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WorksheetsH13-611 Joe
Total questions: 73
Worksheet time: 40mins
Which of the following are the 3 layers of components that storage systems are made up of? (Choose three.)
Storage Analysis
Storage Solution
Storage Software
Storage Hardware
The only cable type that can be used to connect disk enclosures is the mini SAS cable.
FALSE
TRUE
Which of the following is not the benefits of converged storage systems?
The same device is able to provide both block storage and file storage
Saving of rack space due to integration of equipment into one device
Converged storage system has better data protection compared to other non-converged systems
Unified management of storage resources
IP SAN uses underlying optical networks to connect servers and storage systems
TRUE
FALSE
Which of the following best describes SDN?
Decoupling of the data plane and control plane in networks
Using a software program to manage your network.
Using hardware to manage the network
The virtualization of network services to achieve better efficiency and scalability.
Storage Pools cannot be created with a single tier of disks.
FALSE
TRUE
Situation: Disk Domain A has 40 disks, Disk Domain B has 20 disks. True or False: the rebuild time for a failed disk in Disk Domain B is longer than for a failed disk
in Disk Domain A.
TRUE
FALSE
Which of the following criteria fits the definition of the Cloud? (Choose all that apply.)
On Demand Self Service
Ubiquitous Access
Shared Pool Of Configurable Resources
Massively Parallel Processing
Statement 1: Multimode optic cables are usually longer than single mode cables.
Statement 2: Sharp cable bends lead to weaker signal at the end of the cable
Both statements 1 and 2 are false
Statement 1 is true and 2 is false
Statements 1 and 2 are both true
Statement 1 is false and statement 2 is true
Which statement is true?
An extent can be as small as 512 kB and as large as 128 MB.
An extent can be 128 MB, but a grain is always 64 kB.
An extent can be as small as 64 MB and as large as 512 MB.
An extent can be as small as 512 kB and as large as 64 MB.
Statement 1: RAID 2.0+ is NOT based on traditional RAID technologies.
Statement 2: RAID 2.0+ has excellent rebuild characteristics.
Statement 1 is false and statement 2 is true.
Statement 1 is true and statement 2 is false.
Statements 1 and 2 are both true.
Both statements 1 and 2 are false.
Statement 1: A port can be listed in multiple zones.
Statement 2: A switch configuration can contain multiple zones.
Statement 1 and 2 are true.
Statement 1 is false; Statement 2 is true.
Statement 1 is true; Statement 2 is false.
Statement 1 and 2 are false.
Which of the following operating systems supports the CIFS protocol natively?
Solaris
AIX
FreeBSD
Win7
In HUAWEI OceanStor V3, which licensed feature is best described as: periodically detects hotspot data and promotes them from low-speed storage media to highspeed
media.
SmartMigration
SmartTier
SmartMove
SmartMotion
Which of the following is a valid protocol for a UNIX-based NAS server? (Choose all that apply.)
CIFS
SMB
Novell Control Protocol
NFS
Statement 1: A disk drive with a high latency performs better than a disk drive with a low latency.
Statement 2: A smaller seek time means that the disk performs better.
Statement 1 and 2 are true.
Statement 1 is true; Statement 2 is false.
Statement 1 is false; Statement 2 is true.
Statement 1 and 2 are false.
Select the correct statements that describe the properties of bus technology in ICT architecture. (Choose all that apply.)
Bus technology are only available in serial form.
Bus can be divided into internal bus and external bus
The CPU needs to go through the memory to directly access the Bus
Bus is a communication system that transfers data between internal components and external components
Data and Information are the same thing.
TRUE
FALSE
What are components of an ICT infrastructure? (Choose all that apply.)
Software
Hosts and Servers
Backup Devices
Network switches
Statement 1: Fiber optic cables must be bended with a minimum radius of 10 centimeters.
Statement 2: Bends and dirt causes the light signal to be weaker and the sensor cannot detect the light pulse then.
Statement 1 and 2 are true.
Statement 1 is true; Statement 2 is false.
