Welcome! Log In Create A New Profile

Introduction: Lesson 2:Topic 2C

Announcements		Last Post
	SoC Curricula	09/30/2017 01:08PM
	Demarcation or scoping of examinations and assessment	02/13/2017 07:59AM
	School of Computing Short Learning Programmes	11/24/2014 08:37AM
	Unisa contact information	07/28/2011 01:28PM

Forums Messages New

Sylvester-77342283

Introduction: Lesson 2:Topic 2C
July 17, 2011 05:29PM

Registered: 12 years ago
Posts: 88
Rating: 0

Done

Reply Quote

JND-73058017

Re: Introduction: Lesson 2:Topic 2C
July 17, 2011 08:13PM

Registered: 13 years ago
Posts: 137
Rating: 0

Done

Reply Quote

NathiN

Re: Introduction: Lesson 2:Topic 2C
July 18, 2011 11:56AM

Registered: 12 years ago
Posts: 12
Rating: 0

done

Reply Quote

hagar-77360575

Re: Introduction: Lesson 2:Topic 2C
July 18, 2011 07:05PM

Registered: 12 years ago
Posts: 87
Rating: 0

Done

Reply Quote

mhesse-77338049

Re: Introduction: Lesson 2:Topic 2C
July 20, 2011 09:19AM

Registered: 12 years ago
Posts: 76
Rating: 0

Done

Reply Quote

Leilani-77354265

Re: Introduction: Lesson 2:Topic 2C
July 20, 2011 11:25AM

Registered: 12 years ago
Posts: 98
Rating: 0

DONE!

Reply Quote

Psydewinder

Re: Introduction: Lesson 2:Topic 2C
July 20, 2011 08:44PM

Registered: 12 years ago
Posts: 88
Rating: 0

I have read Lesson 2: Topic 2C and understand it, and did the required tasks spinning smiley sticking its tongue out

Reply Quote

wiriranai kandemiiri-77314441

Re: Introduction: Lesson 2:Topic 2C
July 22, 2011 12:33PM

Registered: 12 years ago
Posts: 31
Rating: 0

LESSEN 2: TASK 2C-2
LESSON 2: HOW COMPUTERS COMMUNICATE ON THE INTERNET
1. What is wrong with the IP address 221.100.155.0
Answer: It is invalid: This address refers to network class C, which means 0 represent the host and according to the IP address rules 0 must not set for host it refers to network address.
2. Is the IP address of 187.131.255.5? Why or why not?
Answer: Yes, it’s valid. Because 187.131 represent network address and 255.5 represent the host and which is all accordingly with the IP address rules.
3. Is the IP address of 121.0.0.1 valid? Why or why not?
Answer: Yes, it’s valid. Because 121.0 is the network address and 0.1 is host address which both is permitted with the IP address rules.

By: W. KANDEMIIRI
16-07-2011

W. KANDEMIIRI-77314441

Reply Quote

Khanyisani-77341260

Re: Introduction: Lesson :Topic C
July 25, 2011 10:10AM

Registered: 12 years ago
Posts: 43
Rating: 0

Completed

Reply Quote

Khanyisani-77341260

Re: Re: Introduction: Lesson 2:Topic 2C
July 25, 2011 10:13AM

Registered: 12 years ago
Posts: 43
Rating: 0

Dusted

Reply Quote

Recharge-77338170

Re: Introduction: Lesson 2:Topic 2C
August 04, 2011 12:25AM

Registered: 12 years ago
Posts: 42
Rating: 0

Done, a bit confusing but I think I understand the basics about the IP address and the host address

Reply Quote

TheJet-77324501

Re: Introduction: Lesson 2:Topic 2C
August 07, 2011 07:03PM

Registered: 12 years ago
Posts: 56
Rating: 0

Dusted.

Reply Quote

Bryan_77342208

Re: Introduction: Lesson 2:Topic 2C
August 09, 2011 07:03PM

Registered: 12 years ago
Posts: 51
Rating: 0

Done!!!

Reply Quote

crazyk-77323726

Re: Introduction: Lesson 2:Topic 2C
August 10, 2011 01:20PM

Registered: 12 years ago
Posts: 32
Rating: 0

done

Reply Quote

loml-77347277

Re: Introduction: Lesson 2:Topic 2C
August 21, 2011 12:08PM

Registered: 12 years ago
Posts: 82
Rating: 0

Done!

Reply Quote

Rusty-77332962

Re: Introduction: Lesson 2:Topic 2C
October 21, 2011 09:37AM

Registered: 12 years ago
Posts: 80
Rating: 0

done

Reply Quote

MarkD2013

Re: Introduction: Lesson 2:Topic 2C
July 09, 2013 08:49PM

Registered: 10 years ago
Posts: 19
Rating: 0

Done!
Q 3. IP 121.0.0.1 Class A ; 121 = Network. 0.0.1 = host Valid yes!

Mark Dewey
78057264