WorksheetsHCIA Storage CertKingdom 1-100
Total questions: 98
Worksheet time: 49mins
Multimode optic cables are usually longer than single mode cables. Sharp cable bends lead to weaker signal at the end of the cable.
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.
Match the correct functionalities together: (1) IaaS (2) Hybrid (3) SaaS (a) Combination of public and private (b) Applications are hosted externally (c) Hardware is outsourced.
1-a; 2-b; 3-c
1-b; 2-c; 3-a
1-c; 2-a; 3-b
1-b; 2-a; 3-c
Which of the following items is NOT mandatory in a Fibre Channel SAN?
Storage device
Fibre Channel switch
Fibre Channel HBA
Windows operating system
Application program interface (API) is a set of routines, protocols, and tools for building software applications.
TRUE
FALSE
Statement 1: A company should know what the Cost Of Downtime is to determine the backup strategy. Statement 2: For the business continuity it is not important to determine the RTO.
Statement 1 and Statement 2 are both True.
Statement 1 is True; Statement 2 is False.
Statement 1 is False; Statement 2 is True.
Statement 1 and Statement 2 are both False.
Which of the following methods provides the best RTO?
Disk-To-Tape
Disk-To-Disk-To-Tape
Replication
Virtual Tape Library
Depending on the amount of data to be backed up, which of the types are actual backup methods?
Real-time backup
Full backup
Incremental backup
Differential backup
The recovery point objective (RPO) is used to identify how much time lies between two backups.
TRUE
FALSE
Select the correct statements that describes Mean Time Between Failure(MTBF).
MTBF can accurately pinpoint the time of failures of the hard disks.
The higher the MTBF, the hard disk will have shorter lifespan expectancy.
MTBF is used to measure the reliability of hard disks.
MTBF is the predicted elapsed time between inherent failures of hard 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 Platter Area.
Bad Sector.
Head Crash.
Statement 1: An ICT infrastructure should be built with high end equipment and be located in one site. Statement 2: A server is a rackmounted enterprise version of a desktop computer and typically has more than one hard disk installed.
Statement 1 and Statement 2 are both True.
Statement 1 is True; Statement 2 is False.
Statement 1 is False; Statement 2 is True.
Statement 1 and Statement 2 are both False.
Connecting an OceanStor 5300 V3 to three disk enclosures requires.......... SAS cables.
3
6
9
12
Which of the following statements about LAN-based backup is incorrect?
Instruction flows are transmitted over the LAN whereas data flows are not.
The backup agent affects the performance of application servers.
Backup data is based on LANs, affecting network performance.
Backup jobs must be separately maintained, complicating management and maintenance.
Each organization independently determines which data should be stored and for how long.
TRUE
FALSE
Clustered NAS can provide concurrent multi-node access of data to hosts.
TRUE
FALSE
Which of the following statements are characteristics of pre-copy technology?
Migrates data from a suspected faulty disk to a hot spare disk immediately after the error count of the suspected faulty disk exceeds the preset threshold.
Reduces the occurrence of reconstruction.
Improves system reliability.
Reduces system performance.
Many companies gather so much data that they cannot extract the right information from the data.
TRUE
FALSE
Using SmartThin gives extra responsibility for the SAN administrator because there is a risk of overprovisioning storage capacity.
TRUE
FALSE
It is the interconnection via the Internet of computing devices embedded in everyday objects, which enables them to send and receive data. Which of the following fits the statement above?
Cloud.
Big Data.
Social Media.
Internet Of Things.
Statement 1: Everytime 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.
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 are existing Solid State Disk types?
DLC
eMLC
TLC
SLC
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 statements about Disaster Recovery is NOT true?
Some data loss must be accepted.
After a disaster access to the data, on the remote site, can be immediate.
Applications to work with the recovered data is in place.
There are still traditional backup strategies in place.
In HUAWEI OceanStor, for synchronous replication to be successful, all host applications must be pauzed during the replication update process.
TRUE
FALSE
Because they are cheap and still have a large capacity we can say that cMLC Solid State Disks are ideal for storing MP3 files and JPGs at home.
TRUE
FALSE
Which of the following statements about RAID 6 is incorrect?