Statement 1 is false; Statement 2 is true
Statement 1 and 2 are false
Which of the following is NOT a component in an IP SAN?
iSCSI storage device
Fibre Channel switch
Ethernet switch
NIC
Which of the following statements about HUAWEI OceanStor V3 SmartTier dynamic storage tiering technology is NOT true?
The SmartTier automatically and dynamically matches data from different activity levels with storage media of different characteristics
The SmartTier calculates and analyzes the activity level of data.
Data statistics, analysis, and relocation activities of the SmartTier affect service continuity and data availability.
The SmartTier data relocation activities are based on configured policies.
Select the correct statements about the structure and functions of the hard disk components. (Choose all that apply.)
Disk platter is responsible of storing data in binary form.
The disk connector is responsible of connection and rotation of the platter.
The spindle is responsible for sending commands to the disk head
The actuator is responsible of moving the Read/Write arm.
Statement 1: We have a RAID5 protected group of disks. The protection level increases if we add more disks to the group.
Statement 2: With a RAID 10 set the number of disks must be greater than 8 to always survive a dual disk failure.
Statement 1 is true and statement 2 is false.
Statements 1 and 2 are both true.
Both statements 1 and 2 are false.
Statement 1 is false and statement 2 is true.
Which of the following methods provides the best RTO?
Replication
Disk-To-Tape
Virtual Tape Library
Disk-To-Disk-To-Tape
Statement 1: If possible it is always advised to make only Full Backups.
Statement 2: LAN free backups typically run slower than LAN based backups.
Statements 1 and 2 are both true.
Both statements 1 and 2 are false.
Statement 1 is true and statement 2 is false.
Statement 1 is false and statement 2 is true.
Which of the following are correct steps in a LAN based backup job? (Choose all that apply.)
Agent on application server sends data to the backup device.
Backup server sends a “start-backup” command to the backup device.
Agent on application server sends data to backup media server.
Backup media server sends data to the backup device
Statement 1: Every time a tape is used to restore data, some data will be lost.
Statement 2: Backup strategies that use tape as backup media typically have a high RTO.
Statements 1 and 2 are true.
Statements 1 and 2 are false.
Statement 1 is false; Statement 2 is true.
Statement 1 is true; Statement 2 is false.
HyperReplication for HUAWEI OceanStor V3 can use FC links between the data centers. ISCSI links are not supported.
TRUE
FALSE
In a Red Hat Linux 5 operating system, which command is used to mount the sdb5 in the dev directory to the sdb5 in the mnt directory?
df/dev/sdb5/mnt/sdb5
in/dev/sdb5/mnt/sdb5
cat/dev/sdb5/mnt/sdb5
mount/dev/sdb5/mnt/sdb5
Which of the following cloud service model deals with providing storage, network, servers and virtualization of resources?
Infrastructure As A Service (IaaS).
Storage As A Service (STaaS).
Software As A Service (SaaS).
Platform As A Service (PaaS)
Which of the following is NOT the characteristics of the active-active mode of a storage controller?
The primary controller processes the I/O requests from application servers and the secondary controller is in the idle state.
The active-active mode achieves load balancing, full utilization of resources, and system performance improvement.
Two controllers process the I/O requests from application servers concurrently.
If a controller becomes faulty, the other takes over the work of the faulty controller without disrupting ongoing services.
Which is the correct formation order of the following elements in RAID 2.0+?
LD -> CKG -> CK -> Extent -> LUN
LD -> Extent -> CKG -> CK -> LUN
LD -> CK -> CKG -> Extent -> LUN
LUN -> CK -> CKG -> Extent -> LD
Which is NOT the limitation of DAS, compared with SAN?
Large investment
Poor scalability
Difficult resource sharing
Decentralized management
Which statement is true about RAID 2.0+?
RAID 2.0+ has a higher RAID overhead than traditional RAID types.
