Network Fundamentals Chapter 3 Study Guide Application Layer Functionality and Protocols V 4.0 3.1.1.1 What does the application layer provide? What are application layer protocols used for? 3.1.1.2 What are the three primary functions of the Presentation Layer? What is the main function of the session layer? 3.1.1.3 What do the Application Layer protocols of the TCP/IP protocol specify? 3.1.2 What are the two forms of software programs or process that provide network access in the Application Layer 3.1.3 What do protocols provide? What is the difference between an application and a service? What do application layer protocols do? What 6 things do protocols define? 3.2.1 What is the difference between a client and a server? 3.2.2 In general networking sense what is a server? Describe the 2 processes a daemon uses (listening and hears)? 3.2.3.2 Complete the packet tracer lab examine a number of packets to see what each packet contains. 3.2.4 What is a peer-to-peer network? Are peer-to-peer networks easy to secure? 3.2.4.2 What are peer-to-peer applications? Provides Interface to the network. Used to exchange data between Programs Coding & Conversation-Compression of DataEncryption of data. Create & Maintain Dialogs Between Source & Destination Application Emergance of personal computers graphical user interfaces. Telnet-Terminal emulation protocol. (SMTP) Simple Mail Transfer Protocal Rules and formats how data is treated Services you receive mail and Applications you send them. I think. Layer Seven. Of both OSI and TCP/IP Models. provides Interface between applications. 3.1.4 Client Request Info..Server responds to the request Any device that responds to a request Done. No. Allows a device to act as a client and a server In same location 3.3.1 3.3.1.2 3.3.1.3 3.3.1.4 3.3.2.1 3.3.2.2 3.3.2.3 3.3.3 3.3.3.2 3.3.3.3 3.3.3.4 3.3.4 What do port numbers identify? What does the DNS protocol do? What does the nslookup utility allow you to do? What does the command ipconfig /displaydns show? What happens if a DNS server does not have a name in its stored records? If the same request is made again where does the DNS server look? When is a server declared to be an authoritative server? Define the three parts of a url as listed on the page? What type of request is sent to the server when retrieving a web page? What does the POST command do? What does the PUT command do? What protocol is used for secure transmission across the web? Packet Tracer Lab What 2 Application Layer protocols are used in sending and receiving email? What is another name for an email application? What are the two processes that email servers perform? What happens to emails in many companies once the email reaches the internal server? List and describe some of the commands used by the SMTP protocol. What is File Transfer Protocol (FTP)? What are the 2 ports used and their purpose in FTP? Maps a domain name to a IP Adress Displays all the DNS on the systems Pass request to another DNS server Cash. When resource is directly Held on that server. Http=Protcal HTM=Webserver File name Get. Sends info to the Web server Sends resources or content to the webserver Https: Done. PoP and SMTP MuA MTA and MDA Converted to a priortary protocol to a server Hello.Dello. File Transfer to allow 21 used for control 20 to transfer files 3.3.5 3.3.5.2 3.3.6 3.3.6.2 3.3.8 3.3.8.2 3.4 3.5.1.2 3.5.1.3 3.6.1 What does Dynamic Host Confirmation Protocol (DHCP) do for a network? What are the 4 types of messages sent and received in DHCP? What is SMB (Server Message Block)? What are the 3 message types of SMB messages? What does the Telenet application provide? What protocol is recommended alternative to Telnet when security is a concern? We will skip these labs This is a self scored quiz that will help prepare for the test Packet Tracer Lab that is relatively challenging and should help preparing for the exam. Not required, but would be helpful. Quiz that also prepares you for the test. Allows a host to maintain a IP address when it connects to a network Discover offer request DHCP acknowledge Series of Shared network messege block Sauté authenticate terminate Provides a standard method of innulating SSH -.-