1. ãžã¥ãããŒãããã¯ãŒã¯ã¹èªå®è³æ Œã®éèŠæ§
ãžã¥ãããŒãããã¯ãŒã¯ã¹ã¯Ciscoã«æ¬¡ãã§ããããã¯ãŒã¯æ©åšã®å€§æã¡ãŒã«ãŒã§ãããå€ãã®äŒæ¥ã§ãã®è£œåã䜿çšãããŠããŸãããã®çµæããžã¥ãããŒãããã¯ãŒã¯ã¹ã®èªå®è³æ Œã¯ITã®äžçã§éèŠãªååšæãæŸã£ãŠããŸãã
1.1 äŒæ¥ã§ã®éèŠãšèªç¥åºŠ
ãžã¥ãããŒãããã¯ãŒã¯ã¹è£œåãæ±ãäŒæ¥ã§ã¯ãç©æ¥µçã«æè¡è ã®ã¹ãã«ã¢ãããå³ããããå°å ¥ãä¿å®ã«é¢äžããæè¡è ãžã®è³æ ŒååŸã匷ãå§ããããŠããŸãããã®ãããè³æ Œãæã€ããšã¯å°±è·ã転è·åžå Žã§å€§ããªæŠåšãšãªãã§ãããã
1.2 ã·ã§ã¢ãšåžå ŽäŸ¡å€
ãžã¥ãããŒãããã¯ãŒã¯ã¹ã¯åžå Žã·ã§ã¢ç¬¬2äœãèªãããã®åžå ŽäŸ¡å€ã¯é«ããšèšããŸãããã®ããããžã¥ãããŒãããã¯ãŒã¯ã¹ã®è³æ Œãæã€ããšã¯ãæè¡è èªèº«ã®åžå ŽäŸ¡å€ãé«ããçµæãšãªãã§ãããã
1.3 ãã£ãªã¢ã¢ãããžã®åœ±é¿
ãã®èªå®è³æ Œã¯ããããã¯ãŒã¯ãšã³ãžãã¢ã®ãã£ãªã¢ã¢ããã«å€§ãã«åœ¹ç«ã¡ãŸããæè¡è ã¯JNCIAããå§ããŠãJNCISãJNCIPãžãšã¹ãã«ã¢ããããŠããã°ãããé«åºŠãªä»äºãä»»ãããå¯èœæ§ãé«ãŸããŸãã
1.4 ãžã¥ãããŒè£œåã®ç¥èã»ã¹ãã«ã®èšŒæ
ãžã¥ãããŒãããã¯ãŒã¯ã¹ã®èªå®è³æ Œã¯ããããã¯ãŒã¯ã«é¢ããå šè¬çãªç¥èãšããžã¥ãããŒè£œåã®å°éçãªã¹ãã«ã®ç¿åŸã蚌æããŸããããã¯ãéçšæ©äŒãæé²ã®éã«å€§ããªå©ç¹ãšãªããŸãã
2. JNCIA: ãžã¥ãããŒãããã¯ãŒã¯ã¹èªå®ã¢ãœã·ãšã€ã
JNCIAãååå šç§°ã§ãžã¥ãããŒãããã¯ãŒã¯ã¹èªå®ã¢ãœã·ãšã€ãã¯ããããã¯ãŒã¯ãšã³ãžãã¢ãªã³ã°çã®æ°ã ã®èªå®è³æ Œã®äžã§äžè¬çãªåºæ¬çãªè³æ Œã«ãŸã€ãã£ãåºç€ç¥èãæããäºã蚌æããããã®ã§ãã
2.1 JNCIAã®æŠèŠãšç®ç
ããã§ã¯JNCIAãšããè³æ Œã®æŠèŠãšç®çã«ã€ããŠè§£èª¬ããŸãããŸããJNCIAã¯ãžã¥ãããŒãããã¯ãŒã¯ã¹è£œåãé©åã«æäœããããã®åºæ¬çãªç¥èã蚌æããè³æ Œã§ããããããã¯ãŒã¯ã®åçŽè ã«å¯ŸããŠã¯ãç解ããç¿åŸããããã®çæ³çãªãã¹ãšãªãã§ãããã
èªå®ãç®æãåã ã®ictãããã§ãã·ã§ãã«ã¯ãJNCIAãååŸããããšã§ãæ¥çå šäœã®ãããã¯ãŒã¯æŠå¿µãåºæ¬æäœãããã³ãããã¯ãŒã¯ãã©ãã«ã·ã¥ãŒãã£ã³ã°ã«ã€ããŠã®åºæ¬çãªç解ãåŸãããšãã§ããŸãã
2.2 è©Šéšã®å 容ãšãã©ãŒããã
