【单选题】
Which term best describes the concept of preventing the modification of data in transit and in storage?___
A. availability
B. confidentially
C. fidelity
D. integrity
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答案
D
解析
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相关试题
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Which loS command is used to define the authentication key for ntp?___
A. switch(config )#ntp authentication-key 1 mds Clcs
B. switch(config )#ntp authenticate
C. switch(config)#ntp trusted-key 1
D. switch(config)#ntp source 192.168.0.1
【单选题】
What is true about the cisco lOS Resilient Configuration feature ?___
A. The feature can be disabled through a remote session
B. There is additional space required to secure the primary cisco lOS image file.
C. The feature automatically detects image or configuration version mismatch.
D. Remote storage is used for securing files
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When is the default deny all policy an exception in zone-based firewalls?___
A. when traffic terminates on the router via the self zone
B. when traffic traverses two interfaces in different zones
C. when traffic traverses two interfaces in the same zone
D. when traffic sources from the router via the self zone
【单选题】
.If an access port is assigned as an isolated port in a PVLAN, which network ports can it communicate with?___
A. promiscuous ports in the same PLVAN
B. isolated ports in the same PVLAN
C. all ports in the same PAVLAN at ILAR
D. all ports in the adjacent PVLAN
【单选题】
Which IPSEC mode is used to encypt traffic directly between a client and a server VPN endpoint?___
A. quick mode
B. transport mode
C. aggressive mode
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【单选题】
Which command do you enter to verify that a vpn connection is established between two endpoints and that the connection is passing traffic? ___
A. Firewall#sh crypto session
B. Firewall#debug crypto isakmp
C. Firewall#tsh crypto ipsec sa
D. Firewall#sh crypto isakmp sa
【单选题】
which type of Pvlan port allows communication from all port types?___
A. isolated
B. in -line
C. community
D. promiscuous
【单选题】
Which command do you enter to configure your firewall to conceal internal addresses?___
A. no ip directed-broadcast
B. no ip logging facility
C. no proxy-arp
D. no ip inspect audit-trial
E. no ip inspect
F. route
【单选题】
Which feature defines a campus area network? ___
A. It has a limited number of segments.
B. It has limited or restricted Internet access
C. It lacks ex1ternal connectivity.
D. It has a single geographic location
【单选题】
What technology can you use to provide data confidentiality data integrity and data origin authentication on your network?___
A. IPSec
B. Certificate Authority
C. IKE
D. Data
E. ncryption Standards
【单选题】
which standard is a hybrid protocol that uses oakley and skerne ke y exchanges is an ISAKMP framework?___
A. SHA
B. IPSec
C.
D. ES
【单选题】
What is the actual los privilege level of User Exec mode?___
A. 1
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C. 5
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【单选题】
What is the effect of the asa command crypto isakmp nat-traversal?___
A. It opens port 500 only on the out side interface
B. It opens port 500 only on the inside interface
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【单选题】
Which Fire POWER preproce ssor engine is used to prevent SYN attacks?___
A. Inline normalization
B. IP Defragmentation
C. Ports can
D. etection
【单选题】
Which NAT type allows objects or groups to reference an IP address ?___
A. identity NAt
B. static NAT
C. dynamic
D. dynamic NAT
【单选题】
Which Auto NAT policies are processed first?___
A. Dynamic NAT with longest prefix
B. Dynamic NAT with shortest prefix
C. static NAT with longest prefix
D. static NAT with shortest prefix
【单选题】
Which feature allows a dynamic Pat pool to se lect the next address in the pat pool instead of the next port of an existing address?___
A. next IP
B. round robin
C. dynamic rotation
D. NAT address rotation
【单选题】
Which IPS detection method can you use to detect attacks that are based on the attackers IP address?___
A. anomally-based
B. policy-based
C. signature-based
D. reputation-based
