.


:




:

































 

 

 

 


( )?

?

+255.255.255.0

( )?

+

+ ,

+ ,

, ping?

+ ICMP-, , ,

"" ?

+

?

+ ,

225?

+11100001

CSMA/CD?

+ ,

?

+ OSI MAC-

?

+ ,

DNS?

+ TCP/IP , IP-

IP- B:

+2

?

+2

1 ?

+255

( )?

+

101101?

+45

123.10.0.0 255.255.0.0?

+123.10.255.255

IEEE- 10G Ethernet?

+802.3ae

Token Ring?

+

Ethernet?

+ CSMA/CD

IP- MAC-?

+RARP

UTP?

+RJ-45

TCP/IP , ?

+

+2

1

+ 1992

+

+

, ,

+

, , , ,

+

, ?

+

-

+2

: (2 . )

+

+

: (3 . )

+

+

+

10Base F

+

LLC2 -

+

MAC -

+48

MAN -

+

10Base T

+1024

Ethernet 10 100 /c

+1518

1000Base-LX

+ 5000

.25

+16

10Base 2

+185

-

+ ( 100 )

Ethernet 10 100 /c

+64

(Demand Priority)

+100 VG- AnyLAN

, 28 800 /, (3 600 )

+1

TCP/IP UDP?

+

, -

+

:

+

Token Ring

+ 4 / 16 /

SONET/SDH STM-1,

+155 /

Frame Relay (2 . ):

+

+

-

+

, , ,

+ IP- 1

+

-

+ ,

(4 . )

+

+ X.25

+

+

?

+

" ". ?

+ ipconfig

+1000BaseT

(2 . ):

+

+

+

.25

+

Frame Relay

+ 4056

OSI

+

+

+

+

-

+53

( ) -

+

+100

-

+,

PVV -

+

100BaseSX?

+

" - "

+

-

+ ,

( ):

+

+

+

+

.25

+

.25

+

+

+

CSMA/CD -

+

(3 . )

+

+

+

Ethernet

+1973 .

Ethernet

+1980 .

Ethernet

+Xerox

Fast Ethernet

+2000 .

IEEE 802.3z -

+Gigabit Ethernet

C 10GBASE -CX4

+

172.16.2.10 255.255.255.248?

+3

UTP?

+4

B?

+65534

( DS0) PDH

+64 /

LMI ( Local Management Interface)

+ Frame Relay

.25

+3

+

CIDR

+

Frame Relay

+

ATM

+

ATM :

+

(transceiver).- ,

+

10Base 5:

+

100BaseT4:

+ 3

OSI TCP/IP

+OSI: ; TCP/IP: ( )

+OSI: ; TCP/IP: ( )

+OSI: ; TCP/IP: ( )

+

, VLAN, (4 . )

+

+ MAC-

+

+

(3 . )

+

+

+

, (2 . )

+

+

(2 . )

+ -

+

, , , ,

+

LLC

+

OSI, ,

+

OSI,

+

OSI, (3 . )

+

+

+

10Base T

+

Token Ring

+

+

recvfrom()

+

( )?

+

+

+

10Base 5?

+4

10Base 5?

+500

( )?

+

+

+

( )?

+

+

?

+ .

c IEEE?

+ (Data Link Control)

c 803.3u?

+100BaseTX

TCP/IP ?

+ IP-

"!" ping?

+

50 -50-6-11?

+

?

+

" " (node) ?

+ ,

?

+ ,

?

+

?

+,

Base Ehternet?

+

MAC-?

+

TCP -, ?

+

?

+

OSI :

+7

IEEE 802.10Q -

+

 



<== | ==>
22 2012 . | .-1,0
:


: 2017-02-11; !; : 707 |


:

:

.
==> ...

1696 - | 1518 -


© 2015-2024 lektsii.org - -

: 0.087 .