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

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Total 91 questions

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

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

The following description of asymmetric encryption algorithms, which item is wrong?

A.

Compared with symmetric encryption algorithms, the security factor is higher.

B.

Encryption is faster than symmetric encryption algorithms.

C.

Public keys are generally disclosed to users.

D.

Asymmetric encryption algorithms are a pair of keys, divided into public and private keys.

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.

When the Layer 2 switch receives a unicast frame and the MAC address table entry of the switch is empty, the switch discards the unicast frame.

A.

TRUE

B.

FALSE

During the process of establishing IPSec VPN between peers FW_A and FW_B, two types of security associations need to be established in two stages. In the first stage, _____ is established to verify the identity of the peers.[fill in the blank]*

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

The trigger authentication method for firewall access user authentication does not include which of the following? ( )[Multiple choice]*

A.

MPLS VPN

B.

SSL VPN

C.

IPSec VPN

D.

L2TP VPN

For which of the following parameters can the packet filtering firewall filter?

A.

Port packet payload

B.

IP address of the port source destination

C.

The MAC address of the source destination

D.

Port number and protocol number of the port source

Please match the following information security risks to information security incidents one by one.[fill in the blank]*

physical security riskEnterprise server permissions are loosely set

Information Security Management RiskInfected Panda Burning Incense

Information Access RiskFire destroyed equipment in computer room

application riskTalk to people about leaking company secrets