【单选题】
Which option is a key security compone nt of and MDM deployment ?___
A. using network-specific installer packages
B. using an application tunnel by default
C. using self-signed certificates to validate the server
D. using MS-CHAPv2 as the primary
E. AP method
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相关试题
【单选题】
Which Firepower Management Center feature detects and block exploits and hack attempts?___
A. Content blocker
B. file control
C. intrusion prevention
D. advanced malware protection
【单选题】
hich description of the nonsecret numbers that are used to start a Diffie- Hellman exchange is ture?___
A. They are preconfigured prime integers.
B. They are large pseudorandom numbers.
C. They are very small numbers chosen from a table of known valuses
D. They are numeric values extracted from ha shed system hostnames
【多选题】
Which two characteristics of an application layer firewall are true?___
A. provides stateful firewal functionality
B. has low processor usage
C. provides protection for multiple applications
D. provides rever se proxy services
E. is immune to URL manipulation
【多选题】
Which two devices are components of the BYOD architectural framework?___
A. Nexus 7010 switch
B. Cisco 3945 Router
C. Identify Services Engine
D. Wireless Access oints
E. Prime Infrastructure
【多选题】
Which two actions can a zone based firewall take when looking at traffic? ___
A. forward
B. inspect
C. drop
D. broadcast
E. filter
【多选题】
n which two situations should you use in-band management?___
A. when management applications need concurrent access to the device
B. when you require administrator access from multiple locations
C. when a network device fails to forward packets
D. when you require ROMMON access
E. when the control plane fails to respond
【多选题】
What are two ways to prevent eavesdropping when you perform device management tasks?___
A. Use an SSH connection.
B. Use SNMPv3
C. Use out-of-band management
D. Use SNMP
E. Use in-band management
【多选题】
Which two features are commonly used CoPP and CPPr to protect the control plane? ___
A. QoS
B. traffic classification
C. access lists
D. policy maps
E. class maps
F. Cisco Express Forwarding
【多选题】
Which four tunne ling prot ocols are enabled in the Dfit GrpPolicy group policy ?___
A. Clientless SSL VPN
B. SSL VPN Client
C. PPTP
D. L2TP/IPsec
E. IPsec IKEv1
F. IPsec IKEv2
【多选题】
Which two statements regarding the aSA VPN configurations are correct?___
A. The asa has a certificate issued by an external certificate authority associated to the ASDM TrustPoint1
B. The Default WEBVPNGroup Connection Profile is using the aaa with RADIUS server method
C. The Inside-srvbook mark references the https://192.168.1.2url
D. Only Clientless SSL VPN access is allowed with the Sales group policy
E. Any Connect, IPSec IKEv1, and IPSec IKEv2 VPN access is enabled on the outside interface
F. The Inside -SRV bookmark has not been applied to the Sales group policy
【多选题】
Which three ESP fields can be encrypted during transmission?___
A. Security Parameter Index
B. Sequence Number
C. MAC Address
D. Padding
E. Pad length
F. Next Header
【多选题】
.Which three statements de scribe DHCP spoofing attacks?___
A. They can modify traffic in transit.
B. They are used to perform man- in-the-middle attacks
C. They use ARP poisoning
D. They can access most network devices
E. They protect the ide ntity of the attacker by masking the DHCP address.
F. They are can physically modify the network gateway.
【多选题】
Which statement about the communication between interfaces on the same security level is true?___
A. Interfaces on the same security level require additional configuration to permit interinterface communication
B. Configuring interfaces on the same security level can cause asymmetric routing
C. All traffic is allowed by default between interfaces on the same security level
D. You can configure only one interface on a n individual security level
【多选题】
In which two situations should you use in band management? ___
A. when the control plane fails to respond
B. when you require administrator access from multiple locations
C. when you require ROMMON access.
D. where a network device fails to forward packets
E. when multiple ma nagement applications need concument access to the device.
【多选题】
Which two features are supported in a VRF-aware softwar infrastructure before VRF-lite?___
A. multicast
B. fair queuing
C. WCCP
D.
