【单选题】
What aims to remove the abil ity to deny an action?___
A. Non-Repudiation
B. Accountability
C. Integrity
D. Deniability
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相关试题
【单选题】
Which statements about the native VLAN is true ?___
A. It is susceptible to VLAN hopping attacks.
B. It is the Cisco recommended VLAN for switch-management traffic
C. It is most secure when it is a ssigned to vLAn 1.
D. It is the cisco-recomme nded vlan for user traffic
【单选题】
There are two versions of IKE:IKEv1 and IKEv2. Both IKEv1 and IKEv2 protocols operate in phases IKEv1 operates in two phases. IKEv2 operates in how many phases?___
A. 2
B. 3
C. 4
D. 5
【单选题】
What does the dh group refer to?___
A. length of key for hashing C
B. length of key for encryption
C. tunnel lifetime key
D. length of key for key exchange
E. length of key for authentication
【单选题】
Which path do you follow to enable aaa through the SDM ?___
A. Configure Tasks > AAA
B. Configure > Addition Authentication > AAA
C. Configure > AAA
D. Configure > Additional Tasks > AAA
E. Configure Authentication > AAA
【单选题】
which technology cloud be used on top of an MPLS VPN to add confidentiality ?___
A. IPsec
B. 3DES
C. AES
D. SSL
【单选题】
Which term is most closely aligned with the basic purpose of a SIEM solution? ___
A. Non-Repudiation
B. Accountability
C. Causality
D. Repudiation
【单选题】
You have just deployed SNMPv3 in your environment, Your manager asks you to make sure that our SNMP agents can only talk to the SNMP Manager. What would you configure on your SNMI agents to satisfy this request?___
A. A SNMP View containing the SNMP managers
B. Routing Filter with the SNMP managers in it applied outbound
C. A standard ACL containing the SNMP managers applied to the SNMP configuration
D. A SNMP Group containing the SNMP managers
【单选题】
Which feature prevents loops by moving a nontrunking port into an errdisable state when a BPDU is received on that port?___
A. BPDU filte
B. DHCP snooping
C. BPDU guard
D. Port Fast
【单选题】
Which command enables port security to use sticky MAC addresses on a switch?___
A. switchport port-security violation restrict
B. switchport port-security mac-address sticky
C. switchport port-security violation protect
D. switchport port-security
【单选题】
When you edit an IPS subsignature, what is the effect on the parent signature and the family of subsignatures?___
A. The change applies to the parent signature and the entire family of subsignatures
B. The change applies to the parent signature and the subsignature that you edit
C. The change applies only to subsignatures that are numbered sequentially after the subsignature that you edit
D. Other signatures are unaffected, the change applies only to the subsignature that you dit
【单选题】
Which type of mechanism does Cisco FirePOWER de ploy to protect ag detected moving across other networks?___
A. antivirus scanning
B. policy-based
C. reputation-based
D. signature-based
【单选题】
What action must you take on the ise to blacklist a wired device?___
A. Locate the switch through which the device is connected and push an a cl restricting all access by the device
B. Issue a CoA request for the de vice's mac address to each access switch in the network
C. Revoke the device's certificate so it is unable to authenticate to the network
D. Add the device's MAc address to a list of black listed devices
【单选题】
Which type of firewall can perform deep packet inspection?___
A. packet-filtering firewall
B. stateless firewall
C. application firewall
D. personal firewall
【单选题】
What is the main purpose of Control Plane Policing?___
A. to prevent exhaustion of route-proce ssor resources
B. to organize the egress packet queues
C. to define traffic classes
D. to maintain the policy map
【单选题】
Which attack can be prevented by OSPF authentication?___
A. smurf attack
B. IP spoofing attack
C. denial of service attack
D. buffer overflow attack
【单选题】
What is the best definition of hairpinning?___
A. ingress traffic that traverses the outbound interface on a device
B. traffic that enters one interface on a device and that exits through another interface
C. traffic that enters and exits a device through the same interface
D. traffic that tunnels through a device interface
【单选题】
Which SNMPv3 security level provides authentication using HMAC with MD5, but does not use encryption?___
A. authPriv
B. authNo Priv
C. noAuthNoPriv
D. NoauthPriv
【单选题】
You have implemented a dynamic blacklist, using security intelligence to block illicit network activity. However, the blacklist contains several approved connections that users must access for usiness pur poses. Which action can you take to retain the blacklist while allowing users to access the approve d sites?___
