Database, Security, and CDN Services (Network 2 Final exams)

Question 1

collection of files that contain data organized using a given model

Answer 1

Database

Question 2

Contains a set of background processes and memory structures

database

Answer 2

Instance

Question 3

organizes data using a relational mode

Types of Database

Answer 3

relational database

Question 4

Data is stored in?

relational database

Answer 4

rows and columns

Question 5

refers to a non-relational data storage system not compliant with ACID properties

types of database

Answer 5

non-relational database

Question 6

ACID stands for

ACID

Answer 6

atomicity, consistency, isolation, and durability

Question 7

guarantee that series of database operations in an atomic transaction will either all occur or none will occur

ACID

Answer 7

atomicity

Question 8

transaction will not violate integrity constraints placed on the data by the database rules

ACID

Answer 8

consistency

Question 9

concurrent transactions are executed sequentially

ACID

Answer 9

isolation

Question 10

it will remain in the system even in the event of a system failure.

ACID

Answer 10

durability

Question 11

open-source database designed for small and medium enterprises to achieve the ultimate in cost-effectiveness

HUAWEI CLOUD Database Services

Huawei-developed database that meets the high reliability and performance requirements of governments and enterprises.

Answer 11

GaussDB

Question 12

object-relational database management system (ORDBMS)

HUAWEI CLOUD Database Services

Answer 12

PostgreSQL

Question 13

refers to non-relational databases

HUAWEI CLOUD Database Services

Answer 13

NoSQL

Question 14

works with the RDS service to remove a single node’s dependency on hardware

HUAWEI CLOUD Database Services

Answer 14

Distributed Database Middleware (DDM)

Question 15

stable, secure, and efficient cloud service for online database migration and real-time database synchronization

HUAWEI CLOUD Database Services

Answer 15

Data Replication Service (DRS)

Question 16

enables you to manage DB instances on a web-based console

HUAWEI CLOUD Database Services

Answer 16

Data Admin Service (DAS)

Question 17

It works with the Linux, Apache, and Perl/PHP/Python to establish a LAMP model for efficient web solutions.

HUAWEI CLOUD Database Services

reliable, secure, scalable, inexpensive, and easy to manage.

Answer 17

RDS for MySQL

Question 18

open-source object-relational database management system that focuses on extensibility and standards compliance. It is known as the most advanced open-source database available.

HUAWEI CLOUD Database Services

Answer 18

RDS for PostgreSQL

Question 19

compatible with MongoDB, is a secure, high availability (HA) database service that is reliable, scalable, and easy to use. It provides functions such as one-click deployment, elastic capacity expansion, disaster recovery, backup, restoration, monitoring, and alarm reporting

Answer 19

Document Database Service (DDS)

Question 20

recommended for service systems that require both high availability and scalability

Deployment Modes

Answer 20

cluster

Question 21

instance suits small- and medium-sized service systems that require high availability

Deployment Modes

Answer 21

Replica set

Question 22

useful for R&D, testing, and non-core data storage of
enterprises

Deployment Modes

Answer 22

Single node

Question 23

developed to address different aspects of information security.

Answer 23

Security Services

Question 24

identify and manage the assets on your servers, eliminate risks, and defend against intrusions and web page tampering.

Security Services

Answer 24

Host Security Service (HSS)

Question 25

**keeps web services stable and secure** | Security Services ## Footnote keeps web services stable and secure. It examines all HTTP and HTTPS requests to detect and block the following attacks: Structured Query Language (SQL) injection, cross-site scripting (XSS), web shells, command and code injections

Answer 25

Web Application Firewall (WAF)

Question 26

**cloud data encryption service.** | Security Services ## Footnote It consists of the following services: Key Management Service (KMS), Cloud Secret Management Service (CSMS), Key Pair Service (KPS), and Dedicated Hardware Security Module (Dedicated HSM).

Answer 26

Data Encryption Workshop (DEW)

Question 27

secure, reliable, and easy-to-use service for **managing your keys on the cloud** | Data Encryption Workshop (DEW)

Answer 27

Key Management Service (KMS)

Question 28

a secure, reliable, and easy-to-use secret hosting service | Data Encryption Workshop (DEW)

Answer 28

Cloud Service Management Service (CSMS)

Question 29

easy-to-use cloud service designed to manage and **protect your SSH key pairs** | Data Encryption Workshop (DEW)

Answer 29

Key Pair Service (KPS)

Question 30

enables data encryption on the cloud, specifically, encrypting and decrypting data | Data Encryption Workshop (DEW)

Answer 30

Dedicated Hardware Security Module

Question 31

provides permissions management to help you securely control access to your cloud services and resources | Security Services

Answer 31

Identity and Access Management (IAM)

Question 32

you can use your account to create IAM users for the team members or applications and grant them permissions required to complete specific tasks. | Identity and Access Management (IAM) ## Footnote The IAM users use their own usernames and passwords to log in to Huawei Cloud and access resources in your account.

Answer 32

Fine-grained access control for Huawei Cloud resources

Question 33

If you purchase multiple Huawei Cloud resources, you can delegate another account to manage some of your resources for efficient O&M. | Identity and Access Management (IAM)

Answer 33

Cross-account resource access delegation

Question 34

If your enterprise has an identity system, you can create an **identity provider (IdP) in IAM to provide single sign-on (SSO) access** to Huawei Cloud for employees in your enterprise. | Identity and Access Management (IAM)

Answer 34

Federated access to Huawei Cloud with existing enterprise accounts

Question 35

a smart virtual network on the Internet infrastructure

Answer 35

Content Delivery Network (CDN)