WellKnownPort#s
CLI Commands
IEEE 802.x
IP Subnet
OSI Model/Cables
100
21
What is the FTP Port?
100
Converts names to MAC addresses
What is ARP?
100
Tracert/Traceroute
What tests and displays the route used to reach a remote network node?
100
255.0.0.0
What is the class A default subnet mask?
100
Data link layer
What layer does a bridge work on?
200
25
What is the Simple Main Transfer Protocol (SMTP) port?
200
Ipconfig/Ifconfig
What displays node IP configuration?
200
802.2
What is Logical Link Control sublayer?
200
255.255.255.0
What is the class B default subnet mask?
200
100 meters
What is the maximum distance a network administrator should run 1000 Mbps ether cabling?
300
53
What is the Domain Name System (DNS) port?
300
Netstat
What displays network status?
300
802.3
What is Ethernet?
300
Class C default subnet mask
What is 2555.255.255.0
300
2000 meters
What is the maximum distance that fiber optic cable may be run?
400
80
What is the Yhpertext Transfer Protocol port?
400
NSlookup
What converts names to IP addresses?
400
802.5
What is Token Ring?
400
Either OK: *Coaxial cable can be run futher *Coaxial cable can better withstand RFI
What is one main advantage to using coaxial cable over UTP cable?
500
110
What is Post Office Protocol 3 (POP3) port?
500
Ping
What tests the connectivity to a remote TCP/IP network node
500
802.11b
What is Wireless Ethernet?
500
Network layer
What layer of the OSI model does a router operate on (mostly)?
500
A way of subnetting IPV4 addresses that provides additional flexability in setting network and host segments.
What is CIDR (Classless interdomain routing)-you may look in your book for this (p. 494.)
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