Frequently used RAID 6 technologies include RAID 6 P+Q and RAID 6 DP.
RAID 6 requires two-level parity.
RAID 6 requires at least three member disks.
RAID 6 can recover data after two member disks fail.
What are the advantages of SSDs over HDDs?
Larger capacity
Faster read/write speed for random access
Better environmental adaptability
Longer service life
After the UltraPath is installed on an application server, its operating system can automatically identify the disks mapped from a storage device without being restarted.
TRUE
FALSE
Which of the following is a valid protocol for a UNIX-based NAS server?
CIFS
NFS
SMB
Novell Control Protocol
Which of the following is NOT a benefit of cloud datacenters?
Mainframe servers improve performance.
Virtualization technology improves resource utilization.
Distributed computing and storage improve reliability.
Unified resource management improves efficiency.
Which of the following is the correct procedure for configuring a HUAWEI OceanStor storage system?
Creating a Storage pool -> Creating a LUN -> Adding a mapping.
Creating a Storage pool -> Adding a mapping -> Creating a LUN.
Creating a LUN -> Creating a Storage pool -> Adding a mapping.
Creating a LUN -> Adding a mapping -> Creating a Storage pool.
Based on the understanding of the Generation stage of the lifecycle management of information and data, identify the 3 types of sources in which data can be generated.
External System Generation.
Internal System Generation.
External Input.
Internal Input.
Which of the following statements are true for a NAS solution?
Cable length is around 10 m.
Block size is configurable.
CIFS and NFS are both commonly used protocols.
NAS clients are connected to the NAS server using Ethernet switches.
Which of the following are the supported data storage architecture of modern storage array?
File Storage,
Object Storage,
Block Storage.
Fusion Storage.
Which of the following is an example of unstructured data?
Images
SQL Databases
NoSQL Databases
Video
What is Network Functions Virtualization(NFV)?
Decoupling of the data plane and control plane in networks.
Decoupling of network functions from hardware.
Decoupling of services from software.
Decoupling of network functions from virtualization.
Which of the following disk interface technologies use serial interface technology?
ATA
SATA
sas
IDE
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.
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
Port zoning and Soft zoning should always be used together.
Zoning is not required in a FC SAN.
Which are characteristics of the HUAWEI OceanStor hardware?
SAN and NAS convergence
SSD and HDD convergence
No need for heterogeneous convergence anymore
Primary and Backup convergence
A traditional RAID 10 set always has an even number of disks.
TRUE
FALSE
Which of the following is not involved in the SCSI Protocol Addressing?
Host ID.
BUS ID.
Device ID.
LUN ID.
You need to manually set free disks as hot spare disks in a HUAWEI OceanStor storage system when you use RAID 2.0+.
TRUE
FALSE
Which device allows segregation of collision domains but not broadcasting domains?
L2 Switches
L3 Switches
Router
Hub
In a SCSI connection, it is responsible to send SCSI commands to the target. Which of the following fits the above description.
Target.
Initiator.
LUN.
Storage.
Government regulations can sometimes mean that when data must be destroyed it means that the physical media must be destroyed.
TRUE
FALSE
It is common practice to create an extra copy of a backup tape that holds important data.
TRUE
FALSE
Which of the following statements about RAID technology are correct?
Disks are striped for storing data blocks, shortening the mechanical seek time and accelerating data access.
Several disks in an array are accessed simultaneously (parallel access), shortening the mechanical seek time and accelerating data access.
Current RAID technology only uses the parity check mechanism to protect data.
Performance of all RAID levels increases with the number of member disks.
Which command is used to query the version of a Red Hat Linux 5 operating system?
show version
find version
cat version
uname -a
Which module is not in the disk enclosure of a storage device?
Fan module
Power module
Expansion module
BBU module
What is NOT a parameter used to identify a hard disk?
Block size
Bandwidth
Rotations per minute
Latency
Which of the following statements about storage file systems is incorrect?
NAS file systems include CIFS and NFS.
NAS file systems allow multiple servers running different operating systems to share files stored on public storage media.
CIFS provides a way for NAS storage devices to share files in the UNIX environment.
NFS provides a way for NAS storage devices to share files in the Linux environment.
