Network Naming

Question 1

Resolves IP addresses off of Fully qualified domain names ( FQDN ):

Answer 1

Domain Name Systems ( DNS )

Question 2

FQDN breakdown:

Answer 2

WWW. - is the Host Name
Google - is the Secondary Domain name
.com - is the Top-Level domain ( TDL ) name

Question 3

For computers to transfer data between each other in an internal domain or LAN they would need a:

Answer 3

Interior or Authoritative DNS server

Question 4

the Primary DNS server of a zone or LAN is known as:

Answer 4

Start of Authority ( SOA )

Question 5

When creating DNS records for IPv4 they would be called:

Answer 5

A - record

Question 6

When creating DNS records for IPv6 they would be called:

Answer 6

AAAA - record

Question 7

When creating DNS records, you 1st need a ________ to create or put them in. It also resolves a FQDN to an IP address.

Answer 7

Forward Lookup Zones

Question 8

Creating Alias or user interfacing for DNS records are called:

Answer 8

Canonical Address or CNAME

Question 9

Mail Exchange or mail servers get their own ______ in DNS servers

Answer 9

MX record

Question 10

These help to reduce SPAM or Spoofing in email servers by actually resolving an IP address to a FQDN:

Answer 10

Reverse Lookup Zones

Question 11

You would set up a __________ in Reverse lookup zones instead of A records.

Answer 11

PTR ( Pointer Record )

Question 12

these rare type records are Popular for VOIP networks

Answer 12

Service location or (SRV) record

Question 13

These types ( DKIM and SPF ) records have gotten real important in the anti-spam world:

Answer 13

TXT records

Question 14

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.

Answer 14

SPF

Question 15

this type of TXT record uses a key or certificate to authenticate email users

Answer 15

DKIM

Question 16

one of oldest and best tools to manage and know what’s going on in your network is:

Answer 16

net command
ex: net view
net user
net use
net share
net accounts
net start
net stop

Question 17

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.

Answer 17

Netbios ( ports 137,138,139 )

Question 18

Around the time of Windows Vista, ___________ was created for Windows Name Resolution for hosts on the same local link.

Answer 18

Linked Local Multicast Name Resolution (LLMNR) uses UDP port 5355

Question 19

This command prompt netbios type tool is used to help tell you what’s going on or problems with your network.

Answer 19

nbstat

Question 20

Every computer has a ______________ to tell the world who it is.

Answer 20

Registered Name

Question 21

What command shows your network IP and Netbios Local Name Table

Answer 21

nbstat -n

Question 22

What command shows your network names in cache?

Answer 22

nbstat -c

Question 23

What command do you use to attempt to talk to other PC’s on the network, or to broadcast your name?

Answer 23

net view

Question 24

What command do you use to see what another computers NETBIOS Local Name table is?

Answer 24

nbstat -a ( computers name )

Question 25

this command shows the latest statistics of whats been going on with your network connections

Answer 25

nbstat -r

Question 26

command to clear your remote cache table

Answer 26

nbstat -R

Question 27

the command to rebroadcast all your computers information over the network is:

Answer 27

nebstat -RR

Question 28

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.

Answer 28

Dynamic DNS

Question 29

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.

Answer 29

IP address

Question 30

To check your DNS IP addresses by looking in your __________ and by using the ____________ command

Answer 30

Network properties in windows ipconfig

Question 31

What command do you use to clear your DNS cache?

Answer 31

flushdns

Question 32

What 3 tools are used to query your DNS server to check the status or see if they are working?

Answer 32

nslookup - sees default DNS information Domain information groper (DIG) "not part of Windows" Ping ( used to check connectivity to an FQDN )