相关试题
【判断题】
在车站公共区域内施工完毕后现场可以堆放材料、工器具以便下次使用。
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在桥面施工完毕后，对现场进行清理清洁，要求施工后垃圾袋装出场，现场不得有遗留材料、垃圾及工器具。
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时速大于200km区段的两线间不得堆放料具，大件物料严禁在运行中装卸。
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患有登高禁忌症者，如患有高血压、心脏病、贫血、癫痫等的工人不登高。
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没有戴安全帽、系安全带，不扎紧裤管和无人监护不登高。
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隧道管片湿渍指的是由管片接缝处防水不密闭引起，在管片表面接缝或螺栓附近可见的明显色泽变化的潮湿斑。
【判断题】
隧道管片渗水指的是由管片接缝处防水不密闭引起，在管片表面接缝或螺栓附近叮见的明显的流挂水膜。
【判断题】
隧道管片滴漏指的是由管片接缝处防水不密闭引起，当渗漏水部位在隧道顶部时发生的滴落现象，滴落速度至少每分钟一滴。
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隧道管片线漏指的是一般由管片接缝处防水严重损失引起，当渗漏水部位在隧道顶部时，在管片表面接缝或螺栓附近形成连续的渗漏水现象。
【判断题】
隧道管片积水指的是一般指隧道内结构渗漏水或废水因排水沟排水坡度原因不能及时排出，在道床上蓄积形成局部明水的现象。
【判断题】
隧道管片漏泥砂指的是一般指隧道或地下车站内结构渗漏水中含有一定量细小砂粒的现象，大多数出现在严重渗漏水位置。
【判断题】
隧道管片锈蚀指的是一般指地铁区间的钢结构构件或隧道钢管片上出现的各种锈迹。
【判断题】
隧道衬砌（钢筋混凝土管片或钢管片等）劣损的类型主要有衬砌变形、衬砌移动和衬砌开裂三种
【判断题】
衬砌变形一般指在水土压力作用下，隧道衬砌（钢筋混凝土管片或钢管片等)结构的横向变形和纵向变形，其中以横向变形为主要变形。
【判断题】
衬砌移动一般指在水土压力作用下，隧道衬砌（钢筋混凝土管片或钢管片等)结构的整体或其中一部分出现转动（倾斜)、平移和下沉（上抬)等变化，也分纵向移动和横向移动。
【判断题】
衬砌开裂一般指在水土压力作用下，隧道衬砌（钢筋混凝土管片或钢管片等)结构的表面出现裂纹（或龟裂)和裂缝（宽度较大)，是衬砌过量变形的必然结果。
【判断题】
衬砌开裂一般包括张裂、压溃和错台三种。
【判断题】
张裂一般指在水土压力作用下，隧道衬砌（钢筋混凝土管片或钢管片等)结构在弯曲受拉区域或偏心受拉区引起的裂缝，其特征是裂纹、烈面与应力方向正交，裂缝宽度由表及里逐渐变窄。
【判断题】
压溃一般指在水土压力作用下，隧道衬砌（钢筋混凝土管片或钢管片等)结构在弯曲受压区域或偏心受压区引起的裂缝，其特征是裂纹边缘呈压碎状，严重时受压区表面产生碎片剥落掉块等现象。
【判断题】
错台一般指在水土压力作用下，隧道衬砌（钢筋混凝土管片或钢管片等)结构由剪切力引起的沿裂缝或环纵缝方向的错动，即形成错台。
【判断题】
错缝一般指隧道内环缝或纵缝在交界面上出现位移的现象。
【判断题】
松动一般指地铁区间内固定在结构上的附属设备或设施的固定螺栓等出现松动的现象。
【判断题】
嵌缝条脱落一般指隧道内环缝与纵缝的嵌缝条在地铁列车振动或其他原因下，出现的松脱掉落现象。
【判断题】
隧道结构设施检查分为年度检查、月度检查及不定期检查三个层次。
【判断题】
隧道月度检查每月进行二次，作为次月生产计划工作内容确定的依据。
【判断题】
隧道结构检查工具主要包括记录类、照明类以及量测类三部分。
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隧道的合格标准是:隧道及旁通道允许有少量漏水点但不得有线流和漏泥砂;
【判断题】
隧道的合格标准是:单个湿渍面积不大于0.3 m2;
【判断题】
隧道的合格标准是:单个湿渍面积不大于0.2 m2;
【判断题】
隧道的合格标准是:单个漏水点的漏水量不大于2.5 L/d;
【判断题】
隧道的合格标准是:单个漏水点的漏水量不大于0.5 L/d;
【判断题】
隧道的合格标准是:任意100 m2湿渍面积不超过7处。
【判断题】
隧道的合格标准是:任意100 m2湿渍面积不超过10处。
【判断题】
隧道的优良标准是:隧道及旁通道平均渗水量不大于0. 1L/（m2•d)；
【判断题】
隧道的优良标准是:隧道及旁通道平均渗水量不大于0. 05L/（m2•d)；
【判断题】
隧道的优良标准是:任意200 m2渗水量不大于0.15L/（m2•d)；
【判断题】
隧道的优良标准是:任意100 m2渗水量不大于0.15L/（m2•d)；
【判断题】
隧道的优良标准是:隧道顶部不允许滴水，侧面允许有少量、偶见湿迹；
【判断题】
隧道的优良标准是:隧道内表面潮湿面积不大于5/1000的总内表面积;
【判断题】
隧道的优良标准是:隧道内表面潮湿面积不大于2/1000的总内表面积;
推荐试题
【单选题】
How does a zone pair handle traffic if the policy de fination of the zone pair is missing?___
