What is a Database Management System(DBMS)?

A system that help to optimize storage and retrieval of data

What is Internet Protocol(IP) used for?

Used to transfer host-to-host traffic and for ISCSI and FCIP

What is connectivity?

Interconnection between Hosts or peripheral device(Storage)

Why is IDE/ATA not used as often anymore?

Cos SATA has replaced it and provides up to 6GB/s.

What is Application Virtualization?

Technique of running an app to a user without installing.

What is Integrated Device Electronics(IDE)/Advanced Technology Attachment(ATA) used for?

Popular interface used to connect hard disks or CD-ROM drive

What is Memory Virtualization?

A OS feature that provide more memory to the app than it has

Why are flash drives used over hard drives?

High energy efficiency and low power consumption.

What is an Application?

Software program that provide logic for computing operations

What is Compute Virtualization?

Using hardware to enable multiple OSes to run concurrently.

What is a Device Driver?

A software that enables the OS to recognize specific devices

What is Desktop Virtualization?

Technology that separates the Desktop and associated app.

Where does Virtualization layer reside in?

Between Hardware and VMs(HyperVisor)

What does the Logical Volume Manager(LVM) do?

It creates and controls host level logical storage.

What is Parallel Small Computer System Interface(SCSI)?

Used for connecting Host and Peripheral devices.

What does Fibre Channel(FC) do?

Provide serial data transfer over CopperWire or OpticalFiber

What is Serial Attached SCSI(SAS)?

Point-to-point serial protocol replacing parallel SCSI.

Which answer is incorrect about Logical Volume Manager(LVM)?

It does not require physical disks to work.

What is Fibre channel(FC)?

Protocol used for high speed communication to storage device

Which one of these is not an aspect of Memory Virtualization?

Data access from swap space is faster.

Which layer does the OS reside in?

Between the Application and Hardware (physical) layer.

What is host(compute)?

