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rule 0 deny ip destination 224.0.0.5 0 eq 89 rule 5 permit ip C.

acl number 3000

rule 0 deny udp destination-port eq 89 rule 5 permit ip D.

acl number 3000 rule 0 deny ospf rule 5 permit ip Answer: AD

342. Èý̨MSR ·ÓÉÆ÷Á¬½ÓÔÚͬһ¸öLAN ÍøÂçÖУ¬ÈçͼËùʾ¡£ÔÚÈý̨·ÓÉÆ÷µÄLAN »¥Á¬Íø¶ÎÔËÐÐOSPF£¬RTA¡¢RTB¡¢RTC µÄDR ÓÅÏȼ¶·Ö±ðΪ2¡¢2¡¢3¡£ÓÉÓÚRTC µÄLAN Á´Â·¹ÊÕÏ£¬Ä¿Ç°Ö»ÓÐRTA ºÍRTB ÔÚÕý³£¹¤×÷£¬ÇÒRTA ÓëRTB Ö®¼äµÄOSPF ÁÚ¾Ó״̬Îȶ¨¡£ÄÇô_____¡£

A. RTC µÄÁ´Â·»Ö¸´ºó£¬ÍøÂçÖн«ÖØÐÂÑ¡ÔñDR£¬RTC ½«»á³ÉΪеÄDR B. RTC µÄÁ´Â·»Ö¸´ºó£¬ÍøÂçÖн«½¨Á¢3 ¸öOSPF ÁÚ½Ó¹ØÏµ C. RTC µÄÁ´Â·»Ö¸´ºó£¬ÍøÂçÖн«½¨Á¢2 ¸öOSPF ÁÚ½Ó¹ØÏµ

D. RTC µÄÁ´Â·»Ö¸´ºó£¬RTC ºÍRTB µÄOSPF ÁÚ½Ó״̬ÊÇFULL Answer: BD

346. Ä³ÍøÂçÁ¬½ÓÈçͼËùʾ¡£ÆäÖÐËĄ̈·ÓÉÆ÷µÄËùÓнӿڶ¼ÅäÖÃÁËOSPF£¬²¢ÇÒ¶¼ÔËÐÐÔÚOSPF ÇøÓò23 ÖС£ËùÓÐÍø¶Î¶¼¿ÉÒÔ»¥ÏàÁ¬Í¨¡£¸÷·ÓÉÆ÷Ö®¼ä»¥Á¬Á´Â·µÄOSPF Cost ÈçͼËùʾ¡£ÄÇôÏÂÁÐÃèÊöÕýÈ·µÄÊÇ______¡££¨Ñ¡ÔñÒ»Ïî»ò¶àÏ

A. RTD ¾ßÓÐÓëRTA ͬÑùµÄLSDB

B. RTC ¸ù¾ÝSPF Ëã·¨Ëã³öµ½´ï192.168.2.0/24 Íø¶ÎµÄ×î¼Ñ·¾¶ÎªC->A->B

C. ¾­¹ýSPF ¼ÆË㣬RTC µ½´ï192.168.4.0/24 Óëµ½´ï192.168.2.0/24 µÄ·¾¶Cost ÖµÏàͬ£¬Òò´ËÔÚRTC ÉϽ«ÐγɵȼÛ·ÓÉ D. RTC ½«ÓÐÁ½¸öOSPF ÁÚ¾Ó Answer: AB

362. ¿Í»§µÄÍøÂç½á¹¹ÈçͼËùʾ¡£ÒªÊµÏÖÈçÏÂÐèÇó£º

1. Host C ÓëHost B »¥·Ã 2. Host B ºÍHost A ²»ÄÜ»¥·Ã 3. Host A ºÍHost C ²»ÄÜ»¥·Ã ÄÇô______¡£

A. Ö»ÔÚMSR-1 µÄ½Ó¿ÚGE0/0 ÉÏÓ¦Óø߼¶ACL ¿ÉÒÔʵÏÖ¸ÃÐèÇó B. Ö»ÔÚMSR-1 µÄ½Ó¿ÚGE0/0 ÉÏÓ¦ÓÃACL ÎÞ·¨ÊµÏÖ¸ÃÐèÇó

C. ·Ö±ðÔÚÁ½Ì¨Â·ÓÉÆ÷µÄ½Ó¿ÚGE0/0 ÉÏÓ¦Óø߼¶ACL ¿ÉÒÔʵÏÖ¸ÃÐèÇó D. ·Ö±ðÔÚMSR-1 µÄ½Ó¿ÚS1/0¡¢GE0/0 ÉÏÓ¦Óø߼¶ACL ¿ÉÒÔʵÏÖ¸ÃÐèÇó Answer: ACD

377. ÍøÂç»·¾³ÈçͼËùʾ¡£ÔÚ·ÓÉÆ÷RTA ÉÏ×öÈçÏÂNAT ÅäÖãº

[RTA]acl number 2000

[RTA-acl-basic-2000]rule 0 permit source 100.0.0.0 0.0.0.255 [RTA]nat address-group 1 200.76.28.11 200.76.28.20 [RTA]interface Ethernet0/1

[RTA-Ethernet0/1]nat outbound 2000 address-group 1 no-pat

ÅäÖúó£¬Client_A ºÍClient_B ͬʱ·ÃÎÊServer£¬Ôò´ËʱRTA µÄNAT ±íÄÚÈÝ¿ÉÄÜΪ______¡£ A.

