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Huawei H12-711 - Questions & Answers

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Question 1
Single choice

The following description of digital certificates, which one is wrong

A.

The simplest certificate consists of a public key, a name, and a digital signature from a certificate authority.

B.

Digital certificates contain the owner's public key and related identity information.

C.

In general, the key of a digital certificate has an expiration date.

D.

Digital certificates do not solve the problem of digital signature technology where the public key cannot be determined to be the designated owner.

Question 2
Single choice

Which of the following attack methods is to construct special SQL statements and submit sensitive information to exploit program vulnerabilities

A.

Buffer overflow attack

B.

SQL injection attacks

C.

Worm attack

D.

Phishing attacks

Question 3
Single choice

WAF can accurately control and manage users' online behavior and user traffic.

A.

TRUE

B.

FALSE

Question 4
Multiple choice

An enterprise wants to build a server system and requires the following functions:

1. The enterprise needs to have its own dedicated mailbox, and the sending and receiving of emails needs
to go through the enterprise's server;
2. The server must provide file transfer and access services. Users in different departments of the enterprise provide accounts with different permissions:
3. When the enterprise accesses the internal webpage of the enterprise, the enterprise can directly enter the domain name in the browser to access.

To meet the above requirements, which of the following servers do enterprises need to deploy? ( )*

A.

Time synchronization server

B.

FTP server (I)

C.

DNS server

D.

Mail server

Question 5
Single choice

Which of the following NAT technologies can implement a public network address to provide source address translation for multiple private network addresses ( )*

A.

NAPT

B.

NAT Server

C.

Easy-ip

D.

NAT No-PAT

Question 6
Single choice

What is the security level of the Untrust zone in Huawei firewalls?

A.

10

B.

20

C.

5

D.

15

Question 7
Single choice

SSL VPN is a VPN technology that realizes remote secure access through SSL protocol.

Which of the following software must be installed when using SSL VPN?

A.

Browser

B.

Firewall

C.

Client

D.

Antivirus

Question 8
Single choice

Which of the following is not the default security zone of the firewall ( )[Multiple choice]*

A.

untrust trust

B.

trust zone

C.

dmz zone

D.

isp zone)

Question 9
Single choice

Compared with the software architecture of C/S, B/S does not need to install a browser, and users are more flexible and convenient to use.

A.

TRUE

B.

FALSE

Question 10
Multiple choice

What is correct about the following description of device management in the operating system?

A.

The main task of port device management is to complete the I/O requests made by users and classify I/
O devices for users.

B.

Whenever a process makes an I/O request to the system, as long as it is secure, the device allocator will assign the device to the process according to a certain policy.

C.

Device management can virtualize a physical device into multiple logical devices through virtualization technology, providing multiple user processes to use.

D.

In order to alleviate the problem of speed mismatch between CPU and I/O devices and improve the parallelism of CPU and I/O devices, in modern operating systems, almost all I/O devices are exchanging numbers with processors Buffers are used at all times.

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