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CompTIA Networking concepts P1
IP Addressing
44
Computer Networking
Professional
10/13/2014

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Term
an IP address includes two parts
Definition
identifying a network, and identifying a device itself
Term
IPV4 address
Definition
32-bit value assigned to a computer and devices on a TCP/IP network.
Term
an IPV4 address consists of four 8-bit octets each octet is represented by a single decimal value in the range from zero to 255,and the octets are separated by periods. the first number representation is known as ?
Definition
dotted decimal notation
Term
uses 128-bit instead of 32-bit addresses, resulting in a much larger pool of available addresses
Definition
IPV6
Term
IPV6 addresses
Definition
32 hexadecimal digits in groups of 4, separated by a colon
Term
an IPV6, consecutive values of 0 are represented by ?
Definition
doubled colon symbols
Term
subnet mask
Definition
is a value used with an IPV4 address to Indicate which part of an IP address is in the network ID and which part is in the host ID
Term
host ID
Definition
consists of 32 bits, divided into four 8-bit octets
Term
In a network that's divided into smaller networks or subnets, the host portion of a device's IP address is divided into ?
Definition
a subnet ID, and host ID
Term
the subnet ID specifies
Definition
which subnet the host is on
Term
a subnet IP address contains three parts
Definition
a network ID, subnet ID, and host ID
Term
each node that connects to the network must have a ?
Definition
unique IP address
Term
each subnet must have a ?
Definition
unique network ID
Term
all devices on a subnet must share the same ?
Definition
network ID
Term
is reserved for testing and so can't be used as a node ID
Definition
127.0.0.1
Term
act as border devices for each subnet and use the network ID to route traffic between subnets on a network
Definition
Routers
Term
IP addressing, and computers in general, use a system of numerical notation called
Definition
binary notation
Term
By making it possible to distinguish the part of an IP address that identifies a unique network, subnet mask supports the logical division of a network into smaller subnetworks or subnets. This process is known as ?
Definition
subnetting
Term
IP addresses may be classful, belonging to defined blocks of addresses called ?
Definition
address classes
Term
what are addresses that organizations use internally, for nodes in their own networks that require IP connectivity?
Definition
Private IP addresses
Term
used to connect externally to the internet.
Definition
Public IP addresses
Term
there are three, nonroutable private IP address ranges
Definition
-1 class A range
-16 class B range
-256 class C range
Term
private IP address range class A
Definition
10.0.0.0-10.255.255.255
Term
private IP address range class B
Definition
172.16.0.0-172.31.255.255
Term
private IP address range class C
Definition
192.168.0.0-192.168.255.255
Term
TCP/IP-Class A address range and subnet
Definition
1.0.0.0-127
255.0.0.0
Term
Class A addresses are for ?
Definition
networks with extremely large numbers of host
Term
in a class A address ? of the 32 bits are used to identify a host
Definition
24
Term
what are the remaining 8 bits in a class A use to identify?
Definition
the network
Term
TCP/IP-Class B address range and subnet
Definition
128.0.0.0-191.255.255.255
255.255.0.0
Term
TCP/IP-Class C address range and subnet
Definition
192.0.0.0-223.225.225.225
255.255.255.0
Term
TCP/IP-Class D address range
Definition
224.0.0.0-239.255.255.255
Term
Class D addresses are set aside to support ?
Definition
multicast transmission
Term
a multicast server
Definition
assigns a single class D address to all members of a multicast session
Term
routers must be ?
Definition
configured to route multicast addresses
Term
TCP/IP-Class E address range
Definition
240.0.0.0-255.255.255.255
Term
Class E addresses are set aside for ?
Definition
research and experimentation
Term
APIPA (Automatic Private IP Addressing)
Definition
enables a client using the Dynamic host control protocol, or DHCP, to configured itself with an IP address in the range from 169.254.0.1 to 169.254.255.254
Term
APIPA addresses use a ? default class B subnet mask
Definition
16-bit
Term
APIPA addresses are not ?, so a device with a APIPA address can't communicate outside its local subnet
Definition
routable
Term
Broadcast
Definition
one to many transmission, one sender to all receivers
Term
Unicast
Definition
one to one transmission, one host sends and the other receives
Term
multicast
Definition
one to many, one sender to a group of receivers
Term
Classful networks support a limited number of nodes because ?
Definition
of the limitations of the IP addresses they're assigned
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