【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
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答案
D
解析
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相关试题
【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
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【单选题】
Which type of firewall can perform deep packet inspection?___
A. packet-filtering firewall
B. stateless firewall
C. application firewall
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【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
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【单选题】
Which attack can be prevented by OSPF authentication?___
A. smurf attack
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【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.
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【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
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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
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C. Cisco NAC Agent
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【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
【单选题】
11.熔断器的额定电压应___线路的工作电压。
A. 远大于
B. 不等于
C. 小于等于
D. 大于等于
【单选题】
12.对于电阻性负载,熔断器熔体的额定电流___线路的工作电流。
A. 远大于
B. 不等于
C. 等于或略大于
D. 等于或略小于
【单选题】
13.对于电动机负载,熔断器熔体的额定电流应选电动机额定电流的___倍。
A. 1~1.5
B. 1.5-2.5
C. 2.0~3.0
D. 2.5~3.5
【单选题】
14.使用快速熔断器时,一般按___来选择。
A. IN=1.03IF
B. IN=1.57IF
C. IN=2.57IF
D. IN=3IF
【单选题】
15.断路器中过电流脱扣器的额定电流应该大于等于线路的___。
A. 最大允许电流
B. 最大过载电流
C. 最大负载电流
D. 最大短路电流
【单选题】
16.短路电流很大的电气线路中宜选用___断路器。
A. 塑壳式
B. 限流型
C. 框架式
D. 直流快速
【单选题】
17.一般电气控制系统中宜选用___断路器。
A. 塑壳式
B. 限流型
C. 框架式
D. 直流快速
推荐试题
【单选题】
心壁___
A. 心肌层是心壁中最薄的一层
B. 心内膜在房室口处褶叠成瓣膜
C. 心外膜是脏胸膜的一部分
D. 心房肌和心室肌相连续
E. 心传导系中一部分结构位于心壁内左心房房间隔上部
【单选题】
左、右颈总动脉___
A. 在甲状软骨上缘分支
B. 发自主动脉弓
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【单选题】
颈外动脉___
A. 左侧起自主动脉弓
B. 右侧起自头臂干
C. 在颈部不分支
D. 行于颈动脉鞘内
E. 有分支分布于硬脑膜
【单选题】
面动脉的压迫止血点通常在___
A. 外耳门前方
B. 口角外侧
C. 咬肌后缘与下颌角处
D. 咬肌前缘与下颌骨体下缘处
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【单选题】
直肠上动脉来自___
A. 主动脉腹部
B. 腹腔干
C. 肠系膜上动脉
D. 肠系膜下动脉
E. 髂总动脉
【单选题】
直肠上部的静脉血回流到___
A. 髂内静脉
B. 髂外静脉
C. 阴部内静脉
D. 肠系膜上静脉
E. 肠系膜下静脉
【单选题】
直肠下部的静脉血回流到___
A. 髂内静脉
B. 髂外静脉
C. 阴部内静脉
D. 肠系膜上静脉
E. 肠系膜下静脉
【单选题】
肝门静脉高压可导致___
A. 颈外静脉怒张
B. 大隐静脉曲张
C. 小隐静脉曲张
D. 精索静脉曲张
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【单选题】
不参与心血管系统组成的是___
A. 心
B. 动脉
C. 静脉