Protocol GlobalAddr Port InsideAddr Port DestAddr Port

- 200.76.28.11 --- 100.0.0.2 --- --- ---

VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:04:00 - 200.76.28.12 --- 100.0.0.1 --- --- ---

VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:03:59 1 200.76.28.12 1024 100.0.0.1 1024 200.76.29.4 1024 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:00:59 1 200.76.28.11 512 100.0.0.2 512 200.76.29.4 512 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:01:00 B.

Protocol GlobalAddr Port InsideAddr Port DestAddr Port - 200.76.28.11 --- 100.0.0.2 --- --- ---

VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:04:00 - 200.76.28.12 --- 100.0.0.1 --- --- ---

VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:03:59 1 200.76.28.12 1024 100.0.0.1 1024 200.76.29.4 1024 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:00:59 1 200.76.28.11 511 100.0.0.2 512 200.76.29.4 512 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:01:00 C.

Protocol GlobalAddr Port InsideAddr Port DestAddr Port - 200.76.28.11 --- 100.0.0.2 --- --- ---

VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:04:00 - 200.76.28.12 --- 100.0.0.1 --- --- ---

VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:03:59 1 200.76.28.21 1024 100.0.0.1 1024 200.76.29.4 1024 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:00:59 1 200.76.28.11 512 100.0.0.2 512 200.76.29.4 512 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:01:00 D.

Protocol GlobalAddr Port InsideAddr Port DestAddr Port - 200.76.28.11 --- 100.0.0.2 --- --- ---

VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:04:00 - 200.76.28.12 --- 100.0.0.1 --- --- ---

VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:03:59 1 200.76.28.12 1023 100.0.0.1 1024 200.76.29.4 1024 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:00:59 1 200.76.28.11 511 100.0.0.2 511 200.76.29.4 512 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:01:00 Answer: A

383. ÍøÂç»·¾³ÈçͼËùʾ£¬______ÊÇÕýÈ·µÄNAPT ÅäÖá£

A. acl number 2000

rule 0 permit source 192.168.0.2 0.0.0.255 nat address-group 1 1.1.1.1 interface Ethernet 0/1

nat outbound 2000 address-group 1 B. acl number 2000

rule 0 permit source 192.168.0.2 0.0.0.255 nat address-group 1 1.1.1.1 interface Ethernet 0/1

nat outbound 2000 address-group 1 no-pat C. acl number 2000

rule 0 permit source 192.168.0.2 0.0.0.255 interface Ethernet 0/1

nat outbound 2000 address-group 1 no-pat D. acl number 2000

rule 0 permit source 192.168.0.2 0.0.0.255 interface Ethernet 0/1 nat outbound 2000 Answer: AD

426. ¿Í»§µÄÍøÂçÁ¬½ÓÈçͼËùʾ¡£ÆäÖÐRTA¡¢RTB¡¢RTC µÄIP µØÖ··Ö±ðΪ2.2.2.1/24¡¢2.2.2.2/24¡¢2.2.2.3/24£¬ÒªÊµÏÖRTA ÓëRTB¡¢RTC µÄ»¥Í¨£¬ÔÚRTA ÉÏÅäÖÃÈçÏÂÄÄЩ֡ÖмÌMAP ÊÇÕýÈ·µÄ£¿

A. fr map ip 2.2.2.1 40 B. fr map ip 2.2.2.2 40 C. fr map ip 2.2.2.1 40 60 D. fr map ip 2.2.2.3 50 Answer: BD

428. ÔÚͼÖз½¿ò´¦Ó¦Ê¹ÓõÄÉ豸ÊÇ______¡£

A. ·ÓÉÆ÷ B. CSU/DSU C. ¹ãÓòÍø½»»»»ú D. µ÷ÖÆ½âµ÷Æ÷ Answer: A

435. ÔÚËĄ̈MSR ·ÓÉÆ÷Ö®¼äÔËÐÐOSPF ²¢»®·ÖÇøÓò£¬ÆäÁ¬½ÓÒÔ¼°»®·Ö·½Ê½Èçͼ¡£ÒÑÖªÍøÂçÖÐËùÓÐÁ´Â·µÄOSPF Cost Öµ¶¼Îª10£¬ÄÇô¹ØÓÚ´ËͼÃèÊöÕýÈ·µÄÊÇ______¡££¨Ñ¡ÔñÒ»Ïî»ò¶àÏ

A. ÍøÂçÖÐËĄ̈·ÓÉÆ÷¶¼ÊÇABR(Area Border Router)

B. Area 0 Ö®¼äµÄÁ´Â·¹ÊÕϺó£¬RTA ·ÃÎÊRTB µÄ·¾¶ÎªRTA->RTD->RTC->RTB C. RTA ·ÃÎÊRTC ÓÐÁ½ÌõµÈֵ·¾¶£¬·Ö±ðΪRTA->RTB->RTC ºÍRTA->RTD-RTC D. RTD ·ÃÎÊRTB »áÓÅÏÈÑ¡ÔñRTD->RTA->RTB ·¾¶ Answer: D

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