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IT280 Reviewer > E6 IPV4 > Flashcards

E6 IPV4 Flashcards

1
Q

Describe base 2.

A

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

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2
Q

Describe base 8.

A

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

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3
Q

Describe base 10.

A

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

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4
Q

Describe base 16.

A

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.

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5
Q

Describe base 60.

A

(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

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6
Q

Describe base 64.

A

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.

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7
Q

Describe base 256.

A

(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.

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8
Q

What is an octet?

A

8 bits

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9
Q

How many bits in a byte?

A

8

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10
Q

How many bits in a nybble?

A

4

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11
Q

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

A

8

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12
Q

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

A

10

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13
Q

What are the two meanings of kilo?

A

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

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14
Q

What are the two meanings of meg?

A

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

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15
Q

What are the two meanings of gig?

A

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

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16
Q

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

A

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

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17
Q

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

A

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

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18
Q

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

A

0.0.0.0/8

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19
Q

What is the Class A Private Address Range?

A

10.0.0.0/8

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20
Q

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

A

1

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21
Q

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

A

10.0.0.0

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22
Q

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

A

10.0.0.1

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23
Q

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

A

10.255.255.255

24
Q

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

A

10.255.255.254

25
Q

What is the local host Private Address Range?

A

127.0.0.0/8

26
Q

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

A

169.254.0.0/16

27
Q

How are Link Local (APIPA) addresses assigned?

A

Each computer pick its own

28
Q

What is the Class B Private Address Range?

A

172.16.0.0/12

29
Q

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

A

16

30
Q

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

A

172.16.0.0

31
Q

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

A

172.16.0.1

32
Q

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

A

172.31.255.255

33
Q

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

A

172.31.255.254

34
Q

What is the Class C Private Address Range?

A

192.168.0.0/16

35
Q

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

A

256

36
Q

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

A

192.168.0.0

37
Q

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

A

192.168.0.1

38
Q

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

A

192.168.255.255

39
Q

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

A

192.168.255.254

40
Q

What is the IPv4 global broadcast address?

A

255.255.255.255

41
Q

What does CIDR stand for?

A

classless inter-domain routing

42
Q

What does CIDR notation look like?

A

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

43
Q

What is the other name for slash notation?

A

CDIR

44
Q

What is the other name for CIDR?

A

slash notation

45
Q

What does VLSM stand for?

A

variable length subnet mask

46
Q

Software port numbers range from 0 up to what number?

A

65535

47
Q

What is port 21 normally used for?

A

ftp or file transfer protocol

48
Q

What is port 22 normally used for?

A

ssh, secure shell

49
Q

What is port 23 normally used for?

A

telnet

50
Q

What is port 25 normally used for?

A

email

51
Q

What is port 443 normally used for?

A

https

52
Q

What is a client?

A

a computer that makes requests

53
Q

What is a server?

A

A computer that answers requests.

54
Q

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

A

80

55
Q

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

A

443

56
Q

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

A

21

57
Q

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

A

25

IT280 Reviewer (6 decks)

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