Latest Huawei H35-211_V2.5-ENU Free Certification Exam Material with 312 Q&As
UPDATED H35-211_V2.5-ENU Exam Questions Certification Test Engine to PDF
NEW QUESTION # 96
The Max-Forwards field can be used in the S1P message to solve the loop question to avoid endless message forwarding.
- A. Ture
- B. False
Answer: A
NEW QUESTION # 97
Enable IGMP-snooping on the layer 2. When the switch port receives an IGMP join message, it monitors the message and adds the corresponding port to the multicast group.
- A. Ture
- B. False
Answer: A
NEW QUESTION # 98
When the backbone fiber is broken or the OLT cannot detect the expected optical signal (LOS) alarm, the possible cause is: (Multiple Choice)
- A. There is a rogue ON U under the port
- B. Port backbone fiber failure
- C. All power off or failures under the port
- D. The port laser is turned off
Answer: B,C,D
NEW QUESTION # 99
Which of the following statements about OLT DOS attacks is wrong?
- A. The system will continue to detect Dos attacks by members on the blacklist
- B. For users launching Dos attacks, the OLT can only provide two protocol packet processing strategies: allow and deny
- C. 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
- D. 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.
Answer: A
NEW QUESTION # 100
Which of the following events will trigger the link switching of the aggregation group? (Multiple choice)
- A. LACP protocol found a link failure
- B. Link Down
- C. ETH-OAM detects link failure
- D. The port is unavailable
Answer: A,B,C,D
NEW QUESTION # 101
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. False
- B. True
Answer: A
NEW QUESTION # 102
GPON and 10G GPON use the same ODN network, but GPON and 10G GPON are two independent and interference-free channels that exist at the same time and work at the same time; each has its own bandwidth.
- A. True
- B. False
Answer: A
NEW QUESTION # 103
OLT equipment supports the use of authority templates to control the programs that the group plug-in user can watch.
- A. True
- B. False
Answer: A
NEW QUESTION # 104
OLT can support directly copying user message priority as the priority of up-forwarding messages, and supports direct local configuration.
- A. Ture
- B. False
Answer: A
NEW QUESTION # 105
Which statement about DHCP options82 is wrong?
- A. When the DHCP client sends a request message to DHCP servex, if it needs to go through a DHCP relay, the DHCP relay will add Option 82 to the request message.
- B. The DHCP Option82 port configuration on the OLT is enable by default
- C. The DHCP Option82 switch is divided into four levels: global level, port level, service virtual port level, and VLAN level. Only when all the switches of each level are turned on, the system will add Option82 information to the uplink DHCP message.
- D. The DHCP client sends the request message in the form of unicast during initialization.
Answer: D
NEW QUESTION # 106
View the protection configuration in the OLT example as follows:
Huawei (config) =protect-group 0 protect-target gpon-uni-port work mode time delay
Huawei (protect-group-0) #protect-group member port 0/5/0role work
Huawei (protect-group-0) #protect-group member port 0/5/l role protect
Huawei (protect-group-0) #protect-group enable
According to the above information, the following statement which is correct? (Multiple choice)
- A. GP ON Type B single-homing protection is configured
- B. After the protection group is created, the default status of the protection group is disabled, and you need to command the protect-group enable to enable the protection group.
- C. When port 0/5/0 fails, the system can automatically switch to port 0/5/1 to maintain continuous access services
- D. The member port of this protection type must be the same as the port on the GP ON board
Answer: A,B,C
NEW QUESTION # 107
When deploying GPON Type B single-homing protection, what is the working mode of the GPON port protection?
- A. all
- B. timedelay
- C. portstate
- D. dual-parenting
Answer: B
NEW QUESTION # 108
User A and User B belong to different city servers, and there is only one landline in both homes that can be used for conversation. If user A is calling user B, the number of transactions included in the entire conversation is?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 109
esight can use the template to configure the snmp parameters of multiple network elements. Which parameters in the "SnwP protocol template" configuration are optional?
- A. Username
- B. Context
- C. Port
- D. Parameter type
Answer: D
NEW QUESTION # 110
There is no sound when the phone is off-hook. You can use the POTs external line test to check whether there is a line loop between the terminal phone and the POTS port. Which of the following commands is used for the external line test on the MDU side?
- A. ont pots-test
- B. pots cir cult-test
- C. pots loop-line-test
- D. ont pots-test-threshold restore
Answer: A
NEW QUESTION # 111
What are the possible reasons for the phenomenon of blurred screen when watching IPTV programs? (Multiple choice)
- A. Some key frames are lost when the program is compressed
- B. The transmit and receive luminous power of the equipment is at a critical value
- C. Some key frames are lost during line transmission
- D. There is a speed limit on the device
Answer: A,C,D
NEW QUESTION # 112
When it is detected that the CPU of the OLT main control board continues to rise, the following possible reasons are: (Multiple Choice)
- A. Network loop
- B. Rogue ONU
- C. Cyber attacks
- D. User illegally logged in
Answer: A,B,C
NEW QUESTION # 113
In the Type B protection mode, when all the ONU under the PON port are offline, which of the following options is correct?
- A. The work port will not change and in a stable state
- B. After the work port is automatically switched to the protect port, the work port is switched back to a stable state.
- C. After the work port is automatically switched to the protect port, it is in a stable state
- D. The device will continue to perform cyclic detection of the work port and the protect port until an ONU goes online.
Answer: D
NEW QUESTION # 114
Which of the following descriptions about GP ON Type C single-homing protection is correct?
- A. Do not switch back after the working link is restored
- B. Both ONU and OLT detect the link status and decide whether to switch according to the link status
- C. Branch fiber breaks will not trigger switching
- D. Need to configure 2, N splitter
Answer: B
NEW QUESTION # 115
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