次ã«è©Šéšã®å 容ã«ã€ããŠç解ããŸããè©Šéšã¯ãªã³ã©ã€ã³ã§åããããšãã§ããè€æ°åœ¢åŒã®åé¡ã§æ§æãããŠããŸããè©ŠéšæŠèŠã«ã¯ããããã¯ãŒãã³ã°ã®åºæ¬ãåºæ¬çãªã«ãŒãã£ã³ã°ãšã¹ã€ããã³ã°ã®æŠå¿µãJunosããã€ã¹ã®æäœãªã©ãå«ãŸããŠããŸãã
ãã®è©Šéšã¯çè«ãšå®è·µçãªç¥èãçµã¿åãããå 容ãšãªã£ãŠãããåæ Œã«ã¯åºæ¬ã®ãããã¯ãŒã¯ç¥èãšãžã¥ãããŒãããã¯ãŒã¯ã¹è£œåã®åºæ¬æäœã«ã€ããŠã®ç解ãå¿ èŠãšãªããŸãã
2.3 åºæ¬ç¥èãšã¹ãã«ã»ãã
JNCIAè©Šéšã®æºåãããäžã§å¿ èŠãªåºæ¬ç¥èãšã¹ãã«ã»ããã«ã€ããŠè§£èª¬ããŸããå¿ èŠãªç¥èãšããŠã¯ããããã¯ãŒã¯ã®åºæ¬ååãTCP/IPãšãã®çžäºäœçšãJunosããã€ã¹ã®åºæ¬çãªèšå®ãšç®¡çãªã©ãæããããŸãã
äžæ¹ãè©Šéšã«æºåããã«ã¯ã·ãã¥ã¬ãŒã·ã§ã³ç°å¢ã§ãžã¥ãããŒããã€ã¹ã®ç®¡çãè¡ã£ãçµéšãç¹ã«Junosã®åºæ¬çãªæ©èœãšèšå®ã«ã€ããŠã®ç解ãå¿ èŠã«ãªãã§ãããã
2.4 JNCIAååŸã®å©ç¹
æåŸã«ãJNCIAååŸã®å©ç¹ã«ã€ããŠèª¬æããŸãããŸããJNCIAã¯ãžã¥ãããŒãããã¯ãŒã¯ã¹è£œåã«å¯Ÿããä¿¡é Œæ§ãšå°éæ§ã蚌æããããšãã§ããè³æ Œã§ãããã®ãããJNCIAãååŸããããšã¯ãéçšè ã«å¯ŸããŠèªãããããã¯ãŒã¯åºæ¬åäœã®ç¥èãæããããšã瀺ãæå¹ãªæ段ãšãªããŸãã
ãŸãããã®ä»ã®é«åºŠãªãžã¥ãããŒãããã¯ãŒã¯ã¹ã®èªå®è©Šéšãåããããã®å¿ é æ¡ä»¶ã§ããããŸãããããã£ãŠãJNCIAã¯ãããã¯ãŒã¯ãã£ãªã¢ãè¿œæ±ãããã¹ãŠã®å°é家ã«ãšã£ãŠããã®ç¬¬äžæ©ãšãªãã§ãããã
3. JNCIS: ãžã¥ãããŒãããã¯ãŒã¯ã¹èªå®ã¹ãã·ã£ãªã¹ã
次ã«ãããªããé²ãã¹ãã¹ãããã¯ãžã¥ãããŒãããã¯ãŒã¯ã¹èªå®ã¹ãã·ã£ãªã¹ãïŒJNCISïŒã§ããããJNCIAããäžæ©é²ãã ãã®è³æ Œã¯ãããæ·±ããããã¯ãŒã¯ã®ç解ã蚌æããããªããçã®ãããšããŠèªããããéãéãããšã§ãããã
ãã®ã¬ãã«ã§ã¯ãç¹ã«ãžã¥ãããŒè£œåã«å¯Ÿããç¥èãšãäžçŽã¬ãã«ã®ãããã¯ãŒã¯æ§ç¯ããã³åé¡è§£æ±ºã¹ãã«ãæ±ããããŸãã
ããã«ãè©Šéšæã¯ã ããã2äžåçšåºŠãšãèšãããŠããŸãã
3.1 JNCISã®æŠèŠãšç®ç
JNCISèªå®è³æ Œã¯ãJNCIAè³æ Œããã§ã«æã£ãŠãããšã³ãžãã¢ããããã«é«åºŠãªãããã¯ãŒã¯ãšã³ãžãã¢ãªã³ã°ã®ã¹ãã«ãšç解ã蚌æããããã®ãã®ã§ãã