A. Create a whitelist and manually add the approved addresses.
B. Disable the dynamic blacklist and deny the specif ic address on a whitelist while permitting the others
C. Edit the dynamic blacklist to remove the approved addresses
D. Disable the dynamic blacklist and create a static blacklist in its place
【单选题】
When connecting to an external resource,you must change a source IP address to use one IP address from a range of 207.165.201.1 to 207.165.1.30. Which option do you implement ?___
A. dynamic source NAT that uses an IP ad dress as a mapped source
B. static destination NAT that uses a subnet as a real de stination
C. dynamic source NAT that uses a range as a mapped source
D. static destination NAT that uses a subnet as a real source
【单选题】
Refer to the exhibit. 【nat(ins,any)dynamic interface】Which ty pe of NaT is configured on a Cisco ASA?___
A. dynamic NAT
B. source identity NAT
C. dynamic PAT
D. identity twice NAT
【单选题】
Which mitigation technology for web-based threats prevents the removal of confidential data from the network?___
A. CTA
B. DCA
C. AMP
D. DLP
【单选题】
Refer to the exhibit. What is the effect of the given configuration?___
A. It establishes the preshared key for the switch
B. It establishes the preshared key for the firewall.
C. It establishes the preshared key for the Cisco ISE appliance
D. It establishes the preshared key for the router.
【多选题】
What are two major considerations when choosing between a SPAN and a TAP when plementing IPS?___
A. the type of analysis the iS will perform
B. the amount of bandwidth available
C. whether RX and TX signals will use separate ports
D. the way in which media errors will be handled
E. the way in which dropped packets will be handled
【多选题】
What are two direct-to-tower methods for redirecting web traffic to Cisco Cloud Web Security?___
A. third-party proxies
B. Cisco Catalyst platforms
C. Cisco NAC Agent
D. hosted PAC files
E. CiSco ISE
【多选题】
Which three descriptions of RADIUS are true? ___
A. It uses TCP as its transport protocol.
B. Only the password is encrypted
C. It supports multiple transport protocols
D. It uses UDP as its transport protocol
E. It combines authentication and authorization
F. It separates authentication,authorization,and accounting
【多选题】
Which two configurations can prevent VLAN hopping attack from attackers at VLAN 10?___
