人ѧѧԺԾ
γƣ רҵ༶Ӧüר
ѡ Ӧ 20 20 24
16 20 ܷ 100 ע: ѧֽϴ(⡢ѡȿ)
һѡ⣨20С⣬ÿС1֣20֣ 1¹FDDIضУǣ
AFDDIĿʵָ١߿ɿԺʹΧ BFDDI˹Ϊ CFDDIĴΪ1Gbps
DFDDI100kmΧڵľ 2¹ASCIIУǣ
AASCIIһڼ룬ͬʱҲͨŵı BASCII7λ룬Աʾ128ַ CASCII붨ַΪͼַַ DASCII붨ĿַHDLCЭ
3¹״߾߳ȽϵУǣ A߾õǵԶĽṹ B߳õͽṹ C״
D߾еĽҪת֡
4ĻҪ֣һǸʹõĴ似һǸݣ AЭ
Bϵͳ CǷΧģ
Dģ 5ijλѾ齨˶Ethernet磬ƻЩͨôһѡ缼 A֡ж BATM CFDDI
Dǧ̫
6簲ȫо漰֮⣬һҪǣ A B C DĻ
7¹·Уǣ
A·һ־ж˿ںͶ˿ڣתרüϵͳ B·ṹ·ѡͷת
C·ѡ·ɱΪķѡ˿
D·ܵҪ·ÿܹķ 8¹ڿ̫صУǣ
A̫ȻŴͳ10MpsEthemetĻ B100BASE-TGMII, MACӲָ C̫֧ȫ˫˫ֹģʽ
D̫֧]10 Mbps100MbpsԶЭ̻
9OSIοģͶ˿ϵͳIJνṹ֮ϵĿܵģ AЭ Bͨģ C Dӿ
10¹TCP֧ȫ˫Уǣ ATCPͨ˫Ӧóκʱ Bͨŵ˫зͺͽջ
CӦóҪ͵ֶύͻݷTCPЭ Dն˽ݴŵջTCPںʵʱ䵽жȡ 11¹IPv6Уǣ
AIPv6һЩǸԵĺͿѡֶƵ˹̶ЭͷչЭͷ BIPv6ĵַȶλ128λ
C128λַռ֮ISPĽṹ
DIPv6֧IPSecЭ飬Ϊ簲ȫṩһֻڱĽ 12IEEE 802.3ַ̫Ϊ A8bit B32bit C48bit D64bit
13ĸOSIοģͽṹIJνṹ A
B CỰ DӦò
14¹֧TCPЭͬʱӵصУǣ ATCPЭ֧һͻͬʱTCP BTCPЭ鲻֧һͻͬʱTCP CTCPֱTCP
DӵԽ࣬ÿһӹԴͻԽ 15һ¹ڻʱУǣ
AֶͨʱT1زʡE1زʡSTM-1ʵ BT1زݴΪ1.544Mbps CE1زݴΪ2.048Mbps DSTM-1ĴΪ15.5Mbps
16¹ڹԵУǣ
A˾еġƵݴʡ밲ȫԺõص BͨڲȫһĹź CزƷƵFSKƷ D˴ʿԴﵽGbps
17¹ƵƵͨŻУǣ AFHSSõƵֳɶƵƵΪŵ
BÿŵĴͬƵ仯ƵֵΪԾϵ CͶն˷ֱԵԾϵУǿȫ D802.11涨FHSSͨʹ2.4GHzƵ 18ADSL˵Ǵģ
AADSLĴͨPSTNʹôͳMODEMҪ BADSLԴܳľ룬ûйϵ CADSLķǶԳԱʺʿԲͬ
Dڵ绰·ʹADSLͬʱе绰ݴ䣬
19ͨУõ绰ƽݴķڣ AƵ B C DIP
20CSMA/CDʷʿƷľڰ칫ԶںͨŸ±ֳϺõӳԣ Aϸ Bϵ Cе D
⣨10С⣬ÿС2֣20֣
1IP̶ַȵֶɵģֶηֱǣ________________ 2õ˽ṹҪ͡________֡ 3̫Ľ________ַתݰ
4IEEE802·ΪӲ:________ ________ 5TCP/IPЭοģ________㡣 6ʼϵͳṩһ________
7IPҪܰݴ͡________
8ƣPCMĹ̼˵ɷΪ________________ 9PPPЭʹ________ʵ䡣
10TCP/IPҪЭ________Э飬ɽһ ⣨4С⣬ÿС6֣24֣
1ʲô?һ㣿 2IPv4IPv6Ĺɼ
3OSIοģͺTCP/IPģ͵ͬص㡣
4ijA10.0.0.0255.224.0.0ȷԻֵдÿżÿΧ
ġ⣨2С⣬ÿС8֣16֣
1Ϊ1200bps첽ͨУʹ7λλ1λУλ1λͣ