Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
31 Cards in this Set
- Front
- Back
|
What was the original competing standard against TCP/IP in the 70's?
|
The OSI model.
|
|
|
Why was the OSI model not chosen?
|
Address were to complex, used hexadecimal.
|
|
|
Why is it ironic that OSI model was not chosen?
|
We are in need of additional addresses, that's why IPv6 was created.
|
|
|
What is the TCPIP Model also known as?
|
DoD or Department of Defense Model
|
|
|
What was the original competing standard against TCP/IP in the 70's?
|
The OSI model.
|
|
|
Why was the OSI model not chosen?
|
Address were to complex, used hexadecimal.
|
|
|
Why is it ironic that OSI model was not chosen?
|
We are in need of additional addresses, that's why IPv6 was created.
|
|
|
What is the TCPIP Model also known as?
|
DoD or Department of Defense Model
|
|
|
What is the fourth layer in the TCPIP model?
|
The first 3 layers of the OSI are combined into the Application layer.
|
|
|
What is the third layer of the TCPIP model?
|
Host to Host transport layer provides end to end data delivery services.
|
|
|
What is the second layer of the TCPIP model?
|
Internetwork layer defines the datagram and handles the routing of data.
|
|
|
What is the first layer of the TCPIP model?
|
Network access layer consists of routines for accessing physical networks.
|
|
|
What is TCPIP?
|
A suite of protocols.
|
|
|
What is the reason for subnetting?
|
Cuts down on broadcast traffic.
|
|
|
What is a router?
|
A router is multiple networks.
|
|
|
What does each inteface do on a router?
|
Each interface is a different network. You cannot combine 2 interfaces into one network.
|
|
|
What kind of message is an ARP?
|
ARP is a broadcast message.
|
|
|
What does ARP do?
|
Resolves IP addresses to MAC addresses.
|
|
|
What do computers use to speak?
|
MAC addresses, IPs used to find MAC addresses.
|
|
|
What is the number 1 function of a router?
|
To stop broadcasts between networks, and also to tie networks together.
|
|
|
What does a comp do when it wants to talk to a machine on a different network?
|
It ARPS for the default gateway to obtain the MAC address.
|
|
|
What does it do after it obtains default gateway?
|
Asks Router what its best path is to get to device. Router consults routing table.
|
|
|
What does Router do after it consults its routing table?
|
Router found a path so it forwards packet to the next router claiming to know how to get to the new network.
|
|
|
What is 127.0.0.0?
|
Loop Back Address
|
|
|
What is a class A address?
|
0.0.0.0-127.255.255.255
|
|
|
What is a class B address?
|
128.0.0.0-191.255.255.255
|
|
|
What is a class C address?
|
192.0.0.0-223.255.255.255
|
|
|
What should maximum hosts on subnet be before traffic is to heavy?
|
500
|
|
|
Where do ISPs buy address blocks?
|
ISPs buy them from the goverment.
|
|
|
What does NAT do?
|
Allows many devices to share 1 public IP.
|
|
|
What is the AUTO CONFIG (APIP) range?
|
169.254.x.x Address range used if device can't contact DHCP server.
|