ãã®è³æ ŒãåŸãããšã§ãããé«åºŠãªãããã¯ãŒãã³ã°ã®å®è£ ãšãã©ãã«ã·ã¥ãŒãã£ã³ã°ãè¡ãããã®ç¥èãšæè¡ãç¿åŸãããšãšãã«ããããã¯ãŒã¯ã®å®å®æ§ãä¿ã€ããã®éèŠãªæé ãšããã»ã¹ãåŠã³ãŸãã
ãããŠãè³æ ŒãååŸããããšã§ãããªãã®ãããã¯ãŒãã³ã°ã¹ãã«ãšç解ãè©äŸ¡ãããèªåèªèº«ã®ãããã§ãã·ã§ãã«ãªäŸ¡å€ãé«ããããšãã§ããŸãã
3.2 è©Šéšã®å 容ãšãã©ãŒããã
JNCISã®è©Šéšã¯ãåºæ¬çã«äžçŽã¬ãã«ã®ãžã¥ãããŒãããã¯ãŒã¯ã¹è£œåã®ç¥èãšãããã¯ãŒãã³ã°ã®ã¹ãã«ãè©äŸ¡ãããã®ã§ãã
è©Šéšå 容ã¯ãå€å²ã«ããããè©Šéšåœ¢åŒã¯äž»ã«éžæåé¡ã§ããåéšè ã¯ããããã¯ãŒã¯åºç€ãã«ãŒãã£ã³ã°ãšã¹ã€ããã³ã°ãã»ãã¥ãªãã£ããã©ãã«ã·ã¥ãŒãã£ã³ã°ãªã©ã®ç¯å²å ã®åé¡ã«å¯Ÿå¿ããèœåãæ±ããããŸãã
åæ Œã®ããã«ã¯ãããæ·±ãçè«çç¥èãšããžã¥ãããŒãããã¯ãŒã¯ã¹è£œåã§ã®å®è·µçãªã¹ãã«ãå¿ èŠãšãªããŸãã
3.3 äžçŽã¬ãã«ã®ã¹ãã«ã»ãã
äžçŽã¬ãã«ã®ãžã¥ãããŒãããã¯ãŒã¯ã¹èªå®ã¹ãã·ã£ãªã¹ããšããŠãå¿ èŠãšãªãã¹ãã«ã»ããã«ã¯ããããã¯ãŒã¯ãã¶ã€ã³ãšå®è£ ãã·ã¹ãã ã®ãã©ãã«ã·ã¥ãŒãã£ã³ã°ããžã¥ãããŒè£œåã®èšå®ãšç®¡çãªã©ãå«ãŸããŸãã
ãŸããæ·±ãçè«çç¥èãèæ¯ã«ãå ·äœçãªãããã¯ãŒãã³ã°ã®åé¡ã解決ããããã®æŠç¥ãšæ段ãèŠã€ããèœåãæ±ããããŸãã
ãããã¯ãã¹ãŠããããã¯ãŒã¯ç°å¢ãè€éåããã«ã€ããŠãŸããŸãéèŠãšãªãã¹ãã«ã§ãããé©åã«ç¿åŸããããšã§ãããªãã®ãããã§ãã·ã§ãã«ãªãã£ãªã¢ãé£èºçã«åäžãããããšãã§ããŸãã
3.4 JNCISååŸã®å©ç¹
JNCISãååŸããããšã§ãéçšã®æ©äŒãå€§å¹ ã«å¢ãããã£ãªã¢ã¢ããã®ãã£ã³ã¹ãåºãããŸããå€ãã®äŒæ¥ã¯ããžã¥ãããŒãããã¯ãŒã¯ã¹ã®è£œåã䜿çšããŠãããããJNCISèªå®ãæã€ãšã³ãžãã¢ãé«ãè©äŸ¡ããŸãã
ãŸããèªå·±æé·ã®äžç°ãšããŠãäžçŽã¬ãã«ã®ã¹ãã«ã»ããã«å°éããããšã¯éåžžã«äŸ¡å€ããããŸãããããã¯ãŒã¯ãšã³ãžãã¢ãšããŠã®èªä¿¡ãåŸããšå ±ã«ãããå€æ§ãªæ¥çããããžã§ã¯ãã«é£ã³èŸŒãåæ°ãäžããŠãããŸãã
ããã«ãJNCISååŸã¯ã次ã®ã¬ãã«ã§ãããããã§ãã·ã§ãã«/ãšãã¹ããŒããžã®ã¹ãããã¢ããã«ãç¹ãã倧åãªã¹ãããã§ãã
4. JNCIP: ãžã¥ãããŒãããã¯ãŒã¯ã¹èªå®ãããã§ãã·ã§ãã«
4.1 JNCIPã®æŠèŠãšç®ç
