【单选题】
下面关于我们使用的网络是否安全的正确表述是___
A. 设置了复杂的密码,网络是安全的
B. 安装了防火墙,网络是安全的
C. 没有绝对安全的网络,使用者要时刻提高警惕,谨慎操作
D. 安装了防火墙和杀毒软件,网络是安全的
查看试卷,进入试卷练习
微信扫一扫,开始刷题

答案
C
解析
暂无解析
相关试题
【单选题】
我们日常生活和工作中,为什么需要定期修改电脑、邮箱、网站的各类密码?___
A. 遵循国家的安全法律
B. 确保个人数据和隐私安全
C. 确保不会忘掉密码
D. 降低安全受损的几率
【单选题】
我们应当及时修复计算机操作系统和软件的漏洞,是因为___
A. 手动更新后,玩游戏时操作系统就不会自动更新,不会占用网络宽带
B. 操作系统漏洞补丁及时升级,软件漏洞补丁就没有必要及时修复
C. 漏洞是计算机系统或软件系统的缺陷,病毒和恶意软件可以通过这个缺陷趁虚而入
D. 以前经常感染病毒的机器,现在就不存在什么漏洞了
【单选题】
中间件的定义是什么?___
A. 中间件是实现互连和实现应用之间的互操作
B. 是独立的系统软件或服务程序分布式应用程序借助这种软件在不同的技术之间共享资源
C. 中间件是网络应用系统开发必不可少的工具
D. 中间件为应用系统提供一个综合的计算环境和支撑平台
【单选题】
中间件在软件支撑和架构的定位来看基本可以分为哪三大类___
A. 应用服务类、应用软件类、应用系统类
B. 应用集成类、应用软件类、应用系统类
C. 应用服务类、应用集成类、业务架构类
D. 业务架构类、应用软件类、应用系统类
【单选题】
业务架构类中间件包括()等几个业务领域的中间件。___
A. 业务流程、业务管理、业务交互
B. 业务流程、业务分配、业务集成
C. 业务管理、业务分配、业务集成
D. 业务分配、业务集成、业务交互
【单选题】
以下那句话不正确?___
A. SQL注入漏洞是Web层面最高危的漏洞之一
B. XSS不是常见的Web应用程序安全漏洞之一
C. 基于DOM的XSS是通过修改页面DOM节点数据信息而形成的XSS
D. 远程代码执行漏洞是指攻击者可以随意执行系统命令
【单选题】
从体系架构角度可以将物联网支持的应用分为三类,下列哪个选项是错误的___
A. 具备物理世界认知能力的应用
B. 在网络融合基础上的泛在化应用
C. 在大数据下的推广性应用
D. 基于应用目标的综合信息服务应用
【单选题】
以下关于大数据的理解错误的是___
A. 大数据增加了隐私泄露的风险
B. 大数据下审计工作难度加大
C. 大数据下访问控制难度减小
D. 大数据使攻击者可以更容易地发起攻击
【单选题】
从体系架构角度分,哪一类不属于物联网支持的应用?___
A. 具备物理世界认知能力的应用
B. 具有基础设施服务的应用
C. 在网络融合基础上的泛在化应用
D. 基于应用目标的综合信息服务应用
推荐试题
【单选题】
The captain wasn’t ___ on having him in the team.
A. eager
B. keen
C. overwhelmed
D. anxious
【单选题】
He was ___at the prospect of seeing them again.
A. thrilling
B. blessed
C. thrilled
D. emotional
【单选题】
They ___ against travelling at night in such a dangerous country.
A. consul
B. advocate
C. counsel
D. recommend
【单选题】
It is absolutely vital that food supplied should be ___.
A. sustained
B. enhanced
C. exhausted
D. maintained
【单选题】
He must have had an accident, or he ___ then.
A. would have been here
B. had to be here
C. should be here
D. would be here
【单选题】
It was essential that the application forms ___ back before the deadline (截止日期).
A. must be sent
B. would be sent
C. be sent
D. were sent
【单选题】
We ___ our breakfast when an old man came to the door.
A. just have had
B. have just had
C. just had
D. had just had
【单选题】
The bridge was named ___ the hero who gave his life for the cause of the people.
A. after
B. with
C. by
D. from
【单选题】
The road now ___two kilometers beyond the river.
A. develops
B. extends
C. expands
D. widens
【单选题】
It was claimed that the level of alcohol in the man’s blood was ___ to cause an accident.
A. sufficient
B. adequate
C. enough
D. accurate
【单选题】
Medical care reform has become this country’s most important public health ___.
A. question
B. stuff
C. matter
D. problem
【单选题】
His retail business in the city___ rapidly between the wars.
A. enlarged
B. extended
C. widened
D. expanded
【单选题】
Many frogs ___ the sound of their voice using special sacs(囊) in their throat.
A. amplify
B. widen
C. expand
D. enlarge
【单选题】
Some old people don’t like pop songs because they cannot ___ so much noise.
A. resist
B. sustain
C. tolerate
D. undergo
【单选题】
I have kept that portrait where I can see it every day, as it always ___ me of my university days in London.
A. recollects
B. reminds
C. recalls
D. invokes
【单选题】
The article suggests that when a person is under unusual ___ he should be especially careful to have a well-balanced diet.
A. weight
B. stress
C. press
D. nerve
【单选题】
You should hire a more ___ manager than the one you currently have.
A. sufficient
B. effective
C. respective
D. efficient
【单选题】
Surgeons began to ___ their hands and arms with soap and water before operating.
A. scrub
B. enhance
C. rub
D. exhibit
【单选题】
He might let something ___ in a moment of weakness.
A. slip
B. leak
C. to slip
D. to leak
【单选题】
The ___ for which he had fought all his life no longer seemed important to him.
A. aims
B. objectives
C. subjects
D. goals
【单选题】
Eating too much fat can ____heart disease and cause high blood pressure.
A. contribute to
B. attribute to
C. attest to
D. devote to
【单选题】
It soon ___ that what she loved was not my person but my wealth.
A. widened
B. expanded
C. extended
D. developed
【单选题】
I want to buy a new tie to ___ this brown suit.
A. go into
B. go after
C. go with
D. go through
【单选题】
Our company decided to ___ the contract because a number of the conditions in it had not been met.
A. destroy
B. resist
C. assume
D. cancel
【单选题】
I think it’s time I ___ in a new computer.
A. invested
B. insulted
C. interacted
D. impacted
【单选题】
The jeweler will ____ the inside of the ring with her name.
A. carve
B. engrave
C. cut
D. engross
【单选题】
They are _____ moving their office outside London.
A. considered
B. discussing
C. pondering
D. negotiating
【单选题】
Although she _____ the old pot thoroughly, she could not make it look completely clean.
A. scrubbed
B. washed
C. made
D. screwed
【单选题】
The mistake will remain an indelible ____ on his memory.
A. stain
B. thing
C. issue
D. accident
【单选题】
The wheel ____ through my frozen hand, and the car went right across the road.
A. slipped
B. sipped
C. dashed
D. disappeared
【单选题】
The cupboard was ____ with old fishing tackle.
A. stuffed
B. stocked
C. stored
D. filled