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D.UPDATE ÏûÏ¢²ÉÓÃ×é²¥ÐÎʽ·¢ËÍ

231.UPDATE ÏûÏ¢Ëù°üº¬µÄÄÚÈÝ£¬ÃèÊö´íÎóµÄÊÇ£º A.UPDATE °üº¬Â·¾¶ÊôÐÔ

B.UPDATE °üº¬¿É´ï·ÓÉǰ׺ÐÅÏ¢ C.UPDATE °üº¬±¾µØ×ÔÖÎϵͳÏûÏ¢ D.UPDATE °üº¬³·Ïú·ÓÉǰ׺ÐÅÏ¢

232.BGP ÁÚ¾Ó½¨Á¬µÄ״̬ÓУº 1.Active

2.OpenConfirm 3.Idle

4.Establish 5.OpenSent

½¨Á¢Ò»¸ö³É¹¦µÄÁ¬½ÓËù¾­ÀúµÄ״̬»ú˳ÐòÊÇ A.3-1-5-2-4 B.3-5-1-2-4 C.1-3-5-2-4 D.3-1-2-5-4

233.ÅжϣºÔÚËùÓÐBGP ·ÓÉÆ÷ʹÄÜRoute-refresh ÄÜÁ¦µÄÇé¿öÏ£¬Èç¹ûBGP µÄÈë¿Ú·ÓɲßÂÔ·¢ÉúÁ˱仯£¬±¾µØBGP ·ÓÉÆ÷»áÏò¶ÔµÈÌå·¢²¼Route-refresh ÏûÏ¢£¬ÊÕµ½´ËÏûÏ¢µÄ¶ÔµÈÌå»á½«Æä·ÓÉÐÅÏ¢ÖØÐ·¢¸ø±¾µØBGP ·ÓÉÆ÷¡£ A.True B.False

234.¹ØÓÚBGP ״̬»úÃèÊö´íÎóµÄ£º

A.Idle ״̬Ï£¬BGP ¾Ü¾øÈκνøÈëµÄÁ¬½ÓÇëÇó£¬ÊÇBGP ³õʼ״̬¡£

B.Active ״̬Ï£¬BGP ½«³¢ÊÔ½øÐÐTCP Á¬½ÓµÄ½¨Á¢£¬ÊÇBGP µÄÖмä״̬¡£

C.Established ״̬Ï£¬BGP ¶ÔµÈÌå¼ä¿ÉÒÔ½»»»Update ±¨ÎÄ¡¢Route-refresh ±¨ÎÄ¡¢Keepalive ±¨ÎĺÍNotification ±¨ÎÄ¡£

D.BGP ¶ÔµÈÌåË«·½µÄ״̬±ØÐ붼ΪOpenConfirm£¬BGP ÁÚ¾Ó¹ØÏµ²ÅÄܳÉÁ¢£¬Ë«·½Í¨¹ýUpdate ±¨ÎĽ»»»Â·ÓÉÐÅÏ¢¡£

235.¹ØÓÚBGP Êý¾Ý¿âµÄÃèÊö´íÎóµÄÊÇ

A.BGP ·ÓÉ±í£¨Loc-RIB£©ÊÇBGP ·ÓÉÐÅÏ¢¿â£¬°üº¬±¾µØBGP Speaker Ñ¡ÔñµÄ·ÓÉÐÅÏ¢ B.ÁÚ¾Ó±í°üº¬¶ÔµÈÌåÁÚ¾ÓÇåµ¥Áбí

C.Adj-RIB-In ÃèÊö¶ÔµÈÌåÐû¸æ¸ø±¾µØSpeaker µÄδ´¦ÀíµÄ·ÓÉÐÅÏ¢¿â

D.Loc-RIB ÖеÄÄÚÈݲ»Óþ­¹ýÊä³ö²ßÂÔ£¬¿ÉÒÔÖ±½Ó°²×°µ½Êä³öRIB (Adj-RIB-Out)ÖÐ

236.¹ØÓÚBGP ·ÓÉͨ¸æÔ­ÔòÃèÊöÕýÈ·µÄÊÇ£º£¨ÇëÑ¡Ôñ3 ¸öÕýÈ·´ð°¸£©

A.BGP Á¬½ÓÒ»½¨Á¢£¬BGP Speaker ½«°Ñ×Ô¼ºËùÓÐBGP ·ÓÉͨ¸æ¸øÐ¶ԵÈÌå B.BGP Speaker »á°Ñ×Ô¼ºËùÓеÄBGP ·ÓÉͨ¸æ¸ø¶ÔµÈÌå

