The Network Layer of the TCP/IP model

Question 1

what is an IP address made of?

Answer 1

32 bits with four octets, each octet described in decimal numbers.

Question 2

how many numbers can 8 bits of data or a single octet represent?

Answer 2

all decimal numbers from 0 to 255, any number above 255 would be an invalid part of an IP address.

Question 3

What format is an IP address in

Answer 3

dotted decimal notation. 1.1.1.1

Question 4

How are IP addresses distributed

Answer 4

large sections to various organizations and companies instead of being determined by hardware vendors

Question 5

IP addresses are more ____ and ______ to _____ ____ about then physical addresses are

Answer 5

hierarchical, easier, store data

Question 6

what IP does IBM own

Answer 6

every IP address that has the number 9 as the first octet.

Question 7

what do IP addresses belong to?

Answer 7

networks, not the device is attached to networks.

Question 8

What kind of address is always the same and cannot be configured?

Answer 8

mac addresses

Question 9

what kind of address can change depending on what network you are connected to

Answer 9

IP addresses

Question 10

DHCP

Answer 10

dynamic host configuration protocol

Question 11

what assigns IP addresses

Answer 11

dynamic host configuration protocol, by a LAN.

Question 12

was an IP address assigned by DHCP called

Answer 12

dynamic IP address

Question 13

what is a static IP address

Answer 13

an IP address that needs to be configured on a node manually

Question 14

what are static IP address is typically reserved for?

Answer 14

servers and network devices

Question 15

what are dynamic IP addresses reserved for?

Answer 15

clients, t typically

Question 16

TWo Primary Parts of an IP Datagram:

Answer 16

Header, Payload

Question 17

IP Datagram definition:

Answer 17

a highly structured series of fields that are strictly defined in the payload of an ethernet frame.

Question 18

IP Datagram header fields

Answer 18

version 4, header length 4, service type8, total length 16, identification 16, flags 3, fragment offset, TTL 8, protocol 8, header checksum 16, source IP address 32, Destination IP address 32, Options 24, Padding 8.

Question 19

the first field in an IP data gram header, 4 bits, indicates what version of internet protocol is being used.

Answer 19

version field

Question 20

the second field in an IP data gram header. a four bit field that declares how long the entire header is.

Answer 20

the header length field

Question 21

how long is an IP data gram header almost always?

Answer 21

20 bytes for IPv4

Question 22

what is the minimum length of an IP header?

Answer 22

20 bytes

Question 23

the third field in an IP data gram header. 8 bits that can be used to specify details about QoS technologies

Answer 23

service type field

Question 24

services that allow routers to make decisions about which IP data gram may be important than others.

Answer 24

Quality of Service technology. QoS technology.

Answer 24

total length field