H12-223 Free Study Guide! with New Update 165 Exam Questions
Get up-to-date Real Exam Questions for H12-223 UPDATED [2022]
NEW QUESTION 24
Which of the following statements regarding border security optimization are true? (Multiple Choice)
- A. Border security optimization aims to achieve secure user access control.
- B. Optimization measures include attack defense technologies, packet filtering, and hardware firewalls.
- C. Border security optimization aims to prevent or reduce external network attacks and harm.
- D. The optimization position is usually located at the network edge.
Answer: B,C,D
NEW QUESTION 25
When a large number of IP phones and WLAN APs exist on a network, which of the following switches is used?
- A. Switches supporting STP edge ports
- B. Switches supporting SACG
- C. Switches supporting PoE
- D. Switches supporting QoS
Answer: C
NEW QUESTION 26
Which of the following contents are included in a project implementation solution? (Multiple Choice)
- A. Risk control measures
- B. Migration process
- C. Personnel arrangement
- D. Time plan
Answer: A,B,C,D
NEW QUESTION 27
If a fault cannot be rectified in a short time on a complex network but the customer needs to restore network availability immediately, which of the following actions is recommended?
- A. Attempt to rectify the fault. If the fault cannot be rectified after a period of time, communicate with the customer.
- B. Communicate with the customer on skipping the faulty node, and set up an alternative network environment.
- C. Set up an alternative network environment.
- D. Tell the customer that this is impossible.
Answer: B
NEW QUESTION 28
During unpacking and inspection, the device appearance is intact and all modules work properly after the first power-on. After the device continuously runs for 24 hours, a fault occurs on a card. This situation does not conform to DOA conditions.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 29
After the connection is completed, what items are generally required to be checked?
- A. Data flow
- B. Control plane entries
- C. Software version
- D. Indoor topology
Answer: A,B,C,D
NEW QUESTION 30
Which of the following statements regarding network maintenance functions are true? (Multiple Choice)
- A. Network maintenance is not just a technical issue but also a management issue.
- B. Routine maintenance has high technical requirements for operators but no high requirements for operation standardization.
- C. Routine maintenance is a preventive measure.
- D. Through routine maintenance, administrators can obtain the network baseline, laying a good foundation for troubleshooting.
Answer: A,C,D
NEW QUESTION 31
Which of the following are sources of network optimization requirements? (Multiple Choice)
- A. As the videoconferencing service is required on the network, add switching devices that support Layer 2 multicast.
- B. Replace severely aged signal cables in an ELV well.
- C. After long-term network maintenance, propose suggestions and improvements for centralized rectification.
- D. For enterprise information security, deploy new security devices.
Answer: A,B,C,D
NEW QUESTION 32
As shown in the figure, all interfaces of the router have ospf enabled. Which one of the following descriptions is correct?
- A. The Type3 LSA generated by R4 in area 1 contains 10.0.2.2/32 routing information
- B. R5 will generate Type3 LSA in area 1
- C. The Type3LSA generated by A.R6 in area 1 contains 10.0.2.2/32 routing information
- D. The Type3 LSA generated by R3 in area 0 contains 10.0.2.2/32 routing information
Answer: A
NEW QUESTION 33
Upon VRRP group flapping, the vrrp vrid timer advertise command is executed on the router to increase the interval for sending VRRP packets, and then the display vrrp command is executed repeatedly on the backup device to check the State field. It is found that the value of State remains unchanged. Which of the following statements regarding these operations is true?
- A. A small interval for sending VRRP packets may cause status flapping of the backup device.
- B. A large interval for sending VRRP packets may cause status flapping of the backup device.
- C. Status flapping of the backup device is irrelevant to the interval for sending VRRP packets.
- D. The fault cause is not found, and it takes time for the device to recover from the fault.
Answer: A
NEW QUESTION 34
The display interface brief command can be executed to check the interface status. When sent and received traffic exceeds 70%, it can be determined that the traffic volume is high.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 35
Generally, which of the following enterprise services require user experience optimization? (Multiple Choice)
- A. Videoconferencing
- B. Network management
- C. Voice call
- D. Video surveillance
Answer: A,C,D
NEW QUESTION 36
During the structured network troubleshooting process, which of the following items require attention in the information collection phase? (Multiple Choice)
- A. How to collect information
- B. Whether authorization is required
- C. What information to collect
- D. Risks in the information collection phase
Answer: A,B,C,D
NEW QUESTION 37
Huawei's USG6X00 series firewalls belong to the UTM firewall product and support stateful inspection packet filtering as well as intrusion detection, anti-virus, and URL filtering.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 38
After finding that the OSPF configuration on a router is incorrect, you logged in to the router to check the OSPF configuration. Then you found that the association between OSPF and BFD was also incorrect.
Therefore, you changed the OSPF and BFD configuration. Which of the following troubleshooting methods is used in this process?
- A. Bottom-up
- B. Configuration comparison
- C. Chunking
- D. Segmentation
Answer: C
NEW QUESTION 39
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