To set a maximum transfer rate for all transfers leaving a source (primary) system, you need to
see:
A - options replication.throttle.enable on
B - options replication.throttle.enable on and options replication.throttle.outgoing.max_<kbs
value>
C - options replication.throttle.enable off and options replicationthrottle incoming .max_<kbs
value>
D - snapmirror off; options replication .throttle.outgoing.max <kbs value>; options snapmirror on
Answer: B
Which one of the following steps is incorrect for the Semi-Synchronous Snapmirror data flow?
A - Writes come in and are written to the source filer’s NVRAM.
B - Write is acknowledged after waiting on the outstanding interval time to expire - depending on
the outstanding interval this will be limited how out of sync the two sites are.
C - NVlog blocks are transferred to the destination filer’s NVRAM.
D - The destination filer responds with an ACK.
Answer: B
What is an RPO in the context of disaster recovery?
A - Recovery Point Objective
B - Risk Profile Objective
C - Retrieval Point Outsourced
D - Runs Per Over
Answer: A
A customer wants to dynamically adjust the SnapMirror transfer rate. They issue a snapmirror
throttle command on the source system. What happens?
A - Nothing. The snapmirror throttle command needs to be issued on the destination storage
system
B - The changed transfer rate will only apply to the current transfer. The next scheduled transfer
will use the maximum transfer rate that is specified in the /etc/snapmirror.conf file
C - The changed transfer rate will apply to all future transfers until you change it back using
another snapmirror throttle command
D - The current transfer immediately applies the new value
Answer: B
You have been asked to setup a SnapMirror transfer from an existing volume at the primary site
to a secondary system 320Km (200Miles) away. The volume currently has 7Th data, but it has
very low change and growth rates, so the available link between the sites of 1Mbit/sec is
considered acceptable for the updates. Which one of these methods is not suitable to achieve the
initial (baseline) transfer:
A - Transfer the data across the link, but ensure that transfers only take place during out of office
hours
B - Use SnapMirror to transfer the data to a volume on other disk shelves in the primary filer, and
then move the disk shelves to the secondary site by road
C - Use SnapMirror to transfer the data to a volume on disk shelves in another filer at the primary
site, and then move the disk shelves to the secondary site by road
D - Create tapes using SnapMirror and ship these to the remote destination by FedEx. The data
can then be read back onto the secondary system
Answer: A
When deciding if Synchronous mirroring is possible between two sites, which of these metrics
would you use to get the most accurate value?
A - Measure the distance between the sites on a map
B - Measure the length of cable/fibre connecting the two sites
C - Measure the transfer rate of asynchronous SnapMirror between the sites
D - Measure the round trip time for packets sent between the sites
Answer: D
A customer has a 128Kb link out to a remote office. They would like to speed the baseline
transfer for their volume SnapMirror. Which one of the following approach is the best one?
A - LREP to a portable device (e.g. tape)
B - Increase the TCP window size
C - Increase the number of drives in the root volume
D - SnapMirror to tape
Answer: D
Which one of the following requirements would lead you to consider using Qtree SnapMirror for
your replication?
A - The secondary system should have the same snapshot schedule as the primary system
B - You wish to keep a longer retention of snapshots on your secondary to your primary system
C - You wish to have the option to use synchronous SnapMirror for the replication
D - You want snapshots triggered by different applications to get automatically transferred by a
default SnapMirror update
Answer: B
You have been asked to analyze the DR requirement for 30TByte of data with a change rate of
about 7% per week. The organization has all their processing and storage capacity at a single
location, though they do have two computer rooms that are physically separate. You have been
asked to base you recommendation on the organizations SLA of:
An RPO of 1 hour in the event of a single computer room outage.
An RTO of 1 hour in the event of a single computer room outage.
There must be an archive copy of all data taken each week, to be kept for 7 years.
Which solution would you recommend?
A - Asynchronously mirror from a FAS3020 in one computer room to a second FAS3020 in the
other computer room. Weekly NDMP backup of the data to tape for offsite storage
B - Asynchronously mirror from a FAS3020 in one computer room to a second FAS3020 in the
other computer room which asynchronously mirrors to a third FAS3020 at an ofisite location
C - Place storage on a FAS3020cluster with weekly full NDMP backups and daily incremental
NDMP backups. All tapes will be sent to offsite storage
D - Use SnapVault to backup a FAS3020 in one computer room to a second FAS3020 using ATA
disk in the second computer room. One SnapVault backup each week would be kept as the
archive. The latest SnapVault backup would be used in a DR situation
Answer: A
A customer wants to convert an existing FAS 3050HA to a MetroCluster configuration with
distance of 3000m. Which one of the following statements is true?
A. This is not possible
B - The cluster interconnect card must be changed
C - No hardware changes are required
D - Add a license for multistore
Answer: B
Your customer would like a robust replication mechanism to enable them to protect against any
data loss. They are concerned about performance impact, and would like to consider the most
efficient solution to meet that RPO objective. What solution would you suggest is the best fit for
them?
