Ports and Protocols
Subnetting
Addressing
OSI
Equipment
100
This port is used for web (http) traffic.
What is 80?
100
This is also known as slash notation.
What is CIDR?
100
The tpye of IP address that is 32 bits in length.
What is IPv4?
100
The layer that deals with actual "bits on the wire".
What is physical layer?
100
This device is used to connect different networks.
What is a router?
200
This protocol is used to send email.
What is SMTP?
200
The class A default subnet mask.
What is 255.0.0.0?
200
The class C private IP range.
What is 192.168.0.0 - 192.168.255.255?
200
The layer that IP addressing takes place at.
What is layer 3?
200
This cabling type uses RJ-45 terminations and can be shielded or unshielded.
What is UTP/STP?
300
This port is used for NTP (Network Time Protocol).
What is 123?
300
The binary number for 128.
What is 10000000?
300
The class B range of private IPs.
What is 172.16.0.0 - 172.31.255.255?
300
The layer that uses MAC addressing.
What is layer 2?
300
This device is used to separate collision domains.
What is a switch?
400
This protocol is used to allow browsing by domain name.
What is DNS?
400
16777214
What is the number of hosts available per network in a class A default subnet?
400
This range is technically a class A but is reserved for local-loopback use.
What is the 127.0.0.0 - 127.255.255.255 range?
400
This layer is where ports gets used.
What is layer 4?
400
A host.
What is any device that uses a network?
500
This protocol is used to issue network information to systems that do not use static IPs.
What is DCHP?
500
By borrowing bits from the host range of a subnet mask.
How are subnets created?
500
This class A range is for private use.
What is the 10.0.0.0 - 10.255.255.255 range?
500
This layer uses packets.
What is layer 3?
500
This cabling uses light to transmit data.
What is fiber?
M
e
n
u