networkingChpt9 Word Scramble

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Question	Answer
ip	routable protocol
subnetting	seperates a network into multiple logically defined segments
ipv4	four 8 bit octets or bytes
nodes network class	provides info about the segment or network to which the mode belongs
reasons to seperate traffic	enhanced security, improve performance, simplify troubleshooting
classful addressing	class a first 8 bits class b first 16 bits
classful addressing	an ip addressing convention that adheres to network class distinctions class a class b class c
subnet mask	indicates where network information is located in an ipv4 address
anding	a logical process of combining bits.a bit value of
tcpip protocol suite use	internet conectivity
tcp/ip fundamentals	ip routable protocol
ip	interfaces require unique ip address
ip	node may use multiple ip addresses
networks assign ip addresses	dynamically
class a	1 to 126
class b	128 to 191
class c	192 to 223
127	loopback
class a subnet	255.0.0.0
reasons for subnettting	geographic locations, departmental boundaries,technology types
ipv4 addressing	contains network and host information
subnetting	limit the amount of broadcast traffic which limits potential for collisions
subnetting	more efficient use of bandwidth gives better overrall performance
class full addressing	network info first and host second
classful addressing in ipv4 drawbacks	fixed network id size limits number of network hosts
classful addressing in ipv4 drawbacks	difficult to separate traffic from various parts of network
class a	1 to 254
ipv4 subnet masks	identifies how network subdivided
ipv4 subnet masks	indicates where network info is located
ipv4 subnet masks	1 indicates network information
anding	combining bits
anding	bit value of 1 plus another bit value of 1 results in 1
anding you see a 1	put a 1
anding you see a zero	put a zero
ip address plus subnet mask	network id
ipv4 subnetting techniques	subnetting alters classful ipv4 addressing rules
ipv4 subnetting techniques	ip address bits representing host info change to represent network information
ipv4 subnetting techniques	reduces usable host addresses per subnet
ipv4 subnetting techniques	number of hosts,subnets available after subnetting depend on host info bits borrowed
create a subnet	you borrow bits that would represent host information in classful addressing and use those bits to instead represent network information
calculating ipv4 subnets	2to the nth - 2 = y
n	number of subnet mask bits needed to switch from 0 to 1 the number of bits to borrow
y	number of resulting subnets
cidr	classless interdomain routing
supernet	a subnet created by moving the subnet boundary to the left
supernet mask	a thirty two bit number when combined with a devices ipv4 address indocates the kind of supernet to which the device belongs
cidr	conventional network class distinctions do not exist
classless routing	supernetting
cidr notation	slash notation
cidr notation	network id followed by a forward slash,followed by the number of bits that are used for the extended network prefix
extended network prefix	the combination of an ip address's network id and subnet information.a device can determine the subnet to which an address belongs
to take advantage of classless routing	your networks routers must be able to interpret ip addresses that dont adhere to convential network class parameters
default gateway	first interprets its outbound requests to other subnets and then interprets its inbound requests from other subnets
subnet prefix	the sixty four bit prefix in an ipv6 address that identifies a subnet
route prefix	the prefix in an ipv6 address that identifies a route.slash notation is used to define them
cidr block	the number of bits used for an extended network prefix
moving the subnet boundary to the left	allows you to use more bits for host info and generate more useable ip addresses on your network
ietf	internet engineering task force
ietf	recognized that additional measures were necessary to increase the availability and flexibility of ip addresses
cidr	provides additional ways of arranging network and host info in an ip address
ipv6 address	composed of 128 bits
ipv4 address	composed of 32 bit
ipv4 address	2 to the thirty two available addresses
ipv6 addresses	2 to the 128 addresses available in ipv6
every ipv6 address	is classless
ipv6 address	do not use subnet masks
unicast address	address assigned to a single interface on the network
unicast address	represented in binary form
interfaces that share a subnet prefix	belong to the same subnet
lan subnetting	lan devices interpret device subnetting information
if you use subnetting on your lan	only your lans devices need to interpret your devices subnetting information
subnetting	does not affect how a device is addressed by external networks
subnetting in ipv6	classes and subnet masks are not used
subnetting in ipv6	subnet represented by leftmost 64 bits in an address
gateway	combination of software and hardware that enables two different network segments to exchange data
gateways	facilitates communication between different networks or subnets
gateways interface on router advantage	one router can supply multiple gateways
default gateways may connect	multiple internal networks or an internal to an external networks
address translation	hide ip addresses or internal address transferred to public address
network address translation	substitute private ip address with a publicly known ip address
get to gateway the router	substitutes the private address with a public address
static network address translation	useful when operating a mail server
192.168.00	192.168.255.255
172.16.0.0	172.31.255.255
10.0.0.00	10.255.255.255
snat	each client is associated with one public and one private address that never changes
dynamic network address translation	ip masquerading
supernetting	goes to the left to give more hosts
subnetting	goes to the right to give more networks
dnat	limited pool of internet valid ip addresses is shared by multiple private network hosts
dnat	internet valid ip address might be assigned to any clients outgoing transmission
port address translation	each client session with server on internet assigned seperate tcp port number
pat	send out info with a port number at the end. go to this street at this house.
port numbers	registered well known open

Created by: cgeaski

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