ccna - 考試

http://www.amazon.com/CCNA-Certified-Network-Associate-640-801/dp/0782143911/ref=cm_lmf_tit_1_rsrsrs0/103-5501072-8540645
CCNA: Cisco Certified Network Associate Study Guide, 5th Edition (640-801)



http://www.amazon.com/CCNA-Cisco-Certified-Network-Associate/dp/0782126472/ref=sr_1_1/103-5501072-8540645?ie=UTF8&s=books&qid=1180588322&sr=1-1
CCNA Cisco Certified Network Associate : Study Guide
請問這兩本哪本比較好.考試用thx

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