A. It inspects all traffic.
B. It drops all traffic.
C. It permits all traffic wihtout logging
D. It permits and logs all traffic
【单选题】
default how does a zone based firewall handle traffic to add from the self zone？___
A. It permits all traffic without inspection
B. It inspects all traffic to determine how it is handled
C. It permits all traffic after inspection
D. It frops all traffic
【单选题】
Which command should beused to ena ble AAA Authentication to determine if a user can access the privilege command level？___
A. aaa authentication enable local
B. aaa authentication enable level=
C. aaa authentication enable method de fault
D. aaa authentication enable defa ult local
【单选题】
On an ASA， the policy indicates that traffic should not be translated is often referred to as which of the following？___
A. NAT zero
B. NAT forward
C. NAT nul
D. NAT allow
【单选题】
Which protocol offers data Integrity encryption， authentication， and anti-replay functions for IPSec VPN？___
A. ESP protocol
B. IKEv3 Protocol
C. AH protoco
D. IKEv1 Protocol
【单选题】
Which component offers a variety of security Solution， including firwall， IF Antivirus and antiphishing features？___
A. Cisco loS router
B. Cisco ASA 5500 Ser ies security appliance
C. Cisco ASA 5500 X series Next Gen Security appliance
D. Cisco 4200 series IPS appliance
【单选题】
Refer to the exhibit， A Network Secur ity administrator check the ASa firewall NAT policy table rith show nat command， which statement is fails？___
A. There are only reverse translation matches for the REAL SERvER object
B. First policy in the Section 1 is a dynamic nat entry defined in the object configuration
C. NAT policy in section 2 is static entry de fined in the object configuration
D. Translation in Section 3 used when a connection does not matches any entries in first two sections
【单选题】
What is true of an aSa in transparent mode ?___
A. It supports OSPF
B. It requires an IP address for each interface
C. It requires a management IP address
D. It allows the use of dynamic NaT
【单选题】
What is the effect of the ip scp server enable command？___
A. It references an access list that allows specific SCP servers
B. It allows the router to initiate requests to an SCP server
C. It allows the router to become an SCP server
D. It adds SCP to the list of allowed copy functions
【单选题】
How can you mitigate attacks in which the attacker attaches more than one vLan tag to a packet？___
A. Assign an access VLAN to every active port on the switch
B. Disable Ether Channel on the switch
C. Explicitly identity each VLAN allowed across the trunk
D.
E. nable transparent VTP on the switch
【单选题】
Which technology can you implement to centrally mitigate potential threats when users on your network download files that might be malicious？___
A. Enable file-reputation services to inspect all files that traverse the company network and block files with low reputation scores
B. Verify that the compa ny IpS blocks all known malicious website
C. Verity that antivirus software is installed and up to date for all users on your network
D. Implement URL filtering on the perimeter firewall
【单选题】
What is the most common implementation of PaT in a standard networked environment？___
A. configuring multiple external hosts to join the self zo ne and to communicate with one another
B. configuring multiple internal hosts to communicate outside of the network using the outside interface IP address
C. configuring multiple internal hosts to communicate outside of the network by using the inside interface IP address
D. configuring an any any rule to enable external hosts to communicate inside the network
【单选题】
Which component of a bYod architecture provides aAa services for endpoint access ?___
A. Integrated Services Router
B. access point
C. ASA
D. Identity Services
E. ngine
【单选题】
You are configuring a NAT rule on a Cisco ASA ,Which description of a mapped interface is true?___
A. It is mandatory for all firewall modes
B. It is optional in routed mode
C. It is optional in transparent mode
D. It is mandatory for ide ntity NAT only
【单选题】
Which description of the use of a private key is true ？___
A. The sender signs a message using the receivers private key
B. The sender signs a message using their private key
C. The sender encrypts a message using the receivers private key
D. The receiver decrypts a n15ssage using the sender's private key
【单选题】
Which mechanism does the FireAMP Connector use to avoid conflicts with other security applications such as antivirus products ?___
A. Virtualization
B. Containers
C. Sandboxing
D.