C.Ò»°ãÇé¿öÏ£¬µ±´æÔÚ¶àÌõ·¾¶Ê±£¬BGP Speaker ֻѡ×îÓŵĸø×Ô¼ºÊ¹ÓÃ

D.BGP Speaker ´ÓEBGP »ñµÃµÄ·ÓÉ»áÏòËüËùÓÐBGP ¶ÔµÈÌåͨ¸æ£¨°üÀ¨EBGP ºÍIBGP£©

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237.¹ØÓÚBGP ÖÐnetwork ÃüÁîÃèÊö´íÎóµÄÊÇ£º A.ͨ¹ýnetwork ×¢ÈëµÄ·ÓɱØÐë´æÔÚÓÚIP ·ÓɱíÖÐ B.×¢ÈëµÄ·ÓÉÐèÒªÑϸñÆ¥ÅäIP ·ÓɱíÖеÄÑÚÂ볤¶È C.ȱʡÇé¿öÏ£¬BGP ²»·¢²¼Èκα¾µØµÄÍøÂç·ÓÉ D.network ²»ÄÜÓëÏàÓ¦²ßÂÔÅäºÏʹÓÃ

238.ÏÂÃæ¹ØÓÚBGP ÖеĹ«ÈÏÊôÐÔÃèÊöÕýÈ·µÄÊÇ£º£¨ÇëÑ¡Ôñ3 ¸ö´ð°¸£© A.¹«ÈÏÊôÐÔ·ÖΪ¹«ÈϱØ×ñºÍ¿ÉÑ¡¹ý¶ÉÁ½ÖÖ B.BGP ±ØÐëʶ±ðËùÓй«ÈÏÊôÐÔ

C.¹«ÈϱØ×ñÊôÐÔÊÇËùÓÐBGP ·ÓÉÆ÷¶¼¿ÉÒÔʶ±ð£¬ÇÒ±ØÐë´æÔÚÓÚUpdate ÏûÏ¢ÖÐ

D.¹«ÈÏÈÎÒâÊôÐÔÊÇËùÓÐBGP ·ÓÉÆ÷¶¼¿ÉÒÔʶ±ð£¬µ«²»ÒªÇó±ØÐë´æÔÚÓÚUpdate ÏûÏ¢ÖÐ

239.ÏÂÃæ¹ØÓÚBGP ÖеĿÉÑ¡ÊôÐÔÃèÊöÕýÈ·µÄÊÇ£º£¨ÇëÑ¡Ôñ3 ¸ö´ð°¸£©

A.³ý¹«ÈÏÊôÐÔÍ⣬ÿUPDATE ÏûÏ¢Àï¶¼¿ÉÒÔ°üº¬Ò»¸ö»ò¶à¸ö¿ÉÑ¡ÊôÐÔ¡£²¢ÊÇÿ¸öBGP Speaker ¶¼ÒªÇóÖ§³ÖÕâЩ¿ÉÑ¡ÊôÐÔ¡£

B.¿ÉÑ¡ÊôÐÔ·ÖΪ¿ÉÑ¡¹ý¶ÉºÍ¿ÉÑ¡·Ç¹ý¶ÉÁ½ÖÖ

C.¿ÉÑ¡¹ý¶ÉÊôÐÔÊÇBGP ·ÓÉÆ÷¿ÉÒÔÑ¡ÔñÊÇ·ñÔÚUpdate ÏûÏ¢ÖÐЯ´øÕâÖÖÊôÐÔ¡£½ÓÊյķÓÉÆ÷Èç¹û²»Ê¶±ðÕâÖÖÊôÐÔ£¬¿ÉÒÔת·¢¸øÁÚ¾Ó·ÓÉÆ÷£¬ÁÚ¾Ó·ÓÉÆ÷¿ÉÄÜ»áʶ±ð²¢Ê¹Óõ½ÕâÖÖÊôÐÔ

D.¿ÉÑ¡·Ç¹ý¶ÉÊôÐÔÊÇBGP ·ÓÉÆ÷¿ÉÒÔÑ¡ÔñÊÇ·ñÔÚUpdate ÏûÏ¢ÖÐЯ´øÕâÖÖÊôÐÔ¡£½ÓÊյķÓÉÆ÷Èç¹û²»Ê¶±ðÕâÖÖÊôÐÔ£¬½«¶ªÆúÕâÖÖÊôÐÔ£¬²»±ØÔÙת·¢¸øÁÚ¾Ó·ÓÉÆ÷

