Layer 3 Addressing

Question 1

Layer 3 addresses are assigned to devices using?

Answer 1

Internet Protocol (IP)

Question 2

Purpose of Internet Protocol?

Answer 2

in order to exchange data on a network

Question 3

Routed Protocols

Answer 3

Define the way information is packaged and sent from one network device to another.

Simply address the packet of information.

Question 4

Routing Protocols

Answer 4

Determine the path from the source address to the destination address

Question 5

(True/False) Layer 3 addresses are built into a piece of hardware?

Answer 5

False, Layer 3 addresses are typically assigned by a network administrator to a particular device.

Question 6

(True/False) Because these addresses are not tied to a particular piece of hardware, the addresses can be reused when a device is upgraded or replaced with another device?

Answer 6

True

Question 7

Two General Categories of IP Addresses?

Answer 7

Public IP Addresses
Private IP Addresses

Question 8

Public IP Addresses

Answer 8

Globally Unique Addresses

Question 9

Private IP Addresses

Answer 9

Locally Unique Addresses that are not intended to be routable across public networks, such as the internet; instead they are intended to be used only on internal networks.

Question 10

Two Versions of IP used in networking today

Answer 10

IP Version 4 (IPv4)
IP Version 6 (IPv6)

Question 11

(True/False) IP is a routed protocol?

Answer 11

True

Question 12

(True/False) IP is a logical addressing method?

Answer 12

True

Question 13

What layer of the OSI model do IP operate within?

Answer 13

Network Layer

Question 14

How many octets, in length, is a basic IPv4 Header (without options)?

Answer 14

20 octets in length

Question 15

20 octets is = to ____ bytes

Answer 15

20 bytes

Question 16

20 octets is = to ____ bits

Answer 16

160 bits

Question 17

How many fields make up an IP header (not including options)

Answer 17

12 fields

Question 18

Is data part of the IP Packet or IP Header?

Answer 18

IP Packet

Question 19

How many bit is an IP address number?

Answer 19

32-bit number

Question 20

Loopback addresses

Answer 20

All addresses in the 127.0.0.0/8 network are reserved for testing purposes.

Question 21

Private IP addresses

Answer 21

Internal networks
10.0.0.0/8
172.16.0.0/12
192.168.0.0/16
are not routable across the internet

Question 22

Automatic Private IP Addresses (APIPA)

Answer 22

169.254.0.0/16 addresses are link-local private addresses that are randomly generated by a client when the client cannot dynamically obtain an IP address.

Question 23

Multicast Addresses

Answer 23

224.0.0.0/4 addresses are used to send a single stream of data to multiple devices simultaneously, thereby conserving bandwidth.

Question 24

Global Broadcast Address

Answer 24

255.255.255.255 used to send data to every computer on a network or subnetwork.

Question 25

Binary System

Answer 25

base-2 system

Question 26

What is base-2 system

Answer 26

meaning that every possible number can be composed of only two different character choices

Question 27

base-2 counts in?

Answer 27

Binary

Question 28

base 8 counts in?

Answer 28

Octal

Question 29

base 10 counts in?

Answer 29

Decimal

Question 30

base 16 counts in?

Answer 30

Hexadecimal