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
答案解析與討論：www.richmond-chase.com/st/5770524136.html

第63題： 下列關于《中華人民共和國個人信息保護法》相關法律條文的描述中，不正確的是()。
A．處理個人信息應當遵循合法、正當、必要和誠信原則
B．個人一旦同意他人或機構處理其個人信息，就無權再反悔
C．任何組織、個人不得非法收集、使用、加工、傳輸他人個人信息
D．為公共利益實施新聞報道，可不經個人同意在合理的范圍內處理個人信息
答案解析與討論：www.richmond-chase.com/st/5770610625.html

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.
(64)A．resource
B．device
C．memory
D．network
(65)A．parallel
B．grid
C．distributed
D．cloud
(66)A．configurable
B．programmable
C．transformable
D．adaptable
(67)A．OpenF1ow
B．OpenVPN
C．OpenNet
D．OpenAI
(68)A．Quality
B．Query
C．Queue
D．Quantity
答案解析與討論：www.richmond-chase.com/st/5770712878.html

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
答案解析與討論：www.richmond-chase.com/st/5770921489.html

第67題： 網絡地址范圍172.24.0.0~ 172.24.7.0可以聚合為(73), 聚合后的網絡中有(74)個可用主機地址。
A． 172.24.0.0/21
B． 172.24.0.0/24
C． 172.24.0.0/20
D． 172.24.0.0/16
A．2048
B．2056
C．2032
D．2046
答案解析與討論：www.richmond-chase.com/st/5771010687.html

第68題： TCP傳輸60KB帶寬，傳輸1000字節(jié)，0.1s延遲，0.02丟包率，則信道利用率為（）
A．2.0%
B．1.6%
C．1.2%
D．0.8%
答案解析與討論：www.richmond-chase.com/st/577115267.html