Network Naming Flashcards
Resolves IP addresses off of Fully qualified domain names ( FQDN ):
Domain Name Systems ( DNS )
FQDN breakdown:
WWW. - is the Host Name
Google - is the Secondary Domain name
.com - is the Top-Level domain ( TDL ) name
For computers to transfer data between each other in an internal domain or LAN they would need a:
Interior or Authoritative DNS server
the Primary DNS server of a zone or LAN is known as:
Start of Authority ( SOA )
When creating DNS records for IPv4 they would be called:
A - record
When creating DNS records for IPv6 they would be called:
AAAA - record
When creating DNS records, you 1st need a ________ to create or put them in. It also resolves a FQDN to an IP address.
Forward Lookup Zones
Creating Alias or user interfacing for DNS records are called:
Canonical Address or CNAME
Mail Exchange or mail servers get their own ______ in DNS servers
MX record
These help to reduce SPAM or Spoofing in email servers by actually resolving an IP address to a FQDN:
Reverse Lookup Zones
You would set up a __________ in Reverse lookup zones instead of A records.
PTR ( Pointer Record )
these rare type records are Popular for VOIP networks
Service location or (SRV) record
These types ( DKIM and SPF ) records have gotten real important in the anti-spam world:
TXT records
this type of TXT record lets you control or block emails by a statement like: accept only emails from this IP, if it comes from anywhere else, forget about it.
SPF
this type of TXT record uses a key or certificate to authenticate email users
DKIM
one of oldest and best tools to manage and know what’s going on in your network is:
net command
ex: net view
net user
net use
net share
net accounts
net start
net stop
If you’re not on a domain like at home, this old protocol helps you manage the network connections based on the names of the computers.
Netbios ( ports 137,138,139 )
Around the time of Windows Vista, ___________ was created for Windows Name Resolution for hosts on the same local link.
Linked Local Multicast Name Resolution (LLMNR) uses UDP port 5355
This command prompt netbios type tool is used to help tell you what’s going on or problems with your network.
nbstat
Every computer has a ______________ to tell the world who it is.
Registered Name
What command shows your network IP and Netbios Local Name Table
nbstat -n
What command shows your network names in cache?
nbstat -c
What command do you use to attempt to talk to other PC’s on the network, or to broadcast your name?
net view
What command do you use to see what another computers NETBIOS Local Name table is?
nbstat -a ( computers name )
this command shows the latest statistics of whats been going on with your network connections
nbstat -r
command to clear your remote cache table
nbstat -R
the command to rebroadcast all your computers information over the network is:
nebstat -RR
This protocols enables you to use a DHCP- assigned IP address for connections and the DDNS providers are able to update your IP information say when your local ISP’s router changes your IP.
Dynamic DNS
One way to test to see if you have a DNS problem while attempting to connect to a webpage is to use it’s ________ instead of the pages name.
IP address
To check your DNS IP addresses by looking in your __________ and by using the ____________ command
Network properties in windows
ipconfig
What command do you use to clear your DNS cache?
flushdns
What 3 tools are used to query your DNS server to check the status or see if they are working?
nslookup - sees default DNS information
Domain information groper (DIG) “not part of Windows”
Ping ( used to check connectivity to an FQDN )