【单选题】
Which type of encryption technology has the broadest platform support?___
A. software
B. middleware
C. file-level
D. hardware
【单选题】
Which type of address translation supports the initiation of comm unications bidirectionally ?___
A. multi-session PAT
B. dynamic NAT
C. dynamic PAT
D. static NAT
【单选题】
Which label is given to a person who uses existing computer scripts to hack into computers while lacking the expertise to write the own?___
A. script kiddy
B. white hat hacker
C. hacktivist
D. phreaker
【单选题】
What is the primary purpose of a defined rule in an IPS?___
A. to configure an event action that takes place when a signature is triggered
B. to define a set of actions that occur when a specific user logs in to the system
C. to configure an event action that is pre-defined by the system administrator
D. to detect internal attacks
【单选题】
Which option is the default valuce for the Diffie- Hell man group when configuring a site-to-site VPn on an asa device ?___
A. Group 1
B. Group 2
C. Group 5
D. Group 7
【单选题】
Which feature filters CoPP packets?___
A. access control lists
B. class maps
C. policy maps
D. route maps
【单选题】
Which command is used in global configuration mode to enable AAA?___
A. configure-model aaa
B. configure aaa-modelA
C. aaa new-model
D. aaa
E. XEC
【单选题】
Which statement about the given configuration is true?___
A. The single-connection command causes the device to establish one connection for all TACACS
B. The single-connection command causes the device to process one TacAcs request and then move to the next server
C. The timeout com mand causes the device to move to the next server after 20 seconds of TACACS inactive
【多选题】
What are two well-known security terms?___
A. phishing//网络钓鱼
B. ransomware //勒索软件
C. BPDU guard
D. LACP
E. hair-pinning
【多选题】
Which two commands must you enter to securely archive the primary bootset of a device___
A. router(config )#secure boot-config
B. router(config)#auto secure
C. router(config)#secure boot-image
D. router(config)#service passw ord-encryption
【多选题】
Which two functions can SIEM provide ?___
A. correlation between logs and events from multiple systems
B. event aggregation that allows for reduced log storage requirements
C. proactive malware analysis to block malicious traffic
D. dual-factor authentication
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【多选题】
Which two features of Cisco Web Reputation tracking can mitigate web-based threats?___
A. buffer overflow filterin dhsuowip
B. Bayesian filters
C. web reputation filters
D. outbreak filtering
E. exploit filtering
【多选题】
What are two challenges when deploying host- level IPS? ___
A. The deployment must support multiple operating systems.
B. It is unable to provide a complete networ k picture of an attack.
C. It is unable to determine the outcome of e very attack that it detects
D. It does not provide protection for offsite computers
E. It is unable to detect fragmentation attacks
【多选题】
Which technology can be used to rate data fidelity and to provide an authenticated hash for data?___
A. file reputation
B. file analysis
C. signature updates
D. network blocking
【多选题】
Which two statements about host-based iPS solutions are true?___
A. It uses only signature-based polices
B. It can be deployed at the perimeter.
C. It can be have more restrictive policies than network-based IPS
D. it works with deployed firewall
E. It can generate alerts based on be havior at the de sto
【多选题】
When two events would cause the state table of a stateful firewall to be updated? ___
A. when a packet is evaluated against the outbound access list and is denied
B. when a con nection is created
C. when rate-limiting is applied
D. when a connection s timer has expired within the state table.
E. when an outbound packet is forwarded to the outbound interface
【多选题】
Which two characteristics apply to an intrusion Prevention System(IPS)?___
A. Cannot drop the packet on its own
B. Cabled directly inline with the flow of the network traffic
C. Runs in promiscuous mode wat
D. Does not add delay to the original traffic
E. Can drop traffic based on a set of rules
【多选题】
crypto ipsec trans form-set myset esp-md5-hmac esp-aes-256,What are two effects of the given command?___
