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Total 120 questions
A customer has upgraded his NS700 to NAS 5.4 code and would like to implement backup to disk with RAID 3 on his new ATA drive shelf. He will use the user defined template option. Which method will the system use to bind the LUNs?
- A. 8+1 4+1 1 LUN on SPA and 1 lun on SPB
- B. 4+1 8+1 1 LUN on SPB and 2 luns on SPA
- C. 4+1 4+1 3+1 2 LUNs on SPA and 1 lun on SPB
- D. 4+1 8+1 2 LUNs on SPA and 4 luns on SPB
Answer : B
You are using SRDF to migrate all Celerra Volumes from a Symmetrix 8830 to a new DMX
2000. Which NAS database files require changing to recognize the volumes on the new
DMX 2000?
- A. /nas/volume/disks; /nas/server/slot_x/netd; /nas/volumes; /nas/volume/storage
- B. /nas/volume/disks; /nas/server/slot_x/volume; /nas/volumes; /nas/volume/filesys
- C. /etc/hosts; /nas/server/slot_x/camdisk; /nas/volume/disks; /nas/server/slot_x/netd
- D. /nas/server/slot_x/camdisk; /nas/volume/disks; /nas/volume/symms; /nas/site/cshosts
Answer : D
A customer complains of slow performance with fs_copy and fs_replicate. Analysis of tcpdump shows very high retransmission rate. Param RCP tcpwindow is currently set to default. Round trip latency is about 3ms. The customer wants about 5MB/sec throughput.
What would be the most probable tcpwindow size to use to improve performance?
- A. 16K
- B. 32K
- C. 64K
- D. 128K
Answer : A
Your NS704G customer is using the default CLARiiON "prefetch multiplier" and "segment multiplier" settings. In most all cases, what will be the size of the prefetched data for the
Celerra?
- A. 16KB
- B. 32KB
- C. 64KB
- D. 128KB
Answer : B
Your customer has experienced network problems on his remote IP replication using
Celerra Replicator on NAS code 5.4. The customer changes the interface of the replication session and uses a dedicated network. Which steps are needed?
- A. Abort replication and setup replication using the new interface
- B. Suspend replication and restart replication using the interface option
- C. Use Celerra Manager and change the interface using the properties tab of the replication session
- D. Use fs_replicate -refresh <fs_name1> -o if=interface to start the creation of a new delta set and update the interface
Answer : B
You configured a Fail-Safe Network (FSN) using two devices connected to two different switches.
What is an important issue to confirm with the customer's switch configuration?
- A. If these are Cisco switches, the portfast capability must be disabled for each of the ports of the FSN
- B. All the switch ports of the FSN must be configured to immediately switch from forwarding mode to blocking mode and pass through spanning tree states
- C. All the switch ports of the FSN must be configured to immediately switch from blocking mode to forwarding mode and not pass through spanning tree states
- D. All the switch ports of the FSN must be configured to immediately switch from forwarding mode to blocking mode and not pass through spanning tree states
Answer : C
Click the Exhibit button.
SRT - Service Response Time - time it takes the server to send the reply
Your customer is experiencing poor performance when accessing data from the Celerra
CIFS shares.
What conclusion can be made given the Ethereal capture shown?
- A. Average SRT for read is too high
- B. Average SRT for writes is too high
- C. Maximum SRT for writes is too low
- D. Minimum of write SRT is not acceptable
Answer : B
Click the Exhibit button.
Which type of data would be backed-up using a CIFS network backup?
- A. stub files
- B. file content
- C. metadata of stub files
- D. stub files and file content
Answer : A
Click the Exhibit button.
You are doing a Celerra SRDF Restore using nas_rdf command on R2 site. SRDF is
Active/Passive.
Check the exhibit to see the message you receive on your console.
Which command does the script then tell you to run from the Remote site?
- A. /nas/sbin/nas_rdf -restore
- B. /nasmcd/bin/nas_rdf -restore
- C. /nasmcd/sbin/nas_rdf -restore
- D. /nas/bin/server_standby ALL -restore rdf
Answer : C
Which WWN listed would be correct for a NS704G?
- A. FCP HBA 0: FC-AL ALPA 000001 Node 5006016080600149 Port 5006016000600149
- B. FCP HBA 1: FC-AL ALPA 000001 Node 5006016080600149 Port 5006016900600149
- C. FCP HBA 0: 96_PORT S_ID 6a1c13 Node 50060160906016f8 Port 50060168106016f8
- D. FCP HBA 0: N_PORT S_ID 6a1213 Node 5006016090602d0b Port 5006016810602d0b
Answer : D
Click the Exhibit button.
What is the minimum number of file systems required to support the VTLU in the diagram?
- A. 1
- B. 2
- C. 4
- D. 32
Answer : A
The customer states that their windows clients are experiencing poor performance when viewing properties of a Celerra network drive. Which stats would you look for in the server_cifsstat command?
- A. QFsInfo
- B. QFileInfo
- C. TreeDisco
- D. CloseTreeDisco
Answer : A
Your customer is concerned that the memory requirements for SnapSure and Celerra
Replication on the same Celerra may affect the performance characteristics of other
Celerra applications. The customer is planning to checkpoint and replicate the following filesystems.
For planning purposes (on the Primary Celerra only), you estimate that the SavVol sizes will be 10% of the filesystem size.
Estimate the amount of memory that will be required on the Celerra for SnapSure and
Celerra Replicator.
Planning one checkpoint for each of the following filesystems
PFS1 - 50GB -
PFS2 - 220GB -
PFS3 - 157GB -
Planning replication of the following filesystems to a remote Celerra
Replicate1 - 135GB Replicate2 - 76GB
- A. 42.7MB
- B. 63.8MB
- C. 427BM
- D. 638MB
Answer : B
Click the Exhibit button.
Your customer is using the File Retention Capable Filesystem (CWORM) in NAS Code 5.4.
He is connecting to a SUN client. The Storage Administrator detects the file "filename" has a wrong expiration date.
Which statement is true?
- A. File is not yet in a CWORM state and can be deleted at any time by the System Administrator
- B. File was never committed to a CWORM state and the date can be changed at any time using the touch at command
- C. File was migrated from a Windows OS system with emcopy. The date stamp shows the file has already expired and can only be deleted
- D. File was committed to a CWORM state with the default expiration time (infinite) and can be changed once using the 'touch -at' command
Answer : D
The Backup Administrator is attempting to restore files to a file system managed by hard quotas. However, the quota limit is exceeded and the files are not restored. What must the
Backup Administrator do to recover the files?
- A. Add a soft quota limit, and restore files
- B. Increase the quota limit and restore the files
- C. Extend the file system and restore the file system
- D. Create a new file system, increase the quota limit and restore the files
Answer : B