configuring ip networks Flashcards
Ethernet works at which OSI layers
Physical and Data Link layers of the OSI model (layers 1 and 2).
what OSI layer does Internet Protocol (IP) work
Network layer (layer 3)
what function does IP provide
logical host and network addressing and routing
provides best-effort delivery of an unreliable and connectionless nature
decimal equivalent of
11111111 =
255
decimal equivalent of
11111110 =
254
decimal equivalent of
11111100 =
252
decimal equivalent of
11111000 =
248
decimal equivalent of
11110000 =
240
decimal equivalent of
11100000 =
224
decimal equivalent of
11000000 =
192
decimal equivalent of
10000000 =
128
what is
ff:ff:ff:ff:ff:ff
layer 2 multicast address
110?.????.????.????
class C
10??.????.????.????
class B
0???.????.????.????
class A
class C
2,097,152 networks
254 hosts per network
1st octet of address range 192-223
class B
16,384 networks
65,534 hosts per network
1st octet of address range 128-191
class A
126 networks
16,777,214 hosts per network
1st octet of address range 1-126
what are these reserved for
192.168.0.0 to 192.168.255.255
Class C private address range
what are these reserved for
127.0.0.0 to 127.255.255.255
or 127.0.0.0/8
loopback address range
what are these reserved for
169.254.0.0 to 169.254.255.255
APIPA
what are these reserved for
172.16.0.0 to 172.31.255.255
Class B private address range
what are these reserved for
10.0.0.0 to 10.255.255.255
Class A private address range
what is
0.0.0.0/8
Used when a specific address is unknown
typically used as a source address by a client seeking a DHCP lease
what is
255.255.255.255
Used to broadcast to the local network when the local network address is not known
What is
CIDR
Classless Inter-Domain Routing
CIDR is also sometimes described as
supernetting
VSLM =
variable length subnet masking
what is
VSLM
LAN’s internal routers use multiple prefixes to create subnets of different sizes
variable length subnet masking
