【单选题】
《煤矿安全生产标准化基本要求及评分方法》要求矿井储量计算和统计管理符合___规定。
A. 《煤矿地质工作规定》
B. 《矿山储量动态管理要求》
C. 《煤矿安全规程》
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相关试题
【单选题】
陷落柱普查,应查明矿井内直径大于___米的陷落柱,主要包括陷落柱发育形态、岩性、周边裂隙发育程度、导水性等,并提出防范措施和建议。
【单选题】
永久导线点应设在矿井主要巷道中,一般每隔___设置一组,每组至少应有三个相邻点。有条件时,也可在主要巷道中全部埋设永久导线点。
A. 100-300m
B. 200-400m
C. 300-500m
【单选题】
基本控制导线一般应递隔___延长一次。
A. 100-300m
B. 200-400m
C. 300-500m
【单选题】
采区控制导线应随巷道掘进第___延长一次。
A. 30-50m
B. 50-100m
C. 30-100m
【单选题】
新开口的巷道中腰线,可根据现场实际情况,用经纬仪或罗盘仪等标定,掘进到___时,应检查或重新标定中腰线。
A. 4-8m
B. 5-10m
C. 10-15m
【单选题】
最前面的一个中、腰线点至掘进工作面的距离,一般应不超过___。
A. 30-40m
B. 40-50m
C. 50-60m
【单选题】
巷道每掘进___,应至少对中、腰线点进行一次检查测量,并根据检查测量结果调整中、腰线。
【单选题】
3°带第37带的中央子午线经度为___。
【单选题】
转动目镜对光螺旋的目的是___。
A. 看清近处目标
B. 看清近处目标
C. 看清十字丝
【单选题】
导线的水平角是由经纬仪采用___观测的。
【单选题】
提高贯通测量精度最主要的是提高___。
A. 测边精度
B. 测角精度
C. 仪器精度
D. 对中精度
【单选题】
在水准测量时,若水准尺倾斜时,其读数值___。
A. 水准尺前倾读数增大,后倾减小
B. 水准尺前倾读数减小,后倾增大
C. 总是增大
D. 总是减少
【单选题】
在井下延伸导线时,规程要求主要检测___。
A. 距离
B. 水平角
C. 垂直角
D. 高差
【单选题】
新开口的巷道掘进___时应检查或重新标定中腰线。
A. 1-2m
B. 5-10m
C. 10-15m
D. 4-8m
【单选题】
贯通巷道接合处的重要方向上偏差是指___。
A. 在平面上沿巷道中线的长度偏差
B. 水平面上垂直于中线方向的左右偏差
C. 竖直面上的偏差
D. 综合偏差
【单选题】
在布设井下基本控制导线时,一般每隔___应加测陀螺定向边。
A. 1.0-1.5km
B. 1.5-2.0km
C. 2.0-2.5km
D. 2.5-3.0km
【单选题】
在延长井下导线之前,必须对上次所测量的最后一个水平角进行检查,7秒导线两次观测水平角的不符值不得超过___秒。
A. 15秒
B. 40秒
C. 20秒
D. 80秒
【单选题】
近井点的精度,对于测设它的起算点来说,其点位中误差不得超过___。
A. ±3cm
B. ±5cm
C. ±10cm
D. ±7cm
【单选题】
测量竖直角时,采用盘左、盘右观测,其目的之一是可以消除___误差的影响。
A. 对中
B. 视准轴不垂直于横轴
C. 指标差
D. 竖盘刻划不均匀
【单选题】
相邻两条等高线之间的高差称为___。
A. 等高距
B. 等高线平距
C. 等高线坡度
D. 等高线落差
【单选题】
井下控制导线的首级控制为___导线。
A. 8〞级
B. 15〞级
C. 30〞级
D. 7〞级
【单选题】
开拓系统比较简单,且分层采掘工程平面图上已包括主要巷道,可不单独绘制___。
A. 井筒断面图
B. 主要保护煤柱图
C. 主要巷道平面图
D. 井底车场平面图
【单选题】
《防范煤矿采掘接续紧张暂行办法》中水文地质极复杂矿井开拓煤量可采期不得小于___年。
【单选题】
《防范煤矿采掘接续紧张暂行办法》中水文地质极复杂矿井准备煤量可采期不得小于___个月。
【单选题】
《防范煤矿采掘接续紧张暂行办法》中2个及以上采煤工作面同时生产的矿井回采煤量可采期不得小于___个月。
【单选题】
导线的布置形式有___。
A. 一级导线、二级导线﹑图根导线
B. 单向导线﹑往返导线﹑多边形导线
C. 闭合导线﹑附合导线﹑支导线
D. 测边导线、测角导线、边角导线
【单选题】
下列选项中不属于三下采煤的是___。
A. 建筑物下
B. 构筑物下
C. 水体下
D. 铁路下
【单选题】
在实际工作中,一般采用___中误差作为允许误差。
【单选题】
开口通知单应提前___下达到测量部门。
【单选题】
测量误差按其性质可分为系统误差和___。
A. 人为误差
B. 仪器误差
C. 计算误差
D. 偶然误差
【单选题】
根据煤矿地质工作规定当巷道不能揭露煤层全厚时,较稳定煤层探测煤层全厚的观测点间距为___m。
A. 10-25
B. 20-35
C. 25-50
D. 35-50
【单选题】
测量工作的主要任务是确定地面点的___位置。
【单选题】
平静的海水面伸过大陆与岛屿形成一个封闭的曲面,称为___。
A. 大地水准面
B. 水准面
C. 基准面
D. 海水面
【单选题】
中华人民共和国大地坐标原点设在___省。
【单选题】
我国的高程基准面是以___平均海水面作为大地水准面。
【单选题】
通过地面一点,指向地球北极的方向称为该点的___。
A. 坐标纵轴方向
B. 磁子午线方向
C. 真子午线方向
D. 陀螺北方向
【单选题】
从标准方向的北端起,顺时针量至某一直线的夹角,称为该直线的___。
A. 方位角
B. 真方位角
C. 坐标方位角
D. 水平角
【单选题】
当测站上需要观测三个方向时,通常采用___观测水平角。
A. 测回法
B. 方向观测法
C. 复测法
D. 全圆观测法
【单选题】
矿山测量规程规定,等外水准测量环线式附和线路长度不超过___公里。
【单选题】
对某量进行了多次观测,其观测值与真值之间存在一个差数,这个差数叫___。
A. 偶然误差
B. 系统误差
C. 中误差
D. 真误差
推荐试题
【多选题】
What are two limitations of the self-zone policies on a zone-based firewall?___
A. They are unable to block Https traffic
B. They restrict SNMP traffic.
C. They are unable to support Https traffic
D. They are unable to implement application inspection
E. They are unable to perform rate limiting
【多选题】
Which two descriptions of TACACS+ are true? ___
A. The TACACS+ header is unencrypted
B. It combines a uthentication and authorization
C. It uses TCP as its transport protocol
D. Only the password is encrypted.
E. It uses UDP as its transport protocol.
【多选题】
Which two actions does an IPS perform? ___
A. it spans the traffic
