Oracle 1z0-485 問題集

質問 1：
Which two statements describe correct network configuration for Exadata Database Machine?
A. Database servers are deployed with three logical network interfaces configured: management, client access, and private.
B. Database connections to the SCAN listener route through the Ethernet switch in the Exadata rack.
C. The InfiniBand network interfaces on Linux servers are configured using active-passive bonding.
D. Oracle Clusterware communication is configured to use the management network.
E. The InfiniBand network subnet manager runs on all database servers to achieve High Availability.
正解：A,C

質問 2：
Consider the following software changes that are performed manually on a Linux server:
1.Changes for Linux kernel firewall configuration
2.Changes for custom performance monitoring tools
3.Changes for security scan tools
4.Changes for Linux system performance optimization
Which of the software changes listed are permitted on Exadata Storage Servers?
A. 1, 2, 3, and 4
B. only 1 and 2
C. only 3 '
D. none
E. only 2
F. only 2 and 3
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 3：
Exadata Database Machine offers an Intelligent Platform Management Interface for the various components in the Exadata product. Which option is true?
A. IPMI commands can be executed by using SNMP traps.
B. IPMI can be used to remotely log in to the operating system.
C. IPMI settings can be secured by backing up the Oracle Linux installation on the storage system.
D. IPMI can be used to remotely start and stop servers.
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 4：
What are two impacts of selecting high redundancy over normal redundancy for your diskgroups?
A. Normal redundancy provides HA during rolling Storage Server patching.
B. High redundancy provides more usable storage.
C. High redundancy provides High Availability (HA) during disk failure and rolling Storage Server patching
D. Normal redundancy provides more usable storage.
E. High redundancy gives you better I/O performance.
正解：C,D

質問 5：
Which two migration will result in the least down time for a physical or logical migration of a database with active users during the migration?
A. using cross-platform transportable tablespaces
B. using Data Guard Physical Standby
C. using GoldenGate
D. using incremental cross-platform RMAN restore
E. using SQL Developer migration tools
正解：C,D
解説: (Topexam メンバーにのみ表示されます)

質問 6：
Which three statements accurately describe update of software on Exadata Database Machine?
A. Rolling patching is faster than non-rolling patching, but database down time is longer.
B. Storage server updates require access to an Unbreakable Linux Network (ULN) based repository.
C. The database server operating system software (other than kernel and OFED) may be installed or updated from non-Exadata sources
D. The Oracle Database software on Exadata is updated using standard OPatch and the Oracle Universal Installer.
E. Running Exadata with different storage server software versions is supported, but should be minimized to rolling patching scenarios.
F. The Oracle Database patchset software (for example, 11.2.0.3) requires the Exadata-specific version.
正解：B,D,E
解説: (Topexam メンバーにのみ表示されます)

質問 7：
Your customer has purchased their brand new Exadata Database Machine X3-2 Full rack to achieve 20-TB-per-hour backups on their 300 TB database.

You have been called to determine why they are not able to achieve even half that rate. Use the information in the image below to identify two reasons their backups are still slow.
A. The number of tape drives is causing a bottleneck.
B. The Media Server to Tape Library transfer is causing a bottleneck.
C. The number of database servers is causing a bottleneck.
D. Exadata backups are being performed using RMAN over the 10 Gigabit Ethernet network.
E. LVM snapshots are not configured properly on the Database Server.
正解：A,B
解説: (Topexam メンバーにのみ表示されます)