A. It configures authentication use AES 256.
B. It configures authentication to use MD5 HMAC
C. It configures authentication use AES 256.
D. It configures encryption to ase MD5 HMAC.
E. It configures encryption to use AES 256
【多选题】
your security team has discovered a malicious program that has been harvesting the CEos email messages and the com pany 's user database for the last 6 months. What are two possible types of attacks your team discovered?___
A. social activism
B. EPolymorphic Virus
C. advanced persistent threat
D. drive-by spyware
E. targeted malware
【单选题】
以下关于数据处理的叙述中,不正确的足___。
A. :数据处理不仅能预测不久的未来,自时还能影响未
B. :数据处理和数据分析可以为决策提供真知灼见
C. :数据处理的重点应从技术角度去发现和解释数据蕴涵的意义
D. :数据处理足从现实世界到数据,冉从数据到现实世界的过程
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“互联网十制造”是实施《中国制造2025》的重要措施。以下对“互联网十制造”主要特征的叙述中,不正确的是___。
A. :数字技术得到普遍应用,设计和研发实现协同与共享
B. :通过系统集成,打通整个制造系统的数据流、信息流
C. :企业生产将从以用户为中心向以产品为中心转型
D. :企业、产品和用户通过网络平台实现联接和交互
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信息技术对传统教育方式带来了深刻的变化。以下叙述中,不正确的是___。
A. :学习者可以克服时空障碍,实现随时、随地、随愿学习
B. :给学习者提供宽松的、内容丰富的、个性化的学习环境
C. :通过信息技术与学科教学的整合,激发学生的学习兴趣
D. :教育信息化的发展使学校各学科全部转型为电子化教育
推荐试题
【单选题】
如果中央油箱出现过压,那它怎样释放压力()___
A. 释放到机外
B. 释放到通气管
C. 释放到左侧油箱
D. 释放到右侧油箱
【单选题】
如果中央油箱中两个燃油泵低压,不会出现什么警告()___
A. 谐音钟声
B. FAULT灯亮
C. CAUTION灯亮
D. WARNING灯亮
【单选题】
如果左内侧油箱中一个燃油泵低压,会出现什么警告()___
A. CAUTION灯亮
B. WARNING灯亮
C. 谐音钟声
D. FAULT灯亮
【单选题】
通气浮子valve的功用是()___
A. 防止燃油进入通气管
B. 保持油箱压力
C. 排放通气管的燃油
D. 停止加油
【单选题】
维护人员怎样得知通气油箱发生过释压()___
A. 白十字能看见
B. 白十字看不见
C. 通风口关闭
D. B+C
【单选题】
下面哪个部件受满油位传感器的控制()___
A. 左油箱燃油泵
B. 中央油箱燃油泵
C. 右油箱燃油泵
D. 加油valve
【单选题】
下面哪个油箱过压时,不会通过过压保护器朝机外释放()___
A. 中央油箱
B. 内侧油箱
C. 通气油箱
D. B+C
【单选题】
下面哪个油箱过压时,会通过过压保护器朝机外释放()___
A. 通气油箱
B. 内侧油箱
C. 中央油箱
D. A+B
【单选题】
下面哪种情况不会引起FRV关闭()___
A. 内侧油箱温度高
B. 外侧油箱温度高
C. 中央油箱温度高
D. IDG关断传感器变湿
【单选题】
压力加油控制面板的位置在()___
A. 左大翼前缘
B. 右大翼前缘
C. 左机腹整流罩
D. 右机腹整流罩
【单选题】
油箱出现渗漏时,应以多少时间标准来做检查()___
A. 5分钟
B. 10分钟
C. 15分钟
D. 20分钟
【单选题】
在发动机起动的前两分钟所使用的燃油来自于哪里()___
A. 内侧油箱
B. 中央油箱
C. 外侧油箱
D. A+B
【单选题】
