Exam for engine

NO.28 The following description of digital certificates, which one is wrong

NO.29 When using passive mode to establish an FTP connection, the control channel uses port 20 and the data channel uses port 21. ( )[Multiple choice]*

NO.30 As shown in the figure, nat server global202.106.1.1 inside10.10.1.1 is configured on the firewall. Which of the following is the correct configuration for interzone rules? ( )[Multiple choice]*

NO.31 Using the ___ method of the Web proxy, the virtual gateway will encrypt the real URL that the user wants to access, and can adapt to different terminal types.[fill in the blank]*

NO.32 Which of the following NAT technologies can implement a public network address to provide source address translation for multiple private network addresses ( )*

NO.33 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.

NO.34 As shown in the figure, what is the range of the AH protocol authentication range in transmission mode?

NO.35 Which layer of the protocol stack does SSL provide end-to-end encrypted transmission services?

NO.36 What is the protocol number of the GRE protocol?

NO.37 Which of the following is not the default security zone of the firewall ( )[Multiple choice]*

NO.38 Which of the following operating modes does NTP support?

NO.39 Huawei Firewall only supports the inter-domain persistent connection function for TCP packets.

NO.40 Which of the following is not an encryption algorithm in a VPN?

NO.41 The trigger authentication method for firewall access user authentication does not include which of the following? ( )[Multiple choice]*

NO.42 We should choose the encryption algorithm according to our own use characteristics. When we need to encrypt a large amount of data, it is recommended to use the ____ encryption algorithm to improve the encryption and decryption speed.[fill in the blank]*

NO.43 What is correct about the following description of device management in the operating system?

NO.44 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? ( )*

NO.45 Among the various aspects of the risk assessment of IS027001, which of the following does not belong to the system design and release process?

NO.46 As shown in the figure, the administrator needs to test the network quality of the 20.0.0/24 CIDR block to the 40.0.0/24 CIDR block on Device B, and the device needs to send large packets for a long time to test the network connectivity and stability.

NO.47 Regarding the characteristics of the routing table, which of the following items is described correctly

NO.48 Both digital envelopes and digital signatures guarantee data security and verify the origin of data.

NO.49 For which of the following parameters can the packet filtering firewall filter?