Chunks belonging to a file will never be written on the same physical disk
RAID 2.0+ allows for a complete enclosure to fail without causing data loss
With RAID 2.0+ it is supported to select no hot spare disks
It is a hard-disk failure that occurs when a read-write head of a hard disk drive comes in contact with its rotating platter, resulting in permanent and usually
irreparable damage to the magnetic media on the platter surface. Which of the following fits the above description?
Electrical Failure.
Bad Sector.
Bad Platter Area.
Head Crash.
Which are characteristics of the HUAWEI OceanStor V3 hardware? (Choose all that apply.)
SAN and NAS convergence
SSD and HDD convergence
No need for heterogeneous convergence anymore
Primary and Backup convergence
Which of the following statements are NOT true? (Choose all that apply.)
Both the CIFS as well as the NFS protocol requires file format conversion.
One disadvantage of CIFS is that Windows clients must be equipped with dedicated software.
NFS is a stateless protocol while CIFS is a stateful protocol. NFS can be automatically recovered from a fault while CIFS cannot.
CIFS is a network-based sharing protocol. It has high demands on network transmission reliability, so it usually uses TCP/IP.
Which of the following items is NOT mandatory in a Fibre Channel SAN? (Choose all that apply.)
Windows operating system
Storage device
Fibre Channel switch
Fibre Channel HBA
Storage controllers can be separated from the chassis of disk enclosures. It does not need to be integrated in design with the disk enclosures.
TRUE
FALSE
Statement 1: a snapshot of a ThinLUN at creation does not occupy storage capacity. The snapshot of a ThickLUN at creation immediately occupies storage
capacity.
Statement 2: When a snapshot of a ThickLUN exists, there is always space available to store changes to the original data.
Statements 1 and 2 are both true.
Statement 1 is true and statement 2 is false.
Statement 1 is false and statement 2 is true.
Both statements 1 and 2 are false.
Statement 1: The higher the number used to indicate the RAID level, the higher the overhead.
Statement 2: RAID 10 stripes the data, then mirrors the stripe set.
Statements 1 and 2 are both true
Statement 1 is true and statement 2 is false.
Statement 1 is false and statement 2 is true
Both statements 1 and 2 are false.
When a RAID configuration is in a degraded state it means that no data has been lost yet.
FALSE
TRUE
In a clustered NAS architecture, which of the following allows multiple file system to be consolidated and does not need to be managed separately?
Global Cache.
Global Concurrency.
Global Namespace.
Global Sharing.
What are the advantages of SSDs over HDDs? (Choose all that apply.)
Better environmental adaptability.
Larger capacity
Faster read/write speed for random access
Longer service life
Which of the following are advantages of NAS storage systems over file servers? (Choose all that apply.)
High data security
Diverse services and powerful functions
Large storage space
High stability and reliability
A customer needs zoning configured in a Fibre Channel switch. The customer frequently changes the patch points in the infrastructure. What zoning method is
preferred then?
Port zoning because it is more flexible when it comes to changing patch points.
Soft zoning because it is more flexible when it comes to changing patch points.
Zoning is not required in a FC SAN.
Port zoning and Soft zoning should always be used together.
What is best described as: the time it takes for the desired data to be beneath the read head when the head is on the correct track?
Rotational latency
Seek time
Rotational speed
Throughput
For all operating systems there is a specific version of Huawei UltraPath multipathing software.
FALSE
TRUE
Select the correct statements that describe the properties of Distributed Storage Architecture. (Choose all that apply.)
The storage nodes are non centralized
Non concurrent I/O access
The storage nodes are centralized.
Concurrent I/O access
In storage systems, what does throughput refer to?
Amount of signals that can be sent or received by processors in a period of time.
Amount of calculations that can be processed in a period of time.
Amount of data that can be received and written to the storage medium in a period of time.
Amount of data that can be transmitted and received over network in a period of time.
A backup set is a group of data that is backed up in a batch. A backup set can be used for either full backup or incremental backup.
TRUE
FALSE
Which of the following is not a component of a backup system?
Backup policy
Backup media
Backup server
Backup software
Incremental backup requires the last full backup and each incremental backup to fully restore data. Data reconstruction is therefore slower compared with full
backups.
