H12-223 Exam Dumps Pass with Updated Nov-2022 Tests Dumps
H12-223 exam questions for practice in 2022 Updated 165 Questions
NEW QUESTION 40
Which of the following causes for VRRP group flapping is the most impossible?
- A. The interval for sending VRRP Advertisement packets is small.
- B. Association between VRRP and BFD is configured to implement a rapid master/backup switchover.
- C. VRRP packets are discarded randomly because congestion occurs.
- D. The link where VRRP Advertisement packets are transmitted changes from Up to Down frequently.
Answer: B
NEW QUESTION 41
Which of the following statements regarding the device environment check is true?
- A. When the grounding mode and the grounding resistance are checked, the working ground, protection ground, and building lightning protection ground should be separately configured in the equipment room.
- B. It is recommended that power cables and service cables be placed together in a neat and orderly manner.
- C. For energy saving, the current temperature and humidity in the equipment room must meet requirements of devices. Air conditioners are not required to run continuously and stably.
- D. Devices should be placed stably in flat positions in a ventilated and dry environment, and only a few sundries can be placed around the devices.
Answer: A
NEW QUESTION 42
A network administrator fails to access devices on the internal network through Telnet. Which of the following causes is the most impossible?
- A. The route is unreachable, and the client fails to establish a TCP connection with the server.
- B. The protocol inbound all command is configured in the VTY user interface view.
- C. The number of login users reaches the upper limit.
- D. An ACL is bound in the VTY user interface view.
Answer: B
NEW QUESTION 43
Which of the following subsystems are involved in building cabling? (Multiple Choice)
- A. Horizontal subsystem
- B. Access subsystem
- C. Vertical subsystem
- D. Switching subsystem
- E. Backbone subsystem
Answer: A,C
NEW QUESTION 44
Enterprise services have strict requirements for QoS in networks. Which of the following counters can be used to indicate network QoS. (Multiple Choice)
- A. Stability
- B. Bandwidth
- C. Security
- D. Jitter
- E. Delay
Answer: B,D,E
NEW QUESTION 45
If the number of checked goods is different from the number of goods on the packing list, you can unpack and inspect goods and then contact the vendor to handle the inconsistency.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 46
Which of the following causes may result in an IS-IS neighbor relationship fault?
- A. The IP addresses of interfaces on two ends of a link are on different network segments.
- B. The devices on two ends of a link have inconsistent IS-IS levels.
- C. The devices on two ends of a link have the same system ID.
- D. When an IS-IS Level-1 neighbor relationship is established, the devices on two ends of a link have inconsistent area addresses.
Answer: A,B,C,D
NEW QUESTION 47
Which of the following statements regarding the STP configuration is true?
- A. The RSTP algorithm is simple and reliable and supports fast convergence. Therefore, all switches on the network are configured to work in RSTP mode.
- B. For routine STP configuration, the position of the STP blocked port is controlled to ensure that the blocked port is not located on a backbone link or device.
- C. Similar to the implementation of routing protocols, data flows between switches can be adjusted by modifying link costs.
- D. STP automatically runs by default and therefore does not require configuration.
- E. The STP convergence speed is slow, which may cause network interruption. Therefore, disabling STP is a preferred solution.
Answer: B
NEW QUESTION 48
Which of the following steps or measures are taken in the one-by-one check phase of the structured network troubleshooting process? (Multiple Choice)
- A. Information filter
- B. Contingency plan
- C. Rollback preparation
- D. Temporary environment setup
Answer: B,C
NEW QUESTION 49
If network access fails after a twisted pair is replaced, which of the following methods is the most appropriate for troubleshooting?
- A. Replacement
- B. Top-down
- C. Bottom-up
- D. Configuration comparison
Answer: A
NEW QUESTION 50
When a large number of IP phones and WLAN APs exist on a network, which of the following switches is used?
- A. Switches supporting SACG
- B. Switches supporting PoE
- C. Switches supporting QoS
- D. Switches supporting STP edge ports
Answer: B
NEW QUESTION 51
Ethernet supports broadcast. Once a network loop occurs, this simple broadcast mechanism will cause catastrophic consequences. Which of the following symptoms may be caused by a loop? (Multiple Choice)
- A. The display interface command output shows a large number of broadcast packets received on an interface.
- B. The CPU usage exceeds 70%.
- C. A lot of ICMP packets are lost in ping tests.
- D. Users cannot log in to the device remotely.
Answer: A,B,C,D
NEW QUESTION 52
When the DHCP relay function is configured on a device, VLANIF interfaces connected to DHCP clients must be bound to a DHCP server group containing the IP address of the DHCP server.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 53
In the process of daily troubleshooting, engineers may need to check some reported information of the equipment.
By executing the terminal______ command, turn on the terminal to display the debugging/logging information function sent by the information center. (Please use English lowercase letters to complete the command, and the command cannot be abbreviated)
Answer:
Explanation:
Monitor
NEW QUESTION 54
A customer needs to select Layer 3 100M switches from a series of Huawei's campus switches. Which of the following series is proper?
- A. S2700
- B. S3700
- C. S6700
- D. S5700
Answer: B
NEW QUESTION 55
When communicating with customers, Huawei engineers need to be groomed, well behaved, and appropriate in language use.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 56
Which of the following statements regarding the software and configuration backup is true?
- A. The software version needs to be backed up for multiple times for the same product and the same version.
- B. Backup is used to restore network functions in extreme cases.
- C. After the device configuration changes, the configuration file does not need to be backed up.
- D. Licenses do not need to be backed up.
Answer: B
NEW QUESTION 57
, well behaved, and appropriate in language use.When communicating with customers, Huawei engineers need to be groomed
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 58
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. Chunking
- B. Segmentation
- C. Bottom-up
- D. Configuration comparison
Answer: A
NEW QUESTION 59
The migration kick-off meeting is held to communicate with the customer about the project. Communication with other involved parties is not important.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 60
Which of the following statements regarding network maintenance work are true? (Multiple Choice)
- A. The external environment where hardware runs does not need special attention.
- B. For device software maintenance, onsite operations are allowed but only remote operations are recommended.
- C. For device environment maintenance, maintenance personnel need to go to the site or even use some professional tools for observation and measurement.
- D. The device software running is closely related to services running on the device.
Answer: C,D
NEW QUESTION 61
When a Huawei router serves as an SSH client and attempts to log in to another Huawei router, the login fails. It is suspected that the SSH server configuration is incorrect. Which of the following causes is the most impossible for the server fault?
- A. The SSH server and client have inconsistent versions.
- B. The SSH first-time authentication function is disabled.
- C. The user service type, authentication type, and user service type are not configured.
- D. The SSH protocol is not bound in the VTY user interface view.
Answer: B
NEW QUESTION 62
If a fault is located on a router that works in redundancy mode with another router, which of the following methods is the most appropriate for subsequent troubleshooting?
- A. Top-down
- B. Service traffic path check
- C. Bottom-up
- D. Configuration comparison
Answer: D
NEW QUESTION 63
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. Tell the customer that this is impossible.
- B. Attempt to rectify the fault. If the fault cannot be rectified after a period of time, communicate with the customer.
- C. Communicate with the customer on skipping the faulty node, and set up an alternative network environment.
- D. Set up an alternative network environment.
Answer: C
NEW QUESTION 64
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