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Q. What conceptual model helps provide an understanding of how network protocol stacks such as TCP/IP work?
A. The OSI model, consisting of the application, presentation, session, transport, network, data link, and physical layers, helps describe how data is sent and received on the network by protocol stacks.
Q. What protocol stack is installed by default when you install Windows Server 2008 on a network server?
A. TCP/IP (v4 and v6) is the default protocol for Windows Server 2008. It is required for Active Directory implementations and provides for connectivity on heterogeneous networks.
Q. When TCP/IP is configured on a Windows server (or domain client), what information is required?
A. You must provide at least the IP address and the subnet mask to configure a TCP/IP client for an IPv4 client, unless that client obtains this information from a DHCP server. For IPv6 clients, the interface ID is generated automatically from the MAC hardware address on the network adapter. IPv6 can also use DHCP as a method to configure IP clients on the network.
Q. What are two command-line utilities that can be used to check TCP/IP configurations and IP connectivity, respectively?
A. The ipconfig command can be used to check a computer’s IP configuration and also renew the client’s IP address if it is provided by a DHCP server. ping can be used to check the connection between the local computer and any computer on the network, using the destination computer’s IP address.
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