E6 IPV4

Question 1

Describe base 2.

Answer 1

It is a numbering system, The digits range from 0 to 1, Each digit represents 1 bit, It is also called a binary

Question 2

Describe base 8.

Answer 2

It is a numbering system, The digits range from 0 to 7, Each digit represents 3 bit, It is also called a octal

Question 3

Describe base 10.

Answer 3

It is a numbering system, The digits range from 0 to 9, Each digit represents 3 1/3 bit, It is also called a decimal

Question 4

Describe base 16.

Answer 4

It is a numbering system, The digits range from 0 to 9 and A to F, Each digit represents 4 bit, It is also called a hexadecimal.

Question 5

Describe base 60.

Answer 5

(a) It is a numbering system. (b) The digits range from 0 to 59. (c) It is
used for time and angle measurement, including navigation. (d) Because
the digits are multi-character, in writing they are normally separated by
another character

Question 6

Describe base 64.

Answer 6

It is a coding system. The characters includes A-Z, a-z, 0-9 and two others. Each character represents 6 bits. It is used for data transmitting as though it were text.

Question 7

Describe base 256.

Answer 7

(a) It is a numbering system. (b) It uses multi-character ‘digits’ 0-255.
(c) Each digit represents 8 bits. (d) In writing the digits are normally
separated by dots.

Question 8

What is an octet?

Answer 8

8 bits

Question 9

How many bits in a byte?

Answer 9

8

Question 10

How many bits in a nybble?

Answer 10

4

Question 11

The number 0755 is assumed to be in what number base?

Answer 11

8

Question 12

The number 755 is assumed to be in what number base?

Answer 12

10

Question 13

What are the two meanings of kilo?

Answer 13

Ten to the third power, and two to the tenth power

Question 14

What are the two meanings of meg?

Answer 14

Ten to the sixth power. Two to the 20th power.

Question 15

What are the two meanings of gig?

Answer 15

Ten to the ninth power. Two to the 30th power.

Question 16

In a net mask, what do the 1s mean?

Answer 16

The 1s indicate the part of the address that is the network number.

Question 17

In a net mask, what do the 0s mean?

Answer 17

The 0s indicate the part of the address that is the host number.

Question 18

What is the IPv4 special address range for the local network?

Answer 18

0.0.0.0/8

Question 19

What is the Class A Private Address Range?

Answer 19

10.0.0.0/8

Question 20

In the Class A Private Address Range, how many (classful) networks are there?

Answer 20

1

Question 21

In the Class A Private Address Range, what is the first IP address?

Answer 21

10.0.0.0

Question 22

In the Class A Private Address Range, what is the first host address?

Answer 22

10.0.0.1

Question 23

In the Class A Private Address Range, what is the last IP address?

Answer 23

10.255.255.255

Question 24

In the Class A Private Address Range, what is the last host address?

Answer 24

10.255.255.254

Question 25

What is the local host Private Address Range?

Answer 25

127.0.0.0/8

Question 26

What is the Link Local (APIPA) Private Address Range?

Answer 26

169.254.0.0/16

Question 27

How are Link Local (APIPA) addresses assigned?

Answer 27

Each computer pick its own

Question 28

What is the Class B Private Address Range?

Answer 28

172.16.0.0/12

Question 29

In the Class B Private Address Range, how many (classful) networks are there?

Answer 29

16

Question 30

In the Class B Private Address Range, what is the first IP address?

Answer 30

172.16.0.0

Question 31

In the Class B Private Address Range, what is the first host address?

Answer 31

172.16.0.1

Question 32

In the Class B Private Address Range, what is the last IP address?

Answer 32

172.31.255.255

Question 33

In the Class B Private Address Range, what is the last host address?

Answer 33

172.31.255.254

Question 34

What is the Class C Private Address Range?

Answer 34

192.168.0.0/16

Question 35

In the Class C Private Address Range, how many (classful) networks are there?

Answer 35

256

Question 36

In the Class C Private Address Range, what is the first IP address?

Answer 36

192.168.0.0

Question 37

In the Class C Private Address Range, what is the first host address?

Answer 37

192.168.0.1

Question 38

In the Class C Private Address Range, what is the last IP address?

Answer 38

192.168.255.255

Question 39

In the Class C Private Address Range, what is the last host address?

Answer 39

192.168.255.254

Question 40

What is the IPv4 global broadcast address?

Answer 40

255.255.255.255

Question 41

What does CIDR stand for?

Answer 41

classless inter-domain routing

Question 42

What does CIDR notation look like?

Answer 42

a slash followed by a number from 0 - 32, like /21

Question 43

What is the other name for slash notation?

Answer 43

CDIR

Question 44

What is the other name for CIDR?

Answer 44

slash notation

Question 45

What does VLSM stand for?

Answer 45

variable length subnet mask

Question 46

Software port numbers range from 0 up to what number?

Answer 46

65535

Question 47

What is port 21 normally used for?

Answer 47

ftp or file transfer protocol

Question 48

What is port 22 normally used for?

Answer 48

ssh, secure shell

Question 49

What is port 23 normally used for?

Answer 49

telnet

Question 50

What is port 25 normally used for?

Answer 50

email

Question 51

What is port 443 normally used for?

Answer 51

https

Question 52

What is a client?

Answer 52

a computer that makes requests

Question 53

What is a server?

Answer 53

A computer that answers requests.

Question 54

What is the well-known port number for web servers?

Answer 54

80

Question 55

What is the well-known port number for secure web servers?

Answer 55

443

Question 56

What is the well-known port number for file transfer protocol (ftp) servers?

Answer 56

21

Question 57

What is the well-known port number for email servers?

Answer 57

25