Registering for the Oracle Database 11g: Administration I (1z0-052日本語版) exam costs $245 USD (varies by country/region), and you need 60-66% (varies by exam version) to pass. One detail worth remembering: a failed attempt is not discounted — retaking the exam means paying $245 USD (varies by country/region) again in full. Use the Lead2Passed test engine to benchmark yourself first; when your mock results consistently clear 60-66% (varies by exam version), you are ready to book.

The 1z0-052日本語 exam is Oracle's official test for the Oracle Database Administrator Certified Associate (OCA) credential, a certification at the Associate level. Earning it tells employers your skills have been verified by the vendor itself, which carries real weight in hiring and promotion decisions. Within the same certification track, it sits alongside Oracle Database 11g: SQL Fundamentals I (1Z0-051), Oracle Database Administrator Certified Professional (OCP), so it can also serve as a stepping stone toward those credentials.

Oracle divides the Oracle Database 11g: Administration I (1z0-052日本語版) exam into 6 domains. The largest ones are Network Administration, Backup and Recovery, Monitoring and Performance — together these account for the bulk of your score, so start there. The complete domain-by-domain outline appears in the exam topics section above on this page.

Two layers of protection here. First, delivery: your 1z0-052日本語 product is available for instant download, and a copy lands in your email within one minute of payment — if 2 hours pass with nothing (check spam first), our support team will resend it. There is no cap on how many computers you can install it on. Second, the refund policy: if you take the 1z0-052日本語 exam within 60 days of purchase and fail, you may claim a full refund. The claim needs a scanned enrollment slip plus your official Score Report PDF, filed within 2 days after the exam, and it is settled within 7 days. The policy covers only the corresponding exam — attempts within 3 days of purchase, exams never actually taken, free materials, and expired orders are excluded, and the candidate's name must match the payer's. If you would rather keep studying, you can instead exchange your product for two free exam products of equal value and keep the update service on your original purchase.

You will face Approx. 75-85 (commonly 77) questions in 120 minutes on the Oracle Database 11g: Administration I (1z0-052日本語版) exam. Do the math and the per-question budget is tight, which is why pacing drills matter as much as content review. Our advice: take two or three full timed mocks in the Lead2Passed engine before the real thing, and practice skipping a stubborn question instead of burning five minutes on it.

Yes — Oracle lists these official training options for Oracle Database 11g: Administration I (1z0-052日本語版) candidates:

• Oracle University Training

Formal training teaches the syllabus; then the 285 practice questions from Lead2Passed show you whether that knowledge holds up under real exam conditions.

Of course. Lead2Passed publishes a free PDF demo for the Oracle Database 11g: Administration I (1z0-052日本語版) exam so you can review real sample questions and answers first. Every purchase also includes 365 days of free updates, and after that period you can renew the update service at a 50% discount directly from your member zone.

Recommended: Oracle Database 11g: SQL Fundamentals I (1Z0-051) for OCA certification track Eligibility rules are set by Oracle and do change from time to time, so double-check the latest requirements on the official exam page at https://education.oracle.com before you register.

Registration for the 1z0-052日本語 exam runs through these official channels:

• Oracle Certification Portal
• Pearson VUE Oracle Exams