E. xclusions
【单选题】
Which network to pology de scribes multiple LANS in a gec? ___
A. SOHO
B. MAN
C. pan
D. CAN
【单选题】
Which statement represents a difference between an access list on an aSa versus an access list on a router？___
A. The asa does not support number access lists
B. The aSa does not support standard access list
C. The asa does not ever use a wildcard mask
D. The asa does not support extended access lists
【单选题】
Which command do you enter to verify the status and settings of an iKE Phase 1 tunnel？___
A. show crypto ipsec as output
B. show crypto isakmp
C. show crypto isakmp policy
D. show crypto ipsec transform
【单选题】
Which feature can help a router or switch maintain packet forwarding and protocol states despite an attack or heavy traffic load on the router or switch？___
A. service Policy
B. Control Plane Policing
C. Policy Map
D. Cisco
E. xpress
F. orwarding
【单选题】
Which STP feature can prevent an attacker from becoming the root bridge by immediately shutting down the interface when it receives a BPDU？___
A. root guard
B. Port Fast
C. BPDU guard
D. BPDU filtering
【单选题】
Which technology can best protect data at rest on a user system？___
A. full-disk encryption
B. IPsec tunnel
C. router ACL
D. network IPS
【多选题】
Which two primary security concerns can you mitigate with a BYOD solution ？___
A. schedule for patching the device
B. securing access to a trusted corporate network
C. compliance with applicable policies
D. connections to public Wi-Fi networks
E. device tagging and invento
【多选题】
choose five___
A. MD5————————inserure
B. DES————————insercure
C. SDES———————legacy
D. SHA-1———————legacy
E. HMAC-MD5—————legacy
【多选题】
Which two characteristics of symmetric encryption are true？___
A. It uses digital certificates
B. It requires more resources than asymmetric ancryption
C. It uses the same key to enctypt and decrupt traffic
D. It uses a public key and a pricate key to encrypt and decrypt traffic.
E. It is faster than asymmetric encryption
【多选题】
which two characteristics of PVLAN are true？___
A. Promiscuous porta can communicate with PVLAN ports.
B. Isolated ports cannot communicate with other ports on the same VLAN
C. Community ports have to be a part of the trunk.
D. They require VTP to be enabled in server mode
E. PVLAN ports can be configured as Ether Channel ports
【多选题】
What are two options for running Cisco SDM?___
A. Running SDM from a mobile device
B. Running SDM from within CiscoWorks
C. Running SDM from a router's flash
D. Running SDM from the Cisco web porta
E. Running SDM from a PC
【多选题】
Which two options are the primary deployment modeles for mobile device management？___
A. multisite
B. cloud-based
C. on premises
D. hybrid cloud basedo
E. single site
【多选题】
Drag the recommendation on the left to the Cryptographic algorithms on the right， Options will be used more than once.___
A. Avoid——————————————DES，MD5
B. Legacy——————————————SDES，SHA1，HMAC-MD5
【多选题】
Which two are valid types of vLans using PVLANS ?___
A. Community VLAN
B. Backup VLAN
C. Secondary VLAN
D. Isolated VLAN
E. Isolated VLAN
【多选题】
Which two commands are used to implement Resilient lOS Configuration ___
A. Secure boot-config
B. copy running-config tftp
C. copy flash:ios bin tftp
D. copy running-config startup-config
E. secure boot-image
【多选题】
Which two types of firewalls work at layer 4 and above ？___
A. Stateful inspection
B. Network Address Translation
C. Circuit-Level gateway
D. Static packet filter
E. Application Level firewall
【多选题】
Which two default settings for port security are true ？___
A. Violation is Protect
B. Violation is Restrict
C. Violation is Shutdown
D. Maximum number of MAC addresses is 2
E. Maximum number of MAC addresses is 1
【多选题】
Which two are characteristics of RADIUS？___
A. Uses UDP ports 1812 /1813
B. Uses TCP port 49
C. Uses UDP port 49
D.
E. ncrypts only the password between user and server
【多选题】
When setting up a site-to-site VPN with PSK authentication on a Cisco router， which two elements must be configured under crypto map？___
A. pfs
B. nat
C. reverse route
D. peer
E. transform-set
【多选题】
When using the Adaptive Security Device Manager（ASDM), which two options are available to add a new root certificate？___
A. Install from SFTP server
B. Usehttps
C. Install from a file
D. Use LDAP
E. Use SCEP
【多选题】
Which two SNMPv3 services support its capabilities as a secure networ k manage protocol？ ___
A. access control
B. the shared secret key
C. authentication
D. authorization
E. accounting
【多选题】
Which two statements about routed firewall mode are true ？___
A. The firewall acts as a routed hop in the network
B. This mode conceals the presence of the firewall
C. The firewall requires a unique iP address for each interface
D. This mode allows the firewall to be added to an existing networ k with minimal additional configuration By default， this mode permits most traffic to pass throug
【多选题】
Which two statements describe DHCP spoofing attacks？___
A. They are used to perform man-in- the-middle attacks
B. They can access most network devices
C. They can modify the flow of traffic in transit. LNGKAIG
D. They protect the identity of ti attacker by masking the DHCP address
E. They can physically modify the network gateway
【多选题】
Which two types of VLANs using PVLANs are valid？___
A. isolated
B. promiscuous
C. backup
D. secondary
E. community
