【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
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答案
D
解析
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相关试题
【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?___
A. 4
B. 3
C. 2
D. 5
【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
推荐试题
【多选题】
下列井下管柱结构中会造成抽汲压力的有___。
A. 光油管+喇叭口
B. 光油管+封隔器(胶皮未回收)
C. 光油管+抽油泵(泄油器未打开)
D. 光油管+钻头
【判断题】
某井洗压井后观察达到下步施工时间一倍以上,观察期间出口一直有很少量修井液均匀外溢,这时已达到初级井控,再次洗压井后可以拆井口进行下步工作。
A. 对
B. 错
【判断题】
二级井控是依靠井控技术排除气侵修井液,处理掉溢流,恢复井内压力平衡,使之重新达到初级井控状态,所以对井控设备要求不严格。
A. 对
B. 错
【判断题】
《石油与天然气井下作业井控管理规定》中规定必须牢固树立“以人为本”的理念,坚持“安全第一,预防为主”方针。
A. 对
B. 错
【判断题】
二级井控有两个基本点:一是要使作用于地层上的井底压力高于地层压力,二是在超平衡地层压力时决不能使井口压力过高。
A. 对
B. 错
【判断题】
近平衡压力就是使用合理的修井液形成略高于地层压力的液柱压力,达到对油层实施一级控制的目的。
A. 对
B. 错
【判断题】
地质设计方案未能提供准确的地层压力资料,防范措施不落实也会造成井喷。
A. 对
B. 错
【判断题】
井身结构设计不合理,套管质量等问题也会造成井喷。
A. 对
B. 错
【判断题】
某井施工时用清水压井,压井后有轻微漏失,起管柱时必须做到边起边灌同性能压井液至井口。
A. 对
B. 错
【判断题】
井控,有的称井涌控制,还有的称压力控制,各种称谓本质是一样的。
A. 对
B. 错
【判断题】
井口不安装防喷器或井控设备安装及试压不符合要求等,是发生井喷后造成失控的直接原因之一。
A. 对
B. 错
【判断题】
从事“三高”油气井的施工队伍,在施工前要专门安排时间对全队人员及上级检查人员进行针对“三高”油气井特点的培训、应急演练等。
A. 对
B. 错
【判断题】
实施近平衡压力井下作业,采用先进的井控技术和井控设备才是发现、保护油气层的正确途径。
A. 对
B. 错
【判断题】
井控意识淡薄是导致事故发生的根本原因。
A. 对
B. 错
【判断题】
处理事故险情时,首先考虑应尽可能减少财产损失,其次是人身安全和环境污染。
A. 对
B. 错
【判断题】
三项(地质、工程、施工)设计存在缺陷,将可能导致井喷或井喷失控事故的发生。
A. 对
B. 错
【判断题】
井控工作的日常监督、检查与井控装置的配备、使用维护是同等重要的。
A. 对
B. 错
【判断题】
井控设计的目的是满足作业施工中对井下压力的控制,防止井喷或井喷失控事故的发生。
A. 对
B. 错
【判断题】
工程设计应包括井控内容,对射孔层、气层、高压层的井控措施,应满足一、二级井控要求。
A. 对
B. 错
【判断题】
井下作业井控装备比钻井井控装备重量轻,体积小,结构简单。
A. 对
B. 错
【判断题】
井下作业井控从工况上来说要比钻井井控简单得多。
A. 对
B. 错
【判断题】
地层某一位置的当量流体密度是这一点以上静液柱压力折算成流体密度。
A. 对
B. 错
【判断题】
正常地层压力梯度范围是根据地层中常见的清水和盐水两种流体计算得来。
A. 对
B. 错
【判断题】
井底压力是指地面和井内各种压力作用在井底的总压力,它不会随着作业的不同而变化。
A. 对
B. 错
【判断题】
压力是指物体单位面积上所受到周边的作用力。
A. 对
B. 错
【判断题】
地层破裂压力是指某一深度处地层发生裂缝或破碎时所承受的压力。
A. 对
B. 错
【判断题】
静液柱压力的大小仅取决于流体的密度和液柱的垂直高度,与井筒尺寸无关。
A. 对
B. 错
【判断题】
异常高压地层压力当量修井液密度小于地层水的密度。
A. 对
B. 错
【判断题】
地层的埋藏深度越深,岩石的密度越大,孔隙度越小,上覆岩层压力越小。
A. 对
B. 错
【判断题】
地层压力通常分为正常地层压力、抽汲压力和激动压力。
A. 对
B. 错
【判断题】
按习惯地层压力系数为1.0-1.07,称为正常地层压力。
A. 对
B. 错
【判断题】
起管柱时不及时向井内灌修井液或灌量不足、快速起管柱情况最为危险。
A. 对
B. 错
【单选题】
起管柱作业产生的抽汲压力,其结果是___。
A. 增大井底压力
B. 降低有效的井口压力
C. 增大有效的井口压力
D. 降低有效的井底压力
【单选题】
下管柱作业产生的激动压力,其结果是___。
A. 有利于促进油层的改造
B. 降低有效的井口压力
C. 增大有效井底压力
D. 有利于井口装置压力等级的提高
【单选题】
泵压是向井内泵入井液时,克服井内循环系统中___以及井口回压或地层压力等所需要的压力。
A. 摩擦损失和油、套压力不平衡
B. 摩擦力和油、套压力平衡
C. 摩擦和油、套压力
D. 摩阻和油、套压力平衡
【单选题】
井内液体处于静止或停止循环状态时,井底压力等于___。
A. 1/2循环时的泵压
B. 井筒中液柱的静液压力
C. 1/2-1/3循环立压
D. 井筒中液柱的流动压力
【单选题】
下管柱时,井底压力等于___。
A. 静液压力+激动压力-冲击产生的压力
B. 管柱下放时产生的激动压力+1/2静液压力
C. 静液压力+激动压力+冲击产生的压力
D. 静液压力+管柱下放时产生的激动压力
【单选题】
正常正循环时,井底压力等于___。
A. 井液压力+环空流体的摩阻压力
B. 井液压力+油管内流体的摩阻压力
C. 环空流体的摩阻压力
D. 油管内流体的摩阻压力
【单选题】
修井液中混油过量或混油不均匀,容易造成井内液柱压力___地层孔隙压力。
A. 高于
B. 低于
C. 减小
D. 增大
【单选题】
静止状态下,要监测井口液面,防止液柱高度下降___井底压力。
A. 减小
B. 增加
C. 不变
D. 大幅度减小