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.
MA5600T/MA5680T system defaults to a super user level user, which cannot be added or deleted. What is the default super user name/password of the system?
Is the following description correct? The UA5000 and lanswitch are connected through GE, and the working mode of the ports on both sides can be auto-negotiation mode and mandatory mode.
Regarding the ADSL rate limit in the UA5000, which of the following statements is incorrect?
What are the incorrect statements about Type B protection for GPON networks?
Is the following description correct? In PON networks, multimode optical fibers are often used.
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 commands is used to close the main server of Sybase System?
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 .
For GPON lines, MA5600T/MA5680T supports multiple protection switching methods. Which protection technology below MA5600T/MA5680T supports simultaneous protection of backbone fiber and branch fiber?
According to the IEEE 802.1Q standard, where is the VLAN identification field in the Ethernet frame?
Is the following description correct? Users can establish PVC connections between different board ports or between different ports on the same board. The main purpose is to realize the point-to-point interconnection between two different users.
According to whether the UA2000 alarm is confirmed and cleared, what are its alarm states?
Is the following description correct? The ADSL G.992.1 or G.dmt standard is a technical specification that does not require a signal splitter.
In the EMU command line mode, different environmental monitoring units use different command keywords for configuration. Which keyword is used by 4845/4875?
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.
MA5600T checks whether the currently running single board software version meets the requirements for on-site deployment. Which command is used?
The UA5000 narrowband main control board PVM and the broadband main control board IPM are jointly networked and provide voice services and broadband services at the same time. The voice services are transmitted to the IPM single board through the internal IP channel, and then transmitted by the upstream interface of the IPM single board To the upper network, which command should be used to configure the system networking mode at this time?
Is the following description correct? When the ONT is offline, the MA5600T/MA5680T can perform ONT PPPoE simulation test operations.
In SNMP V1, which of the following messages is a communication message between NMS and Agent?
1518 byte Ethernet data message is converted into ATM cells for transmission through 1483 b format encapsulation, how many ATM cells will be converted into?
In the EPON network, which parameter is used to filter the downstream data on the ONU?
In the template mode of MA5680T, where is the configuration of tcont and gemport integrated?
Is the following description correct? The OLT supports directly copying the user message priority as the priority of forwarding messages, and also supports the local setting of the priority directly on the OLT.
When MA5600T is newly launched and connected to the network management system, which of the following descriptions are correct?
In the Solaris environment, which of the following commands (parameters) is used to unconditionally terminate the process?
Which of the following information is the information that Solaris environment variables can provide?