A - Synchronous SnapMirror
B - VFM
C - MultiStore
D - MetroCluster
Answer: D
To set a maximum transfer rate for all transfers leaving a source (primary) system, you need tosee:A - options replication.throttle.enable onB - options replication.throttle.enable on and options replication.throttle.outgoing.max_<kbsvalue>C - options replication.throttle.enable off and options replicationthrottle incoming .max_<kbsvalue>D - snapmirror off; options replication .throttle.outgoing.max <kbs value>; options snapmirror onAnswer: BWhich one of the following steps is incorrect for the Semi-Synchronous Snapmirror data flow?A - Writes come in and are written to the source filer’s NVRAM.B - Write is acknowledged after waiting on the outstanding interval time to expire - depending onthe outstanding interval this will be limited how out of sync the two sites are.C - NVlog blocks are transferred to the destination filer’s NVRAM.D - The destination filer responds with an ACK.Answer: BWhat is an RPO in the context of disaster recovery?A - Recovery Point ObjectiveB - Risk Profile ObjectiveC - Retrieval Point OutsourcedD - Runs Per OverAnswer: AA customer wants to dynamically adjust the SnapMirror transfer rate. They issue a snapmirrorthrottle command on the source system. What happens?A - Nothing. The snapmirror throttle command needs to be issued on the destination storagesystemB - The changed transfer rate will only apply to the current transfer. The next scheduled transferwill use the maximum transfer rate that is specified in the /etc/snapmirror.conf fileC - The changed transfer rate will apply to all future transfers until you change it back usinganother snapmirror throttle commandD - The current transfer immediately applies the new valueAnswer: BYou have been asked to setup a SnapMirror transfer from an existing volume at the primary siteto a secondary system 320Km (200Miles) away. The volume currently has 7Th data, but it hasvery low change and growth rates, so the available link between the sites of 1Mbit/sec isconsidered acceptable for the updates. Which one of these methods is not suitable to achieve theinitial (baseline) transfer:A - Transfer the data across the link, but ensure that transfers only take place during out of officehoursB - Use SnapMirror to transfer the data to a volume on other disk shelves in the primary filer, andthen move the disk shelves to the secondary site by roadC - Use SnapMirror to transfer the data to a volume on disk shelves in another filer at the primarysite, and then move the disk shelves to the secondary site by roadD - Create tapes using SnapMirror and ship these to the remote destination by FedEx. The datacan then be read back onto the secondary systemAnswer: AWhen deciding if Synchronous mirroring is possible between two sites, which of these metricswould you use to get the most accurate value?A - Measure the distance between the sites on a mapB - Measure the length of cable/fibre connecting the two sitesC - Measure the transfer rate of asynchronous SnapMirror between the sitesD - Measure the round trip time for packets sent between the sitesAnswer: DA customer has a 128Kb link out to a remote office. They would like to speed the baselinetransfer for their volume SnapMirror. Which one of the following approach is the best one?A - LREP to a portable device (e.g. tape)B - Increase the TCP window sizeC - Increase the number of drives in the root volumeD - SnapMirror to tapeAnswer: DWhich one of the following requirements would lead you to consider using Qtree SnapMirror foryour replication?A - The secondary system should have the same snapshot schedule as the primary systemB - You wish to keep a longer retention of snapshots on your secondary to your primary systemC - You wish to have the option to use synchronous SnapMirror for the replicationD - You want snapshots triggered by different applications to get automatically transferred by adefault SnapMirror updateAnswer: BYou have been asked to analyze the DR requirement for 30TByte of data with a change rate ofabout 7% per week. The organization has all their processing and storage capacity at a singlelocation, though they do have two computer rooms that are physically separate. You have beenasked to base you recommendation on the organizations SLA of:An RPO of 1 hour in the event of a single computer room outage.An RTO of 1 hour in the event of a single computer room outage.There must be an archive copy of all data taken each week, to be kept for 7 years.Which solution would you recommend?A - Asynchronously mirror from a FAS3020 in one computer room to a second FAS3020 in theother computer room. Weekly NDMP backup of the data to tape for offsite storageB - Asynchronously mirror from a FAS3020 in one computer room to a second FAS3020 in theother computer room which asynchronously mirrors to a third FAS3020 at an ofisite locationC - Place storage on a FAS3020cluster with weekly full NDMP backups and daily incrementalNDMP backups. All tapes will be sent to offsite storageD - Use SnapVault to backup a FAS3020 in one computer room to a second FAS3020 using ATAdisk in the second computer room. One SnapVault backup each week would be kept as thearchive. The latest SnapVault backup would be used in a DR situationAnswer: AA customer wants to convert an existing FAS 3050HA to a MetroCluster configuration withdistance of 3000m. Which one of the following statements is true?A. This is not possibleB - The cluster interconnect card must be changedC - No hardware changes are requiredD - Add a license for multistoreAnswer: BYour customer would like a robust replication mechanism to enable them to protect against anydata loss. They are concerned about performance impact, and would like to consider the mostefficient solution to meet that RPO objective. What solution would you suggest is the best fit forthem?A - Synchronous SnapMirrorB - VFMC - MultiStoreD - MetroClusterAnswer: D
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