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251. NAT ÄÜת»»µÄÍøÂçµØÖ·ÊÇ A. IP B. IPX C. AppleTalk D. DECNET Answer: A

252. ÅжϣºIP µØÖ·²ÉÓ÷ֲãÉè¼Æ£¬Ã¿Ò»Ì¨Èý²ãÍøÂçÉ豸¾Í²»±Ø´¢´æÃ¿Ò»Ì¨Ö÷»úµÄIP µØÖ·£¬¶øÊÇ´¢´æÃ¿Ò»¸ö

Íø¶ÎµÄÍøÂçµØÖ·£¬´ó´ó¼õÉÙÁË·ÓɱíÌõÄ¿£¬Ôö¼ÓÁË·ÓɵÄÁé»îÐÔ¡£ A. True B. False Answer: A

253. IPv4 µØÖ·ÓÉ32 ¸öbit ×é³É£¬Í¨³£Óõã·ÖÊ®½øÖÆÐÎʽ±íʾ£¬Èç11.110.96.132¡£´ËÍ⣬IP µØÖ·11.110.96.132 Ò²¿ÉÒÔ±íʾΪÈçÏÂÐÎʽ

A. 00001011.01101110.01100000.10000100 B. 0b.6e.60.84 C. 0.b.6.e.6.0.8.4

D. 0.1011.0110.1110.0110.0.1000.0100 Answer: AB

254. IP µØÖ·191.10.96.132 ʹÓÃ×ÔÈ»ÑÚÂ룬191.10.96.132 µÄÍøÂçµØÖ·Îª£¨ £©¡£ A. 191.0.0.0 B. 191.10.0.0 C. 191.10.48.0 D. 191.10.96.0 Answer: B

255. IP µØÖ·ÍøÂ粿·Ö¹Ì¶¨£¬Ö÷»ú²¿·ÖΪȫ1 µÄµØÖ·±íʾ£¨ £©¡£ A. ÍøÂçµØÖ·

B. ÌØ¶¨Íø¶ÎµÄ¹ã²¥µØÖ· C. ËùÓÐÍøÂç

D. ±¾ÍøËùÓнڵãµÄ¹ã²¥µØÖ· Answer: B

256. µ±IP µØÖ·µÄÖ÷»ú²¿·ÖλÊýΪn£¬Ôò¸ÃÍøÂçÖпÉÓõÄÖ÷»úµØÖ·¸öÊýΪ£¨£© A. 2n-1 B. 2n-2 C. 2n-1 D. 2n Answer: B

257. C ÀàIP µØÖ·µÄÍøÂçµØÖ·ÎªÇ°Èý¸ö°ËλÊý×飬µÚÒ»¸ö×Ö½ÚÒÔ£¨ £©¿ªÊ¼¡£ A. 101 B. 100 C. 110 D. 10 Answer: C

258. IP µØÖ·192.168.1.7/28 ËùÔÚµÄÍøÂçµØÖ·Îª£¨ £©¡£ A. 192.168.1.0 B. 192.168.1.4 C. 192.168.1.6 D. 192.168.1.7 Answer: A

259. IP µØÖ·192.168.1.7 ²ÉÓÃ×ÔÈ»ÑÚÂ룬ÆäÍøÂçµØÖ·Îª£¨ £©¡£ A. 192.168.1.0 B. 192.168.1.4 C. 192.0.0.0 D. 192.168.0.0 Answer: A

260. µÚÒ»¸ö°Ëλ×éÒÔ¶þ½ø1110 ¿ªÍ·µÄIP µØÖ·ÊÇ£¨ £©µØÖ· A. A Àà B. B Àà C. C Àà D. D Àà Answer: D

261. ARP ЭÒéÊÇÒ»ÖÖ£¨ £©Ð­Òé¡£ A. µ¥²¥ B. ×é²¥ C. ¶à²¥ D. ¹ã²¥ Answer: D

262. ʹÄÜProxy ARP ¹¦ÄܵÄ·ÓÉÆ÷ÊÕµ½Ò»ÌõARP ÇëÇó±¨ÎÄʱ£¬·¢Ïָñ¨ÎĵÄÄ¿µÄµØÖ·²»ÊÇ×Ô¼º£¬»á×÷ÈçÏ ²Ù×÷£¨ £©¡£ A. ¶ªÆú±¨ÎÄ

B. ²éÕÒÓÐÎÞµ½¸ÃÄ¿µÄµØÖ·µÄ·ÓÉ

C. Óе½¸ÃÄ¿µÄµØÖ·µÄ·ÓÉ£¬Ôò½«×Ô¼ºµÄMAC µØÖ··¢¸øARP ÇëÇó·½ D. ¹ã²¥ARP ÇëÇó±¨ÎÄ Answer: BC

263. ¶ÔÓ¦ÓÚRARP ÇëÇóÒԹ㲥·½Ê½·¢ËÍ£¬RARP Ó¦´ðÒ»°ãÒÔ£¨ £©·½Ê½·¢ËÍ£¬ÒÔ½ÚÊ¡ÍøÂç×ÊÔ´¡£ A. µ¥²¥ B. ×é²¥ C. ¶à²¥ D. ¹ã²¥ Answer: A

264. ±£Áô¸ø×Ô»·²âÊÔµÄIP µØÖ·Íø¶ÎÊÇ A. 127.0.0.0 B. 130.0.0.0 C. 164.0.0.0 D. 200.0.0.0 Answer: A