在加油时,如果高油位传感器故障,怎样知道油箱燃油已加满()___
A. 加油自动停
B. 有警告声音
C. 红灯亮
D. 有燃油从通气油箱流出
【单选题】
在空中,如果外侧油箱燃油被使用,那么转换valve什么时候关闭()___
A. 飞机着陆时
B. 有一台发动机关车时
C. 双发关车时
D. 给油箱加油时
【单选题】
在哪个油箱中没有燃油泵()___
A. 内侧油箱
B. 外侧油箱
C. 中央油箱
D. 以上都不对
【单选题】
在正常情况下,飞机燃油使用的顺序是()___
A. 中央油箱→内侧油箱→外侧油箱
B. 中央油箱→外侧油箱→内侧油箱
C. 外侧油箱→内侧油箱→中央油箱
D. 内侧油箱→外侧油箱→中央油箱
【单选题】
在自动供油的方式下,如果中央油箱的燃油已耗尽,那么中央油箱的燃油泵()___
A. 自动停止
B. 人工关
C. 继续工作
D. 过热停止
【单选题】
中央油箱的通气是来自哪边的通气油箱()___
A. 左内侧油箱
B. 左通气油箱
C. 右内侧油箱
D. 左,右通气油箱
【单选题】
主燃油泵何时出现低压指示()___
A. 泵出口压力低
B. 泵进口压力低
C. 燃油泵电门在“ON”位
D. A+C
【单选题】
___
A. 供油压力下降时
B. 油泵未通电时
C. 无故障时按钮设在OFF位
D. 机翼油箱油量少于750KG
【单选题】
___
A. 机翼油箱中各有两个电动泵
B. 没有电动泵,因为油箱是空气增压
C. 机翼油箱中各有一个电动泵
D. 所有油箱中总共有两个电动泵
【单选题】
油箱中电容探头的作用是什么___
A. 测量油面
B. 测量油压
C. 测密度
D. 以上都不对
【单选题】
当内侧油箱油面低时___
A. 内油箱转换valve打开
B. 每侧大翼内,各一个溢流valve打开
C. 中央油箱的溢流valve打开
D. 中央油箱的溢流valve关闭
【单选题】
发动机低压valve由谁关闭___
A. 发动机防火按钮或方式选择按钮设在人工
B. 发动机防火按钮或中央油箱传输valve控制逻辑
C. 发动机防火按钮或发动机主电门
D. 以上都不对
【单选题】
各油箱中为何有2%的额外空间___
A. 用于冷却
B. 用于燃油膨胀不致溢出
C. 用于防火
D. 以上都不对
【单选题】
在人工串油时,哪些部件不需作动___
A. 待串入油箱加油valve
B. 被串油箱加油valve
C. 被串油箱燃油泵.
D. 以上都不对
【单选题】
燃油过滤器阻塞时发动机还有供油吗___
A. 有,用来自IDG冷却和外侧油箱管路的燃油
B. 没有
C. 有,绕过燃油过滤器(旁通valve)
D.
【单选题】
(供油)方式选择按钮控制:___
A. 中央和大翼油箱泵
B. 只是中央油箱泵
C. 只是大翼油箱泵
D. 以上都不对
【单选题】
APU的燃油由谁提供___
A. 油箱泵
B. APU燃油泵
C. 发动机燃油泵
D. AB都对
【单选题】
回油valve由谁控制___
A. FMGC
B. FADEC
C. FLSCU
D. FQC
【单选题】
A319有几种加油方式___
A. 自动加油
B. 人工加油
C. 重力加油
D. 以上都对
【单选题】
加油valve由谁控制___
A. FMGC
B. FADEC
C. FLSCU
D. FQC
【单选题】
自动(供油)方式下,中央油箱空了,中央油箱泵___
A. 必须人工关断
B. 自动停止供油,并且大翼油箱泵开始运转
C. 自动停止供油
D. 以上都不对
【单选题】
在电子警告显示上,机载油量指示呈琥珀色且被框起一半是什么意思?___
A. 所显示的油量不是完全可用
B. 油量显示降级
C. 油量可用
D. 以上都不对
【单选题】
给液压油箱加油是通过哪个勤务面板()___
A. 绿系统勤务面板
B. 黄系统勤务面板
C. 兰系统勤务面板
D. 以上都不对
【单选题】
液压系统主要用于飞机的哪些系统()___
A. 起落架
B. 发动机反推
C. 飞行控制
D. 以上都对
【单选题】
PTU电门“FAULT”灯亮,下面哪种情况出现()___
A. 油箱油量低
B. 油箱压力低
C. 回油温度高
D. 以上都对
【单选题】
PTU何时工作()___
A. 当“绿”与“黄”系统压力相差500psi以上时
B. 当货舱门操作时
C. 用电动泵打泵用于勤务
D. A+C
【单选题】
PTU在什么条件下被抑制()___
A. 第一台发动机起动时
B. 货舱门操作时
C. 只有一个系统低压
D. A+B
【单选题】
当货舱门操作时,哪个系统的渗漏计量valve会自动关闭()___
A. 绿系统
B. 兰系统
C. 黄系统
D. 以上都不对