Network Naming Flashcards
NetBIOS uses what type of name space?
People name space
DNS name space
Flat name space
Flat name space
NetBIOS uses a flat name space whereas DNS servers use a hierarchical name space
. (dot)
/ (forward slash)
$ (dollar sign)
. (dot)
The DNS root directory is represented by a dot (.)
What command do you run to see the DNS cache on a Windows system?
ping /showdns
ipconfig /showdns
ipconfig /displaydns
ipconfig /displaydns
To see the DNS cache on a Windows system, run the command ipconfig /displaydns at a command prompt
The users on your network haven’t been able to connect to the server for 30 minutes. You check and reboot the server, but you’re unable to ping either its own loopback address or any of your client systems. What should you do?
Restart the DNS server.
Replace the NIC on the server because it has failed.
Have your users ping the server.
Replace the NIC on the server because it has failed.
You should replace the server’s NIC because it’s bad. It doesn’t need either DNS or DHCP to ping its loopback address. Having the users ping the server is also pointless, as you already know they can’t connect to it
A user calls to say she can’t see the other systems on the network when she looks in My Network Places. You are not using NetBIOS. What are your first two troubleshooting steps? (Select two.)
Ping the address of a known Web site.
Ping the loopback address to test her NIC.
Ping several neighboring systems using both DNS names and IP addresses.
Ping the IP addresses of the router.
Ping the loopback address to test her NIC.
Ping several neighboring systems using both DNS names and IP addresses.
Your first two troubleshooting steps are to ping the loopback address to check the client’s NIC, and then to ping neighboring systems. If the NIC and the local network check out, then you might try pinging the router and a Web site, but those are later steps
What is checked first when trying to resolve an FQDN to an IP address?
hosts file
LMHOSTS file
DNS server
hosts file
The hosts file is checked first when trying to resolve an FQDN to an IP address
Which type of DNS record is used by mail servers to determine where to send e-mail?
A record
CNAME record
MX record
MX record
The MX record is used by mail servers to determine where to send e-mail
Running which command enables you to reset the DNS cache?
ipconfig /all
ipconfig /dns
ipconfig /flushdns
ipconfig /flushdns
Running the command ipconfig /flushdns resets the DNS cache
Running which command enables you to query the functions of a DNS server?
ipconfig
nslookup
ping
nslookup
The tool to use for querying DNS server functions is nslookup
Where does a DNS server store the IP addresses and FQDNs for the computers within a domain?
Forward lookup zone
Canonical zone
MX record
Forward lookup zone
A DNS server stores the IP addresses and FQDNs for the computers within a domain in the forward lookup zone