240.ÏÂÃæÔÚBGP ·ÓÉÊôÐÔÖУ¬ÄǸö²»Êǹ«ÈÏÊôÐÔ A.AS_PATH B.Origin C.MED

D.Local_Pref

241.ÏÂÃæ¹ØÓÚBGP ÖÐOrigin ÊôÐÔÃèÊö´íÎóµÄÊÇ£º

A.ͨ¹ýnetwork ÃüÁî×¢ÈëBGP µÄ·ÓÉ£¬Origin ÊôÐÔΪIGP B.ͨ¹ýEGP ѧµ½µÄ·ÓÉ£¬ÔòOrigin ÊôÐÔΪEGP

C.Origin ÊôÐÔÈý¸öÖµµÄÓÅÏÈ˳ÐòΪEGP>IGP>INCOMPLETE D.ͨ¹ýimport ÃüÁî×¢ÈëBGP µÄ·ÓÉ, Origin ÊôÐÔ¶¼ÎªIncomplete

242.ÏÂÃæ¹Ødisplay bgp routing-table ÃüÁîÊä³öµÄÄÚÈÝÃèÊöÕýÈ·µÄÊÇ£º [HUAWEI]display bgp routing-table Total Number of Routes: 2

BGP Local router ID is 192.168.2.1

Status codes: * - valid, > - best, d - damped, h - history, i - internal, s - suppressed, S - Stale Origin : i - IGP, e - EGP, ? - incomplete

Network NextHop MED LocPrf PrefVal Path/Ogn *> 192.168.1.0 10.1.1.1 0 0 100i

A.µ½´ïÄ¿µÄµØÖ·192.168.1.0 µÄ·ÓÉÊÇͨ¹ýnetwork ÃüÁî×¢Èëµ½BGP ·ÓɱíÖÐµÄ B.µ½´ïÄ¿µÄµØÖ·192.168.1.0 µÄ·ÓÉÊÇͨ¹ýAS200 ѧµ½µÄ

C.µ½´ïÄ¿µÄµØÖ·192.168.1.0 µÄ·ÓÉÔÚBGP ·ÓɱíÖв»ÊÇ×îÓŵÄ

38

D.µ½´ïÄ¿µÄµØÖ·192.168.1.0 µÄ·ÓɵÄMED ÖµÊÇ100

243.BGP ÁÚ¾ÓPeerA ÔÚOpen ÖÐЯ´øµÄHold timer ʱ¼äÊÇ90s£¬PeerB ÔÚOpen ÖÐЯ´øµÄHold timer ʱ¼äÊÇ30s£¬PeerA ºÍPeerB ½¨Á¬³É¹¦ºó·¢ËÍKeepalive ÏûÏ¢µÄʱ¼ä¼ä¸ôÊÇ A.90s B.30s C.10s

D.²»·¢ËÍKeepalive ±¨ÎÄ

244.ÏÂÃæ¹ØÓÚAS_PATH ÃèÊö´íÎóµÄÊÇ£º

A.AS_PATH ÊÇÖ¸BGP ·ÓÉÔÚ´«ÊäµÄ·¾¶ÖÐËù¾­ÀúµÄAS µÄÁбí B.AS_PATH ÊÇBGP ÖÐÒ»¸ö·Ç³£ÖØÒªµÄ¹«ÈϱØ×ñÊôÐÔ

C.BGP ²»»á½ÓÊÜAS_PATH ÊôÐÔÖаüº¬±¾AS Number µÄ·ÓÉ D.µ±Â·ÓÉÆ÷ÖдæÔÚÁ½Ìõ»òÕßÁ½ÌõÒÔÉϵĵ½Í¬Ò»Ä¿µÄµØµÄ·ÓÉʱ£¬ÕâЩ·ÓÉ¿ÉÒÔͨ¹ý´ËÊôÐԱȽÏÏ໥֮¼äµÄÓÅÁÓ£¬AS_PATH Ô½³¤µÄ·¾¶Ô½ÓÅÏÈ

245.ÏÂÃæ¹ØÓÚLocal-Preference ÃèÊöÕýÈ·µÄÊÇ A.Local-Preference Êǹ«ÈϱØ×ñÊôÐÔ

B.Local-Preference Ò»°ãÇé¿öÏ£¬Ó°Ïì½øÈëAS ÄÚµÄÁ÷Á¿ C.Local-Preference ¿ÉÒÔ¿çAS ´«²¥ D.Local-Preference ĬÈÏÖµÊÇ100

