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57 Cards in this Set
- Front
- Back
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When an IPv4 address is written in x.x.x.x format, the possible value
for x range from 0 to what? |
255
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Describe base 2
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Is a numbering system, digits range from 0-1, each digit represents 1 bit, also called binary
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Describe base 8
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It is a nubering system, digits range from 0-7, Each digit represents 3 bigs, it is also called octal
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Describe base 10
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a numbering system with values between 0-9 each number represents 3 and 1/3 bits, also known as decimal
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Describe base 16
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a numbering system with values between 0-9 and A-F each number represents 4 bits, also known as hexadecimal
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Describe base 60
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A numbering system with values between 0-59 used in time and geometry including navigation, usually represented with colons between numbers.
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Describe base 64
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it is a coding system, character includes A-Z, a-z 0-9 and two others, each character represents 6 bits, it is used for transmitting data as though it were text.
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Describe base 256
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A numbering system with values between 0-255, each number represents 8 bits, in writing the digits are usually separated by dots.
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What is an octlet?
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8 bits.
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How many bits in a byte?
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8
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How many bits in a nybble?
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4
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What are the two meanings of kilo?
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10^3 or 2^10th
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What are the two meanings of meg?
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10^6, and 2^20th
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What are the two meanings of gig?
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10^9th or 2^30th
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In a net mask, what do the 1's mean?
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1s indicate the part of the address that is the address number.
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In a net mask, what do the 0's mean?
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0's indicate the part of the address that is the host number.
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What is the IPv4 special address range for the local network? use x.x.x.x/x format.
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0.0.0.0/8
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What is the class A private address range? Use x.x.x.x/x format.
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10.0.0.0/8
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In the Class A Private Address Range, how many (classful) networks are there?
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1
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In the Class A Private Address Range, what is the first IP Address?
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10.0.0.0
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In the Class A Private Address Range, what is the first host address?
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10.0.0.1
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In the Class A Private Address Range, what is the last IP address?
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10.255.255.255
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In the Class A Private Address Range, what is the last host address?
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10.255.255.254
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What is the local host Private Address Range? Use x.x.x.x/x format.
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127.0.0.0/8
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What is the Link Local (APIPA) Private Address Range? Use x.x.x.x/x
format. |
169.254.0.0/16
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How are Link Local (APIPA) addresses assigned?
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each computer picks its own.
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What is the Class B Private Address Range? Use x.x.x.x/x format.
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172.16.0.0/12
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In the Class B Private Address Range, how many (classful) networks are
there? |
16
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In the Class B Private Address Range, what is the first IP address?
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172.16.0.0
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In the Class B Private Address Range, what is the first host address?
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172.16.0.1
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In the Class B Private Address Range, what is the last IP address?
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172.31.255.255
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In the Class B Private Address Range, what is the last host address?
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172.31.255.254
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What is the Class C Private Address Range? Use x.x.x.x/x format.
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192.168.0.0/16
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In the Class C Private Address Range, how many (classful) networks are
there? |
256
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In the Class C Private Address Range, what is the first IP address?
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192.168.0.0
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In the Class C Private Address Range, what is the first host address?
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192.168.0.1
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In the Class C Private Address Range, what is the last IP address?
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192.168.255.255
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In the Class C Private Address Range, what is the last host address?
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192.168.255.254
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What is the IPv4 global broadcast address?
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255.255.255.255
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What does CIDR stand for?
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classless inter domain routing
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What does CIDR notation look like?
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a slash followed by a number 0 - 32 i.e /8
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What is the other name for slash notation?
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CIDR notation
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What is the other name for CIDR notation?
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slash notation
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What does VLSM stand for?
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Variable Leangth Subnet Mask
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Software port numbers range from 0 up to what number?
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65535
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What is port 21 normally used for?
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FTP
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What is port 22 normally used for?
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SSH, Secure Shell
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What is port 23 normally used for?
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telnet
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What is port 25 normally used for?
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smtp simple mail transfer protocol
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What is port 80 normally used for?
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HTTP
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What is port 443 normally used for?
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HTTPS
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What is a client?
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a computer that makes requests
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What is a server?
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a computer that answers requests
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What is the well-known port number for web servers?
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80
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What is the well-known port number for secure web servers?
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443
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What is the well-known port number for file transfer protocol (ftp)
servers? |
21
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What is the well-known port number for email servers?
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25
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