QUESTION 28
The maximum spectroscopic ratio supported by 10G EPON is?

QUESTION 29
(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

QUESTION 30
The (radio) OLT is configured for V2 on the IGMP version when the OLT receives igmr v3 forwarded from
on-T What kind of treatment will be done after joining the message

QUESTION 31
(Multiple choice) Which of the following measures can be adopted by GPON in terms of traffic control

QUESTION 32
(Multi-select) Network Management U2000 adds line templates to realize the mapping of user traffic flows to
GEM PORTS, including mapping modes(Radio)

QUESTION 33
Under IGMP snooping, there are two users on demand under the OLT- the same program, and the olt sends
two join messages to the multicast router

QUESTION 34
(Single choice) The following statement about defense MAC Spoofing is wrong

QUESTION 35
(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

QUESTION 36
The complete SIP message interaction process will contain multiple request and response messages, and the
sIP message header field can be used to describe what the specific solution corresponding to the current
response message is

QUESTION 37
In the evolution of EPON to 10 G EPON, a smooth transition is achieved at the local level by adding WDM
WDM modules, and ODNs coexist

QUESTION 38
(Radio) 10G GPON system downlink wavelength is

QUESTION 39
When ont fails or the hardware needs to be replaced, the ONT service needs to be replaced, and then the ONT
service needs to be removed on the OLT, and then the new ONT service needs to be registered

QUESTION 40
(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

QUESTION 41
(Multiple choice) When the OLT main control board CPU is detected to be continuously elevated, the
following possible causes are?

QUESTION 42
(Radio) The following is not the QOS service model, is

QUESTION 43
(Radio) Which of the following options can improve the service experience of multicast users when switching
channels (switching time is shorter)