A. using switchport trunk native vlan 10 command on trunk ports
B. enabling BPDU guard on all access ports
C. creating VLAN 99 and using switchport trunk native vlan 99 command on trunk ports
D. applying ACl between VLAN
E. using switchport mode access command on all host ports
F. using switchport nonegotiate command on dynamic desirable ports
【多选题】
What are two features of transparent firewall mode ___
A. It conceals the presence of the firewall from attackers
B. It allows some traffic that is blocked in routed mode
C. It enables the aSA to perform as a router.
D. It acts as a routed hop in the network.
E. It is configured by default
【多选题】
Which two models of A sa tend to be used in a data center?___
A. 5555X
B. 5585X
C. ASA service module
D. 5512X
E. 5540
F. 5520
【多选题】
Which two statements about hardware-based encrption are true?___
A. It is widely accessible
B. It is potentially easier to compromise than software-based encryption. It requires minimal configuration
C. It requires minimal configuration
D. It can be implemented without impacting performance
E. It is highly cost-effective
【多选题】
In which two modes can the Cisco We b Security appliance be de ployed?___
A. as a transparent proxy using the Secure Sockets Layer protocol
B. as a transparent proxy using the Web Cache Communication Protocol
C. explicit proxy mode
D. as a transparent proxy using the Hyper Text Transfer Protocol
E. explicit active mode
【单选题】
1.三相刀开关的图形符号与交流接触器的主触点符号是___。
A. 一样的
B. 可以互换
C. 有区别的
D. 没有区别
【单选题】
2.刀开关的文字符号是___。
A. QS
B. SQ
C. SA
D. KM
【单选题】
3.行程开关的文字符号是___。
A. QS
B. SQ
C. SA
D. KM
【单选题】
4.交流接触器的文字符号是___。
A. QS
B. SQ
C. SA
D. KM
【单选题】
5.熔断器的作用是___。
A. 短路保护
B. 过载保护
C. 失压保护
D. 零压保护
【单选题】
6.热继电器的作用是___。
A. 短路保护
B. 过载保护
C. 失压保护
D. 零压保护
【单选题】
7.交流接触器的作用是可以___接通和断开负载。
A. 频繁地
B. 偶尔
C. 手动
D. 不需
【单选题】
8.三相异步电动机的启停控制线路由电源开关、熔断器、___、热继电器、按钮等组成。
A. 时间继电器
B. 速度继电器
C. 交流接触器
D. 漏电保护器
【单选题】
9.三相异步电动机的启停控制线路中需要有___、过载保护和失压保护功能。
A. 短路保护
B. 超速保护
C. 失磁保护
D. 零速保护
【单选题】
10维修电工以___、安装接线图和平面布置图最为重要。
A. 电气原理图
B. 电气设备图
C. 电气安装图
D. 电气组装图
推荐试题
【单选题】
在各类工程爆破中炸药爆炸产生的能量有很大一部分消耗在药包周围介质的___以及爆破有害效应的转化中。
A. 振动
B. 飞散
C. 产生气体
D. 过度粉碎
【单选题】
临时存放爆破器材的船只,在存放爆破器材的船舱里,应使用移动式蓄电池提灯或___照明。
A. 蜡烛
B. 打火机
C. 安全手电筒
【单选题】
检验爆破器材应在自然温度条件下进行,低温不低于零下30℃,高温不高于___℃。
A. 50
B. 40
C. 30
【单选题】
储存库内爆破器材堆垛之间应留有___m以上的检查通道。
A. 0.4
B. 0.5
C. 0.6
【单选题】
民爆库房的内层门应该采用加装___的通风栅栏门。
A. 纱网
B. 尼龙网
C. 金属网
【单选题】
