计算机网络题目
\u8ba1\u7b97\u673a\u7f51\u7edc\u9898\u76ee~15 A 16 D 17 C 18 B 19 B 20 D
21 A 22 C 23 A 24 C
a b b d c c c c b d
\u5206\u7c7b\uff1aa\u7c7b
\u7eff\u767d\u2014\u20141\uff0c\u7eff\u2014\u20142\uff0c\u6a59\u767d\u2014\u20143\uff0c\u84dd\u2014\u20144\uff0c\u84dd\u767d\u2014\u20145\uff0c \u6a59\u2014\u20146\uff0c\u68d5\u767d\u2014\u20147\uff0c\u68d5\u2014\u20148\u3000568A\u7ebf\u5e8f
\u4e0d\u5e38\u7528\uff0c
\u73b0\u5404\u5355\u4f4d\u3001\u5bb6\u5ead\u7528\u7684\u90fd\u662f568B\u7ebf\u5e8f
b\u7c7b\u7ebf\u5e8f\uff1a\u6a59\u767d\u2014\u20141\uff0c\u6a59\u2014\u20142\uff0c\u7eff\u767d\u2014\u20143\uff0c\u84dd\u2014\u20144\uff0c\u84dd\u767d\u2014\u20145\uff0c \u7eff\u2014\u20146\uff0c\u68d5\u767d\u2014\u20147\uff0c\u68d5\u2014\u20148
\u53cc\u7ede\u7ebf\u7684\u987a\u5e8f\u4e0eRJ45\u5934\u7684\u5f15\u811a\u5e8f\u53f7\u8981\u2014\u4e00\u5bf9\u5e94,\u5e76\u4e14\u7528\u6c34\u6676\u94b3\u538b\u7d27
\u9700\u8981\u4ea4\u6362\u673a\uff08\u96c6\u7ebf\u5668\uff09\uff0c\u8def\u7531\u5668\uff0c\u53cc\u7ede\u7ebf\uff0c\u6545\u969c\u6392\u9664\uff1a\u4ece\u4e0a\u5f80\u4e0b\uff08\u8def\u7531\u5668\uff0c\u4ea4\u6362\u673a\uff0c\u7ebf\u8def\uff0cpc\uff09\uff0c\u53cd\u4e4b\u4ea6\u7136
B:198.16.16.0/21 198.16.16.1-198.1.23.254 子网掩码21位
C：198.16.32.0/20 198.16.32.1-198.32.15.254 子网掩码20位
D:198.16.64.0/19 198.16.64.1-198.16.95.254 子网掩码19位
绛旓細1. 璁＄畻鏈閰嶇疆锛- 铏氭嫙鐏禝P鍦板潃锛172.16.1.2锛堝彲閫夋嫨172.16.1.2鑷254鑼冨洿鍐呯殑浠绘剰涓涓級- 瀛愮綉鎺╃爜锛255.255.255.0 - 缃戝叧锛172.16.1.1 2. NAT锛缃戠粶鍦板潃杞崲锛夌殑鍩烘湰宸ヤ綔鍘熺悊锛- 褰撶鏈夌綉缁滀腑鐨勪富鏈轰笌鍏叡缃戠粶涓殑涓绘満杩涜閫氫俊鏃讹紝NAT缃戝叧浼氬浼犺緭鐨処P鏁版嵁鍖呰繘琛屽鐞嗐- 鍦ㄦ暟鎹寘閫氳繃N...
绛旓細绛旀鏄疊 椤轰究闂竴鍙ワ細192.168.1.0/24 浣跨敤鎺╃爜255.255.255.240 锛燂紵锛熷墠闈㈣〃绀哄瓙缃戞帺鐮佷负24浣嶏紝鑰屼綘鍚庨潰鐨勮〃绀哄瓙缃戞帺鐮佸苟涓嶆槸24浣,5,璁＄畻鏈虹綉缁滈鐩锛氬彧鐭ラ亾绛旀鏄疉锛屾眰璇﹁В 192.168.1.0/24 浣跨敤鎺╃爜255.255.255.240 鍒掑垎瀛愮綉锛屽叾鍙敤瀛愮綉鏁颁负锛 锛夛紝姣忎釜瀛愮綉鍐呭彲鐢ㄤ富鏈哄湴鍧鏁颁负锛 锛堿. ...
绛旓細缃戠粶绠＄悊棣栧厛蹇呴』鏈夌綉缁滃湴鍧,涓鑸彲閲囩敤瀹炲悕鍒跺湴鍧銆 浜屻佸崟閫夐鍜屽閫夐(姣忛2鍒,鍏30鍒嗐傞櫎棰樼洰鐗规畩璇存槑鏄閫夐澶,鍏朵粬鍧囦负鍗曢夐銆傚崟閫夐鍦ㄦ嫭鍙峰唴閫夋嫨鏈纭垏鐨勪竴椤逛綔涓虹瓟妗堛) 1. OSI妯″瀷鐨勭墿鐞嗗眰璐熻矗涓嬪垪( )鍔熻兘銆 A銆佹牸寮忓寲鎶ユ枃 B銆佷负鏁版嵁閫夋嫨閫氳繃缃戠粶鐨勮矾鐢 C銆佸畾涔夎繛鎺ュ埌浠嬭川鐨勭壒寰 D銆佹彁渚涜繙绋嬫枃浠惰...
