【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.
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相关试题
【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
【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
推荐试题
【单选题】
哪个部件使绿系统刹车有优先性___
A. 刹车选择valve；
B. 双蝶形valve；
C. 自动选择器。
D.
【单选题】
扭力臂阻尼器的作用是___
A. 保持起落架轮轴的位置；
B. 减小着陆时上下扭力臂之间的震动；
C. 减小上下扭力臂在着陆过程中产生的相互作用力。
D.
【单选题】
排放管的加热温度控制在___
A. Ａ１０摄氏度－２０摄氏度；
B. Ｂ５摄氏度－２５摄氏度；
C. Ｃ５摄氏度－１５摄氏度。
D.
【单选题】
起落架收放手柄旁边的红色箭头灯亮表示___
A. 起落架位置与手柄位置不一致；
B. 正常收放失效，需进行重力放下；
C. 着陆方式下，起落架未放下锁定。
D.
【单选题】
起落架收放液压系统中，切断（CUT-OUT）valve何时切断供压___
A. 重力放起落架时；
B. 起落架收上后；
C. 起落架放下锁好后。
D.
【单选题】
起落架收放由谁供压___
A. 黄系统；
B. 绿系统；
C. 蓝系统。
D.
【单选题】
起落架收起后，收放系统何时失压___
A. 收放手柄运动到中立位时；
B. 空速超过260±5KTS时；
C. 最后一个舱门关闭后。
D.
【单选题】
起落架收上之前，LGCIU必须探测到什么信号___
A. 三个起落架支柱全伸出；
B. 三个起落架支柱全压缩；
C. 仅一个起落架支柱伸出。
D.
【单选题】
前轮转弯旁通valve的作用___
A. 连通转弯作动筒的两个腔；
B. 给伺服valve供压；
C. BSCU失效时旁通回油。
D.
【单选题】
前轮转弯由哪一液压系统供压___
A. 黄系统；
B. 绿系统；
C. 蓝系统。
D.
【单选题】
前起落架的'空中'信号在什么条件下给出___
A. 只要减震支柱全伸出就给出；
B. 前减震支柱伸出超过30CM；
C. 前减震支柱全伸出，且前轮位于中立位。
D.
【单选题】
前起落架减震支柱和主起落架减震支柱各有几级___
A. 前1，主2；
B. 前2，主2；
C. 前1，主1。
D.
【单选题】
扰流板伸出2秒后，何种刹车减速率模式下有持续的刹车压力施加到刹车___
A. MAX；
B. MED；
C. LO。
D.
【单选题】
如果ADIRU的数据无效，防滞刹车时的参考速度从何处得出___
A. 不再需要；
B. 所有主轮的平均速度；
C. 转速最高的主轮速度。
D.
【单选题】
如果LGCIU1故障，从何处看到起落架系统位置信息___
A. 起落架显示面板；
B. ECAM系统页面；
C. A和B。
D.
【单选题】
如何来完成排放管加热系统的全部测试？___
A. 从PTP；
B. 从控制装置的测试按扭；
C. A+B。
D.
【单选题】
什么时候TAT探头要加热？___
A. 在飞行中，不在地面上；
B. 在地面上不在飞行中；
C. 仅在结冰条件下。
D.
【单选题】
什么时候结冰探测系统被禁止？___
A. 最后发动机停车；
B. 在断电时；
C. 在地面上，在1500英尺以下或TAT小于8摄氏度。
D.
【单选题】
什么时候皮托管要加热？___
A. 在飞行中不在地面上；
B. 仅在结冰条件下；
C. 正常情况下在飞行中加热，在地面上只需要低热。
D.
【单选题】
使用正常自动刹车时，哪个部件决定刹车压力___
A. SCU；
B. 刹车脚蹬；
C. 伺服valve。
D.
【单选题】
手轮control前轮转弯的最大角度___
A. 74度；
B. 90度；
C. 95度。
D.
【单选题】
双结冰探测器给出几个级别的结冰信号？___
【单选题】
停留刹车压力由谁供给___
A. 只有黄系统高压；
B. 只有刹车蓄压器；
C. 黄系统高压或刹车蓄压器。
D.
【单选题】
停留刹车由谁供压___
A. 黄系统高压；
B. 刹车蓄压器；
C. A或B。
D.
【单选题】
推拖飞机时，前轮偏转角度最大为多大___
A. 74度；
B. 95度；
C. 90度。
D.
【单选题】
拖飞机时，前起落架镜面高度超出限制值会对什麽造成损坏___
A. 定中凸轮；
B. 转弯齿轮齿条；
C. 前起内筒。
D.
【单选题】
万一一个WHC失效会发生什么？___
A. 有故障的WHC连接大其它的装置上；
B. 两个系统都丢失；
C. 相关一侧的加热失去。
D.
【单选题】
旋转机构的作用是___
A. 把压力信号变成频率信号
B. 传递轮胎压力信号从机轮到轮轴
C. 执行系统永久测试
D.
【单选题】
压力传感器传递什么信号___
A. 对应轮胎压力的直流信号
B. 对应轮胎压力的频率信号
C. 与轮胎压力相当的气动信号
D.
【单选题】
液压保险器的作用___
A. 漏油时切断油路；
B. 切断回油路；
C. 从备用伺服阀处隔离正常刹车伺服阀。
D.
【单选题】
一旦发动机防冰阀门气压不足，将会发生___
A. valve关闭就像弹簧加载至关闭；
B. valve打开就像弹簧加载至打开；
C. 维持现状。
D.
【单选题】
一旦发动机防冰阀门失去供电，那将会发生什么？___
A. 当发动机停车时阀门打开；
B. 当发动机运转时阀门打开；
C. 当发动机运转时阀门关闭。
D.
【单选题】
饮用水和废水管道在（Ａ）area是相互隔开的。___
A. Ａ１３和１４；
B. Ｂ１４和１５；
C. Ｃ１２和１３。
D.
【单选题】
迎角（AOA）用何种方式防止结冰？___
【单选题】
用___把前面挡风玻璃上的雨水清除（B）
A. 防雨液；
B. 雨刷；
C. A+B。
D.
【单选题】
由于（）的原因不使用排雨系统。___
A. 生态；
B. 工艺；
C. 效果不好。
D.
【单选题】
在备用刹车带防滞方式中，BSCU控制什么来实现防滞规则___
A. 备用伺服valve；
B. 压力控制valve；
C. 双valve。
D.
【单选题】
在地面仅为了提供试验目的，机翼防冰按扭电动打开valve达___
A. 15秒；
B. 30秒；
C. 1分钟。
D.
【单选题】
在何种状态下机翼防冰valve按扭电门允许机翼防冰系统启动？___
A. 在飞行中；
B. 在地面测试中；
C. A+B。
D.