对导爆索外观检查的样本量是从每10000m中任取50m(1卷);检查数量是___m。
A. 30
B. 40
C. 50
【单选题】
用溶解法销毁黑火药时,___丢入河塘江湖及下水道中。
A. 可以
B. 不应直接
C. 在安全的情况下,可以
【单选题】
在竖井、斜井运输爆破器材时,运送前要通知卷扬司机和___。
A. 安全员
B. 信号工
C. 作业班长
【单选题】
采用爆炸法销毁导爆索时,一次销毁导爆索的长度不宜超过___m,而且要与其它爆炸物品分开销毁。
A. 500
B. 800
C. 1000
【单选题】
报警值班室应当安装值班报警电话并保持___小时畅通。
A. 8
B. 16
C. 24
【单选题】
爆破员、安全员、保管员的文化程度应在___以上。
A. 小学
B. 初中
C. 高中
【单选题】
根据史料记载,黑火药传入欧州后,___首先将黑火药用于开采矿石。
A. 美国人
B. 德国人
C. 匈牙利人
【单选题】
爆破作业人员违反国家有关标准和规范的规定实施爆破作业的,由公安机关责令限期改正,情节严重的,___《爆破作业人员许可证》。
A. 暂扣
B. 没收
C. 吊销
【单选题】
手持机系统由手持机、lC卡和___组成。
A. 条码
B. U盘
C. 密码
【单选题】
未经公安机关许可,任何单位或者个人不得从事___活动。
A. 民用爆炸物品生产
B. 民用爆炸物品销售
C. 爆破作业
【单选题】
下列哪些人员属于爆破作业人员?___
A. 爆破员
B. 押运员
C. 库房值班员
【单选题】
经由道路运输民用爆炸物品的,要严格执行《民用爆炸物品运输许可证》“___”的规定。
A. 一车一证一次使用
B. 一证一车多次使用
C. 一证一车一次使用
【单选题】
民用爆炸物品的装载应符合国家有关标准和规范,车厢内不得___。
A. 载人
B. 装载炸药
C. 装载雷管
【单选题】
购买单位向公安机关回缴运输证的同时,利用___将购买入库数据向公安机关上报。
A. 门卡
B. 专用IC卡
C. 银行卡
【单选题】
爆破作业单位聘用无资格人员从事爆破作业或爆破器材管理的,可由公安机关对单位处___的罚款。
A. 10万元以上
B. 10万元以上50万元以下
C. 50万元以下
【单选题】
爆炸是一种非常迅速的___或化学的变化过程
A. 生物
B. 物理
C. 机械
D. 化学
【单选题】
爆热是炸药爆炸作功的___指标。
A. 质量
B. 衡量
C. 相对
D. 能量
【单选题】
电子雷管采用一个微型___取代普通电雷管中的化学延期药及电点火元件。
A. 电子元件
B. 电路
C. 电子芯片
D. 网路
【单选题】
同一电起爆网路中,应使用___的电雷管。
A. 同厂、同批
B. 同批、同型号
C. 同厂、同批、同型号
D. 同厂、同型号
【单选题】
铵油炸药由___和燃料油组成。
A. 炭酸钙
B. 工业用盐
C. 硝酸铵
D. 石灰
【单选题】
按炸药的组成,可将炸药分成___和混合炸药两大类。
A. 单质炸药
B. 优质炸药
C. 复合炸药
D. 自制炸药
【单选题】
混合炸药的组分一般含有以下三种:___、可燃物和附加物。
A. 氧化剂
B. 试剂
C. 添加剂
D. 除湿剂
【单选题】
导爆管起爆后也有一段爆轰增长期,这个距离通常为___。
A. 50~60cm
B. 40~50cm
C. 30~40cm
D. 20~30cm
【单选题】
电雷管的安全电流是指通以恒定的直流电流___不使电雷管爆炸的最大电流。
A. 5分钟
B. 7分钟
C. 9分钟
D. 11分钟
【单选题】
常用的多孔粒状铵油炸药由多孔粒状硝酸铵和柴油组成,其中硝酸铵占___,柴油占5.0%~6.0%。
A. 94.0%~95.0%
B. 92.0%~93.0%
C. 93.0%~94.0%
D. 95.0%~96.0%
【单选题】
一般深孔爆破采用耦合装药,光面爆破、预裂爆破采用___。
A. 不耦合装药
B. 耦合装药
C. 混合装药
D. 均匀装药
【单选题】
在有瓦斯、煤尘、矿尘爆炸危险的地方,只准选用___起爆器。
A. 防爆型
B. 高能型
C. 普通型
D. 岩石型
【单选题】
在竖井井底工作面无瓦斯时,可使用其它电源起爆。此时,电压不得超过___伏,且必须有防爆型电力起爆接线盒。
A. 127
B. 220
C. 300
D. 380
【单选题】
聚能切割是利用特殊___聚集爆炸能量来提高爆破的局部效果。
A. 炸药
B. 雷管
C. 装药结构
D. 形状
【单选题】
桩井爆破掘进深度3m以内时应按露天浅孔控制爆破的要求进行___。
A. 装药
B. 钻孔
C. 填塞
D. 防护和警戒
【单选题】
在两个平行巷道掘进中,当间距小于___时,如果一个工作面需要进行爆破,应通知相邻巷道的全体人员撤至安全地点。
A. 10m
B. 15m
C. 25m
D. 20m
【单选题】
以下描述中哪个是描述拒爆的?___
A. 雷管和炸药都没有爆炸
B. 雷管引爆了炸药
C. 炸药在传爆过程中熄灭了,孔底留有残药
D. 炸药在地下爆出了一个大坑
【单选题】
高温爆破是指炮孔温度在___以上的爆破作业。
A. 50℃
B. 60℃
C. 70℃
D. 80℃
【单选题】
桩井爆破掘进超过3m后立即进行井口的覆盖防护,此时的安全警戒距离不宜小于___。
A. 30m
B. 40m
C. 50m
D. 60m
【单选题】
在拆除爆破作业敷设起爆网路时应由有经验的爆破员或爆破工程技术人员实施___作业制,一人操作,另一人检查监督。
A. 同步
B. 联合
C. 合成
D. 双人