【判断题】
佩戴空气呼吸器作业时,当空气呼吸器罐内压力低于2MPa,必须撤离危险区
A. 对
B. 错
查看试卷,进入试卷练习
微信扫一扫,开始刷题
答案
B
解析
暂无解析
相关试题
【判断题】
生产经营单位制定的应急预案应当至少每三年修订一次,预案修订情况应有记录并归档
A. 对
B. 错
【判断题】
高心泵产生汽蚀时,除过済部件表面受到机械性质的破坏财以外,如果液体汽化时放出的气体有腐蚀作用.还会产生一定的化学性质破坏
A. 对
B. 错
【判断题】
有些裂解工艺产生的单体会自聚或爆炸,需要向生产的单体中加阻聚剂或稀释剂等
A. 对
B. 错
【判断题】
生产经营单位未制定应急預案,导致事故救援不力或者造成严重后果的由县级以上安全生产监督管理部门依照有关法律、法规和规章的规定,责令停停产停业整顿,并依法给予行政处罚
A. 对
B. 错
【判断题】
发生人员中毒、窒息的紧急情况抢救人员必须佩戴隔离式防护面具进入受限空间并至少有1人在受限空间外部负责联络工作
A. 对
B. 错
【判断题】
装置区域机泵冷却水属于含油汚水
A. 对
B. 错
【判断题】
乙烯装置各系统在投用前要仔细检查导淋阀、安全阀的旁路是否已全部关闭
A. 对
B. 错
【判断题】
打扫卫生时可以用水冲洗电机等带电设备
A. 对
B. 错
【判断题】
从业人员在作业过程中应当严格遵守本单位的安全生产规童制度服从管理正确做蔵和使用劳动防护用品
A. 对
B. 错
【判断题】
棉尘病属于尘肺病
A. 对
B. 错
【判断题】
灭火的基本方法包括窒息法、隔离法、冷却法和抑制法
A. 对
B. 错
【判断题】
废热锅炉进行水力清焦时应隔离该区域防止无关人员被高压水和飞溅的焦粒伤害
A. 对
B. 错
【判断题】
氢气的爆炸极限为0-100%
A. 对
B. 错
【判断题】
裂解炉燃料气系统气密前.必须确认每一个安全阀都已经过调校并正常安装
A. 对
B. 错
【判断题】
喘振对压缩机十分有害,喘振时由于气流强烈的脉动和周期性振荡,会使叶片强烈振动发出特殊吼声,使整个机组和管网发生强烈振动,驱动机也处于不稳定工作状态,止逆阀忽开忽关产生撞击,排气压力和流量发生周期性变化。严重时会造成转自失去平衡,叶轮损坏、轴瓦烧毁
A. 对
B. 错
【判断题】
液氮有腐蚀性.可灼伤皮肤
A. 对
B. 错
【判断题】
环墳危害极大的"酸雨"中主要成分为二氧化碳
A. 对
B. 错
【判断题】
防护服包括帽、衣、裤、围裙、套裙、鞋罩等有防止或减轻热辐射和化学汚染机体的作用
A. 对
B. 错
【判断题】
转动设备的轴封装匿其作用是防止介质从设畚内部沿轴向外部泄漏
A. 对
B. 错
【判断题】
应急预案中生产经营单位概况主要包括单位地址、从业人数、隶属关系、主要原材料、主要产品、产量等内容以及周边重大危险源、重要设施、目标、场所和周边布局情况,必要时,可附平面图进行说明
A. 对
B. 错
【判断题】
压缩机透平暖机不足将导致汽轮机振动加剧
A. 对
B. 错
【判断题】
参加应急预案评审人员与所评审预案的生产经营单位有利害关系,可以参加
A. 对
B. 错
【判断题】
裂解炉汽包锅炉给水供给中断时,裂解炉应立即紧急停炉
A. 对
B. 错
【判断题】
低氮燃燃器可以有效降低烟气中氮氧化物含量
A. 对
B. 错
【判断题】
专项应急預案中处置措施应针
A. 对
B. 错
【判断题】
裂解气中的一氧化碳过高,会使甲烷化反应器发生飞温
A. 对
B. 错
【判断题】
排出温度越限时对压缩机转子和缸体等部位的热膨胀不利.会加剧转子的振动。因此压缩机超温运行将会导致压缩机联锁停车
A. 对
B. 错
【判断题】
化学品仓库面积大时,为确保照明效果,可以安装碘钨灯
A. 对
B. 错
【判断题】
苯属于高毒物品。急性毒作用主要对中枢神经系统慢性毒作用主聾作用于造血组织及神经系统
A. 对
B. 错
【判断题】
遇到4级以上大风时,不应进行露天高处作业
A. 对
B. 错
【判断题】
管道安全隔绝可釆用插入盲板、拆除一段管道、水封或者关闭阀门进行隔绝
A. 对
B. 错
【判断题】
安全阀开启排放过高压力后容器和装置不可以继续使用
A. 对
B. 错
【判断题】
乙烯装置中存在多种腐蚀,其中以水腐蚀最常见且危害最大
A. 对
B. 错
【判断题】
纯净的气体不会产生静电
A. 对
B. 错
【判断题】
高压蒸汽的质量好坏取决于锅炉绐水的质量
A. 对
B. 错
【判断题】
化工废气具有易燃、易爆、强腐蚀性等特点.
