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When the bridge uses IVL learning mode, an entry in the MAC address table is created based on the original MAC address and original port of the data frame. This entry applies to all VLANs
When the bridge uses IVL learning mode, an entry in the MAC address table is created based on the original MAC address and original port of the data frame. This entry applies to all VLANsA . TrueB . FalseView AnswerAnswer: B
To which of the following levels does the U2000 network management belong?
To which of the following levels does the U2000 network management belong?A . Network-level management systemB . Subnet-level management systemC . Network element level management systemD . Regional level management systemView AnswerAnswer: B
STM-N signals must be scrambled when transmitted on the line, mainly to facilitate the receiving end to extract the line timing signal. All bytes in the SDH frame structure will be scrambled.
STM-N signals must be scrambled when transmitted on the line, mainly to facilitate the receiving end to extract the line timing signal. All bytes in the SDH frame structure will be scrambled.A . TrueB . FalseView AnswerAnswer: A
MPLS is a label forwarding technology. Which of the following was its original design purpose?
MPLS is a label forwarding technology. Which of the following was its original design purpose?A . Improve the utilization rate of P addressesB . Increase the forwarding speed of the routerC . Reduce network latencyD . Avoid broadcast stormsView AnswerAnswer: B
Which of the following reasons will not cause the network management to report a MUT_LOS alarm?
Which of the following reasons will not cause the network management to report a MUT_LOS alarm?A . OTU board failureB . DMUX board out port failureC . The pigtail connecting the DMUX board out port and the OA board in port is faulty.D . OA board in port failureView AnswerAnswer:...
Which of the following is the monitoring overhead used to monitor and report OTUk_DEG and OTUk_EXC alarms.
Which of the following is the monitoring overhead used to monitor and report OTUk_DEG and OTUk_EXC alarms.A . SMB . PMC . TCMiView AnswerAnswer: A
Linear MSP (LMSP) has two modes: 1+1 and 1:1. Additional services can only be configured for the protection channel in the 1:1 mode of LMSP.
Linear MSP (LMSP) has two modes: 1+1 and 1:1. Additional services can only be configured for the protection channel in the 1:1 mode of LMSP.A . TrueB . FalseView AnswerAnswer: A
LDG supports electrical layer scheduling at the ODU1 level.
LDG supports electrical layer scheduling at the ODU1 level.A . TrueB . FalseView AnswerAnswer: B
MPLS is not a service or application, it is actually a tunnel technology.
MPLS is not a service or application, it is actually a tunnel technology.A . TrueB . FalseView AnswerAnswer: A
The dispersion coefficient is the time delay difference caused by the optical wavelength signal passing through the unit length of optical fiber within the unit wavelength interval. Which of the following is the unit of the dispersion coefficient?
The dispersion coefficient is the time delay difference caused by the optical wavelength signal passing through the unit length of optical fiber within the unit wavelength interval. Which of the following is the unit of the dispersion coefficient?A . ps/nmB . ps/kmC . ps/nm.kmD . ps/km.nmView AnswerAnswer: C
