NO.36 OLT can perform traffic shaping through service-port.

NO.37 (Radio) In the FTTB/C scenario, ONU is used as an AG device to access the phone, and there is no possible
cause of sound failure for SIP protocol off-hook

NO.38 Layer 2 enables IGMP-snooping , and when the switch port receives an IGMP join packet, it listens for the
packet and adds the corresponding port to the multicast group

NO.39 (Radio) When the invitation message sent by user A reaches user B after passing through server C, D, E, the
message received by user B is VIA. The server address of the field information record is in descending order.

NO.40 The maximum spectroscopic ratio supported by 10G GPON is (Radio) ?

NO.41 (Multiple select) When there is a backbone fiber break or OLT does not detect the expected optical signal
(L0S) alarm, the possible cause is that

NO.42 When configuring IPTV services on the U2000, what templates are included in the IGMP templates?

NO.43 (Single)When you configure the HUAWEI NETWORK MANAGEMENT U2000 for FTTH IPTV service
access, which of the following templates needs to be configured ().

NO.44 (Multi-select) Use 0TDR to locate the abnormally attenuated location in the optical path, and after the OTDR
is connected to the detected line, which of the following parameters can be set.

NO.45 The number of users under the OLT can also determine whether the VLA is single-layer or dual-layer VLA.
Single-layer VLANs can be used when the number of users is small, and dual-layer VLANs must be used
when the need to distinguish services and the number of users is second to ().

NO.46 (Radio) The following options, regarding the description of the H.248 connection model, are correct?

NO.47 (Radio) follow the multicast IP address 227. The correct multicast MAC address corresponding to 120.1.32 is

NO.48 (Single)When deploying home and guest services in a PON system, which of the following services has the
highest priority?

NO.49 (Radio) In the ACL, if you need to filter the packet according to the source IP address information, destination
IP address information, port number and other information of the packet, then the acl number template created
is

NO.50 (Radio) To improve link reliability, the LT device passes through two upstream ports 0/19/0 and 0/20/0
Configure the Timedelay protection group, which of the following commands is optional

NO.51 The maximum spectroscopic ratio supported by 10G EPON is?

NO.52 (Multiple choice) Which of the following measures can be adopted by GPON in terms of traffic control

NO.53 (Radio) Regarding multicast, the following description is incorrect

NO.54 The (radio) prerequisites for esight to automatically discover OLT and MXU devices by IP address are not
included

NO.55 (Single choice) When planning qos, it is necessary to plan reasonably according to the business, and adopt the
() scheduling mode for high-priority businesses.

NO.56 In Huawei’s u2000 management system, when adding network elements, you can only add — ones- when you
access the network element.