【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
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相关试题
【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？___
【单选题】
What is the actual los privilege level of User Exec mode？___
【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
【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
E. centralized firewall management
【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
【单选题】
“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
推荐试题
【单选题】
谁对机组成员遵守飞行基本规则负责：___
A. 民航局及其地区管理局
B. 航空单位负责人
C. 机长
【单选题】
多旋翼飞行器有哪些用途：①紧急救灾②军用侦查③警用监视③娱乐⑤广电行业：___
【单选题】
颁发国内三个层次航空法规的部门分别是①全国人大或全国人大常委会②国务院、中央军委③民航局④民航地区管理局：___
【单选题】
部分多旋翼飞行器螺旋桨加有外框，其主要作用是___
A. 增加外形的美观
B. 防止磕碰提高安全性
C. 提高螺旋桨效率
【单选题】
下列说法中，哪一种对无人机教员合格证申请人的要求是必须的：___
A. 在所申请的无人机上担任机长经历时间多于100小时
B. 在所申请的无人机上飞行经历不少于100小时
C. 具备无人机应急处理程序方面的技术
【单选题】
采用上下共轴反转的两组旋翼用来平衡旋翼反扭矩：___
A. 单旋翼带尾桨直升机
B. 共轴式直升机
C. 单旋翼无尾桨直升机
【单选题】
多旋翼飞行器前飞时，单个旋翼：___
A. 前行桨叶相对气流速度大于后行将叶相对气流速度
B. 前行桨叶相对气流速度小于后行将叶相对气流速度
C. 前行桨叶相对气流速度等于后行将叶相对气流速度
【单选题】
多旋翼飞行器的螺旋桨：___
A. 桨根处安装角等于桨尖处安装角
B. 桨根处安装角小于桨尖处安装角
C. 桨根处安装角大于桨尖处安装角
【单选题】
绕多旋翼飞行器立轴的是什么运动：___
【单选题】
多旋翼飞行器GPS天线应尽量安装在___
A. 飞行器尾部
B. 飞行器顶部
C. 飞行器中心
【单选题】
民用航空器的适航管理由______负责___
【单选题】
某螺旋桨是正桨，是指：___
A. 从飞行器下方观察，该螺旋桨逆时针旋转
B. 从飞行器上方观察，该螺旋桨逆时针旋转
C. 从飞行器上方观察，该螺旋桨顺时针旋转
【单选题】
民用航空器在管制空域内飞行：___
A. 可以按VF自由飞行
B. 必须取得空中交通管制单位的许可
C. 可以自由飞行
【单选题】
下面说法正确的是：___
A. 多旋翼飞行器的反扭矩通过两两互相平衡
B. 一般来讲，多旋翼飞行器反扭矩的数值是比较大的
C. 多旋翼飞行器在稳定垂直上升时，所有旋翼总的反扭矩之和增加
【单选题】
当多旋翼飞行器地面站出现飞行器电压过低报警时，第一时间采取的措施不包括：___
A. 一键返航
B. 控制姿态，逐渐降低高度，迫降至地面
C. 迅速将油门收到0
【单选题】
多旋翼飞行器使用的电调通常被划分为：___
A. 直流电调和交流电调
B. 有刷电调和无刷电调
C. 有极电调和无极电调
【单选题】
在融合空域3000米以下运行的Ⅺ类无人机驾驶员，应至少持有：___
A. 运动或私用驾驶员执照
B. 商用驾驶员执照
C. 航线运输驾驶员执照
【单选题】
航空器使用航路和航线应当经______同意___
A. 中国人民解放军空军
B. 负责该航路和航线的飞行管制部门
C. 空中交通管理局下属的区域管制单位
【单选题】
使用多旋翼飞行器在低温及潮湿环境中作业时的注意事项，不包括：___
A. 起飞前动力电池的保温
B. 飞行器与摄像器材防止冰冻
C. 曝光偏差
【单选题】
无人机系统中，起降操作手一般不参与哪个阶段控制： ___
【单选题】
多旋翼飞行器每个轴上，一般连接：___
A. 1个电调，1个电机
B. 2个电调，1个电机
C. 1个电调，2个电机
【单选题】
同一架多旋翼飞行器，在同样做好动力匹配的前提下：___
A. 两种桨效率一样高
B. 三叶桨效率高
C. 两叶桨效率高
【单选题】
在飞行中遇到飞机积冰时，驾驶员应注意： ___
A. 保持飞行高度和平飞姿态，尽快脱离积冰区
B. 及时有力地修正飞行姿态的偏差
C. 调整飞机马力，严格保持飞行高度和速度
【单选题】
多旋翼飞行器动力系统主要使用：___
A. 内转子电机
B. 外转子电机
C. 步进电机
【单选题】
如不考虑结构、尺寸、安全性等其它因素，单纯从气动效率出发，同样起飞重量的8轴飞行器与4轴飞行器：___
A. 4轴效率高
B. 效率一样
C. 8轴效率高
【单选题】
某多轴电机标有500KV字样，意义是指：___
A. 电机最大耐压500KV
B. 对应每V电压，电机提供500转转速
C. 对应每V电压，电机提供500000转转速
【单选题】
据统计，无人机系统事故60%以上发生在： ___
【单选题】
_______ 主要包括起飞场地标注、着陆场地标注、应急场地标注，为操作员提供发射与回收以及应急迫降区域参考。___
A. 场地标注
B. 任务区域标注
C. 警示标注
【单选题】
任何单位或个人设计民用航空器，应当向民航局申请：___
【单选题】
在大气层内，大气压强：___
A. 随高度增加而增加
B. 在不同温度层内随高度增加保持不变
C. 随高度增加而减小
【单选题】
在融合空域运行的Ⅻ类无人机机长，应至少持有：___
A. 航线运输驾驶员执照
B. 私照
C. 运动执照
【单选题】
在山地背风坡中的下降气流中飞行时，除造成飞机掉高度外，还可造成严重的危害的原因是：___
A. 地速减小
B. 空速表误差增大
C. 气压式高度表读数高于实际高度
【单选题】
以下哪种动力电池放电电流最大：___
A. 30000mAh，5C
B. 20000mAh，5C
C. 2Ah，30C
【单选题】
飞行中的多旋翼飞行器所承受的力和力矩不包括：___
A. 旋翼的反扭矩和桨叶力矩
B. 旋翼桨叶的铰链力矩
C. 自身重力
【单选题】
某多轴电机转速为3000转，是指：___
A. 每秒钟3000转
B. 每小时3000转
C. 每分钟3000转
【单选题】
发生在低层的风切变严重影响航空器的起降，将发生在这一层中的风切变称为低空风切变。低空风切变距地面一般约： ___
【单选题】
多旋翼飞行器螺旋桨从结构上说，更接近于：___
A. 风力发电机叶片
B. 直升机旋翼
C. 固定翼飞机螺旋桨