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?
cat /dev/sdb5 /mnt/sdb5
In/dev/sdb5/mnt/sdb5
mount /dev/sdb5 /mnt/sdb5
df/dev/sdb5/mnt/sdb5
Which of the following are the 3 layers of components that storage systems are made up of?
Storage Analysis
Storage Solution
Storage Software
Storage Hardware
What is the main purpose of hot swapping technology in disk enclosures?
To swap out the hard disks after proper shutdown of storage system
To swap out the hard disks without turning off the storage system.
To be able to swap out the disks when the temperature is too hot.
Maintain the temperature of the disks to prevent overheating.
About HUAWEI OceanStor, 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 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.
Storage controllers are only connected to disk enclosures within the SAN network.
TRUE
FALSE
What is typical for a DAS solution?
More scaleable in capacity than a SAN solution
Consists of a server/host with its locally connected disk drives
Sharing of files between DAS solutions is possible via the network.
Backups are centrally made on a special backup server.
It is a device which manages the physical disk drives and presents them to the users as logical units. Which of the following device fits the above description?
Host.
Storage NIC.
Storage Controller.
Storage Cache.
Which of the following device fits the above description?
Host.
Storage NIC.
Storage Controller.
Storage Cache.
Which of the following storage devices are non volatile?
RAM
Hard Disk
Magnetic Tape
DVD
HUAWEI OceanStor SmartTier can be used to position files to be on specific disk drive types.
TRUE
FALSE
Data is the record that reflects the attributes of objective things and is the physical manifestation of information,
TRUE
FALSE
What is included in every backup job?
Cost of Downtime.
Retention period.
Application that uses the data.
Backup type (full, incremental, differential).
Select the correct statements that describes the properties of Distributed Storage Architecture.
The storage nodes are centralized.
The storage nodes are non centralized.
Concurrent I/O access.
Non concurrent I/O access.
Which of the following are correct steps in a LAN based backup job?
Agent on application server sends data to the backup device.
Agent on application server sends data to backup media server,
Backup media server sends data to the backup device.
Backup server sends a 'start-backup' command to the backup device.
In HUAWEI OceanStor, which of the following statements about mapping a snapshot is true?
Mapped snapshots are always Read-Only.
Snapshots optionally can be mapped to multiple hosts.
Snapshots can only be mapped to a the same host the original LUN was mapped to.
All of the answers are true
Which of the following file system is most suitable for the storage of Big Data?
NTFS
EXT4
HDFS
BTRFS
In HUAWEI OceanStor, which of the following are characteristics of virtual snapshot LUN?
Virtual snapshot is based on the pointers specified in a mapping table.
A snapshot LUN cannot be mapped to hosts,
A full data replication is unnecessary.
Data is located using a mapping table.
Which of the following statements is incorrect?
A logical volume can reside on multiple physical disks. Data storage can be physically discontinuous.
A volume group is built on physical volumes. A volume group can contain one physical volume group or multiple physical volumes.
Physical volumes reside on the lowest layer in the logical volume manager. Logical volumes and volume groups are dependent on physical volumes.
Multiple volume groups can be created on the space of a logical volume.
When does data become information?
When it has been stored in the right file format.
When it has been stored in a digital form.
When the company understands the data and learns from it
AH of the above.
Which of the following is NOT a port name in Fibre Channel.
FL_Port
E_Port
TX_Port
U_Port
You are tasked to setup a SAN storage system that has the following requirements: (1) To minimize the workload on server resources. (2) Optimize the capabilities on storage system for deduplication. Select the following options that fits the scenario above.
Use NIC instead of HBA cards to minimize the host resource consumption during I/O operations.
Offload the storage processing tasks to the server to optimize the data deduplication.
Usage of TCP/IP offload engine technology to do processing on HBA cards on the server to minimize the usage of server resources.
Adding hardware acceleration module to the storage system to optimize the performance of data deduplication.
Which of the following statements about the coffer disks of the HUAWEI V3 series storage systems are correct?
Coffer disks store cache data to prevent data loss after a power failure.
BBUs supply power to cache and coffer disks in the event of unexpected power failure.
Coffer disks cannot be used to save service data.
The first 2 disks in a controller enclosure are coffer disks.
ICT is a technological field that combines information technology and communication technology.
