Which of the following defines memory interleaving?（）A、The distribution of data written across all the memory DIMMs and the L1 cacheB、The distribution of data written across all the memory DIMMs in one bankC、The distribution of data written across all the

第1题：

Which of the following is true regarding Label Distribution Protocol （LDP）？（）

• A、It is a label distribution protocol for MPLS
• B、It is a set of procedures and messages by which LSRs establish Label Switch Paths （LSPs） through a network
• C、Tag distribution Protocol （TDP） was the basis for LDP
• D、All of the above are true

第2题：

Which  statements are true about checkpointing（）

• A、The checkpoint frequency decreases with the smaller redo log file size.
• B、It ensures that all committed data is written to the data files during normal shutdown.
• C、The frequent full checkpoint in a database can cause the overall degradation of the database performance.
• D、It prompts the Checkpoint （CKPT） process to write data to the data files and redo information to the onlineredo log files

第3题：

Which of the following are shared distribution tree characteristics？ （Choose all that apply.）（）

• A、Memory requirements are higher for shared distribution tree than for source distribution tree
• B、Creates a tree from a central RP to all last-hop routers
• C、Uses a rendezvous point
• D、An optimal path is created between each source router and each last-hop router
• E、Place （S，G） entry in each router’s multicast routing table
• F、Place （*，G） entry in a router’s multicast routing to table

第4题：

Which of the following BEST describes RAID 5？（）

• A、 RAID 5 is data striping across all drives.
• B、 RAID 5 is data striping with a dedicated parity drive.
• C、 RAID 5 is striped sets with two sets of parity striped across all drives.
• D、 RAID 5 is striped sets with parity striped across all drives.

第5题：

Some xSeries servers support 4-way memory interleaving and some support 2-way interleaving.  In both types of interleaving， the data is accessed 256 bits at a time.  How is this 256-bit data access achieved with 2-way interleaving？（）

• A、The DIMMs used for 2-way interleaving are double the width of DIMM used in 4-way interleaving.
• B、The DIMMs used for 2-way interleaving are 64-bit wide and data bits are accessed both on the rising edge and falling edge of the clock cycle.
• C、The DIMMs used for 2-way interleaving are 32-bit wide and data bits are accessed both on the rising edge and falling edge of the clock cycle.
• D、The DIMMs used for 2-way interleaving are double the width and data bits are accessed both on the rising edge and falling edge of the clock cycle.

第6题：

A customer wants to run VMWare ESX on an x445 with a large number of virtual machines running Windows 2003 Server as a Disaster Recovery （DR） Site for the production environment.  Which of the following questions would most impact the memory configuration？（）

• A、What version of VMWare ESX Server is being considered？
• B、Do the systems currently use Double Data Rate （DDR） memory？
• C、What is the total number of processors installed in the production systems？
• D、What is the total amount of memory currently being used across all the production systems？

第7题：

Which commands will list all the logical volumes and the file system distribution across a specific physical volume of the following？（）

• A、lspv -l
• B、lslv -p
• C、lsps -a
• D、lsvg -m

第8题：

Which of the following commands will list all the logical volumes and the file system distribution across a specific physical volume（）

• A、Ispv-I
• B、Islv-p
• C、Ispv-L
• D、Isvg

第9题：

Consider the following statement：   SQL> EXECUTE DBMS_STATS.GATHER_SHEMA_STATS （-  2> ownname => ‘OE’， -  3> estimate_percent => DBMS_STATS.AUTO_SAMPLE_SIZE， -  4> method opt => ‘for all columns size AUTO’）；   What is the effect of ‘for all columns size AUTO’ of the METHOD_OPT option？（）

• A、The Oracle server creates a new histogram based on existing histogram definitions for all table, column, and index statistics for the OE schema. 
• B、The Oracle server creates a histogram based on data distribution regardless of how the application uses the column/s for all table, column, and index statistics for the OE schema.
• C、The Oracle server creates a histogram based on data and application usage of the column/s for all table, column, and index statistics for the OE schema. 
• D、The Oracle server creates a histogram based on application usage, regardless of data distribution, for all table, column, and index statistics for the OE schema.

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第13题：

Which two statements correctly describe the relation between a data file and the logical databasestructures（）

• A、An extent cannot spread across data files.
• B、A segment cannot spread across data files.
• C、A data file can belong to only one tablespace.
• D、A data file can have only one segment created in it.
• E、A data block can spread across multiple data files as it can consist of multiple operating system （OS） blocks.

第14题：

Which TWO of the following are required to use the hot-swap memory feature of the x445 while being operating system independent？（）

• A、Memory Mirroring must be enabled in the BIOS.
• B、Redundant bit steering must be enabled in the BIOS.
• C、DIMMs must be the same size and speed as the DIMMs being replaced.
• D、Memory Mirroring must be enabled in the operating system.
• E、DIMMs can be of same size or larger or same speed or faster.

第15题：

Which of the following memory technologies doubles the amount of data obtained in a single memory access from 64-bits to 128-bits？（）

• A、SDRAM
• B、DDR RAM
• C、Interleaved memory
• D、Online spare memory

第16题：

A company wants to buy memory efficiently on their p5 590 to allow for the best performance. What is the best practice for adding memory for performance?（）

• A、Install more cards of smaller capacity and same size across MCMs. Use DDR2(dual data rate) memory if using HPC (High Performance Computing). 
• B、Install fewer cards of larger capacity of the same size across MCMs. Servers with one processor book must have a minimum of four memory cards installed. 
• C、Intermix DDR1 and DDR2 memory so that partitions requiring the higher performance can take advantage of them. Half of the available memory slots in the system should contain memory. 
• D、Use fewer higher density memory cards so that a few memory slots are left open for future growth. Each processor book provides sixteen memory card slots. The p5 590 supports a maximum of 64 memory cards.

第17题：

A customer is planning to migrate a financial application to a 12-way p5-570 system with 96GB of memory.  The application data is stored on an ESS Model 800 attached to a p670 server with AIX 5.2.  They will have a short outage window to perform the data migration.  What is the quickest way to move all the data stored on the attached ESS from the p670 to the new p5-570？（）

• A、Use rsync to synchronize the data across servers.
• B、Use exportvg and importvg to move the data to the target system.
• C、Use NFS to copy the data from the source system to the target system.
• D、Backup the data from the source system and restore to the target system.

第18题：

Which of the following x366 8GB memory configurations will produce the best performance？（）

• A、One memory card with four 2GB DIMMs
• B、Two memory cards with four 2GB DIMMs
• C、Two memory cards with eight 1GB DIMMs
• D、Four memory cards with eight 1GB DIMMs

第19题：

Which of the following statements applies to the x445 memory subsystem？（）

• A、With XA-32 architecture， addressing more than 64GB of RAM can be installed.
• B、The amount of memory should be balanced across ports for best performance.
• C、All DIMM slots should be populated in numerical order - slot 1 before slot 2， slot 2 before slot 3， etc.
• D、All even number DIMM slots should be populated before odd number DIMM slots.

第20题：

Which of the following features of Active Memory perform a regular check and cleanup of the status of DIMMs？（）

• A、Chipkill and Memory ProteXion
• B、Chipkill and memory mirroring
• C、Memory ProteXion and memory scrubbing
• D、Hot spare memory and memory scrubbing

第21题：

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第23题：