution process works Explain forward lookup queries Lesson: Installing the DNS Server Service Overview of Domain Name System What Is a Domain Namespace? Standards for DNS Naming How to Install