HCPA-Access Network-ENU(Huawei Certified Pre-sales Associate-Access Network-ENU) 試験
Question No : 1
GPON is to achieve FTTH a point to multi-point technology, the uplink use broadcast mode, downlink use TDMA mode.
Question No : 2
PON access scheme use a unified network management U2000, can simultaneously unified manage Huawei transmission and data communication equipment.
Question No : 3
EPON technology downlink use broadcast mode, the uplink use TDMA mode.
Question No : 4
MA5680T Huawei launched the MINI type OLT, which has only the single master control board, single-supply, do not have the switchover function.
Question No : 5
With the increase in the number of access layer devices, the access layer device when nearly 200, the PON network construction costs will go disadvantage.
Question No : 6
Resistant multipoint failure means the failure of any one or more devices in the network will not cause any impact to the work of other devices, PON network to use tree structure networking, ONU failure will not affect other ONU devices within the network, good meet the function of resistant multipoint failure.
Question No : 7
In terms of resource utilization comparison, relatively switches double fiber communications, PON equipment is single fiber bi-directional, can save double the fiber resources.
Question No : 8
In the access network technology, PON and switch technology is the current mainstream technology, PON technology in addition to supporting Ethernet services, but also compatible with voice, fax and other narrowband services.
Question No : 9
Huawei MXU product only supports the smooth evolution to 10G PON, can‘t evolve to 40G PON, temporarily unable to meet the demand of future capacity expansion.
Question No : 10
MA5616 equipment not only can be applied to FTTB, FTTH access scenarios, but also can be as a traditional Mini IP DSLAM, MSAN, offering traditional voice, data and video services.
Question No : 11
Hand in hand networking mode in Huawei power distribution solutions, splitter used is unequal splitter, in the actual application process, generally do 5-6 level of light splitting.
Question No : 12
MA5621 equipment is Huawei industrial-grade equipment development for energy power industry, this equipment has the capability of 4kv against lightning.
Question No : 13
MA5669 is an outdoor integrated equipment, support POE power supply, commonly used in video monitoring scenario.
Question No : 14
MA5680T series products have strong platform ability and large backplane bandwidth, medium and small size business boards are compatible, GPON, EPON, 10G EPON, 10G GPON in the same platform.
Question No : 15
FTTO is short for Fiber-to-the-Office, mainly for commercial users, or hospitals, banks and government enterprises office network construction, using an interface rich ONU laying in the office, to meet the office demand of broadband, voice, video ,etc.