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Flashcards in Subnetting Deck (21):
0

Private address ranges

10.0.0.0-10.255.255.255
172.16.0.0-172.31.255.255
192.168.0.0-192.168.255.255

1

Multicast address range

224.0.0.0-239.239.255.255.255

2

Use of broadcast addresses

Requesting an address

Exchanging routing information by routing protocol

Mapping upper layer addresses to lower layer address

3

Reserved local link local address range (on local network)

224.0.0.0-224.0.0.255

4

Globally scoped address range (across Internet)

224.0.1.0-238.255.255.255
Ex: network time protocol (224.0.1.1)

5

Limited broadcast

Broadcast to local network 255.255.255.255

6

Directed network

Broadcast towards specific network

Ex: 172.16.4.0/24
172.16.4.255

7

Uses of multicast

News feeds
Distribution software
Video, audio distribution

8

Apipa

169.254.0.0/16 address block

When dhcp is not avail

9

Default routes...

0.0.0.0/8

10

Loop back block

127.0.0.0-127.255.255.255

11

Use structured process because

Prevents address duplication
Monitors security and performance
Providing and controlling access

12

Tier 1 ISP

Internet backbone

13

Tier 2 ISP

Business customers

14

Tier 3 ISP

Retail, home markets

15

Ipv6 address

128 bit hierarchical addressing

16

Anding

Used to determine an acceptable route for an incoming packet; helps determine network address using host address and subnet mask

17

Ping 127.0.0.1

Indicates ip is properly installed on host

18

Ping

Responds with icmp echo reply; time of each response is indicator of network performance

19

Icmp may include:

Host confirmation
Unreachable destination or service
Ttl
Source quench: tells source to stop sending packets or datagrams
Route redirection: abetter route is avail

20

Unreachable dest

0 net unreachable
1 host unreachable
2 protocol unreachable
3 port unreachable