246.ÏÂÃæ¹ØÓÚMED ÃèÊöÕýÈ·µÄÊÇ A.MED ÊÇ¿ÉÑ¡·Ç¹ý¶ÉÊôÐÔ

B.MED Ò»°ãÇé¿öÏ£¬Ó°Ïì´ÓAS Á÷³öµÄÁ÷Á¿ C.MED Ö»ÄÜÔÚ±¾AS ÄÚ´«µÝ D.MED ĬÈÏÖµÊÇ100

247.¹ØÓÚsummary automatic ÃüÁîºÍBGP ¾ÛºÏµÄÃèÊö´íÎóµÄÊÇ£º A.¸ÃÃüÁîÓÃÀ´Ê¹ÄܶԱ¾µØÒýÈëµÄ·ÓɽøÐÐ×Ô¶¯¾ÛºÏ B.ÅäÖøÃÃüÁîºó£¬BGP ½«°´ÕÕ×ÔÈ»Íø¶Î¾ÛºÏ·ÓÉ

C.ÅäÖøÃÃüÁîºó£¬BGP Ö»Ïò¶ÔµÈÌå·¢Ë;ۺϺóµÄ·ÓÉ

D.ÅäÖøÃÃüÁîºó£¬BGP ²»ÔÙ½ÓÊÕIGP ·¢²¼µÄ×ÓÍøÂ·ÓÉ£¬Òò´Ë¿ÉÒÔ¼õÉÙ·ÓÉÐÅÏ¢µÄÊýÁ¿ E.¸ÃÃüÁîÓÃÓÚʵÏÖ×Ô¶¯¾ÛºÏ¡£ÆäÓÅÏȼ¶¸ßÓÚÊÖ¶¯¾ÛºÏ

248.ÏÂÃæ¹ØÓÚOriginator_ID ÊôÐÔÃèÊö´íÎóµÄÊÇ£º

A.Originator_ID ÊôÐÔÓÃÀ´·Àֹ·ÓÉÔÚ·´ÉäÆ÷ºÍ¿Í»§»ú/·Ç¿Í»§»úÖ®¼ä³öÏÖ»·Â·

B.Originator_ID ÊôÐÔÊÇÓÉ·ÓÉ·´ÉäÆ÷²úÉúµÄ£¬Ð¯´øÁ˱¾µØAS ÄÚ²¿Â·ÓÉ·¢ÆðÕßµÄRouter ID C.Originator_ID ÊôÐÔÊÇ¿ÉÑ¡·Ç¹ý¶ÉÊôÐÔ

D.µ±ÆäËüBGP Speaker ½ÓÊÕµ½ÕâÌõ·ÓɵÄʱºò£¬½«±È½ÏÊÕµ½µÄOriginator_ID ºÍ±¾µØµÄRouter ID£¬Èç¹ûÁ½¸öID Ïàͬ£¬BGP Speaker »áºöÂÔµôÕâÌõ·ÓÉ£¬²»×ö´¦Àí

249.ÏÂÃæ¹ØÓÚCluster_ID ÊôÐÔÃèÊö´íÎóµÄÊÇ£º A.Cluster_ID ÊôÐÔÊÇÓÃÀ´·ÀÖ¹AS ÄÚ²¿µÄ»·Â·

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B.Cluster_ID ÊôÐÔÊÇ¿ÉÑ¡¹ý¶ÉÊôÐÔ

C.Cluster_ID ÊôÐÔÊÇÓÉ·ÓÉ·´ÉäÆ÷²úÉúµÄ£¬ÃèÊöÁËÒ»Ìõ·ÓÉËù¾­¹ýµÄ·´ÉäÆ÷·¾¶

D.Cluster_List Ö»ÔÚAS ÄÚ²¿´«²¥£¬´ÓEBGP ¶ÔµÈÌåÊÕµ½µÄº¬ÓÐCluster_List µÄ·Óɽ«±»¶ªÆú¡£

250.ÏÂÃæ¹ØÓÚÁªÃ˵ÄÃèÊöÕýÈ·µÄÊÇ£º

A.ÁªÃËͨ¹ý°Ñ´óµÄAS ·Ö³É¶à¸ö¸üСµÄAS À´½â¾öIBGP È«»¥Á¬µÄÎÊÌâ B.²¿ÊðÁªÃËʱ£¬Æä³ÉÔ±AS ÐèҪʹÓÃÏàͬµÄIGP