JNCIPïŒJuniper Networks Certified Internet ProfessionalïŒã¯ããžã¥ãããŒãããã¯ãŒã¯ã¹ã®èªå®è³æ Œã®äžã§ãäžçŽã¬ãã«ã«äœçœ®ããè³æ Œã§ããäžçŽã¬ãã«ã®è³æ Œã§ããJNCISãæ¢ã«æã£ãŠããæ¹ã察象ãšãªããæŽãªãã¹ãã«ã¢ãããå³ãããšãå¯èœã§ãã
JNCIPã§ã¯ããžã¥ãããŒãããã¯ãŒã¯ã¹ã®ã«ãŒã¿ãã¹ã€ãããªã©ã®æ©åšãçšãããããã¯ãŒã¯èšèšã»æ§ç¯ã»éçšã«é¢ããæ·±ãç¥èãšå®è·µçãªã¹ãã«ãæ±ããããŸãã
ãã®è³æ ŒãååŸããããšã§ãäžïœå€§èŠæš¡ã®ãããã¯ãŒã¯ç°å¢ã§ãžã¥ãããŒãããã¯ãŒã¯ã¹ã®è£œåãé©åã«æŽ»çšããããã®ããŠããŠã蚌æããããšãã§ããŸãã
4.2 è©Šéšã®å 容ãšãã©ãŒããã
JNCIPã®è©Šéšã¯ãé«åºŠãªã«ãŒãã£ã³ã°æè¡ãšãããã³ã«ããã©ãããã©ãŒã ã®å©çšã«é¢ããåé¡ãäžå¿ã§ããå ·äœçã«ã¯ãBGPãMPLSãªã©ã®é«åºŠãªãããã¯ãŒã¯ãããã³ã«ããžã¥ãããŒè£œåã®ç¹æ§ãšæŽ»çšæ³ãªã©ãåºé¡ãããŸãã
è©Šéšåœ¢åŒã¯ãéžæè¢ããæ£è§£ãéžã¶åœ¢åŒïŒãã«ããã«ãã§ã€ã¹ïŒãå®éã®æ©åšãçšããŠå®æãè¡ã圢åŒïŒã·ãã¥ã¬ãŒã·ã§ã³ïŒãªã©ãå«ãŸããŸãã
ããããã®åºé¡ç¯å²ã«ã€ããŠãã£ãããšç解ããäºåã«é©åãªå匷ã»æºåãå¿ èŠã§ãã
4.3 äžçŽã¬ãã«ã®ã¹ãã«ã»ãã
JNCIPãååŸããã«ã¯ããããã¯ãŒã¯èšèšã»æ§ç¯ã»éçšã«ãããŠæ¬¡ã®ãããªèœåãç¥èãå¿ èŠã§ãã
é«åºŠãªãããã¯ãŒã¯æè¡ã®çè«çãªç¥èãšå®è·µçãªã¹ãã«ãããã¯BGPãMPLSãªã©ã®ãããã³ã«ã䞊ã³ã«ãžã¥ãããŒãããã¯ãŒã¯ã¹ã®è£œåãçšãããããã¯ãŒã¯ã®èšèšã»æ§ç¯ã»éçšæ¹æ³ã«ã€ããŠã®æ·±ãç解ãå«ã¿ãŸãã
ãŸãããããã®æè¡ãé©åã«é©çšããŠãå¹æçã§ä¿¡é Œæ§ã®é«ããããã¯ãŒã¯ã·ã¹ãã ãæ§ç¯ã§ããèœåãå¿ èŠã§ãã
4.4 JNCIPååŸã®å©ç¹
JNCIPãååŸãããšã以äžã®ãããªå©ç¹ããããŸãã
ãŸããèªåèªèº«ã®æè¡ã¯ãã¡ãããäŒæ¥ãçµç¹ã§ã®ä¿¡é Œæ§ã䟡å€ã倧ããåäžããŸãããã®è³æ Œãæã£ãŠãããšããäºå®ã¯ãé«åºŠãªå°éç¥èãšæè¡åã蚌æãããã®ã§ãã
ãŸãããžã¥ãããŒãããã¯ãŒã¯ã¹è£œåãçšãããããã¯ãŒã¯ç°å¢ã§åãéã«ãèªèº«ã®ããžã·ã§ã³ã匷åãããã£ãªã¢ã¢ãããå®çŸããäžã§ãéåžžã«æçšãªããŒã«ãšãªããŸãã
5. åè³æ Œã®è©Šéšè²»çšãšæå¹æé
