it computer maintenance name ip tutorial from … computer...it computer maintenance name _____ ip...

IT Computer Maintenance Name ______________________________

IP Tutorial from About.com, Computing > Wireless/Networking

Go to http://compnetworking.about.com/od/workingwithipaddresses/l/blip.htm . You are going to read

through 8 web pages on IP (Internet Protocol) and as you do, try and find the answers for the following

questions:

When you are finished, take the quiz at the end of this packet.

Start with Lesson 1 on the page and click on What IP addresses look like. Read the sections IPv4

and IPv6 and answer the following:

1) When was IPv4 developed? _______________________________________

2) How many bits long is the address? ________________________________

3) What are the four bytes also known as? ____________________________

4) Since humans don’t read binary well, we have broken the 32 bits into 4 groups and put

a decimal in between each group. We then convert the binary numbers of each group

into decimal numbers and can then read the address. What is the notation called that

humans use? _______________________________________

5) What is the range that IP addresses can be represented:

___________________________________________________________________

6) How many IPv4 addresses can exist in this range? ___________________________

7) IPv6 addresses are how long? ________________________________________

8) How many addresses can be represented in IPv6?

_________________________________________________________________

9) How are IPv 6 addresses generally written?

_________________________________________________________________

At this point, click on the link: Classes of IP Addresses that takes you to page 2 of the lesson and

continue to answer the questions.

10) How many classes of IP addresses are there? __________________________

11) What are the names of the classes? ___________________________________

12) Which of the 4 octets determines what the class of the IP address is?

_________________________________________________________________

Fill in the following IP Table:

Class Leftmost bits Start Address Finish address

13) What range of IP addresses is reserved? ________ What does this mean?

___________________________________________________________________

14) What is a limited broadcast? ___________________________________________

___________________________________________________________________

15) What is a multicast? _________________________________________________

___________________________________________________________________

http://compnetworking.about.com/od/workingwithipaddresses/l/blip.htm

http://compnetworking.about.com/library/weekly/aa042400a.htm

http://compnetworking.about.com/library/weekly/aa042400b.htm


16) What class of IP addresses is reserved for multicasts? _______________________

17) What classes of IP addresses are used on IP networks?

__________________________________________________________________

At this point, click on IP Loopback, Private Addresses, and IPv6 Address Types and it takes you to

page 3 of the tutorial, continue to answer the questions.

18) What is a loopback address? __________________________________________

19) What is the designated IP loopback address? ______________________________

20) What ranges of IP addresses did the creators of IP reserve and not allow you to use

(besides Classes D and E)? _____________________________________________

__________________________________________________________________

21) What is a private IP address? __________________________________________

__________________________________________________________________

Fill in the following table of private IP addresses:

Class Private Start Address Private Finish Address

22) When can you use private IP addresses? _________________________________

___________________________________________________________________

___________________________________________________________________

23) What is NAT? _______________________________________________________

24) What are the three address types for IPv6?

__________________________________________________________________

25) What are the same types of addresses in IPv4 and IPv6?

__________________________________________________________________

26) What is an anycast address? ___________________________________________

__________________________________________________________________

27) What are the IPv6 reserved addresses and what are they used for?

______________________________________________________________________

________________________________________________________________

Now click on the link Internet Protocol Profile to take you to page 4 of the tutorial and continue to

answer questions as you read.

Using the information on the page, complete the following view of an IP Packet:

OSI Layer that packets exist? ______________________

Header

Part Word 1 Word 2 Word 3 Word 4 Word 5 Length Payload

Contents

Size

Now click on the link DNS - The Domain Name System to take you to page 5 of the tutorial and continue

to answer questions as you read.

http://compnetworking.about.com/library/weekly/aa042400c.htm

http://compnetworking.about.com/cs/protocols/p/protocol_ip.htm



28) What does DNS stand for? _______________________________________

29) What does DNS do? ____________________________________________

____________________________________________________________

30) What kind of architecture does DNS use? ___________________________

31) What does a computer do when you type in the URL for a website and the computer

does not know the IP address that is associated with that website? ____________

______________________________________________________________________

________________________________________________________________

Click on What Is a DNS Server? To continue onto page 6 of the tutorial and continue to answer questions

as you read.

32) What is a DNS server? ________________________________________________

33) What kind of software does a DNS server run? ______________________________

___________________________________________________________________

34) How many DNS Root servers exist? ______________________________________

35) Who maintains DNS servers around the world ? _____________________________

__________________________________________________________________

36) Could the internet exist without DNS servers? _____________________________

37) How can you find out what your DNS server on your computer is?

