Online Access Free H12-223-ENU Practice Test

Which of the following statements regarding network maintenance work are true? (Multiple Choice)

• A.For device software maintenance, onsite operations are allowed but only remote operations are recommended
• B.For device environment maintenance, maintenance personnel need to go to the site or even use some professional tools for observation and measurement.
• C.The device software running is closely related to services running on the device.
• D.The external environment where hardware runs does not need special attention.

Which of the following statements regarding the device environment check is true?

• A.Devices should be placed stably in fiat positions in a ventilated and dry environment, and only a few sundries can be placed around the devices.
• B.It is recommended that power cables and service cables be placed together in a neat and orderly manner.
• C.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.
• D.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.

Which of the following statements regarding the service running status check is true?

• A.When checking the multicast forwarding table, you can run the display multicast forwarding-table command to check Layer 2 multicast forwarding entries.
• B.You can run the display current-configuration I include car command to check the attack defense configuration. If attack defense is not configured, run the car command to configure this function.
• C.When checking the multicast routing protocol, you can run the display multicast routing-table command to check the multicast routing table. If PIM-SM is used as the intra-domain multicast routing protocol, multicast interfaces do not need to enable IGMP.
• D.You can run the display vrrp and display vrrp statistics commands to check the VRRP status. The value of State should be Initialize.

Which of the following work is not performed in network optimization?

• A.Software optimization
• B.Air conditioner replacement in the equipment room
• C.Hardware optimization
• D.Network expansion

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