Isp services
Download
1 / 18

ISP Services - PowerPoint PPT Presentation


  • 85 Views
  • Uploaded on
  • Presentation posted in: General

ISP Services. Working at a Small-to-Medium Business or ISP – Chapter 7. Objectives. Describe the network services provided by an ISP Describe the protocols that support the network services provided by an ISP Describe the purpose, function, and hierarchical nature of Domain Name Service (DNS)

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha

Download Presentation

ISP Services

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


ISP Services

Working at a Small-to-Medium Business or ISP – Chapter 7


Objectives

  • Describe the network services provided by an ISP

  • Describe the protocols that support the network services provided by an ISP

  • Describe the purpose, function, and hierarchical nature of Domain Name Service (DNS)

  • Describe and enable common services and their protocols.


Network Services Provided by an ISP

  • Identify the network services an ISP will provide to SOHOs and medium-sized organizations


Protocols that Support ISP Services

  • Review the TCP/IP suite of protocols


Protocols that Support ISP Services

  • Explain why a protocol would use TCP


The TCP Connection Process

  • The three-way handshake

  • Retransmission

  • Sequencing

  • Flow Control


Protocols that Support ISP Services

  • Describe the differences between TCP and UDP ports


Supporting Multiple Services

  • Describe the purpose and function of TCP and UDP ports


Domain Name Service (DNS)

  • Describe the purpose of networking naming system

srv2


Domain Name Service (DNS)

  • Describe the purpose and function of DNS.


Domain Name Service (DNS)

  • Describe the hierarchical design of DNS


Domain Name Service (DNS)

  • Describe the role of ISPs in the provisioning of DNS service


Services and Protocols

  • Identify the most common services used on the Internet


Services and Protocols

  • Describe how an ISP supports the HTTP and HTTPS protocols


Services and Protocols

  • Describe how an ISP supports the FTP protocol


Services and Protocols

  • Describe how the ISP supports the SMTP, POP3 and IMAP protocols


Summary

  • TCP and UDP use port numbers to provide multiple services to hosts.

  • DNS uses a hierarchical system of databases to resolve names and IP addresses of known hosts within networks and across the Internet.

  • The most common services used on the Internet include FTP, FTPS, HTTP, HTTPS and SMTP.

  • ISPs use high-performance servers to support these services.


ad
  • Login