H13-611 HCIA-Storage V4.0 Certification Free Online Test

1. Huawei V3 series storage system hardware includes controller enclosures and disk enclosures.Which of the following statements about controller enclosures is correct?

When the external power supply fails, BBU modules provide backup power for all disks.

When the external power supply fails, BBUs can supply power to enable data synchronization from the cache to disks in disk enclosures.

If BBUs become faulty, the service system will be interrupted.

When the power input is normal, BBUs are in the standby state.

2. 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.

3. What is the main purpose of backup battery units (BBU) in storage controllers?

To maintain the power for clock synchronization.

To power the interface modules.

To provide additional power to storage controller to speed up the I/O.

To ensure that the non completed I/O is not lost during power outage.

4. 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.

5. 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.

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.

6. 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.

7. Which of the following storage devices are non volatile? (Multiple Choice)

RAM

Hard Disk

Magnetic Tape

DVD

8. IP SAN uses underlying optical networks to connect servers and storage systems.

TRUE

FALSE

9. Statement 1: NAS systems must be interconnected using fiber optic cables.
Statement 2: A network protocol is the way in which an operating system accesses a file that is on a network connected device.

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.

10. 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

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