TRUE
FALSE
CIFS can be run on UDP as well as on TCP
TRUE
FALSE
In HUAWEI OceanStor, for synchronous replication to be successful, all host applications must be pauzed during the replication update process.
TRUE
FALSE
Select the statements that are correct about the functions of network devices.
Routers do not separate the network into different broadcast domains.
Routers do not forward the broadcast frames in the network,
LAN switches place each port into a separate collision domain.
Hubs allow the separation of collision domains.
When determining hard disk performance, which of the following are relevant.
Rotational speed,
Seek time,
Transfer time.
Transfer rate.
An intelligent backup strategy involves multiple backup policies on the same production data i.e, with different retention periods and different schedules.
TRUE
FALSE
A SAN always uses the same technology to connect to the infrastructure as a NAS.
TRUE
FALSE
Storage Pools cannot be created with a single tier of disks.
TRUE
FALSE
Host is a computing system consisting of hard drives or file system that can provide data access and storage.
TRUE
FALSE
Which of the following is the end that receives and processes the SCSI commands?
LUN.
Storage.
Target.
Initiator.
Dual-switch networking is widely applied in Fibre Channel SANs. Which of the following are its characteristics?
Two Fibre Channel switches are deployed in a SAN for connecting to the two controllers of a storage device.
Per host two fibre channel ports should be available. The two Fibre Channel ports connect to two Fibre Channel switches.
The ports on the two Fibre Channel switches connecting to the hosts and storage device must reside in the same zone.
As multiple paths exist, the dual switch networking mode supports link redundancy but does not support load balancing.
Which of the following is a valid iSCSI name that can be used to set up the iSCSI connection between the initiator and target?
iqn.1998-01.com.huawei.:namel
iqn. 1998-01. com. huawei.iscshnamel
eui.l2345678ABC
eui.0123456789ABCDEF
Given this scenario. A company wants replication of data between two data centers that are 2000 km apart. Which replication method is most recommended?
Asynchronous
Synchronous
Both Asynchronous and Synchronous will work.
Synchronous but ONLY if the link is a high speed 8 Gb/s fiber optical connection.
Which of the following would best describe a virus?
When an employee goes against the company's ICY code of practice e.g. leaving workstation logged on.
A piece of malicious code that is written by programmers and is used to corrupt data and systems.
When individuals or organizations break the law through using computers illegally access a computer system.
Misuse of information provided by ICT systems for personal or malicious intentions.
Multipathing software is only needed in SAN solutions with just a single switch.
TRUE
FALSE
In high end storage systems, what is the main function of the service processor?
To manage the I/O commands and complete disk operations.
To process the network service.
To maintain the interconnection of disk drives within the enclosures.
To optimize the speed of I/O operations.
A differential backup holds all changes that were made since the last successful full backup.
TRUE
FALSE
In which stage of the lifecycle management of information and data, does the data management operation such as copying and backup occurs?
Generation.
Transmission.
Maintenance.
Usage.
Match the operating system with the protocol. The operating systems include:1.Windows 2.Linux 3.Apple OSX; The protocols incude: A-NFS B - CIFS C - SMB
1-A; 2-C; 3-A.
1 - B+C; 2 - A ; 3 - A .
1 - A+D; 2 - A+B; 3 - A .
1 - C ; 2 - A+D; 3 - A.
Huawei OceanStor series storage system hardware includes controller enclosures and disk enclosures. Which of the following statements about controller enclosures are correct?
When the external power supply fails, BBU modules provide backup power for all disks
If BBUs become faulty, the service system will be interrupted
When the external power supply fails, BBUs can supply power to enable data synchronization
from the cache to disks in disk enclosures
When the power input is normal, BBUs are in the standby state
This device acts a multiport repeater, blindly regenerating and repeating any incoming electrical
signal out all other ports, even ignoring CSMA/CD rules. Which of the following device fits the
description?
L2 Switches
L3 Switches
Router
Hub
In a RAID 5 group comprised of three disks, if 10110110 and 11010011 are written to the same stripe
on the two data disks, respectively, 01100101 is calculated using the XOR function and then written
to the parity disk.
If no data migration plan is set, with SmartTier enabled, there will be no data movement at al between tiers.
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