C.ÁªÃËÖУ¬ÔÚ·¢Ë͸üеÄʱºò£¬NEXP_HOP¡¢MED¡¢LOCAL_PREF ºÍAS-PATH ¶¼»á±»ÐÞ¸Ä D.ÁªÃË×ÔÖÎϵͳ֮¼äÈÔÈ»²ÉÓÃAS-Path À´·ÀÖ¹»·Â·

251.¹ØÓÚBGP ½¨Á¢ÁÚ¾Ó¹ØÏµ²»Äܽ¨Á¢£¬·ÖÎö´íÎóµÄÊÇ£º A.ÓпÉÄܽûÓÃÁËTCP ¶Ë¿Ú179£¬´Ó¶øµ¼ÖÂÁÚ¾ÓÎÞ·¨½¨Á¢ B.ÓпÉÄÜBGP ÁÚ¾Ó²»¿É´ï£¬µ¼ÖÂÁÚ¾ÓÎÞ·¨½¨Á¢

C.ÓпÉÄÜOPEN ±¨ÎÄÔÚЭÉ̵Ĺý³ÌÖвúÉú´íÎ󣬵¼ÖÂÁÚ¾Ó¹ØÏµÎÞ·¨½¨Á¢

D.ÔÚ½¨Á¢·ÇÖ±Á¬EBGP ÁÚ¾Ó¹ØÏµÊ±£¬ÓÉÓÚĬÈÏEBGP ¸üб¨ÎĵÄTTL ÊÇ2 ²¢Ã»ÓÐÊÖ¹¤½øÐиü¸Ä£¬µ¼ÖÂÁÚ¾ÓÎÞ·¨½¨Á¢

252.ÏÂÃæÊÇһ̨·ÓÉÊä³öµÄÐÅÏ¢£º [HUAWEI]display bgp peer BGP local router ID : 2.2.2.2 Local AS number : 100

Total number of peers : 2 Peers in established state : 0

Peer V AS MsgRcvd MsgSent OutQ Up/Down State PrefRcv 1.1.1.1 4 100 1 0 0 0 00:04:07 Active A.¸Ã·ÓÉÆ÷µÄRouter ID ÊÇ1.1.1.1 B.¸Ã·ÓÉÆ÷Ëù´¦µÄAS ºÅÊÇ100

C.¸Ã·ÓÉÆ÷ÓëÁÚ¾Ó2.2.2.2 ÊÇIBGP ÁÚ¾Ó¹ØÏµ D.¸Ã·ÓÉÆ÷ÓëÁÚ¾ÓЭÉ̲¢²ÉÓõÄÊÇBGP °æ±¾3

253.[HUAWEI]display bgp peer BGP local router ID : 1.1.1.1 Local AS number : 100

Total number of peers : 2 Peers in established state : 0

Peer V AS MsgRcvd MsgSent OutQ Up/Down State PrefRcv 2.2.2.2 4 100 1 0 0 0 00:04:07 Active

ÉÏÃæÊÇһ̨·ÓÉÆ÷µÄÊä³öÐÅÏ¢£¬ÏÂÃæ¹ØÓÚ·ÓÉÆ÷ÓëÁÚ¾Ó2.2.2.2 µÄÁÚ¾Ó¹ØÏµ´¦ÓÚActive ״̬·ÖÎöÖУ¬×îÓпÉÄÜÊÇÓÉÓÚÏÂÃæÄÇÖÖÔ­Òòµ¼Öµģ¿ A.¿ÉÄÜÊÇÒòΪTCP ¶Ë¿Ú179 ±»½ûÓõ¼ÖµÄ

B.¿ÉÄÜÊÇÓÉÓÚûÓÐÊÕµ½¶Ô·½KEEPALVIE ±¨Îĵ¼Ö嵀 C.¿ÉÄÜÊÇÓÉÓÚûÓÐÊÕµ½¶Ô·½¸üб¨Îĵ¼Ö嵀 D.¿ÉÄÜÊÇÓÉÓÚOPEN ЭÉ̲úÉúÎÊÌâµ¼ÖµÄ

254.BGP Open ÏûÏ¢ÖÐЯ´øÈçÏÂÄÄЩÐÅÏ¢£¿(ÇëÑ¡Ôñ3 ¸ö´ð°¸) A.±¾µØ×ÔÖÎϵͳ£¨AS£©ºÅ B.BGP ID C.Hold time

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