__________________________________________________________________

Now, click on the back arrow to go back to DNS - The Domain Name System and scroll down to start

reading at Types of DNS lookups, continue to answer questions as you go:

38) What purposes is DNS used for?

a.

b.

c.

39) What is the alternative to DNS? What are its limitations? __________________

_________________________________________________________________

Next, click on IP Network Numbering to continue on in the tutorial. IP Network partitioning gets you

reading about how and why networks are split up. Answer these questions as you go:

40) What is a segment? __________________________________________________

41) What does a subnet support?

___________________________________________________________________

42) What is every host on a network assigned? ______________________________

43) What does networking numbering allow? _________________________________

__________________________________________________________________

44) What do network numbers look like? ____________________________________

45) What is the portion of the IP address that is not network name called?

___________________________________________________________________

46) What is a network mask? _____________________________________________

__________________________________________________________________

47) What are the benefits of network addressing? _____________________________

______________________________________________________________________

http://compnetworking.about.com/od/dns_domainnamesystem/f/dns_servers.htm


http://compnetworking.about.com/od/workingwithipaddresses/l/aa042900a.htm


________________________________________________________________

Click on IP Subnetting to go to the next page in the tutorial. This section teaches about subnets. Answer

questions as you read.

48) What do subnets improve? __________________________________________

49) How is a subnet mask like an IP address? _______________________________

_________________________________________________________________

50) How does a subnet mask work with an IP address? _______________________

__________________________________________________________________

__________________________________________________________________

Now click on IP Subnetting in Practice link where it says next page to go on. This next section gives an

idea of how networks are subnetted.

51) What happens to the host bits in the subnet mask as they are borrowed to become

network bits? _______________________________________________________

52) What are the ranges of the private IP addresses anyone can use?

Network Address Range Default Mask

Next, click on Introduction to CIDR to go to page 8 of the tutorial. As you read, answer the following

questions:

53) What does CIDR stand for? ___________________________________________

54) What does the / notation signify to the computer? __________________________

55) Does CIDR recognize IP address class? __________________________________


http://compnetworking.about.com/library/weekly/aa043000b.htm



It is time to take a practice quiz. Answer the following questions by circling what you think is the correct answer. 1) What is the size of today’s standard IPv4 address? A) 4 bytes (32 bits) B) 12 Bytes (96 bits) C) 15 Bytes (120 bits) D) 16 Bytes (128 bits) 2) What is the size of the next-generation(IPv6) IP address? A) 4 bytes (32 bits) B) 12 Bytes (96 bits) C) 15 Bytes (120 bits) D) 16 Bytes (128 bits) 3) What Open Systems Interconnection (OSI) Layer does IP belong to? A) session B) transport C) network D) data link 4) Which of the following higher-level protocols runs over IP? A) FTP B) HTTP C) SMTP D) All of them 5) Which of the following IPv4 addresses is the loopback address? A) 0.0.0.0 B) 10.0.0.1 C) 127.0.0.1 D) 255.255.255.255 6) Which of the following IPv6 addresses is the loopback address? A) 0::0 B) 0::1 C) 127::0 D) 127::1 7) The length of an IP datagram header can very depending on the options used. What is the smalles possible IP header size? A) 16 bytes B) 20 bytes C) 24 bytes D) 60 bytes 8) The source IP address for an IPv4 datagram is stored where in the header? A) 2

nd longword B) 3

rd longword C) 4

th longword D) 5

th longword

9) The destination IP address for an IPv4 datagram is stored where in the header? A) 2

nd longword B) 3

rd longword C) 4

th longword D) 5

th longword

10) the header length field in an IPv4 datagram contains the size of an IP header measured in the number of … A) bits B) bytes C) longwords D) none of these 11) The maximum size of an IP datagram (including the header) is – A) 1024 bytes B) 1500 bytes C) 4096 bytes D) 65526 bytes 12) Can IP run over any other physical networks besides Ethernet? A) yes B) no 13) Each of the four numeric fields of an IP address written in dotted-decimal notation is also known as … A) word B) Octet C) Subnet D) class 14) What are the smallest and largest possible values for an IP Octet? A) 0 and 255 B) 0 and 256 C) 0 and 100 D) O and 1 15) Which of the following IP address ranges is reserved for use on private networks? A) 10.0.0.0 – 10.255.255.255 B) 172.16.0.0 – 172.331.255.255 C) !92.168.0.0 – 192.168.255.255 D) all of them 16) Which of the following technologies manage the conversation between IP addresses and host names? A) WINS B) DNS C) NIS D) all of the above 17) The default network mask for Class C IP addresses is… A) 255.0.0.0 B) 255.255.0.0 C) 255.255.255.0 D) 255.255.255.255

it computer maintenance name ip tutorial from … computer...it computer maintenance name _____ ip...

Documents