Subnetting Links

Στα παρακάτω link θα βρείτε ασκήσεις για vlsm

http://www1.fccj.cc.fl.us/cschmidt/vlsm_1.htm
http://www1.fccj.cc.fl.us/cschmidt/vlsm_2.htm
http://www1.fccj.cc.fl.us/cschmidt/vlsm_2_ans.htm
http://www1.fccj.cc.fl.us/cschmidt/vlsm_3.htm
http://www1.fccj.cc.fl.us/cschmidt/vlsm_3_ans.htm
http://www1.fccj.cc.fl.us/cschmidt/vlsm_4.htm
http://www1.fccj.cc.fl.us/cschmidt/vlsm_4_ans.htm


Εξαιρετική πηγή ερωτήσεων για κάθε είδος subnetting. Σας δίνει άμεσα και την απάντηση.
http://www.subnettingquestions.com/

Subnetting #3

Find the Class each IP address belong to.

1. 10.250.1.1
2. 150.10.15.0
3. 192.14.2.0
4. 148.17.9.1
5. 193.42.1.1
6. 126.8.156.0
7. 220.200.23.1
8. 230.230.45.58
9. 177.100.18.4
10. 119.18.45.0
11. 249.240.80.78
12. 199.155.77.56
13. 117.89.56.45
14. 215.45.45.0
15. 199.200.15.0
16. 95.0.21.90
17. 33.0.0.0
18. 158.98.80.0
19. 219.21.56.0

Network & Host Part Identification

Circle the network portion of these addresses:

177.100.18.4
119.18.45.0
209.240.80.78
199.155.77.56
117.89.56.45
215.45.45.0
192.200.15.0
95.0.21.90
33.0.0.0
158.98.80.0
217.21.56.0
10.250.1.1
150.10.15.0
192.14.2.0
148.17.9.1
193.42.1.1
126.8.156.0
220.200.23.1
10.15.123.50
171.2.199.31
198.125.87.177
223.250.200.222
17.45.222.45
126.201.54.231
191.41.35.112
155.25.169.227
192.15.155.2
123.102.45.254
148.17.9.155
100.25.1.1
195.0.21.98
25.250.135.46
171.102.77.77
55.250.5.5
218.155.230.14
10.250.1.1


Default Subnet Masks

Write the correct default subnet mask for each of the following addresses:

177.100.18.4 ____________________________

119.18.45.0 _____________________________

191.249.234.191 _________________________

223.23.223.109 _________________________

10.10.250.1 ____________________________

126.123.23.1 ___________________________

223.69.230.250 _________________________

192.12.35.105 __________________________

77.251.200.51 __________________________

189.210.50.1 __________________________

88.45.65.35 ___________________________

128.212.250.254 ________________________

193.100.77.83 __________________________

125.125.250.1 __________________________

1.1.10.50 _____________________________

220.90.130.45 _________________________

134.125.34.9 ___________________________

95.250.91.99 __________________________

Subnetting #2

Given an address and number of borrowed bits find the following information:

Address: 196.111.83.0
Number of Bits Borrowed: 5
Network Class__________________________
Number of Total Subnets _______________
Number of Total Hosts per subnet ________ Number of Usable Hosts_______
Default subnet mask ____________________
Subnet mask (after subnetting) _______________________________

Given an address and number of total subnets find the following information:

Address: 207.32.65.0
Number of Bits Borrowed: _________
Network Class_________
Number of Total Subnets: 8
Number of Total Hosts per subnet ________Number of Usable Hosts ________
Default subnet mask ____________________
Subnet mask (after subnetting) _______________________________


Given an address and number of total subnets find the following information:

Address: 183.41.0.0
Number of Bits Borrowed: _______
Network Class________
Number of Total Subnets: 254
Number of Total Hosts per subnet ________
Number of Usable Hosts ________
Default subnet mask ____________________
Subnet mask (after subnetting) _______________________________

Given an address and number of borrowed bits find the following information:

Address: 129.165.0.0
Number of Bits Borrowed: 4
Network Class__________________________
Number of Total Subnets _______________
Number of Total Hosts per subnet ________ Number of Usable Hosts ________
Default subnet mask ____________________
Subnet mask (after subnetting) _______________________________

Να βρείτε τα 3 ΤΕΛΕΥΤΑΙΑ subnets σε κάθε περίπτωση. (Network Address, Broadcast, 1st Host, Last Host)

Subnetting #1

1.Which IP addresses are network addresses? (Choose two.)

A.64.104.3.7/28
B.192.168.12.64/26
C.192.135.12.191/26
D.198.18.12.16/28
E.209.165.200.254/27
F.220.12.12.33/27

2.A network administrator is building a network for a small business that has 22 hosts. The ISP has assigned only one Internet routable IP address. Which IP address block can the network administrator use to address the network?

A.10.11.12.16/28
B.172.31.255.128/27
C.192.168.1.0/28
D.209.165.202.128/27

3.What subnet mask would be used with the hosts in the 128.107.176.0 /22 network?

A.255.0.0.0
B.255.248.0.0
C.255.255.252.0
D.255.255.255.0
E.255.255.255.252

4.You have been assigned the address block 10.255.255.224 /28 to create the network addresses for point-to-point WAN links. How many of these WANs can you support with this address block?

A.1
B.4
C.7
D.14

5.A network administrator needs to create a new network that has 14 computers and two router interfaces. What subnet mask will provide the appropriate number of IPv4 addresses for this network with minimal wasted addresses?

A.255.255.255.128
B.255.255.255.192
C.255.255.255.224
D.255.255.255.240
E.255.255.255.248
F.255.255.255.252

6.List the ranges of IPv4 addresses for private use.

Practice #2

Επειδή μου ζητήσατε με τα mail σας εξάσκηση και στην μετατροπή απο δυαδικό σε δεκαδικό :

01111101,01000111,11100010,01001101,10100101,00000001,00100110,11000000

10001111,01010001,01111110,00110011,10111011,11110100,10000001,10010011

10101010,00101110,11010001,11011111,11110101,00000010,01001000,01110000

10011101,01100100,01111011,01000011,11001101,11010011,01001011,00111000

00011011,10000110,10101101,00010011,10111111,11101100,10110110,00001111

11111000,10000110,11010010,00100001,01111101,11000011,11111101,11001101

Λίγα για αρχή.......;-)

Practice #1

Λοιπόν...ώρα για εξάσκηση!!Στα παρακάτω θέλω να βρείτε την network και broadcast address. Καθαρά για να κάνετε, όσοι θέλετε, εξάσκηση στις μετατροπές από δεκαδικό σε δυαδικό.

105.77.13.51/29
210.8.58.173/21
126.214.15.161/23
224.16.154.62/23
40.150.120.28/15
42.12.126.0/18
53.174.47.0/23
4.85.241.160/15
107.219.210.255/28
216.120.213.197/19
74.48.122.228/19
233.254.165.208/15
201.215.116.83/27
19.36.52.151/18
23.211.9.134/8
136.162.110.40/11
91.192.54.17/23
147.103.22.140/19
116.144.115.158/21
88.90.133.128/25
184.78.111.176/20
145.26.112.60/17
184.222.209.99/8
82.189.162.47/22
249.186.248.41/30
196.148.189.192/15
188.182.186.141/23
237.228.252.13/24

Όποιος θέλει μπορεί να μου στείλει στο mail μου τις απαντήσεις του για επιβεβαίωση.