FALSE
TRUE
In a good Disaster Recovery Plan there are no single points of failure, not even with any single person.
FALSE
TRUE
To enable a Windows-based host to use the resources provided by a HUAWEI OceanStor V3 series storage device, perform the following operations:
1. Create a Disk Domain and a storage pool.
2. Create a host group and host.
3. Create a LUN group and LUN.
4. Configure an initiator on server and on storage device.
5. Connect the server to the storage device.
6. Format the logical disk.
7. Install the initiator software on server.
8. Mapping.
Place the steps in the proper order.
7 -> 5 -> 1 -> 3 -> 2 -> 4 -> 8 -> 6
2 -> 3 -> 1 -> 4 -> 8 -> 7 -> 5 -> 6
2 -> 3 -> 1 -> 4 -> 5 -> 6 -> 7 -> 8
1 -> 2 -> 3 -> 4 -> 5 -> 6 -> 7 -> 8
What is not a deciding parameter for Information LifeCycle Management?
The amount of data.
The format in which the data must be kept.
How long data should be kept.
What to do with data that is no longer required.
Storage array is a network device used to switching network signals or data. It can provide a dedicated communication channel between any 2 nodes in the network that is connected.
FALSE
TRUE
Each organization independently determines which data should be stored and for how long.
FALSE
TRUE
Which of the following is not a port type defined by Fibre Channel?
E-Port
F-Port
NL-Port
G-Port
The maintenance network port is used, by the DeviceManager, for daily management.
FALSE
TRUE
Application program interface (API) is a set of routines, protocols, and tools for building software applications.
FALSE
TRUE
Which of the following statements about the differences between DAS and SAN is incorrect?
SAN uses the Fibre Channel or iSCSI protocol and therefore offers better scalability.
DAS applies to small and medium LANs that have general storage capacity requirements and only a small number of servers.
DAS and SAN are both external storage and can achieve storage resource sharing easily.
SAN applies to mid-range and high-end storage application environments such as key databases, centralized storage, mass storage, backup, and disaster
recovery.
A user is having intermittent problems connecting to their shared network storage. A network technician is able to determine that there is a problem within the network cabling in between the workstation and the switch. All other users are able to connect successfully to the network. Which of the following is the MOST likely
cause?
Cable is not connected at the patch panel.
Cable has been cut somewhere within the wall.
Patch cable is a crossover cable instead of straight-through.
Crosstalk and interference are occurring.
Which of the following is the common physical size division of the surface of the hard disk? (Choose all that apply.)
Partition.
Sector.
Cylinder.
Track.
In HUAWEI OceanStor V3, what statement is true about SmartThin LUNs?
Space will be reclaimed in all Windows operating systems when data is deleted in the OS.
A Thin LUN cannot be converted into a Thick LUN.
SmartThin must be enabled on all LUNs of a storage pool.
SmartThin LUNs consume just a little storage capacity at the time they are created.
Which module is not in the disk enclosure of a storage device?
Power module
Expansion module
BBU module
Fan module
About HUAWEI OceanStor V3, the following 2 statements:
Statement 1: With the SmartTier feature the SSD disks are in the Performance Tier.
Statement 2: No more than 3 tiers can exist in the OceanStor V3 storage arrays.
Statement 1 is true; Statement 2 is false.
Statement 1 and 2 are true.
Statement 1 and 2 are false.
Statement 1 is false; Statement 2 is true.
CIFS can be run on UDP as well as on TCP.
FALSE
TRUE
Which of the following storage devices are non volatile? (Choose all that apply.)
Hard Disk
RAM
Magnetic Tape
DVD
The recovery point objective (RPO) is used to identify how much time lies between two backups.
FALSE
TRUE
Which of the following is NOT true for a tape library?
Backup software will allow multiple backup jobs to run simultaneously.
Can be a disk based Virtual tape library.
Should be in the same datacenter as the production data for easy restores.
Ideally allows remote connections using FC and/or iSCSI.
A differential backup holds all changes that were made since the last successful full backup.
TRUE
FALSE