A. 对
B. 错
【判断题】
为了改善摩能,使埴料密封有足够的使用寿命不允许介质有泄漏现象
A. 对
B. 错
【判断题】
单位应当落实斂消防安全责任制和岗位消防安全责任制
A. 对
B. 错
【判断题】
甲烷在空气中的允许浓度为50 mg/m3
A. 对
B. 错
【判断题】
石脑油等中低闪点易燃物质可以用水灭火
A. 对
B. 错
推荐试题
【单选题】
Which command enables authentication at the oSPFv2 routing process level?___
A. ip ospf authentication message-digest
B. area 0 authentication message-digest
C. ip ospf message-digest-key 1 mds Cisco
D. area 0 authentication ipsec spi 500 md5 1234567890ABCDEF1234567890ABCDEF
【单选题】
Which type of firewall monitors a nd protects a specific system?___
A. firewall
B. application firewall
C. stateless firewall wvp
D. personal firewall
【单选题】
On an ASA, which maps are used to identify traffic?___
A. Route maps
B. Policy maps
C. Class maps
D. Service maps
【单选题】
Which type of social engineering attack targets top executives?___
A. whaling
B. vishin
C. spear phishing ng
D. baiting
【单选题】
What is the minimum Cisco lOS version that supports zone-based firewalls?___
A. 12.1T
B. 15.1
C. 15.0
D. 124
【单选题】
In which type of attack does an attacker overwrite an entry in the CAM table to divert traffic destined to a legitimate host?___
A. DHCP spoofing
B. ARP spoofing
C. CAM table overflow
D. MAC spoofing
【多选题】
Which two attack types can be prevented with the impleme ntation of a Cisco IPS solution?___
A. DDos
B. man-in-the-middle
C. worms
D. ARP spoofing
E. VLAN hopping
【多选题】
choose four___
A. DHCP snooping ——————————blocks DHCP messages
B. Dynamic ARP inspection——————verifies IP-to-MAC traffic on untrusted ports
C. IP sources guard ——————————provides layer 2 interface security with ports ACLs
D. Port security————————————mitigates MAC-address spoofing at the access interface
【多选题】
choose four___
A. Step1————————run the system setup wizard
B. Step2————————add an authentication realm
C. Step3————————configure identity management
D. Step4————————configure directory group
【多选题】
What are two advanced features of the Cisco AMp solution for endpoints ___
A. contemplation
B. foresight
C. sandboxing
D. reputation
E. reflection
【多选题】
Which two characteristics of RADIUS are true?___
A. It encrypts only the password between user and server.
B. It uses TCP ports 1812/1813
C. It uses UDP ports 1812/1813.
D. It uses UDP port 49
E. It uses TCP port 49
【多选题】
What are two challenges of using a network-based IPS? ___
A. It is unable to determine whether a detected attack was successful
B. It requires additional storage and proce ssor capacity on syslog servers
C. As the network expands, it requires you to add more sensors.
D. It is unable to detect attacks across the entire network
E. It must support multiple operating systems.
【多选题】
What are two default be haviors of the traffic on a zone-based firewall?___
A. Traffic within the self -zone uses an im plicit deny all.
B. All traffic between zones is implicitly blocked
C. Communication is allowed between interfadAss that are members of the same zone
D. Communication is blocked between interfaces that are members of the same zone
E. The CBAC rules that are configured on router interfaces apply to zone interfaces
【多选题】
Which two advantages does the on-premise model for MDM deployment have over the cloud-based model?___
A. The on-premise model is easier and faster to de ploy than the cloud-based model
B. The on-premise model is more scalable than the cloud-based model
C. The on-premise model is generally less expensive than the cloud-based model
D. The on-premise model generally has less latency than the cloud- based model.
E. The on-premise model provides more control of the MDM solution than the cloud
【多选题】
Which two actions can an end usts take to manage a lost or stolen device in Cisco ISE? ___
A. Activate Cisco ISE End point Protection Services to quarantine the device.
B. Add the mac address of the device to a list of blacklisted devices
C. Force the device to be locked with a PIN
D. Request revocation of the digital certificate of the device.
E. Reinstate a device that the user previously marked as lost or stolen
【多选题】
Which two problems can arise when a proxy firewall serves as the gateway between networks?___
A. It can prevent content caching
B. It can limit application support
C. It is unable to prevent direct connections to other networks
D. It can cause reduced throughput.
E. It is unable to provide antivirus protection
【多选题】
When using the Adaptive Security Device Manager(ASDM), which two methods are available to add a new root certificate?___
A. Use sCep
B. Install from SFTP server
C. Install from a file
D. Use Https
E. Use LDAP
【多选题】
Which two are considered basic security principles?___
A. Accountability
B. Redundancy
C. High Availabilit
D. Integrity
E. Confidentiality
【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