E. IGRP
【多选题】
.Which loS command do you enter to test authentication again a AAA server?___
A. dialer aaa suffix <suffix> password <password>
B. ppp authentication chap pap test
C. test aaa-server authentication dialer group user name <user> password <password>
D. aaa authentication enable default test group tacases
【多选题】
Which two statements about the self zone on a cisco Xone based policy firewall are true?___
A. Multiple interfaces can be assigned to the self zone
B. it supports stateful inspections for multicast traffic
C. zone pairs that include the self zone apply to traffic transiting the device.
D. it can be either the source zone or the destination zone
E. traffic entering the self zone must match a rule
【多选题】
Which type of attack can exploit design flaws in the implementation of an application without ?___
A. DHCP starvation attacks
B. low-rate dos attacks
C. application DDos flood attacks
D. application DDoS flood attacks
E. volume-based DDoS attacks
【单选题】
Which type of firewall can server as the interme diary between a client and a server ?___
A. Stateless firewall
B. application firewall
C. proxy firewall
D. personal firewall
【单选题】
What is the highest security level that can be configured for an interface on an ASA?___
【单选题】
Which term refers to the electromagnetic interference that can radiate from network cables?___
A. Gaussian distributions
B. Doppler waves
C. emanations
D. multimode distortion
【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
推荐试题
【单选题】
ZC-8型接地电阻测试仪的Eˊ、Pˊ、Cˊ应保持直线,其间距为 ___ 。
A. 10mm
B. 20mm
C. 30mm
D. 40mm
【单选题】
凡是进路的始端部位都应设___ 取消继电器QJ。
【单选题】
调车信号辅助组合DXF主要用于 ___。
A. 调车信号机
B. 尽头型调车信号机
C. 单置调车信号机及变通按钮
D. 差置调车信号机
【单选题】
进站信号机点灯电路共有 ___线。
A. 8条
B. 9条
C. 12条
D. 14条
【单选题】
在有二个发车方向时,出站兼调车信号机应选用___组合。
A. LXZ
B. 1LXF
C. LXZ、1LXF
D. LXZ、2LXF
【单选题】
列车信号主组合LXZ共有六张类型图,其图号A-2/LXZ中“A”表示___ 。
A. 进站
B. 出站
C. 一个发车方向
D. 二个发车方向
【单选题】
根据平行进路断线法规律,优先道岔在左侧,撇型道岔断开 ___控制电源。
【单选题】
单动道岔组合共有四张类型图,其中弯股 反位. 在上直股在下,且是第一笔道岔的图号为 ___。
A. 1/DD
B. 2/DD
C. 3/DD
D. 4/DD
【单选题】
6502电气集中5、6线上串有下列三组继电器接点正确的是 ___。
A. QJJ、XJJ、DGJ
B. QJJ、CJ、DGJ
C. QJJ、CJ、FDGJ
D. QJ、CJ、DGJ
【单选题】
列车开始继电器LKJ自闭电路中并有 ___继电器接点。
【单选题】
信号检查继电器XJJ利用8线上串接KJ后接点和ZJ后接点来实现 ___。
A. 本咽喉没有建立敌对进路
B. 另一咽喉区没未建立敌对进路
C. 选排一致
D. 本咽喉没有建立进路
【单选题】
道岔启动电路中1DQJ的1-2线圈串入道岔动作电路的作用有 ___ 。
