Is the following description correct? ADSL2+ is an extension of ADSL technology, supporting a downlink rate of up to 24Mbit/s and an uplink rate of 2.5Mbit/s, and the longest transmission distance can reach 6.5km.
When locating ADSL faults, what reasons may cause ADSL Modem to fail to activate?
Is the following description correct? The link layer defines electrical and mechanical processes and functions to activate, maintain, and remove lines when the systems at both ends are connected.
What are the categories of acceptance test items in the MA5600T/MA5680T acceptance test manual?
Is the following description correct? In the EPON network, the gemport is used to carry the service flow.
In SNMP V1, which of the following messages is a communication message between NMS and Agent?
Regarding MA5600 Super Vlan and Sub Vlan, which of the following descriptions are correct?
Is the following description correct? The computer in the local area network judges whether the received broadcast frame is what it should receive is to judge the source of the frameMACIs the address the same as the hardware address of the machine .
Is the following description correct? The process of voice fault location can generally be divided into: troubleshooting the external device fault, locating the fault to the specific device, and locating the fault to the board.
Which of the following commands is used to close the main server of Sybase System?
Is the following description correct? In the GPON network, in order to avoid data conflicts and improve network utilization efficiency, the downstream direction adopts TDMA multiple access mode and arbitrates the data transmission of each ONU.
In the EPON network, what is the upstream and downstream bandwidth of the PON port?
After installing the sybase patch, which of the following commands can display the version information of the installed sybase patch?
Is the following description correct? When classifying the acceptance test items, the basic package is used to ensure the normal operation of the basic services and functions of the equipment and the network, and only simple or cheap instruments are needed to satisfy the acceptance test items.
The international professional organization responsible for allocating IP addresses has divided several network segments as private network segments, which can be freely distributed and used by people on private networks. Which of the following is not a network segment of private addresses?
What is the correct correspondence between IP address and MAC address in a broadcast domain?
Is the following description correct? The VPI/VCI of the ATM cell has only local importance, and the VPI/VCI value of each node in the transmission process can be changed.
Is the following description correct? In PON networks, multimode optical fibers are often used.
Is the following description correct? The cells transmitted in the ATM network have two priority levels, which are distinguished by the CLP bit in the cell header. CLP=1 means high priority, and CLP=0 means low priority.
According to the IEEE 802.1Q standard, where is the VLAN identification field in the Ethernet frame?
In the 802.1Q tag header, how many digits is the VLAN ID field, and how many VLANs can be specified in total?
Which of the following methods can be used for the reset test of the MA5600T/MA5680T single board?
Which of the following does not belong to the category of communication networks?
In UA5000, which of the following boards can provide 32 ADSL2+ interfaces and 32 POTS interfaces at the same time?
Is the following description correct? The DC upgrade tool requires the support of a license. Without a license, 30 units can be concurrently concurrent by default, and a maximum of 60 units can be concurrent with a license.
In the UA5000 system, which command can be used to view the progress during data backup and loading?
When the MA5600T/MA5603T equipment needs to be maintained and managed locally, the baud rate setting of the maintenance terminal's hyperterminal must be consistent with the serial port baud rate parameters of the MA5600T/MA5603T system. What is the system default serial port baud rate?
What is the smallest constituent unit in the message constituent mechanism of the H248 protocol?
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TESTED 04 May 2024
