第60題： 下列光纖接入網絡中，沒有采用時間分割多路訪問(TDMA)來實現 下行和上行信號傳輸的技術是()。
A．GPON 千兆無源光纖網絡
B．EPON 以太網無源光纖網絡
C．XG-PON10G 無源光纖網絡
D．WDM-PON 波分復用無源光纖網絡
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第61題： 《中華人民共和國數據安全法》適用于在()開展數據處理活動及其安全監(jiān)管。
A．我國境內及境外
B．我國境外
C．我國境內
D．我國境內的局部地區(qū)
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第62題： 在Windows系統中， DNS所使用的端口號是()
A．25
B．65
C．35
D．53
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第64題： Software-defined networking(SDN)technology is an approachto(64)management that enables dynamic,progranmatically efficient network configuration in order to improve network performance and monitoring,in a manner more akin to(65)computing than to traditional network management. SDN archi tectures decouple network control and forwarding functions,enabling the network control to become directly(66)and the underlying infrastructure to be abstracted from applications and network services.SDN was commonly associated with the (67)protocol since the protocol's emergence in 2011. When using an SDN based model for transmitting multimedia traffic,an important aspect to take account is the(68)of Experience(QoE)estimation.To estimate theQoE,first we have to be able to classify the traffic and then,it's recommended that the system can solve critical problems on its own by analyzing the traffic.
A．resource
B．device
C．memory
D．network
A．parallel
B．grid
C．distributed
D．cloud
A．configurable
B．programmable
C．transformable
D．adaptable
A．OpenF1ow
B．OpenVPN
C．OpenNet
D．OpenAI
A．Quality
B．Query
C．Queue
D．Quantity
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第65題： 對IPv4 地址段192.168.10.0/24進行子網劃分，要求每個子網至少50個可用IP地址，其主機位數最少需要(69)位，(70)屬于所劃分子網的網絡號。、
A．7
B．5
C．8
D．6
A． 192.168.10.32
B． 192.168.10.0
C． 192.168.10.160
D． 192.168.10.96
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第66題： 某網絡拓撲如下圖所示，局域網用戶通過防火墻訪問互聯網，在防火墻上配置安全策略實現其功能時源地址應為(71)、目的安全區(qū)域應為(72)、動作為permit.

A．113.200.2.1/28
B．10.0.1.1/25
C． 10.0.1.1/24
D． 10.0.1.129/25
A．local
B．untrust
C．trust
D．dmz
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