After the anti-ipattack function is enabled on the OLT, the device cannot be managed remotely via telnet.
A . TRUE
B . FALSE
Answer: B
Which of the following descriptions about the characteristics of large concentration and small concentration is wrong?
Which of the following descriptions about the characteristics of large concentration and small concentration is wrong?
A . Large concentrated light splitting, FAT is set in the information distribution area in the corridor, and FAT can choose direct fusion or patch module (recommended patch module)
B . Small concentrated light splitting, the light splitter is centrally set in the large-capacity FAT or small FDT in the information distribution area, and the number is allocated according to the number of users
C . Set using first-order spectroscopy
D . Large-scale optical splitting, the optical splitters are centrally set on the large-capacity ODF/FDT in the information convergence area, and the number of optical splitters is configured according to the number of users
Answer: D
Deploying QoS can solve the problem of user service quality in the process of network communication. Its purpose does not include?
Deploying QoS can solve the problem of user service quality in the process of network communication. Its purpose does not include?
A . Control the number of concurrent users
B . Regulating the traffic of the IP network
C . Avoid and manage network congestion
D . Reduce the loss rate of packets
Answer: A
During the SIP voice service provisioning process, what is the port corresponding to the default VLAN on the user side of the ONT?
During the SIP voice service provisioning process, what is the port corresponding to the default VLAN on the user side of the ONT?
A . IPHOST
B . ETH
C . FE
D . POST
Answer: D
Which of the following conditions will not trigger GPON Type B single-homing protection switching?
Which of the following conditions will not trigger GPON Type B single-homing protection switching?
A . Multiple ONU are attached to the optical splitter, and a single ONU is offline
B . Trunk fiber break
C . OLT active PO port fault
D . Deterioration of trunk optical cable line quality
Answer: A
When configuring the multicast service on the MA5600T/MA5680T, the multicast WLAN program adopts the static configuration mode. Which of the following options must be configured, otherwise the multicast program may not be able to be viewed?
When configuring the multicast service on the MA5600T/MA5680T, the multicast WLAN program adopts the static configuration mode. Which of the following options must be configured, otherwise the multicast program may not be able to be viewed?
A . igmp priority
B . igmp profile
C . igmp program
D . igmp preview
Answer: C
When the ONU is replaced in the eSight system, which of the following options can be used to reselect the ONU?
When the ONU is replaced in the eSight system, which of the following options can be used to reselect the ONU?
A . ONU SN
B . ONU ID
C . ONU MAC
D . ONU IP
Answer: A
In the GPON network, to measure the luminous condition of the ONU, which of the following options is correct?
In the GPON network, to measure the luminous condition of the ONU, which of the following options is correct?
A . Optical power string through PON network to PON network, using 1490 nm to measure
B . Measure the optical power of the PON network directly into the ODN, using 1310 nm to measure
C . Directly connect to ONU’s PON port for measurement by optical power meter
D . Turn on the ONU’s long light switch by command and then use the optical power measurement
Answer: C
The number of users under the OLT can also decide whether the VLAN is a single-layer or double-layer VLAN. When the number of users is small, a single-layer VLAN can be used. When the required VLAN to distinguish the number of services and users is greater than ( ), a double-layer LAN must be used.
The number of users under the OLT can also decide whether the VLAN is a single-layer or double-layer VLAN. When the number of users is small, a single-layer VLAN can be used. When the required VLAN to distinguish the number of services and users is greater than ( ), a double-layer LAN must be used.
A . 4K
B . 8K
C . 2K
D . 1K
Answer: A
In the GPON system, in order to ensure the priority forwarding of important services, which queue scheduling method is recommended?
In the GPON system, in order to ensure the priority forwarding of important services, which queue scheduling method is recommended?
A . DWRR
B . SQ
C . GQ
D . PQ
Answer: D