Chapter 9 Flashcards
NetBIOS uses what type of name space? A) Hierarchical name space B) People name space C) DNS name space D) Flat name space
D) NetBIOS uses a Flat name space. DNS servers uses a Heirarchical name space
The DNS root directory is represented by what symbol? A) . (dot) B) / (Fordward Slash) C) \ (Back Slash) D) $ (Dollar Sign)
A) The DNS root directory is represented by a dot (.).
What command do you run to see the DNS cache on a Windows systems? A) Ping / showdns B) ipconfig /showdns C) ipconfig /displaydns D) ping /displaydns
C) To see the DNS cache on 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?
A) Restart the DHCP server.
B) Restart the DNS server
C) Replace the NIC on the server because it has failed.
D) Have your users ping the server
C) You should replace the server’s NIC because it’s bad. It doesn’t need either DNS or DHCP to ping its looback 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)
A) Ping the address of a know Web site.
B) ping the loopback address to test her NIC.
C) Ping several neighboring systems using both DNS names and IP addresses.
D) Ping the IP addresses of the router.
B and C) Your first two troubleshooting steps are to ping the loopback address to check the client’s NIC, and the 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? A) hosts file B) LMHOSTS file C) DNS server D) WINS server
A) 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) A record B) CNAME record C) MX record D) SMTP record
C) 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? A) ipconfig B) ipconfig /all C) ipconfig /dns D) ipconfig /flushdns
D) Running the command ipconfig /flushdns resets the DNS cache.
Running which command enables you to query the functions of a DNS server? A) ipconfig B) nslookup C) ping D) xdns
B) 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? A) Forward lookup zone B) Canonical Zone C) MX record D) SMTP record
A) A DNS server stores the IP addresses and FQDNs for the computers within a domain in the Forward Lookup Zone.
