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1. Which output does the ActiveAnswer sizer provide?
A. MIB
B. RIS
C. BOM
D. DMS
Answer: C

2. Which feature highlights a distinctive AdvFS advantage?
A. RAID 5 support
B. extent-based file allocation
C. tuneable metadata buffer cache
D. fragment-based file allocation
Answer: B

3. Which utility displays UFS parameters?
A. dumpsys
B. dumpfs
C. dumpcdfs
D. dumpufs
Answer: B

4. Which parameter is normally associated with tuning a database server?
A. mbuf compression
B. System V message queue
C. TCP hash tables
D. size of namei cache
Answer: B

5. Which command generates system configuration information and analysis?
A. collect -f
B. sys_check
C. pmgr
D. vmstat
Answer: B

6. Which standard command, or commands, help determine if a system is CPU bound?
A. iostat and pstat
B. vmstat
C. vmstat and ps
D. showproc
Answer: C

7. Which phrase best describes a Tru64 UNIX process?
A. a user at a terminal
B. an instance of a running program
C. a collection of cooperating threads
D. the basic unit of scheduling
Answer: B

8. Which utility compiles and displays the SCSI CAM I/O device database?
A. ddr_config
B. ddrcc
C. scu
D. ddr_dbase
Answer: A

9. Which types of files are used for I/O operations? Select TWO.
A. text
B. directory
C. character special
D. block special
E. I/O special
Answer: CD

10. What is the role of swapping in Tru64 UNIX memory management?
A. to reclaim pages for reuse while the process is still active
B. to free large amounts of memory
C. to schedule a new process to run on a CPU
D. to increase the amount of physical memory available to a process
Answer: B

11. Which procedure starts system accounting?
A. nulladm the /var/adm/acct file, then issue the action command
B. nulladm the /var/adm/pacct file, then issue the startup command
C. nulladm the /var/adm/runacct file, then issue the sa command
D. nulladm the /var/adm/utmp file, then issue the runacct command
Answer: B

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The questions of E20-845 exam:

1. A customer wants to split a BCV copy of the production database once a week and then use Clones of the BCV for testing.
Which operations are required to make a Clone usable by a host?
A.Activate the Clone and split the Clone
B.Establish the Clone and split the Clone
C.Split the BCV, create the Clone, and activate the Clone
D.Establish the BCV, create the Clone, and mount the Clone
Answer: C
2. A customer is using a RAID-1 standard device that already has a paired BCV and one CopyOnAccess Clone copy.
What is the maximum number of additional CopyOnWrite Snap sessions that the customer can create on this device?
A.1
B.7
C.13
D.16
Answer: C
3. After doing a BCV split and mount on a Window’s backup host, the customer determines the data on the BCV copy is inconsistent and missing files. The customer’s script is using the SUI utility symntctl.
Which command should be used to help prevent the inconsistent BCV?
A.umask
B.flush
C.umount
D.deport
Answer: B
4. A customer wants to implement a remote site replication via SRDF.
Which tool is used to calculate the number of tracks to be replicated?
A.EMC DRU
B.EMC TimeFinder
C.EMC Change Tracker
D.EMC Symmetrix Optimizer
Answer: C
5. You are validating a remote replica configuration where a RAID-1 protected R1 device needs to be replicated remotely to a RAID-1 protected R2 device. The source R1 device already is a part of a TimeFinder concurrent BCV configuration.
What should you consider to validate the configuration?
A.The number of I/Os between R1 and BCVs
B.Whether the R2 device is being remotely replicated to a RBCV
C.The number of mirror positions available to the RDF target device
D.The number of mirror positions available to the RDF source device
Answer: D
6. A customer needs to implement a multi-hop SRDF/AR configuration.
How does the bandwidth between Symmetrix arrays impact the potential amount of data lost in case of failure?
A.Less bandwidth means more cache required
B.Less bandwidth means longer SRDF/AR cycles
C.More bandwidth means longer SRDF/AR cycles
D.More bandwidth means potential data inconsistency in case of failure
Answer: B
7. A customer is implementing SRDF/A over GigE but is having problems getting through the corporate firewall.
What are the first steps for troubleshooting?
A.Verify cache on both DMXs exactly match, and COVDs are defined on both DMXs
B.Verify the SRDF link TCP/IP port matches on each DMX, and that port is open on the firewall(s)
C.Verify the Fibre adapters are configured as SNOW resources, and COVDs are properly defined in the bin files
D.Turn off data compression on the GigE adapters, verify TCP/IP addresses on both DMXs, and verify SNOW is defined on the SRDF GigE adapters’ bin file.
Answer: B
8. A customer has had security issues in the past. To resolve them, firewalls were set up between network segments within and external to his data center environment. You are configuring the communication between the Replication Manager server and the administration console(s).
Which port must be allowed to pass through the firewalls to facilitate administration?
A.6753
B.8080
C.65431
D.65432
Answer: D

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