EMT Practice Test

1. Question Content...


Question List

Question1: 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

Question2: (Radio) 10G GPON system downlink wavelength is

Question3: 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

Question4: (Radio) Regarding multicast, the following description is incorrect

Question5: (Single choice) When planning qos, it is necessary to plan reasonably according to the business, and adopt the
() scheduling mode for high-priority businesses.

Question6: Max-Forwards fields can be used in S1P messages to solve loop problems and avoid endless packet
forwarding.

Question7: (Radio) When the invitation message sent by user A reaches user B after passing through server C, D, E, the
message received by user B is VIA. The server address of the field information record is in descending order.

Question8: (Radio) To improve link reliability, the LT device passes through two upstream ports 0/19/0 and 0/20/0
Configure the Timedelay protection group, which of the following commands is optional

Question9: (Radio) The following options, regarding the description of the H.248 connection model, are correct?

Question10: The maximum spectroscopic ratio supported by 10G GPON is (Radio) ?

Question11: In esight's OnT zero configuration deployment, do not provision OLT when incrementally configuring OLT.

Question12: Multicast technology effectively solves the problem of single-point transmission and multipoint reception, and
realizes efficient data transmission from midpoint to multipoint in IP network.

Question13: (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

Question14: (Radio) When using the siP protocol, you need to use a local number graph for matching, if you use the default
matching mode to match a 7-digit number beginning with 7727, then the following options are available?
The figure is

Question15: (Radio) Which of the following options can improve the service experience of multicast users when switching
channels (switching time is shorter)

Question16: (Single)When you configure the HUAWEI NETWORK MANAGEMENT U2000 for FTTH IPTV service
access, which of the following templates needs to be configured ().

Question17: (Single) A total of 100 multicast users on OLT are watching 20 multicast programs, assuming that each
multicast program occupies 2M bandwidth, then how much multicast traffic is currently on the OLT upstream
port

Question18: The DBA scheduling of the GPON system is only for the upstream traffic, and the downstream traffic cannot
be scheduled.

Question19: (Radio) The downstream effective bandwidth of the GPON PON port is

Question20: (Radio) A power access service deploys GPON Type C dual attribution protection, and the protection group is
fixed with the upstream Ethernet port status on the OLT, and when the Ethernet port status associated with the
protection group on the OLT becomes down, the following description is incorrect.

Question21: 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

Question22: (Multi-select) Use 0TDR to locate the abnormally attenuated location in the optical path, and after the OTDR
is connected to the detected line, which of the following parameters can be set.

Question23: (Single)When deploying home and guest services in a PON system, which of the following services has the
highest priority?