【多选题】
Which two are considered basic security principles?___
A. Accountability
B. Redundancy
C. High Availabilit
D. Integrity
E. Confidentiality
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相关试题
【多选题】
Which two roles of the Cisco WSA are true?___
A. IPS
B. firewall
C. antispam
D. web proxy
E. URL filter
【单选题】
Which next-generation encryption algorithm supports four variants?___
A. SHA-2
B. SHA-1
C. MD5
D. HMAC
【单选题】
What aims to remove the abil ity to deny an action?___
A. Non-Repudiation
B. Accountability
C. Integrity
D. Deniability
【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
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C. 65
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禁止用___作为风动工具的气源。
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B. 氦气
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【单选题】
每作业___小时,应将液气分离器、中间冷却器、后冷却器内的油水排放一次。贮气罐内的油水每班应排放1次~2次。
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【单选题】
安全工器具包括防止触电、灼伤、坠落、摔跌、中毒、窒息、火灾、雷击、淹溺等事故或职业危害,保障___的个体防护装备、绝缘安全工器具、登高工器具、安全围栏(网)和标志牌等专用工具和器具的管理应符合《国家电网公司电力安全工器具管理规定》[国网(安监)/4)2892014]。
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B. 管理人员安全
C. 其他人员安全
D. 工器具安全
【单选题】
关于安全工器具说法正确的是___。
A. 安全工器具应由使用者管理
B. 安全工器具不得接触高温、明火、化学腐蚀物及尖锐物体,可移作他用
C. 安全工器具每次使用前,应进行常规性检查
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【单选题】
不符合安全工器具报废条件的有___。
A. 经试验或检验不符合国家或行业标准的
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C. 超过有效使用期限,不能达到有效防护功能指标的
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【单选题】
关于安全帽说法错误的有___。
A. 使用期从产品制造完成之日起计算
B. 塑料安全帽使用期不得超过两年半
C. 玻璃钢(维纶钢)橡胶帽不超过3年半
D. 使用期满后,要进行抽查测试合格后方可继续使用,抽检时,每批从最严酷使用场合中抽取,每项试验试样不少于3顶,以后每年抽检一次
【单选题】
可以作为挂安全带的物件有___。
A. 隔离开关(刀闸)
B. 支持绝缘子
C. 瓷横担
D. 经固定的线路支柱绝缘子
【单选题】
个人保安线应用多股软铜线,其截面不得小于___mm2;保安线的绝缘护套材料应柔韧透明,护层厚度大于1mm。
A. 16
B. 17
C. 18
D. 19
【单选题】
关于绝缘杆说法错误的有___。
A. 非雨雪型电容型验电器不得在雷、雨、雪等恶劣天气时使用
B. 手柄与绝缘杆、绝缘杆与指示器的连接应紧密牢固
C. 验电器的规格应符合被操作设备的电压等级
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梯子应放置稳固,梯脚要有___装置。
A. 绝缘
B. 防水
C. 防摔
D. 防滑
【单选题】
梯子与地面的夹角应为___左右,作业人员应在距梯顶1m以下的梯蹬上作业。
A. 30°
B. 45°
C. 60°
D. 90°
【单选题】
组立___kV及以上电压等级线路的杆塔时,不得使用木抱杆。
A. 35
B. 110
C. 220
D. 500
【单选题】
钢制锚体的加强筋或拉环等焊接缝有裂纹或变形时应___,木质锚体应使用质地坚硬的木料。发现有虫蛀、腐烂变质者禁止使用。
A. 重新焊接
B. 继续使用
C. 直接废弃
D. 加倍使用
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临时设置地锚,采用埋土地锚时,地锚绳套引出位置应开挖马道,马道与受力方向应___。
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B. 一致
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A. 次要
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C. 主要
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组塔过程中,吊件垂直___不得有人。
A. 上方
B. 下方
C. 前方
D. 后方
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组塔过程中,在受力钢丝绳的___侧不得有人。
A. 外角
B. 内角
C. 前方
D. 后方
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___在杆塔上有人时,通过调整临时拉线来校正杆塔倾斜或弯曲。
A. 严禁
B. 可以
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D. 禁止
【单选题】
组立的杆塔不得用临时拉线固定过夜。需要过夜时,应对临时拉线采取___。
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B. 防雷措施
C. 保护措施
D. 安全措施
【单选题】
组塔过程中,攀登高度___m以上铁塔宜沿有护笼的爬梯上下。如无爬梯护笼时,应采用绳索式安全自锁器沿脚钉上下。
A. 60
B. 70
C. 80
D. 90
【单选题】
组塔过程中,铁塔高度大于___m时,组立过程中抱杆顶端应设置航空警示灯或红色旗号。
A. 70
B. 80
C. 90
D. 100
【单选题】
组塔过程中,拆除抱杆应采取防止拆除段自由倾倒的措施,且宜___拆除。不得提前拧松或拆除部分抱杆分段连接螺栓。
A. 全段
B. 整段
C. 分别
D. 分段
【单选题】
索道运行速度应根据所运输物件的重量,调整发动机转速。载重小车通过支架时,牵引速度应___,通过支架后方可正常运行。
A. 加速
B. 缓慢
C. 匀速
D. 平稳
【单选题】
索道运行时发现有卡滞现象应停机检查。对于任一监护点发出的停机指令,均应___,等查明原因且处理完毕后方可继续运行。
A. 继续使用
B. 立即停机
C. 边观察边使用
D. 继续观察
【单选题】
牵引设备卷筒上的钢索至少应缠绕___圈。牵引设备的制动装置应经常检查,保持有效的制动力。
A. 3
B. 4
C. 5
D. 6
【单选题】
索道禁止超载使用,禁止载___。
A. 物品
B. 人
C. 设备
D. 工器具
【单选题】
线路专用货运索道,遇有雷雨、___级及以上大风等恶劣天气时不得作业。
A. 四
B. 五
C. 六
D. 七
【单选题】
杆塔组装时,抱杆规格应根据___计算确定。
A. 电压等级
B. 场地面积
C. 荷载
D. 起重机载重
【单选题】
塔上组装,高处作业人员应站在___或其他安全位置,且安全防护用具已设置可靠后方准作业。
A. 塔身外侧
B. 塔身内侧
C. 塔身顶部
D. 节点外侧
【单选题】
横担吊装未达到设计位置前,杆上不得有___。
A. 人
B. 设备
C. 工器具
D. 易燃易爆品
【单选题】
抱杆承托绳应绑扎在主材___的上方。承托绳与主材连接处宜设置专门夹具,夹具的握着力应满足承托绳的承载能力。
A. 节点
B. 水平材
C. 横隔面
D. 夹具
【单选题】
内悬浮内(外)拉线抱杆分解组塔,提升抱杆宜设置___道腰环,且间距不得小于5m。
A. 一
B. 两
C. 三
D. 四
【单选题】
抱杆长度超过___m以上一次无法整体起立时,多次对接组立应采取倒装方式,禁止采用正装方式对接组立悬浮抱杆。
A. 10
B. 15
C. 20
D. 30