Q28. Which of the following statements about static route configuration is correct?

Q29. Is the following description correct? The devices in the ODN network need power supply to work.

Q30. Which of the following commands is used to query whether all the boards in the MA5600T/MA5680T 0 frame are operating normally?

Q31. The Ethernet technology is a widely used technology. According to different transmission rates, the Ethernet technology is classified into 10 Mbit/s, 100 Mbit/s, and 1000 Mbit/s. The 10 Mbit/s and 100 Mbit/s Ethernet transmission media are twisted pairs, but the 1000 Mbit/s Ethernet is too fast and requires optical fibers as the transmission media.

Q32. When the address of the DHCP client reaches a certain lease period, the address lease operation will be performed. During each lease renewal process, the number of times of sending the renewal message will decrease with the increase of the number of address lease renewals.

Q33. OneVLANWhat kind of domain can it be regarded as?

Q34. If the contaminated fiber contacts the normal fiber end face, it will contaminate the normal fiber end face, resulting in abnormal attenuation, reflection and other problems, affecting the quality of the fiber link. Therefore, before and after measuring the optical power, the optical fiber interface needs to be cleaned.

Q35. In the GPON network, which of the following statements is incorrect?

Q36. Which of the following encoding formats belong to the H248 protocol that can be used?

Q37. What fax modes are supported in UA5000?

Q38. There is one MA/EA5800-X7 device with only one main control board. It is necessary to check the software version of its main control board. Which of the following commands is correct?

Q39. Which of the following reasons may cause the voice user to pick up the phone without dial tone?

Q40. Which method is not used for VLAN categorization?

Q41. Is the following description correct? LANThe transmission form is generally bus-based, and the most commonly used corresponding protocols are carrier sensing and collision detectionCSMA/CDprotocol.

Q42. What are the categories of acceptance test items in the MA5600T/MA5680T acceptance test manual?

Q43. What type of optical module does Huawei GPON network mainly use?

Q44. The 48-bit MAC addresses of computer network interface cards are allocated by the IETF to vendors and globally unique.

Q45. Is the following description correct? The VDSL2 standard specifies a frequency band division of up to 30MHz, which can realize 100Mbit/s high-speed data transmission in a symmetrical uplink and downlink within a short distance.

Q46. Which is the correct order of the loss size of the optical fiber connection point?

Q47. In GPON network, which of the following reasons may cause ONU to fail to go online?

Q48. Is the following description correct? When upgrading the version, use the database upgrade tool to upgrade the dat file to the higher version, and you can also use the upgrade tool to reduce the dat file of the higher version to the lower version.

Q49. The customer needs to access the following information points: AP, PC, POTS, and CATV.
Which of the following statements about data transmission of these information points by ONUs is correct?