绛旓細1.姣忎釜瀛愮綉鐨缃戠粶鍓嶇紑鏄28浣.2.姣忎釜瀛愮綉涓湁16涓湴鍧3.姣忎釜瀛愮綉鐨勫湴鍧鍧楀垎鍒槸锛 136.23.12.64-136.23.12.79 136.23.12.80-136.23.12.95 136.23.12.96-136.23.12.111 136.23.12.112-136.23.12.1274.姣忎釜瀛愮綉鍒嗛厤缁欎富鏈轰娇鐢ㄧ殑鍦板潃 鏈灏136.23.12.63 鏈澶136.23.12.78...
绛旓細绗竴棰橈細涓鍧楃綉鍗″彲浠ヨ缃涓狪P鍦板潃锛屽彧鑳借IP鍦板潃鍦ㄦ鏃跺埢鏄惁鍚堟硶銆傛瘮濡傝锛屼綘鍜屾垜鍏徃锛岄兘鏈夊悇鑷殑鍐呴儴缃戠粶銆備綘浠叕鍙稿唴閮ㄧ綉鏈変竴鍙颁富鏈篒P涓192.168.0.1 浣嗘槸浣犱滑鍏徃鍐呴儴缃戠粶涓氨涓嶈兘鍐嶅嚭鐜扮浜屼釜192.168.0.1鐨処P鐨勫湴鍧銆傚啀鍑虹幇灏变細鍐茬獊锛屽嵆涓嶅悎娉曠殑IP 鎴戜滑鍏徃鍐呴儴涔熸湁涓鍙颁富鏈猴紝鎯宠IP涓...
绛旓細1銆140.100.0.0/16,杩欐槸涓涓狟绫诲湴鍧銆傛棰樼洰鏈夊緢澶氬垝鍒嗘柟娉曘2銆佹渶绠鍗曠殑涓绉嶏紝鍙互杩欐牱鍒嗘瀽锛氶儴闂ˋ1:300鍙颁富鏈猴紝鑰冭檻鍒扮綉鍏冲湴鍧鍜屽箍鎾湴鍧銆缃戠粶鍦板潃锛岄渶瑕303涓湴鍧锛屽洜姝ゅ彲浠ュ垎閰嶄袱涓256缃戞锛岀綉娈电殑涓绘満浣嶄负9浣嶏紝鍥犳缃戠粶浣32-9=23浣嶏紱閮ㄩ棬A2锛200鍙颁富鏈猴紝闇瑕203涓湴鍧锛屽洜姝ゅ垎閰嶄竴涓256缃戞...
绛旓細璁＄畻鏈虹綉缁鍩虹 閫夋嫨棰橈細1璺敱鍣ㄦ槸涓绉嶇敤浜庣綉缁滀簰杩炵殑璁＄畻鏈鸿澶囷紝浣嗕綔涓鸿矾鐢卞櫒锛屽苟涓嶅叿澶囩殑鏄紙 B 锛堿. 璺敱鍔熻兘 B. 澶氬眰浜ゆ崲 C. 鏀寔涓ょ浠ヤ笂鐨勫瓙缃戝崗璁 D. 鍏锋湁瀛樺偍銆佽浆鍙戙佸寰勫姛鑳 2璺敱鍣ㄧ殑涓昏鍔熻兘涓嶅寘鎷紙 C 锛堿. 閫熺巼閫傞厤 B. 瀛愮綉鍗忚杞崲 C. 涓冨眰鍗忚杞崲 D. 鎶ユ枃鍒嗙墖涓...
绛旓細杩欐槸鍏稿瀷鐨勫瓙缃戣仛鍚堝拰瀛愮綉鍒掑垎棰樼洰锛岃В閲婅捣鏉ュ氨鏈夌偣闅句簡锛屽彲浠ヨ嚜宸卞幓缃戜笂鏌ヨ繖绫婚鐩В棰樻柟娉曪紝涓嬮潰澶ф璇翠竴涓嬭В棰樻濊矾鍜岀瓟妗 1.ISP涓轰簡淇濆瓨璺敱锛屼細灏嗘彁渚涚粰浣犵殑缃戞杩涜鑱氬悎锛屾墍鏈夎仛鍚堝悗鐨勫瓙缃戝彉澶э紝瀛愮綉鎺╃爜鐢24浣嶅彉鎴22浣嶇殑鍦板潃锛屾墍浠ョ瓟妗堟槸200.100.96.0/22銆傚瓙缃戞帺鐮佷负255.255.252.0 濉瓟妗200...
绛旓細15ms脳2=30msL=65535脳8+30脳8=524520 锛 C=109b/s 锛 L/C=0.0005245s 锛 Td=10脳10-3s 锛 2脳Td =0.02鍏朵腑:L 涓哄彂閫佺殑鎬讳綅鏁帮紝C涓轰俊閬撶殑甯﹀锛孡/C涓哄彂閫佹暟鎹椂鐨勪紶杈撴椂寤讹紝Td涓轰紶鎾椂寤 Throughput=L/(L/C+2脳Td)=524520/0.0205246=25.5Mb/s Efficiency=(...
绛旓細棣栧厛锛屾眰LAN1锛孡AN2锛孡AN3 鍥犳瘡涓眬鍩熺綉锛1 闇瑕13鍙颁富鏈猴紝鍒欙細涓绘満鍙峰湴鍧娈典负4浣嶏紙鑸嶅純鍏0锛屽叏1锛2 闇3涓绫诲眬鍩熺綉锛屽垯闇瀛愮綉鍙蜂负2浣嶏紙瀛愮綉鍙凤紝鍙湁鍏0鍦板潃锛夋墍浠ワ細LAN1锛缃戠粶鍙峰叡28浣嶏細100.100.1.0/28 LAN2:100.100.1.16/28 LAN3:100.100.1.32/28 瀛愮綉鎺╃爜锛255.255.255....