265. ÔÚTCP/IP ЭÒéÖУ¬A ÀàµØÖ·µÚÒ»¸ö×ֽڵķ¶Î§ÊÇ

A. 0---126 B. 0---127 C. 1---126 D. 1---127 Answer: C

266. ¶ÔÓÚÒ»¸öûÓо­¹ý×ÓÍø»®·ÖµÄ´«Í³C ÀàÍøÂçµØÖ·À´Ëµ£¬¿ÉÒÔÈÝÄɵÄ×î´óÖ÷»úÊýΪ A. 1024 B. 65025 C. 254 D. 48 Answer: C

267. IP µØÖ·ÖÐÍøÂçºÅµÄ×÷ÓÃÓÐ A. Ö¸¶¨ÁËÖ÷»úËùÊôµÄÍøÂç B. ±êÖ¾ÁËÍøÂçÖеÄÖ÷»ú

C. Ö¸¶¨ÁËÉ豸Äܹ»½øÐÐͨÐŵÄÍøÂç D. Ö¸¶¨Á˱»Ñ°Ö·µÄ×ÓÍøÖеÄij¸ö½Úµã Answer: A

268. ÏÂÃæÄĸö×é²¥µØÖ·±íʾ×ÓÍøÄÚËùÓеÄ·ÓÉÆ÷¼°Ö÷»ú A. 224.0.0.1 B. 224.0.0.2 C. 224.0.0.3 D. 224.0.0.9 Answer: A

269. ¹ØÓÚIP ÍøÂç×ÓÍøµØÖ·¿Õ¼ä´óСµÄ˵·¨ÕýÈ·µÄÓÐ

A. ×ÓÍø¿Õ¼äÒ»¶¨ÒªÂú×ãʵ¼ÊÐèÒª£¬Í¬Ê±ÒªÓÐÒ»¶¨ÈßÓàÒÔ±£Ö¤¿ÉÀ©Õ¹ÐÔ

B. ÓÉÓÚ¿ÉÒÔʹÓÃIP µØÖ·½èÓõȼ¼ÊõÊֶΣ¬ËùÒÔΪ½ÚÊ¡IP µØÖ·£¬×ÓÍø¿Õ¼ä´óСһ°ãӦСÓÚʵ¼ÊÐèÒª C. ×ÓÍø¿Õ¼ä´óСһ°ãÓ¦¾¡Á¿´Õ³É2 µÄÃݴδóС£¬ÒÔ·½±ã¸÷ÖÖ²ßÂÔµÄʵʩ D. ÒÔÉÏ˵·¨¶¼ÓÐÒ»¶¨µÀÀí£¬µ«¶¼²»ÄÜÓ¦ÓÃÔÚ¹¤³Ìʵ¼ÊÖÐ Answer: AC

270. Ò»¸öÍø¶Î150.25.0.0 µÄ×ÓÍøÑÚÂëÊÇ255.255.224.0,£¨ £©ÊÇÓÐЧµÄÖ÷»úµØÖ· A. 150.25.0.0 B. 150.25.1.255 C. 150.25.2.24 D. 150.15.3.30 Answer: BC

271. ÔÚÒ»¸ö×ÓÍøÑÚÂëΪ255.255.240.0 µÄÍøÂçÖÐ, £¨ £©ÊǺϷ¨µÄÍøÂçµØÖ· A. 150.150.0.0 B. 150.150.0.8 C. 150.150.8.0 D. 150.150.16.0 Answer: AD

272. Ò»¸ö×ÓÍøÍø¶ÎµØÖ·Îª5.32.0.0 ÑÚÂëΪ255.224.0.0 µÄÍøÂç,ËüÔÊÐíµÄ×î´óÖ÷»úµØÖ·ÊÇ A. 5.32.254.254 B. 5.32.255.254

C. 5.63.255.254 D. 5.63.255.255 Answer: C

273. Íø¶Î175.25.8.0/19 µÄ×ÓÍøÑÚÂëÊÇ A. 255.255.0.0 B. 255.255.224.0 C. 255.255.24.0 D. ÒÀÀµÓÚµØÖ·ÀàÐÍ Answer: B

274. 172.16.10.32/24 ´ú±íµÄÊÇ A. ÍøÂçµØÖ· B. Ö÷»úµØÖ· C. ×é²¥µØÖ· D. ¹ã²¥µØÖ· Answer: B

275. Èç¹ûC Àà×ÓÍøµÄÑÚÂëΪ255.255.255.224£¬Ôò°üº¬µÄ×ÓÍøÎ»Êý¡¢×ÓÍøÊýÄ¿¡¢Ã¿¸ö×ÓÍøÖеÄÖ÷»úÊýÄ¿ÕýÈ· µÄÊÇ A. 2£¬4£¬62 B. 3£¬8£¬30 C. 4£¬16£¬14 D. 5£¬32£¬6 Answer: B

276. 10.1.0.1/17 µÄ¹ã²¥µØÖ·ÊÇ A. 10.1.128.255 B. 10.1.63.255 C. 10.1.127.255 D. 10.1.126.255 Answer: C

277. ÒÑ֪ij¸öÍøÂçµÄÑÚÂëÊÇ255.255.248.0£¬ÄÇôÏÂÃæÊôÓÚÍ¬Ò»Íø¶ÎµÄÊÇ A. 10.110.16.1 ºÍ10.110.25.1 B. 10.76.129.21 ºÍ10.76.137.1 C. 10.52.57.34 ºÍ10.52.62.2 D. 10.33.23.2 ºÍ10.33.31.1 Answer: C

278. ÔÚÒ»¸öC ÀàµØÖ·µÄÍø¶ÎÖÐÒª»®·Ö³ö32 ¸ö×ÓÍø£¬ÏÂÃæÄǸö×ÓÍøÑÚÂë×îÊÊºÏ A. 255.255.255.224 B. 255.255.255.240 C. 255.255.255.255 D. 255.255.255.248 Answer: D

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