【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.
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相关试题
【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
【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？___
【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
推荐试题
【单选题】
触电伤员脱离电源后，正确的抢救体位是（ ）。___
A. 左侧卧位
B. 右侧卧位
C. 仰卧位
D. 俯卧位
【单选题】
触电急救，当采用胸外心脏按压法进行急救时，伤员应仰卧于（ ）上。___
A. 柔软床垫
B. 硬板床或地
C. 担架
D. 弹簧床
【单选题】
触电急救，胸外心脏按压频率应保持在（ ）次/min。___
A. 60
B. 80
C. 100
D. 120
【单选题】
进行心肺复苏法时，如有担架搬运伤员，应该持续做心肺复苏，中断时间不超过（ ）s。___
【单选题】
被电击伤并经过心肺复苏抢救成功的电击伤员，都应让其充分休息，并在医务人员指导下进行不少于（ ）h的心脏监护。___
【单选题】
烧伤急救时，强酸或碱灼伤应迅速脱去被溅染衣物，现场立即用大量清水彻底冲洗，要彻底，然后用适当的药物给予中和；冲洗时间不少于（ ）min。___
【单选题】
犬咬伤后应立即用浓肥皂水或清水冲洗伤口至少（ ）min，同时用挤压法自上而下将残留伤口内唾液挤出，然后再用碘酒涂搽伤口。___
【判断题】
事故紧急抢修工作，指电气设备发生故障被迫紧急停止运行，需按计划恢复的抢修和排除故障的工作
【判断题】
新参加电气工作的人员、实习人员和临时参加劳动的人员（管理人员、非全日制用工等），应经过安全知识教育后，方可到现场单独工作
【判断题】
待用间隔的隔离开关（刀闸）操作手柄、网门可不加锁
【判断题】
高压设备上工作，在手车开关拉出后，应观察隔离挡板是否可靠封闭
【判断题】
在运行中若必须进行中性点接地点断开的工作时，应先建立有效的旁路接地才可进行断开工作
【判断题】
经本单位批准允许单独巡视高压设备的人员巡视高压设备时，如果确因工作需要，可临时移开或越过遮栏，事后应立即恢复
【判断题】
地震、台风、洪水、泥石流等灾害发生后，如需要对设备进行巡视时，应制定必要的安全措施，得到设备运维管理单位批准，可单人巡视，但巡视人员应与派出部门之间保持通信联络
【判断题】
单人值班的变电站或发电厂升压站操作时，运维人员应根据发令人用电话传达的操作指令进行，可不用操作票
【判断题】
在进行倒负荷或解、并列操作前后，检查相关电源运行及负荷分配情况，不必填入操作票内
【判断题】
高压电气设备都应安装完善的防误操作闭锁装置
【判断题】
倒闸操作的基本条件之一：有值班调控人员、运维负责人正式发布的指令，并使用经事先审核合格的操作票
【判断题】
设备检修时，回路中的各来电侧刀闸操作手柄和电动操作刀闸机构箱的箱门应加挂机械锁
【判断题】
对未装防误操作闭锁装置或闭锁装置失灵的刀闸手柄、阀厅大门和网门，应加挂标识牌
【判断题】
在现场条件允许的情况下，可带负荷拉合隔离开关（刀闸）
【判断题】
现场开始操作前，应先在模拟图（或微机防误装置、微机监控装置）上进行核对性模拟预演，无误后，再进行操作
【判断题】
现场开始操作中应按操作票填写的顺序逐项操作。每操作完一步，应检查无误后作一个“√”记号，全部操作完毕后即可
【判断题】
远方操作一次设备前，宜对现场发出提示信号，提醒现场人员观察设备状态
【判断题】
倒闸操作中不准擅自更改操作票，不准随意解除闭锁装置
【判断题】
解锁工具（钥匙）使用后应在所有工作结束后再封存并做好记录
【判断题】
继电保护远方操作时，至少应有一个指示发生对应变化，且所有这些确定的指示均已同时发生对应变化，才能确认该设备已操作到位
【判断题】
电气设备停电后（包括事故停电），在未拉开有关断路器（开关）前，不得触及设备或进入遮栏，以防突然来电
【判断题】
单人操作时若需进行登高或登杆操作，应做好相应的安全措施
【判断题】
在发生人身触电事故时，可以不经许可，即行断开有关设备的电源，但事后应立即报告调度控制中心（或设备运维管理单位）和上级部门
【判断题】
手动切除交流滤波器（并联电容器）前，应检查系统有足够的备用数量，保证满足当前输送功率无功需求
【判断题】
同一变电站的操作票应事先连续编号，计算机生成的操作票应在正式出票前连续编号，操作票按编号顺序使用
【判断题】
部分停电的工作，是指高压设备部分停电，或室内虽全部停电，而通至邻接高压室的门并未全部闭锁的工作
【判断题】
事故紧急抢修应填用工作票，或事故紧急抢修单
【判断题】
运维人员实施不需高压设备停电或做安全措施的变电运维一体化业务项目时，可不使用工作票，但应以书面形式记录相应的操作和工作等内容
