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BSIT - 4 > Network 2 (Cloud Computing Technologies) > Flashcards

Network 2 (Cloud Computing Technologies) Flashcards

1
Q

provide the computing power required for running services such as websites, office software, and data analysis

A

Compute services

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2
Q

provide resource connectivity and isolation, such as data center networks and campus networks

A

Network services

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3
Q

features high performance and low latency, meeting different high I/O service requirements

Storage Services

  1. Block storage
  2. File Storage
  3. Object Storage
A

Block Storage

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4
Q

allows file sharing among multiple servers or enterprise departments.

Storage Services

  1. Block storage
  2. File Storage
  3. Object Storage
A

File Storage

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5
Q

features a flat, easy scale-out architecture, which is suitable for cloud storage. It is mainly used for massive data storage, cold data backup, and software repository.

Storage Services

  1. Block storage
  2. File Storage
  3. Object Storage
A

Object Storage

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6
Q

The virtualization technology refers to the process of creating multiple VMs that share the hardware resources of a physical server.

A

Virtualization

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7
Q

Main Features of Virtualization

A
  • Partitioning
  • Isolation
  • Encapsulation
  • Independence
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8
Q

It is also called virtualization software or VM monitor.

A

Hypervisor

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9
Q

It’s the computing and control core of a computer system, which processes information and executes programs

Computing Resources Around Us

A

Central Processing Unit (CPU)

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10
Q

It’s an important component of a computer system. It is used to store CPU computing data and exchange data between memory and external storage (such as hard disks).

Computing Resources Around Us

A

Memory

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11
Q

a microprocessor that performs image computation on PCs, workstations, game consoles, and mobile terminal devices such as tablets and smartphones.

Computing Resources Around Us

A

Graphics Processing Unit (GPU)

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12
Q

a lightweight, portable technology for application packaging. It is a standard unit that packages an application’s code and all its dependencies, enabling the application to run across different computing environments.

A

Container

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13
Q

Difference Between Containers and VMs

A
  • Containers and VMs have similar advantages in resource isolation and allocation but different functions because containers virtualize OSs instead of hardware. Containers are more portable and efficient.
  • There is no virtualization layer in the container architecture. Therefore, containerization is called lightweight virtualization. Applications running in containers have better performance than those in VMs.
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14
Q

It’s dedicated to running a specific service and usually contains only the resources required for running the service. Many widely used images are tens of MB or less in size.

Difference Between Containers and VMs

A

Container Image

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15
Q

It offers the operating environment (including the OS kernel) required by common processes and provides a complete collection of functions. The minimum size of a VM image is hundreds of MB.

Difference Between Containers and VMs

A

VM Image

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16
Q

a high-performance, high-reliability service through which enterprises can manage containerized applications.

HUAWEI CLOUD Container Services

  1. Coud Container Engine (CCE)
  2. Cloud Container Instance (CCI)
  3. SoftWare Repository for Container (SWR)
A

Cloud Container Engine (CCE)

17
Q

a serverless container engine that allows users to run containers without creating or managing server clusters

HUAWEI CLOUD Container Services

  1. Coud Container Engine (CCE)
  2. Cloud Container Instance (CCI)
  3. SoftWare Repository for Container (SWR)
A

Cloud Container Instance (CCI)

18
Q

allows users to easily manage the full lifecycle of container images and facilitates secure deployment of images for your applications.

HUAWEI CLOUD Container Services

  1. Coud Container Engine (CCE)
  2. Cloud Container Instance (CCI)
  3. SoftWare Repository for Container (SWR)
A

SoftWare Repository for Container (SWR)

19
Q

bridge devices and VMs and allow them to communicate with each other

Network

20
Q

The communication between two devices is like that between people. The unicast, like one person talking to another, refers to the information that is sent and received between two nodes.

Basic Concepts of Conventional Networks

  1. Broadcast and unicast
  2. Router
  3. Default Gateway
  4. Virtual Local Area Network (VLAN)
A

Broadcast and unicast

21
Q

A hardware device that connects two or more networks. It works as agateway to read the address of each data packet and decide how to forward it.

Basic Concepts of Conventional Networks

  1. Broadcast and unicast
  2. Router
  3. Default Gateway
  4. Virtual Local Area Network (VLAN)
22
Q

a device that connects a subnet to an external network. When a device sends information to a host, a subnet mask determines whether the destination host is on the local subnet according to the destination address.

Basic Concepts of Conventional Networks

  1. Broadcast and unicast
  2. Router
  3. Default Gateway
  4. Virtual Local Area Network (VLAN)
A

Default gateway

23
Q

group of logical devices and users, which are organized based on functions, departments, and applications, regardless of their physical locations.

Basic Concepts of Conventional Networks

  1. Broadcast and unicast
  2. Router
  3. Default Gateway
  4. Virtual Local Area Network (VLAN)
A

Virtual Local Area Network (VLAN)

24
Q

a gateway device that operates on the third layer of the OSI Model, the network layer. It stores and forwards packets between different networks and routes data from one subnet to another.

Network

25
Q

It’s any technology – including devices and materials – used to place, keep and retrieve electronic data

26
Q

a file-sharing protocol between UNIX operating systems. It commonly applies to Linux clients

File Storage

  1. Network File System (NFS)
  2. Common Internet File System (CIFS)
A

Network File System (NFS)

27
Q

It’s a protocol that allows programs to access files on remote computers over the Internet. It mainly applies to Windows clients.

File Storage

  1. Network File System (NFS)
  2. Common Internet File System (CIFS)
A

Common Internet File System (CIFS)

28
Q

large-scale data management capability, which is its biggest advantage over file storage.

A

Object Storage

29
Q

connects an external storage device to an application server through the SCSI or FC interface, making the storage device part of the server.

Enterprise Storage

  1. Direct Attached Storage (DAS)
  2. Network Attached Storage (NAS)
  3. Storage Area Network (SAN)
A

Direct Attached Storage (DAS)

30
Q

storage systems virtualize the available storage resources across all hosts of an enterprise to a virtual storage device

A

Distributed Storage

31
Q

provides persistent block storage for ECSs and BMSs

HUAWEI CLOUD Storage Services

  1. Elastic Volume Service (EVS)
  2. Scalable File Service (SFS)
  3. Object Storage Service (OBS)
A

Elastic Volume Service (EVS)

32
Q

network attached storage (NAS) service that provides scalable, high performance file storage.

HUAWEI CLOUD Storage Services

  1. Elastic Volume Service (EVS)
  2. Scalable File Service (SFS)
  3. Object Storage Service (OBS)
A

Scalable File Service (SFS)

33
Q

provides a stable, secure cloud storage that is scalable, efficient, and easy to use.

HUAWEI CLOUD Storage Services

  1. Elastic Volume Service (EVS)
  2. Scalable File Service (SFS)
  3. Object Storage Service (OBS)
A

Object Storage Service (OBS)

BSIT - 4 (5 decks)

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