B. it reflects the traffic back to the sender
C. it encrypts the traffic
D. it terminates the user session or connection of the attacker
E. it reconfigures a device to block the traffic
【多选题】
In which form of fraud does an attacker try to learn information such as login credenti account information by ma squerading as a reputable entity or person in email, IM or communication channels ?___
A. phishing
B. Smurfit
C. Hacking
D. Identity Spoofing
【多选题】
Which two ESA services are available for incoming and outgoing mails ?___
A. anti-DoS
B. reputation filter
C. antispam
D. content filter
E. DLP
【多选题】
What are two reasons to recommend SNMPv 3 over SNMPv2?___
A. SNMPv3 is secure because you can configure authe ntication and privacy
B. SNMPv3 is insecure because it send in formation in clear text
C. SNMPv2 is insecure because it send information in clear text
D. SNMPv3 is a Cisco proprietary protocol
E. SNMPv2 is secure because you can configure authentication and privacy
【多选题】
Which two actions can a zone- based firewall apply to a packet as it transits a zone pair?___
A. drop
B. inspect
C. queue
D. quarantine
【单选题】
Which security principle has been violated if data is altered in an unauthorized manner?___
A. accountability
B. confidentiality
C. availability
D. integrity
【单选题】
Which IKE Phase 1 parameter can you use to require the site-to-site VPN to use a pre-shared ?___
A. encryption
B. authentication
C. group
【单选题】
Which command successfully creates an administrative user with a password of "cisco"on a Cisco router?___
A. username Operator privilege 7 password cisco
B. username Operator privilege 1 password cisco
C. username Operator privilege 15 password cisco
D. username Operator password cisco privilege 15
【单选题】
Which EAP method authenticates a client against Active Directory without the use of client-side 802.1X certificates?___
A. EAP-TLS
B. EAP-MSCHAPv2
C. EAP-PEAP
D.
E. AP-GTC
【单选题】
What is a limitation of network-based IPS?___
A. It must be in dividually configured to support every operating system on the network.
B. It is most effective at the in dividual host level
C. It is unable to monitor attacks across the entire netw ork
D. Large installations require numerous sensors to fully protect the network
【单选题】
When would you configure the ip dhcp snooping trust command on a sw itch?___
A. when the switch is connected to a DHCP server
B. when the switch is working in an edge capacit
C. when the switch is connected to a client system
D. when the switch is serving as an aggregator
【单选题】
How does the 802. 1x supplicant communicate with the authentication server?___
A. The supplicant creates EAP packets and sends them to the authenticator, which encapsulates them into RADIUS and forwards them to the authentication server.
B. The supplicant creates RADIUS packets and sends them to the authe nticator, which encapsulates the m into EAP and forwards them to the a uthentication server.
C. The supplicant creates RADIUS packets and sends them to the authenticator, which translates them into eap and forwards them to the a ut hentication server
D. The supplicant creates
E. AP packets and sends them to the authe nticator, which translates them into radius and forwards them to the authentication server.
