【填空题】
42.八国联军于___年，发动了侵华战争。
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答案
1900
解析
暂无解析
相关试题
【单选题】
What is an example of social engineering？___
A. gaining access to a computer by observing the user login credentials
B. gaining access to a build through an unguarded entrance
C. gaining access to a server by using a USB stick
D. gaining access to a server room by posing as local IT
【单选题】
Which type of Layer 2 attack enables the attacker to intercept traffic that is intended for one specific recipient？___
A. BPDU attack
B. DHCP starvation I LAB
C. MAC address spoofing
D. CAM table overflow
【单选题】
Which about nested policy maps in a zone-based firewall is true ?___
A. They are limited to two leve ls in a hierarchical policy
B. Parent policies are previously defined policies that are defined by using the service policy command
C. A child policy is a new policy that uses a pre-existing policy.
D. A child policy is a new that uses a pre-existing policy
【单选题】
In which configuration do you configure the ip ospf authentication key 1 command？___
A. routing process
B. interface
C. privileged
D. global
【单选题】
Which statement about command authorization and security contexts is true？___
A. If command authorization is configured， it must be enabled on all contexts.
B. The change to command invokes a new context session with the credentials of the currently
C. AAA settings are applied on a per-context basis
D. The enable. 15 user ang admins with chang to permission ha e dfferent command authorization levels pertontext
【单选题】
Which command do you enter to enable authentication for OSPF on an interface？___
A. router（config-if）#ip ospf message-digest-key 1 md5 CIS COPASS
B. router（config-if）#ip ospf authentication message-digest
C. router（config-if）#ip ospf authentication-key CISCOPASS
D. router（config-if）#area 0 authentication message-digest
【单选题】
What feature defines a campus area network？___
A. It has a single geographic location
B. It lacks external connectivity.
C. It has a limited number of segments.
D. It has limited or restricted Internet access
【单选题】
Which type of attack most commonly involves a direct attack on a network？___
A. :phishing
B. Trojan horse
C. denial of service
D. social engineering
【单选题】
What information does the key length provide in an encryption algorithm?___
A. the cipher block size
B. the hash bloc k size
C. the number of permutations
D. the packet size
【单选题】
How do you verify TaCACS+ connectivity to a device？___
A. You successfully log in to the device by using the local credentials
B. You connect via console port and receive the login prompt.
C. You connect to the device using SSH and receive the login prompt.
D. You successfully log in to the device by using ACS credentials
【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
【单选题】
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
【单选题】
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
D. tunnel mode
【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 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
