Lesson 4: Configuring IP Networks Flashcards
Internet Protocol (IP) works on what layer?
Layer 3 - Network
T/F IP provides guaranteed delivery
F - IP provides best-effort delivery of an unreliable and connectionless nature, delivery is not guaranteed.
What is TTL?
Time To Live (TTL)
Maximum hop count
What are the two parts of an IP address?
[192.168.0][.1]
First three octets are the Network ID
Last octet is the Host ID
How many bits in an octet
8
Network ID
This number is common to all hosts on the same network.
Host ID
This unique number identifies a host on a particular network
Base 10
In base 10 (decimal) a digit can take any one of ten different values (0 through 9)
Base 2
In base 2 (binary), digits can take one of two different values (0 and 1)
Default Gateway
default gateway is the IP address of a router on the same IP network as the host
How to verify the IP configuration on Windows-based systems?
> ipconfig
How to verify IP configuration on Linux systems
$ifconfig
What is a use for ICMP
Internet Control Message Protocol
ping/echo request/reply
Ping
> ping 192.168.0.1
Reply from, round trip time, and packet loss
Ping - Destination unreachable
No route to host
Check IP config and router (default gateway)
Ping - No reply/timed out
Host/interface is down
Host cannot route the reply
Firewall configuration
What does >ping -a and >ping -t do?
ping -a resolves host names
ping -t pings continuously until stopped
Multicast
One-to-many or many-to-many
uses special address ranges
Class D
224.0.0.0 - 239.255.255.255
Experimental
Class E
240.0.0.0 - 255.255.255.255
What is the purpose of subnet design
To split up broadcasat domains and reduce broadcast traffic to improve performance.
Create logically distinct zones for security and administration
