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質問 # 70
Which of the following is not the certificate save file format supported by the USG6000 series?
- A. PKCS#12
- B. DER
- C. PEM
- D. PKCS#
正解：D
質問 # 71
Which of the following is not in the quintuple range?
- A. Destination port
- B. Source MAC
- C. Source IP
- D. Destination IP
正解：B
質問 # 72
Which description about disconnect the TCP connection 4 times-handshake is wrong?
- A. when passive close receipt the first FIN. it will send back an ACK, and randomly generated to confirm the serial number
- B. passive closing party end need to send a file to the application, theapplication will close it connection and lead to send a FIN
- C. initiative to shut down the sender first FIN active closed, while theother received this FIN perform passive shut down
- D. in passive close the sender after the FIN. initiative to close must send back a confirmation, and will confirm the serial number is set to receive serial number 1
正解：A
質問 # 73
Firewall update signature database and Virus database online through security service center, requires the firewall can connect to the Internet first, and then need to configure the correct DNS addresses.
- A. FALSE
- B. TRUE
正解：B
質問 # 74
Except built-in Portal authentication, firewall also supports custom Portal authentication, when using a custom Portalauthentication, no need to deploy a separate external Portal sever.
- A. False
- B. True
正解：A
質問 # 75
Which of the following are correct regarding the matching conditions of the security policy? (Multiple choice)
- A. "Time period"in the matching condition is an optional parameter
- B. "Service" is an optional parameter in the matching condition
- C. "Apply" in the matching condition is an optional parameter
- D. 'The source security zone' is an optional parameter in the matehing condition.
正解：A、B、C、D
質問 # 76
Regarding SSL VPNtechnology, which of the following options is wrong?
- A. SSL VPN technology can be perfectly applied to NAT traversal scenarios
- B. SSL VPN technology encryption only takes effect on the application layer
- C. SSL VPN requires a dial-up client
- D. SSL VPN technology extends the network scope of the enterprise
正解：C
質問 # 77
Which of the following behaviors is relatively safer when connecting to Wi-Fi in public places?
- A. Connect unencrypted free Wi-Fi for online shopping
- B. Connect to the paid Wi-Fi hotspot provided by the operator and only browse the web
- C. Connect encrypted freeWi-Fi for online transfer operations
- D. Connect Wi-Fi hotspots that are not encrypted
正解：B
質問 # 78
Which of the following mechanisms are used in the MAC flooding attack? (Multiple choice)
- A. ARP learningmechanism
- B. MAC learning mechanism of the switch
- C. Number of MAC entries is limited
- D. forwarding mechanism of the switch
正解：A、B、C、D
質問 # 79
Which of the following are the versions of the SNMP protocol? (Multiple choice)
- A. SNMPv3
- B. SNMPv2b
- C. SNMPv2c
- D. SNMPv1
正解：A、C、D
質問 # 80
Regarding the relationship and role of VRRP/VGMP/HRP, which of the following statements are correct? (Multiple choice)
- A. VGMP group in the active state may include the VRRP group in the standby state.
- B. VGMP is responsible for monitoring equipment failures and controlling fast switching of equipment.
- C. HRP is responsible for data backup during hot standby operation.
- D. VRRP is responsible for sending free ARP to direct traffic to the new primary device during active/standby switchover.
正解：B、C、D
質問 # 81
In SSL handshake protocol, what is the role of Server Key Exchange message?
- A. it contains an X.509 certificate in server key exchange message, the public key is contained in the certificate, which is issued to the client to verify signatures or to encrypt messages when key exchange
- B. server key exchange message indicates that the server has finished sending all the information
- C. in the server key exchange message, it contains set of parameters required for completing key exchange
- D. in the server key exchange message, it contains the negotiated CipherSuite which is copied to the state of the current connection
正解：C
質問 # 82
Which of thefollowing 3re the versions of the SNMP protocol? (Multiple choice)
- A. SNMPv3
- B. SNMPv2b
- C. SNMPvl
- D. SNMPv2c
正解：A、C、D
質問 # 83
Manual auditing is asupplement to tool evaluation. It does not require any software to be installed on the target system being evaluated, and has no effect on the operation and status of the target system. Which of the following options does not include manual auditing?
- A. Manual inspection of the administrator's operation of the equipment process
- B. Manual inspection of the database
- C. Manual inspection of network equipment
- D. Manual detection of the host operating system
正解：A
質問 # 84
Some applications, such as Oracle database application, there is no data transfer for a long time, so that firewall session connection is interrupted, thus resulting in service interruption, which of the following technology can solve this problem?
- A. Configure default session aging time
- B. Optimization of packet filtering rules
- C. Configure a long business connection
- D. Turn fragment cache
正解：C
質問 # 85
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