Resource that run apps with the help of computing components

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SNW Module 2

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Data Center Environment

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Questions 32

Answers

1
What is a Database Management System(DBMS)?
A system that clears cache data to allow more storage.
A system that help to optimize storage and retrieval of data
A system that retrieves data.
A system that only manages data.
2
Which one is not a reason to use Desktop Virtualization?
Simplified data backup and PC maintenance.
It saves data.
Improved data security
Provides Flexibility as it enables thin clients.
3
Which one of these is the cheapest for long term storage?
Magnetic Tape
Flash Drives
Disk Drives
Optical Discs
4
What is Internet Protocol(IP) used for?
Used to transfer host-to-host traffic and for ISCSI.
Used to transfer host-to-host traffic and for ISCSI and FCIP
Used to transfer host-to-host traffic.
Used for storage communication like ISCSI and FCIP.
5
What is connectivity?
Interconnection between a desktop and a router.
Interconnection between Hosts or peripheral device(Storage)
Interconnection between hosts.
Interconnection between peripheral devices.
6
Which one of these is not a hardware component?
OS
CPU
Memory
I/O Devices
7
Why is IDE/ATA not used as often anymore?
Cos no one has heard of it.
Cos it's absolute garbage.
ID-what?
Cos SATA has replaced it and provides up to 6GB/s.
8
Which one of these has the largest storage capacity?
Flash Drives
Optical Discs
Disk Drives
Magnetic Tapes
9
What is Application Virtualization?
Technique of watching hentai using an app to stop detection.
Technique of running an app on a VM to utilize resources.
Technique of running an app to a user without installing.
Technique of creating an app on a VM to provide Security.
10
What is Integrated Device Electronics(IDE)/Advanced Technology Attachment(ATA) used for?
Popular interface used to connect hard disks or CD-ROM drive
Popular interface used to connect memory to the machine.
Popular interface used to connect peripheral devices.
Popular interface used to connect LAN cables.
11
What is Memory Virtualization?
An OS feature that provides memory by using the CPU instead.
A OS feature that provide more memory to the app than it has
An OS feature that uses memory without hindering performance
An OS feature that provides fake memory to an app.
12
Why are flash drives used over hard drives?
It is cheaper to buy.
High energy efficiency and low power consumption.
They are smaller than Hard Drives.
Compatible with more peripheral devices.
13
What is an Application?
The action of putting something into operation.
Software program that provide logic for computing operations
Facebook, Instagram, Snapchat, Twitter, Tik Tok, etc.
The program and other operating information used by a Comp.
14
What is Compute Virtualization?
Using hardware to provide more CPUs than it has.
Using hardware to enable multiple OSes to run concurrently.
Using hardware to optimize CPU.
Using hardware to enable better performance for the machine.
15
What is a Device Driver?
A software that enables the OS to recognize specific devices
A software that plays Initial D songs on loop indefinitely.
A software that enables transferring data from Applications.
A software that is mandatory to run an OS.
16
What is Desktop Virtualization?
Technology that enables Integrity in VMs.
Technology that separates the Desktop and associated app.
Technology that allows virtualization of OSes.
Technology that makes Desktop Hardware independent.
17
Why isn't SCSI used instead of IDE/ATA?
It has a fun acronym to remember which makes it easy to hack
It has slower data transfer.
It is harder to implement in a PC environment.
It is more expensive.
18
Which one is not a key I/O characteristic of an application?
Creating/ Modifying
Read Intensive/ Write Intensive
Sequential/ Random
I/O size
19
Where does Virtualization layer reside in?
Between Hardware and Network
Between Hardware and Application
Between Hardware and data-link
Between Hardware and VMs(HyperVisor)
20
Which one of these is best used in a small environment?
Magnetic Tape
Flash Drives
Optical Discs
Disk Drives
21
What does the Logical Volume Manager(LVM) do?
It creates host level logical storage.
None of the above
It creates and controls host level logical storage.
It controls host level logical storage.
22
What is Parallel Small Computer System Interface(SCSI)?
Used for connecting Hard disks or CD-ROM drives.
Used for connecting Host devices.
Used for connecting peripheral devices.
Used for connecting Host and Peripheral devices.
23
What does Fibre Channel(FC) do?
Provides parallel data transfer over Copper Wire.
Provides serial data transfer using wireless routers.
Provide serial data transfer over CopperWire or OpticalFiber
Provides serial data transfer over Optical Fiber.
24
What is Serial Attached SCSI(SAS)?
Point-to-point serial protocol replacing IDE/ATA.
Point-to-point serial protocol replacing SAS.
Point-to-point serial protocol replacing parallel SCSI.
Point-to-point serial protocol replacing SATA.
25
Which one of these is not a software component?
File System
Power Supply
OS
Device Driver
26
Which answer is incorrect about Logical Volume Manager(LVM)?
One or more Physical volumes can form a volume group.
It does not require physical disks to work.
It converts physical view of storage into logical.
Logical volumes are created from the volume group.
27
Which one of these does Application Virtualization not provide?
Ensures integrity of Operating System and Applications.
Avoids conflicts between different applications or versions.
Allow application to be delivered in an isolated environment
Provides Volume Expansion.
28
What is Fibre channel(FC)?
Protocol used for Secure transmission of data.
Protocol used for high speed communication to storage device
Protocol used for connection between peripheral devices.
Used as cheap replacement for SCSI.
29
Which one of these is not an aspect of Memory Virtualization?
Inactive memory pages are moved from memory to swap space.
Data access from swap space is faster.
Additional memory space comes from disk storage.
Data access from swap space is slower.
30
Which one of these is not a reason to Virtualization?
It is Expensive.
Makes OS and Applications Hardware independent.
Runs >1 OS per physical machine concurrently.
Isolates VMs from each other.
31
Which layer does the OS reside in?
Between the Application and Network layer.
Between the Application and Session layer.
Between the Application and Presentation layer.
Between the Application and Hardware (physical) layer.
32
What is host(compute)?
An area in which particular plants or animals are found
A person who receives or entertains other people as guests.
Acts as host at (an event) or for (television or radio)
Resource that run apps with the help of computing components

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