Huawei H12-711_V4.0 Exam Practice Test Instant Access

Question 1

Which of the following characteristics does a denial-of-service attack include?

AUnauthorized tampering of the mouth

BUnauthorized access to the mouth

CUnauthorized activation of the mouth

DUnauthorized destruction of the mouth

Answer : A, B, C, D

Question 2

Which of the following is the numbering range of Layer 2 ACLs?

AThe 3000~3999

BThe 4000~4999

CThe 1000~1999

D@2000~2999

Answer : A

Question 3

IKE SA is a one-way logical connection, and only one IKE SA needs to be established between two peers.

ATRUE

BFALSE

Answer : B

Question 4

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

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

BWhenever 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.

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

DIn 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.

Answer : A, B, C, D

Question 5

The keys used by the IPSec encryption and authentication algorithms can be configured manually or dynamically negotiated via the ____ protocol. (abbreviation, all uppercase).

AIKE

BIKB

Answer : A

Question 6

____- The goal is to provide a rapid, composed and effective response in emergency situations, thereby enhancing the ability of the business to recover immediately from a disruptive event.[fill in the blank]*

Abusiness continuity plan

Bbusiness continuity

Answer : A

Question 7

DES is a stream encryption algorithm, because the cipher capacity is only 56 bits, so it is not enough to deal with the weakness of insufficient security, and later 3DES was proposed.

ATRUE

BFALSE

Answer : A

Huawei HCIA-Security V4.0 H12-711_V4.0 Exam Practice Test