【单选题】
区段检查继电器QJJ、GJJ是挂在9线上,电路中的DBJ或FBJ的第2组接点是 ___用的。
A. 检查道岔位置
B. 参与道岔位置检查
C. 区分站场形状
D. 检查敌对进路
【单选题】
___时,进路上轨道区段的解锁顺序是从始终至终端方向逐段解锁。
A. 取消进路
B. 人工解锁
C. 正常解锁
D. 故障解锁
【单选题】
办理调车进路时,进路终端经过 ___ 的前接点向网路发送KZ或KF电源。
A. ZJ
B. ZCJ
C. XJJ
D. JXJ
【单选题】
6502电气集中利用CJ的 ___在正常解锁时,接通解锁网络使下一区段的LJ得以正常动作。
A. 快动
B. 正常动作
C. 缓动
D. 落下
【单选题】
进站、出站、进路或通过信号机的灯光熄灭、显示不明或显示不正确时,均视为___信号。
A. 正常行进
B. 减速
C. 停车
D. 错误
【单选题】
四线制道岔在分线盘上X1 或X2. 与X3线端子测量电压,判断道岔表示电路故障,当测得交流为105V、直流为0V,可判断为___。
A. 室外二极管击穿造成短路
B. 室外断线
C. 室内断线
D. 电容短路
【单选题】
信号机点亮红灯时___。
A. LXJ↓、DXJ↓、DJ↑
B. LXJ↑、DXJ↑、DJ↓
C. LXJ↑、ZXJ↑、2LQJ↓、DJ↑
D. LXJ↓、DXJ↑、DJ↑
【单选题】
6502电气集中选岔电路中,始端的___吸起与方向电源配合使LKJ或FKJ励磁并自闭。
【单选题】
6502电气集中选岔电路中,终端JXJ吸起与方向电源配合,使___励磁并自闭。
【单选题】
在MΩ表“线路L”端的外围,有一个铜质圆环,称为___ 。
A. 保护环
B. 接地环
C. 防护环
D. 安全环
【单选题】
微型计算机的微处理器包括___。
A. CPU和存储器
B. 运算器和累加器
C. CPU和控制器
D. 运算器和控制器
【单选题】
微型计算机的性能主要由微处理器的___决定。
A. 质量
B. 控制器
C. CPU
D. 价格性能比
【单选题】
计算机之所以能实现自动连续运算,是由于采用了___原理。
A. 布尔逻辑
B. 存储程序
C. 数字电路
D. 集成电路
【单选题】
用万用表判断三极管的三个电极,任意测两极间的电阻,若有一个极与另外两极间的阻值在一个方向同时为低阻值,交换一下表笔,又同时为高阻值,则说明这个极是 ___ 。
A. 基极
B. 发射极
C. 集电极
D. 无法确定
【单选题】
两个稳压值不同的稳压二极管用不同的方式串联起来,可组成的稳压值有___。
【单选题】
将一只稳压二极管和一只普通二极管串联后,可得到的稳压值有___。
【单选题】
计算机中信息存储的最小单位是___ 。
【单选题】
如果被测电阻值超出所选择量程的最大值,万用表将显示___,这时应选择更高的量程。
A. “1”
B. “000”
C. “-”
D. 无显示
【单选题】
6502电气集中ZQJ不能励磁的故障现象 ___。
A. 办理取消进路手续时,总取消表示灯不亮,信号可以取消。
B. 总取消和总人解按钮表示灯均不亮。
C. 办理取消进路手续时,总取消表示灯不亮,且信号不能取消。
D. 总取消和总人解按钮表示灯均亮。
【单选题】
6502电气集中ZRJ不能励磁的故障现象___ 。
A. 办理取消进路手续时,总取消表示灯不亮,信号可以取消。
B. 总取消和总人解按钮表示灯均不亮。
C. 办理取消进路手续时,总取消表示灯不亮,且信号不能取消。
D. 总取消和总人解按钮表示灯均亮。
【单选题】
6502电气集中控制台引来的各种电源线以及从组合架引来的接通道岔表示电源线,都先连到就近的K1段控制台零层4柱端子板上,其中___ 电源,考虑到电流较大,还需经过汇流排端子转接。
A. KZ、KF、JZ三种电源
B. KZ、KF、DZ三种电源
C. KZ、KF两种电源
D. KZ、KF、JF三种电源
【单选题】
6502电气集中组合架六列侧面端子的用途,原则上规定:除定型网络线以外,组合与组合之间的联系用 ___ 。
A. 01与02
B. 02与03
C. 03与04
D. 06
【单选题】
发射极放大器的输出电压和输入电压在相位上的关系是 ___ 。
A. 同相位
B. 相位差90°
C. 相位差180°
D. 不能确定
【单选题】
6502电气集中,执行组电路中, ___ 吸起,将XJJ接上第8线。
A. KJ
B. FKJ
C. JXJ
D. JYJ
【单选题】
6502电气集中,执行组电路中,第8线检查的基本联锁条件是 ___ 。
A. 道岔位置正确,进路空闲。
B. 道岔位置正确,敌对进路未建立。
C. 进路空闲,敌对进路未建立,信号正常。
D. 道岔位置正确,进路空闲,敌对进路未建立。
【单选题】
在控制台上区分7,8,9线故障时,可在控制台上增加办理引导进路锁闭操作,则可根据原来办理的进路,判断出故障所处位置,例如:若原来办理的是接车进路,办理引导锁闭后进路无白光带,说明 ___ 。
A. 9线的QJJ和GJJ故障
B. 7线的KJ故障
C. 8线的XJJ故障
D. 9线的GJJ故障
【单选题】
控制台零层一块定型配线的端子板,可供 ___ 使用,使用后的空余端子也不再另作它用。
A. 一组单动道岔
B. 一架信号机
C. 一组单动道岔和一架信号机
D. 一组单动道岔和一组双动道岔