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NEW QUESTION 1
Which of the following is an encryption technique used in digital envelopes?
- A. Symmetric encryption algorithm
- B. Asymmetric encryption algorithm
- C. hash algorithm
- D. Stream Encryption Algorithm
Answer: B
NEW QUESTION 2
existUSGConfigure on the system firewallNAT Server, will produceserver-mapTable, which of the following is not part of this representation?
- A. PurposeIP
- B. destination port number
- C. agreement number
- D. sourceIP
Answer: D
NEW QUESTION 3
NAPTtechnology can realize a public networkIPThe address is used by multiple private network hosts
- A. True
- B. False
Answer: A
NEW QUESTION 4
in configurationGRE Tunnelinterface,DestinationThe address generally refers to which of the following parameters?
- A. localTunnelinterfaceIPaddress
- B. Local external network egressIPaddress
- C. External network egressIPaddress
- D. PeerTunnelinterfaceIPaddress
Answer: C
NEW QUESTION 5
in deploymentIPSec VPN, which of the following is the main application scenario of tunnel mode?
- A. between host and host
- B. Between the host and the security gateway
- C. between security gateways
- D. between host and server
Answer: C
NEW QUESTION 6
ASPF(Application Specific Packet Filter) is a packet filtering technology based on the application layer and is passed throughserver-mapTables implement special security mechanisms.
aboutASPFandserver-mapWhich of the following statements is correct? (multiple choice)
- A. ASPFMonitor messages during communication
- B. ASPFcan be created dynamicallyserver-mapsurface
- C. ASPFpass throughserver-mapTable implementation dynamically allows multi-channel protocol data to pass through
- D. Quintupleserver-mapThe table entry implements a similar function to the session table
Answer: ABC
NEW QUESTION 7
In the VGMP group state, if the device's own VGMP group priority is equal to the peer device's VGMP group priority, the device's VGMP group state is ( ). (answer in letters) (fill in the blank)
Solution:
load-balance
Does this meet the goal?
- A. Yes
- B. Not Mastered
Answer: A
NEW QUESTION 8
Which of the following stages has the development of information security gone through? (multiple choice)
- A. communication assurance stage
- B. Information Assurance Stage
- C. Information security stage
- D. Communication confidentiality stage
Answer: BCD
NEW QUESTION 9
Which of the following security threats is an application security threat?
- A. Man-in-the-middle attack
- B. User identity is not authenticated
- C. Viruses, Trojans
- D. network intrusion
Answer: C
NEW QUESTION 10
The preservation of electronic evidence is directly related to the legal validity of the evidence. Only when the preservation conforms to legal procedures, can its authenticity and reliability be guaranteed. Which of the following is not an evidence preservation technology?
- A. Encryption Technology
- B. digital certificate technology
- C. digital signature technology
- D. Packet Tag Tracking Technology
Answer: D
NEW QUESTION 11
IPv6 supports configuring the router authorization function on the device, verifying the identity of the peer through digital certificates, and selecting legal devices.
- A. True
- B. False
Answer: A
NEW QUESTION 12
firewallTrustClients in the domain can log inUntrustin the domainFTPserver, but the file cannot be downloaded, which of the following can solve the problem? (multiple choice)
- A. existTrustandUntrustrelease betweentwenty oneThe port number
- B. FTPWorks asportmode, modify fromTrustarriveUntrustThe zone's security policy action is Allow
- C. enabledetect ftp
- D. FTPWorks asPassivemode, modify fromTrustarriveUntrustThe zone's security policy action is Allow
Answer: CD
NEW QUESTION 13
Which of the following options belong to international organizations related to the standardization of information security? (multiple choice)
- A. International Organization for Standardization(ISO)International Organization for Standardization
- B. International Electrotechnical Commission(IEC) International Electrotechnical Commission
- C. International Telecommunication Union(ITU)ITU
- D. Wi-Fi Alliance Wi-Fialliance organization
Answer: ABC
NEW QUESTION 14
IPThe protocol in the header (protocol) field identifies the protocol used by its upper layer. Which of the following field values indicates that the upper layer protocol isUDPprotocol?
- A. 6
- B. 17
- C. 11
- D. 18
Answer: B
NEW QUESTION 15
"Implement security monitoring and management of information and information systems to prevent illegal use of information and information systems", in order to achieve which feature in information security?
- A. confidentiality
- B. controllability
- C. non-repudiation
- D. integrity
Answer: B
NEW QUESTION 16
The key used by DES encryption is bits, while the key used by 3DES encryption is bits.
- A. 56168
- B. 64168
- C. 64128
- D. 56128
Answer: D
NEW QUESTION 17
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