show n ?
winipcfg
ping 127.0.0.1
net view \\computername use this command to verify that resources on a remote computer are shared
show version
Use system file checker to verify the version of all system files when Windows loads. Useful when you suspect system files are corrupted, but you can still access the Windows desktop. Command to execute it: Sfc with parameters.
Typically found in /var/log/syslog. However, check syslog configuration file to verify.
nslookup
computer
To verify if a serial interface is operating as a Data Terminal Equipment (DTE) or Data Communication Equipment (DCE), you can use the command show controllers in Cisco IOS. This command displays detailed information about the serial interface, including whether it is configured as a DTE or DCE. The output will typically indicate the role of the device, and a DCE interface will often show the clock rate configuration.
Use the command line utilities to test connectivity, then send a test file across the network
NETDOM is a command-line tool that allows management of Windows domains and trust relationships. It is used for batch management of trusts, joining computers to domains, verifying trusts, and secure channels A: Enables administrators to manage Active Directory domains and trust relationships from the command prompt. Netdom is a command-line tool that is built into Windows Server 2008. It is available if you have the Active Directory Domain Services (AD DS) server role installed. To use netdom, you must run the netdom command from an elevated command prompt. To open an elevated command prompt, click Start, right-click Command Prompt, and then click Run as administrator. You can use netdom to: * Join a computer that runs Windows XP Professional or Windows Vista to a Windows Server 2008 or Windows Server 2003 or Windows 2000 or Windows NT 4.0 domain.** Provide an option to specify the organizational unit (OU) for the computer account.** Generate a random computer password for an initial Join operation.* Manage computer accounts for domain member workstations and member servers. Management operations include:** Add, Remove, Query.** An option to specify the OU for the computer account.** An option to move an existing computer account for a member workstation from one domain to another while maintaining the security descriptor on the computer account.* Establish one-way or two-way trust relationships between domains, including the following kinds of trust relationships:** From a Windows 2000 or Windows Server 2003 or Windows Server 2008 domain to a Windows NT 4.0 domain.** From a Windows 2000 or Windows Server 2003 or Windows Server 2008 domain to a Windows 2000 or Windows Server 2003 or Windows Server 2008 domain in another enterprise.** Between two Windows 2000 or Windows Server 2003 or Windows Server 2008 domains in an enterprise (a shortcut trust).** The Windows Server 2008 or Windows Server 2003 or Windows 2000 Server half of an interoperable Kerberos protocol realm.* Verify or reset the secure channel for the following configurations:** Member workstations and servers.** Backup domain controllers (BDCs) in a Windows NT 4.0 domain.** Specific Windows Server 2008 or Windows Server 2003 or Windows 2000 replicas.* Manage trust relationships between domains, including the following operations:** Enumerate trust relationships (direct and indirect).** View and change some attributes on a trust.Netdom uses the following general syntaxes: NetDom [] [{/d: | /domain:} ] []NetDom help
there is such a domain. Reference: Hands -On Microsoft Windows Server 2008, by Michael Palmer, page 6, item 7.