D. 胸导管
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【单选题】
关于肺循环,错误的是___
A. 始于右心房,终于左心室
B. 肺动脉运送静脉血人肺
C. 有两对肺静脉
D. 肺静脉运送动脉血入心
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【单选题】
关于心传导系叙述,错误的是___
A. 能产生兴奋,传导冲动
B. 房室结位于房间隔下部
C. 窦房结位于上腔静脉与右心耳之间
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【单选题】
关于主动脉叙述,错误的是___
A. 起始于主动脉口
B. 主动脉弓自右前方弯向左后方
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【单选题】
关于颈内动脉,错误的是___
A. 是颈总动脉的分支
B. 在颅外没有分支
C. 起始处膨大部是化学感受器
D. 营养脑
E. 营养视器
【单选题】
关于肠系膜上动脉,错误的是___
A. 发自腹主动脉
B. 发出分支胰十二指肠下动脉
C. 发出分支空肠动脉
D. 发出分支中结肠动脉
E. 发出分支左结肠动脉
【单选题】
关于颈内静脉,错误的是___
A. 起自颅底颈静脉孔
B. 有颅内属支和颅外属支
C. 接受颈外静脉的汇入
D. 接受面静脉的汇入
E. 接受下颌后静脉的汇入
【单选题】
供应室间隔前2/3的动脉是___
A. 右冠状动脉前室间支
B. 右冠状动脉后室间支
C. 左冠状动脉旋支
D. 左冠状动脉前室间支
E. 右冠状动脉主干的分支
【单选题】
二尖瓣位于___
A. 右房室口
B. 左房室口
C. 肺动脉口
D. 主动脉口
E. 冠状窦口
【单选题】
纤维心包___
A. 下方与膈中心腱融合
B. 分脏层与壁层
C. 下方与膈胸膜相贴
D. 与心外膜之间窄隙为心包腔
E. 其脏层即心外膜
【单选题】
卵圆窝位于___
A. 室间隔膜部左侧
B. 左心房房间隔下部
C. 右心房房间隔下部
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【单选题】
胃短动脉来自于___
A. 腹腔干
B. 胃动脉
C. 脾动脉
D. 肠系膜上动脉
E. 肠系膜下动脉
【单选题】
胸廓内动脉发自___
A. 主动脉胸部
B. 腋动脉
C. 锁骨下动脉
D. 颈外动脉
E. 胸腹壁动脉
【单选题】
股动脉___
A. 是髂内动脉的延续
B. 其内侧有股静脉
C. 发出腹壁下动脉
D. 全程与股神经伴行
E. 在胭窝可触及其搏动
【单选题】
脑膜中动脉发自___
A. 颈内动脉
B. 上颌动脉
C. 面动脉
D. 颈浅动脉
E. 大脑中央动脉
【单选题】
胆囊动脉发自___
A. 肝总动脉
B. 肝固有动脉左支
C. 肝固有动脉右支
D. 胃左动脉
E. 胃右动脉
【单选题】
颞区硬膜外血肿的出血多来自___
A. 大脑中动脉
B. 脑膜中动脉
C. 椎动脉
D. 面动脉
E. 颞浅动脉
【单选题】
由腹腔干直接分支的是___
A. 胃网膜左动脉
B. 胃网膜右动
C. 胃左动脉
D. 胃右动脉
E. 肠系膜上动脉
【单选题】
奇静脉注入___
A. 上腔静脉
B. 下腔静脉
C. 锁骨下静脉
D. 头臂静脉
E. 副奇静脉
【单选题】
大隐静脉___
A. 在足背外侧缘起自足背静脉弓
B. 经外踝后方上行
C. 伴隐神经行
D. 注入胆静脉
E. 管腔内壁无瓣
【单选题】
贵要静脉___
A. 与尺动脉伴行
B. 无静脉瓣
C. 注入腋静脉
D. 起于手背静脉网尺侧
E. 其下端常作为计数脉搏部位
【单选题】
门静脉___
A. 属支起端和分支末端均为毛细血管
B. 直接注入下腔静脉
C. 行于肝胃韧带内
D. 接受内脏成对
E. 管腔内壁有丰富瓣膜
【单选题】
下列静脉不是下腔静脉直接属支的是___
A. 肝门静脉
B. 肝静脉
C. 左肾静脉
D. 右肾上腺静脉
E. 右睾丸静脉
【单选题】
心的静脉血分汇入冠状静脉窦再回到___
A. 上腔静脉
B. 下腔静脉
C. 左心房
D. 右心房
E. 右心室
【单选题】
心脏正常起搏点是___
A. 冠状窦
B. 窦房结
C. 房室结
D. 房室束E.蒲肯野氏纤维
【单选题】
颈动脉小球为___
A. 压力感受器
B. 化学感受器
C. 触觉感受器
D. 温觉感受器E痛觉感受器
【单选题】
直接发自主动脉弓的动脉是___
A. 左颈总动脉
B. 右颈总动脉
C. 右颈内动脉
D. 右锁骨下动脉
E. 甲状颈干
【单选题】
心室舒张时,防止血液逆向流动的装置有___
A. 二尖瓣三尖瓣
B. 主动脉瓣肺动脉瓣
C. 二尖瓣主动脉瓣
D. 三尖瓣肺动脉瓣
E. 二尖瓣肺动脉瓣
【单选题】
活体可摸到心尖搏动最明显处___
A. 左侧第6胸肋关节处
B. 右侧第6胸肋关节处
C. 锁骨中线与第5肋交点处
D. 左第5肋间隙锁骨中线内侧1-2cm处
E. 剑突下方
【单选题】
关于心脏___
A. 前面全部被肺和胸膜覆盖
B. 后方邻接气管、支气管
C. 心底朝左后上方
D. 心尖由左心室构成
E. 心尖朝右前下方
【单选题】
关于心脏___
A. 位于胸腔纵隔内,居正中线上
B. 是推动血液循环的动力器官
C. 只受纳体循环的静脉血
D. 心壁的肌属平滑肌
E. 心外膜褶叠成心瓣膜
【单选题】
构成心底的主要是___
A. 左心房
B. 左心室
C. 右心房
D. 右心室
E. 心包