【单选题】
Which command do you enter to verify the phase I status of a VPN connection?___
A. sh crypto se ssion
B. debug crypto isakmp
C. sh crypto isakmp sa
D. sh crypto ipsec sa
【单选题】
Refer to the exhibit. what is the e ffect of the given configuration?___
A. It enables authentication,
B. It prevents keychain authentication.
C. The two routers receive normal updates from one another.
D. The two device s are able to pass the message digest to one another.
【单选题】
Which command can you enter to configure OSPF to use hashing to authenticate routing updates?___
A. ip ospf aut hentication message-digest
B. neighbor 192 168.0 112 cost md5
C. ip ospf priority 1
D. ip ospf aut hentication-key
【单选题】
Which command can you enter to verify the status of Cisco lOS Resilient Configuration on a Cisco router?___
A. show secure bootset
B. secure boot-image
C. show binary file
D. ure boot-config
【单选题】
A user on your network inadvertently activates a botnet program that was received as an emai attachment. Which type of mechanism does Cisco Firepower use to detect and block only the botnet attack?___
A. network-based access control rule
B. reputation-based
C. user-ba sed access control rule
D. botnet traffic filter
【单选题】
What does the policy map do in CoPP?___
A. defines service parameters
B. defines packet selection parameters
C. defines the packet filter
D. define s the action to be performed
【单选题】
How is management traffic isolated on a Cisco ASR 1002?___
A. Traffic isolation is done on the vlan level
B. There is no management traffic isolation on a Cisco ASR 1002
C. Traffic is isolated based upon how you configure routing on the device
D. The management interface is configured in a special vRF that provides traffic isolation from the default routing table
【单选题】
Which statement about NaT table evaluation in the asa is true?___
A. After-auto NAT polices are appl d first
B. Manual NAT policies are applied first
C. the asa uses the most specific match
D. Auto NAT policies are applied first
【单选题】
Which information can you display by executing the show crypto ipsec sa command?___
A. ISAKMP SAs that are established between two peers
B. recent changes to the IP address of a peer router
C. proxy infor mation for the connection between two peers
D. IPsec SAs established between two peers
【单选题】
How can you prevent NAT rules from sending traffic to incorrect interfaces?___
A. Assign the output interface in the NAT statement
B. Add the no-proxy-arp command to the nat line.
C. Configure twice NAT instead o bject NAT. 5
D. Use packet-tracer rules to reroute misrouted NAT entries.
【单选题】
What term can be defined as the securing, control, and identification of digital data?___
A. cryptography
B. crypto key
C. cryptoanalysis
D. cryptology
【单选题】
Which feature in the dNS security module provide on and off network DNS protection?___
A. Data Loss Prevention
B. Umbrella
C. Real-time sandboxing
D. Layer-4 monitoring
【单选题】
Which a dverse consequence can occur on a network without BPDu guard ?___
A. The olde st switch can be elected as the root bridge
B. Unauthorized switches that are connected to the network can cause spanning-tree loops
C.
D. ouble tagging can cause the switches to experience CAM table overload.
【单选题】
What configuration is required for multitenancy ?___
A. shared infrastructure
B. multiple carriers
C. co-located resources
D. multiple separate zones
【单选题】
Why does ISE require its own certificate issued by a trusted CA?___
A. ISEs certificate allows guest devices to validate it as a trusted network device
B. It generates certificates for guest devices ba sed on its own certificate
C. It requests certificates for guest devices from the Ca server based on its own certificate.
D. ISE's certificate allows it to join the network security framework
【单选题】
which attack involves large numbers of ICMP packets with a spoofed source IP address?___
A. smurf attack
B. Teardrop attack
C. Nuke attack
D. SYN Flood attack
【单选题】
Which statement about interface and global access rules is true?___
A. Interface access rules are processed before global access rules.
B. Global access rules apply only to outbound traffic, but interface access rules can be applied in either direction
C. The implicit allow is proce ssed after both the global and interface access rules
D. If an interface access rule is applied, the global access rule is ignored
【单选题】
Which type of malicious software can create a back-door into a device or network?___
A. bot
B. worm
C. virus
D. Trojan
【单选题】
Which security term refers to the like lihood that a weakness will be exploited to cause damage to an asset?___
A. threat
B. risk
C. countermeasure
D. vulnerability
【单选题】
Which IPS detection method examines network traffic for preconfigured patterns?___
A. signature-based detection
B. honey-pot detection
C. anomaly-based detection
D. policy-based detection
【单选题】
What is an advantage of split tunneling ?___
A. It allows users with a VpN connection to a corporate network to access the internet with sending traffic across the cor porate network.
B. It allows users with a vpn connection to a corporate network to access the internet by using the vPN for security.
C. It protects traffic on the private network from users on the public network
D. It enables the VPN server to filter traffic more efficiently
【单选题】
Which IDS/IPS state misidentifies acceptable behavior as an attack ?___
A. false negative
B. true positive NEKA G
C. true negative
D. false positive
【单选题】
What is the maximum num ber of methods that a single method list can contain?___
【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