ãžã¥ãããŒãããã¯ãŒã¯ã¹èªå®è³æ Œã¯ãããã¯ãŒã¯ãšã³ãžãã¢ã®ãã£ãªã¢ã«äžå¯æ¬ ãªã¹ããããšãªããŸããè³æ Œã«ã¯ããããåã ã®è©Šéšæãšæå¹æéããããŸããããã§ã¯ãããããã®è³æ Œã§ããJNCIAãJNCISãJNCIPã®è©Šéšæãšæå¹æéã詳ãã解説ããŸãã
èªå®è©Šéšã«åæ Œããããšã§ãããªãã®ã¹ãã«ãšç¥èã蚌æãããéçšè ããã®ä¿¡é ŒãåŸãããŸããäžèšã«ãã®è©³çŽ°ã瀺ããŸãã
ãŸããããããã®èªå®è³æ Œã¯3幎éæå¹ã§ããã®æéãçµéãããšåèªå®ãå¿ èŠã«ãªããŸããåèªå®ã®æé ã«ã€ããŠãåŸè¿°ããŸãã
5.1 JNCIAã®è©Šéšæãšæå¹æé
JNCIA (ãžã¥ãã¢ã¢ãœã·ãšã€ã)ã¯ããžã¥ãããŒãããã¯ãŒã¯ã¹èªå®è³æ Œã®æåã®ã¹ãããã§ãããåºæ¬çãªãããã¯ãŒã¯ç¥èã蚌æããŸãã
ãã¡ãã®è©Šéšæã¯çŽ1äžåãšãªã£ãŠãããåæ ŒåŸã®è³æ Œã®æå¹æéã¯3幎éã§ãã
åå¿è ã§ãååŸããããšãå¯èœã§ããžã¥ãããŒãããã¯ãŒã¯ã¹ã®è£œåã«é¢ããåºæ¬çãªç¥èãæã€ããšãèŠæ±ãããŸãã
5.2 JNCISã®è©Šéšæãšæå¹æé
次ã®ã¬ãã«ã§ããJNCIS (ãžã¥ãã¢ã¹ãã·ã£ãªã¹ã)ã¯ãäžçŽã¬ãã«ã®ãããã¯ãŒã¯ãšã³ãžãã¢ã¹ãã«ã®èšŒæã«ãªããŸãã
JNCISã®è©Šéšæã¯çŽ2äžåã§ãèªå®è³æ Œã®æå¹æéã3幎éãšãªã£ãŠããŸãã
ãã¡ãã®è³æ Œã§ã¯æŽã«æ·±ãæè¡çãªç¥èãæ±ããããå®éã®æ¥åã§äœ¿ããããããªã¹ãã«ã®è©äŸ¡ãè¡ãããŸãã
5.3 JNCIPã®è©Šéšæãšæå¹æé
JNCIP (ãžã¥ãã¢ãããã§ãã·ã§ãã«)ã¯ãäžçŽã¬ãã«ã®è³æ Œã§ãããé«åºŠãªãããã¯ãŒã¯ãšã³ãžãã¢ã®ã¹ãã«ãšç¥èãå¿ èŠãšãªããŸãã
ãã®è©Šéšæã¯çŽ3äžåã§ãæå¹æéã¯3幎éã§ãã
é«åºŠãªãããã¯ãŒã¯ã®èšèšãæ§ç¯ãéçšèœåãåããããã®ã¹ãã«ã蚌æãããŸãã
5.4 è³æ ŒæŽæ°ãšåèªå®ã®ããã»ã¹
ãã¹ãŠã®ãžã¥ãããŒãããã¯ãŒã¯ã¹èªå®è³æ Œã¯3幎éæå¹ã§ããããã®æéãçµéãããšåèªå®ãå¿ èŠãšãªããŸãã
åèªå®ã¯ãããããã®è³æ Œã¬ãã«ã«å¯Ÿå¿ããè©Šéšãå床åããããšã§è¡ãããåæ Œãããšæ°ãã«3幎éã®è³æ Œæå¹æéãäžããããŸãã
ã¹ãã«ã®ææ°æ å ±ãä¿ã€ããã«ããå®æçãªè³æ ŒæŽæ°ã¯éèŠãªããã»ã¹ãšãªããŸãã
6. ãžã¥ãããŒãããã¯ãŒã¯ã¹è³æ Œãšãã£ãªã¢ãã¹
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6.1 è³æ Œãšå°±è·ãæé²ã®å¯èœæ§
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