C. It opens port 4500 on all interfaces that are IPSec enabled
D. It opens port 4500 only on the out side interfac
【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
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【单选题】
(B737ng)大翼防冰电磁活门的作用是：___
A. 在地面使用大翼防冰时，让PRSOV全关
B. 在地面使用大翼防冰时，让PRSOV全开
C. 在地面使用大翼防冰时，让预冷器活门全关
D. 在地面使用大翼防冰时，让预冷器活门全开
【单选题】
(B737ng)大翼防冰系统中有一个地面过热电门,此电门在多少温度时闭合? ___
A. A. 1600F
B. B. 2570F
C. C. 1550F
D. D. 4000F
【单选题】
(B737ng)关于窗加温,以下说法不对的是:___
A. A 共有4个加温控制器在E3
B. B. 只有左右1,2,4,5号窗加温
C. C. 做完WINDOW HEAT “OVHT”测试后, “OVERHEAT”灯仍亮
D. D. 1,2,4,5号窗加温的控制是完全一样的
【单选题】
(B737ng)关于驾驶舱风挡防水涂层，下面说法错误的是：___
A. 防水涂层损坏不必要更换驾驶舱玻璃，可以重新喷涂
B. 防水涂层只在驾驶舱一号玻璃上才有，其他的玻璃没有
C. 防水涂层很软，如果出现损坏，需要用研磨料打磨掉，重新喷涂
D. 要调节风挡雨刮有合适的力，过大的力会使雨刮损害防水涂层
【单选题】
(B737ng)关于南航737NG飞机3号窗加温说法正确的是___
A. 737NG没有3号窗的加温
B. 737-700有
C. 737-800有
D. 737-800有效性在201-999的飞机有
【单选题】
(B737ng)关于水结冰防护，下列说法错误的是：___
A. 水结冰可能导致结构损坏
B. 厕所排放防冰需要电源
C. 在无电源结冰气象条件下停泊飞机须排空水系统
D. 排放饮用水系统无须拔任何跳开关
【单选题】
(B737ng)在下面何种情况下，“发动机防冰活门打开灯”（COWL VALVE OPEN）会明亮：___
A. 发动机防冰电门在开位，发动机防冰活门在开位
B. 发动机防冰电门在关位，发动机防冰活门在关位
C. 发动机防冰电门在关位，发动机防冰活门在开位
D. 发动机防冰电门失效
【单选题】
(B737ng)737NG增加了一个电门，机务维护更方便，该电门是___
A. 在主电子舱有一个电门可以对1号窗的主和备用温度传感器进行转换
B. 在驾驶舱有一个电门可以对1号窗的主和备用温度传感器进行转换
C. 在主电子舱有一个电门可以对2号窗的主和备用温度传感器进行转换
D. A&C对
【单选题】
(B737ng)把发动机的放冰电门放在ON位，以下哪一现象不会发生：___
A. 28V DC电流送到放冰电磁活门
B. 给EEC一个开路的离散信号（控制低慢）
C. 给FMC一个开路的离散信号（控制引气负载的供油计划的偏置）
D. 给FCC一个信号，让飞机加速
【单选题】
(B737ng)大翼防冰系统的指示灯气(R)VALVE OPEN,灯在什麽时候,东亮? ___
A. A． 防冰控制门在0N位,活门在关位
B. B． 防冰控制电门在0N位,活门正在打开.
C. C． 防冰控制电门在ON位,活门在打开位.
D. D． 防冰控制电门在OFF位，活门在关闭位.
【单选题】
(B737ng)对于驾驶舱窗加温系统，737NG增加了一个电门，机务维护更方便，该电门是：___
A. 在主电子舱有一个电门可以对1号窗的主和备用温度传感器进行转换
B. 在驾驶舱有一个电门可以对1号窗的主和备用温度传感器进行转换
C. 在主电子舱有一个电门可以对2号窗的主和备用温度传感器进行转换
D. A&C对
【单选题】
(B737ng)对于水和废水的排放加热的说法正确的是: ___
A. 废水排放杆的加热一直是用28V交流电源.
B. 废水排放杆和周所排放口的加我都是用115V交流电
C. 废水排放杆的加热与飞机的空地状态有关.
D. 厕所排放口的加热受空地继电器控制.
【单选题】
(B737ng)防雨剂瓶的容量,瓶内增压的压力,及每次喷撒的剂量各是多少? ___
A. A. 500CC,40~80PSI,10CC
B. B. 550CC,40~80PSI,5CC
C. C. 550CC,100~120PSI,5CC
D. D. 10CC,40~80PSI,5CC
【单选题】
(B737ng)关于窗加温,以下说法对的是:___
A. A 共有4个加温控制器在E3
B. B. 只有左右1,2,4,5号窗加温
C. C. 做完WINDOW HEAT “OVHT”测试后, “OVERHEAT”灯仍亮,需要复位
D. D. 1,2,4,5号窗加温的控制是完全一样的
【单选题】
(B737ng)驾驶舱玻璃周围有一圈气动封严，其作用是：___
A. 提供气动封严，防止水汽进入玻璃内部，引起玻璃组件故障
B. 只是提供气动封严，减少空气阻力
C. 防止驾驶舱空气渗漏
D. 防止外界空气进入飞机
【单选题】
(B737ng)如果在驾驶舱中央显示器发动机参数的上方显示黄色的TAI指示，则：___
A. 相应的“发动机防冰活门打开灯”（COWL VALVE OPEN）会保持明亮
B. 相应的发动机防冰活门在开位
C. 相应的发动机防冰活门在关位
D. 相应的发动机防冰活门在运动中
【单选题】
(B737ng)如果在驾驶舱中央显示器发动机参数的上方显示黄色的TAI指示，则：___
A. 相应的“发动机防冰活门打开灯”（COWL VALVE OPEN）会明亮
B. 相应的发动机防冰活门在开位
C. 相应的发动机防冰活门在关位
D. 相应的发动机防冰活门在运动中
【单选题】
(B737ng)在地面的情况下，利用发动机引气进行大翼防冰：___
A. 为了防止大翼前缘过热，防冰活门会在半开位
B. 为了防止大翼前缘过热，防冰活门会在关闭位
C. 为了防止大翼前缘过热，发动机引气系统的PRSOV会在半开位
D. 为了防止大翼前缘过热，发动机引气预冷器风扇活门会在全开位
【单选题】
(B737ng)737NG的液压油量显示在哪里___
A. P1板的一个独立的表
B. 下中CDS显示器系统页面
C. 下中CDS显示器（次发动机显示）
D. 上中CDS显示器（主发动机显示）
【单选题】
(B737ng)动力转换组件（PTU）安装在：___
A. 主轮仓的龙骨梁上，备用油箱的前面。
B. 左翼很，起落架支撑梁的外侧。
C. 后仓壁板上的右冲压空气管道区域处。
D. 后仓壁板上的左冲压空气管道区域处。
【单选题】
(B737ng)给液压A系统的提供压力的部件是：___
A. 两个发动机驱动泵。
B. 两个电动马达驱动泵。
C. 一个发动机驱动泵和一个电动马达驱动泵。
D. 一个发动机驱动泵，一个电动马达驱动泵和作为后备的动力转换组件（PTU）。
