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NEW QUESTION # 132
Which of the following protocol is used to manage multicast membership?
- A. PIM-DM
- B. IGMP
- C. MSDP
- D. PIM-SM
Answer: B
NEW QUESTION # 133
In a typical access network, when a large number of IPTV users are accessed through the OLT, in order to prevent a large number of IGMP join and leave messages generated on the user side from impacting the performance of edge routers, what function is generally recommended to be enabled on the OLT?
- A. IGMP Snooping
- B. Multicast vlan
- C. Static group join
- D. IGMP proxy
Answer: D
NEW QUESTION # 134
Compared with GPON, XGS-PON can cover more users and provide higher bandwidth rate on the premise of the same ODN network architecture.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 135
A GPON Type C dual-homing protection is deployed for a power access service, and the status of the protection group and the uplink Ethernet port is set on the OLT. When the status of the Ethernet port associated with the protection group on the OLT becomes down, which of the following description is incorrect?
- A. The status of the work port on the ONU side becomes standby
- B. ONU detects link failure and triggers protection switching
- C. After the switch, the service on the ONU is sent to the OLT through the protect port, that is, the service message is transmitted on the protect link.
- D. OLT general ONU uplink status changes
Answer: B
NEW QUESTION # 136
Which of the following are included in the IEEE 802.1X protocol system? (Multiple choice)
- A. Account system
- B. Authenticator System
- C. authentication server system
- D. Supplicant System
Answer: B,C,D
NEW QUESTION # 137
The optical splitter can be added to eSight to show the connection relationship of the PON more precisely. Which of the following statements about the optical splitter is correct? (Multiple choice)
- A. Using the auto-discovery topology function of eSight, the optical splitter and its splitting ratio can be found.
- B. Since the optical splitter is a passive device, eSight cannot monitor it.
- C. The optical splitter can be added manually and the connection relationship with the OLT and ONU equipment can be established.
- D. If the connection relationship between the optical splitter and the OLT and ONU equipment changes, eSight cannot detect it automatically, and you need to maintain it manually.
Answer: B,C
NEW QUESTION # 138
The traffic suppression function can work on unicast messages and multicast messages, but because broadcast messages are generally sent at the initial stage of device communication, in order not to affect specific communication services, access network equipment does not provide broadcast Traffic suppression.
- A. True
- B. False
Answer: B
NEW QUESTION # 139
There are many protection methods for OLT dual uplinks. Which of the following technologies can be used as OLT dual uplinks? (Multiple choice)
- A. Link Aggregation
- B. Main control board protection
- C. Smart link&monitor link
- D. Ethernet Protection Group
Answer: A,B,C,D
NEW QUESTION # 140
Considering 500 broadband users, when the concurrency rate is 40%, the penetration rate is 50%, the online bandwidth is 4M, the duty cycle is 12.5%, the number of channels is 1, the coverage rate is 70%, and the bandwidth needs to be 35M.
- A. True
- B. False
Answer: B
NEW QUESTION # 141
Huawei network management U2000 realizes the configuration of the voice service, and the voice configuration is issued through?
- A. Route template
- B. Business template
- C. SNMP template
- D. Value-added service template
Answer: D
NEW QUESTION # 142
In the FTTH scenario, the H.248 protocol is used to deploy VolP services. Which of the following options belong to MG equipment?
- A. BRAS
- B. OLT
- C. Aggregation switch
- D. ONT
Answer: D
NEW QUESTION # 143
Which of the following statements about OLT DOS attacks is wrong?
- A. If the port and ONT.Gemport continuously detect the number of Dos attacks equal to the number of continuous detections, the port, ONT, and Gem port are added to the blacklist
- B. The system will continue to detect Dos attacks by members on the blacklist
- C. If the OLT detects that the ARP rate threshold is exceeded, it will discard the ARP packets on the port, and other packets on the port will not be affected.
- D. For users launching Dos attacks, the OLT can only provide two protocol packet processing strategies: allow and deny
Answer: B
NEW QUESTION # 144
Checked that the OLTP ON port indicator is not green on the U2000 network management, indicating that the PON port is faulty
- A. True
- B. False
Answer: B
NEW QUESTION # 145
During the SIP voice service provisioning process, what is the port corresponding to the default VLAN on the user side of the ONT?
- A. ETH
- B. POST
- C. FE
- D. IPHOST
Answer: B
NEW QUESTION # 146
GPON only supports downlink AES-128 encryption, XG-PON supports bidirectional AES-128 encryption
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 147
Which of the following statement about the SSH connection is wrong?
- A. SSH can be applied to remote encrypted connections, file transfer encryption
- B. SSH protocol can encrypt all transmitted data, effectively preventing information leakage during remote management process
- C. SSH protocol works at the network layer
- D. From the client side, SSH provides two levels of security verification
Answer: C
NEW QUESTION # 148
Generally speaking, the lower the suppression level of OLT broadcast messages, the more obvious the suppression effect of the port/board on the wide plug traffic
- A. False
- B. True
Answer: B
NEW QUESTION # 149
esight uses templates to configure the SNMP parameters of multiple network elements uniformly. Which parameter in the following "SNIP protocol template" configuration is optional?
- A. Username
- B. Parameter type
- C. Context
- D. Port
Answer: B
NEW QUESTION # 150
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