【单选题】
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
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相关试题
【单选题】
How can you protect CDP from reconnaissance attacks？___
A. Enable dynamic ARP inspection on all untrusted ports.
B. Enable dot1x on all ports that are connected to other switches.
C.
D. isable CDP on ports connected to endpoints.
【单选题】
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 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
【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
推荐试题
【单选题】
下面不是UPS输出特性的是（ ）___
A. 输出电压稳定度
B. 旁路电压范围
C. 过载能力
D. 整机效率
E.
F.
【单选题】
下面不属于PTN分组传送的特点的是（ ）___
A. 提供QoS保证
B. 电信级的维护管理
C. 面向连接的多业务传送
D. 刚性管道
E.
F.
【单选题】
下面不属于华为Metro 1000设备的通信告警的是___
A. 上路总线时钟丢失
B. B.保护倒换失败指示
C. C.保护倒换指示
D. D.AU告警指示
E.
F.
【单选题】
下面的哪个OSPF术语代表了一个相连的（或邻接的）路由器启动了OSPF进程，而且接口也被放入同一个域内？ ___
A. Link
B. Neighbor
C. LSA
D. STP
E.
F.
【单选题】
下面对数通设备故障现象说法错误的是___
A. 板卡端口无法使用，华为AR 28-31 LAN灯或AR 18-18 100M ETH灯常亮
B. B.线路连接故障会导致客户公网IP无法访问
C. C.交换机配置错误会导致交换机上不同端口间的无法通信
D. D.电源故障会导致电源指示灯POWER不亮
E.
F.
【单选题】
下面对维护网管而言不算重要的工作是（ ）___
A. 每周对网管配置进行备份。
B. 安装不会影响网管的计算机杀毒软件。
C. 修改账号密码，增强安全性
D. 备份网管安装包
E.
F.
【单选题】
PPPOE流程中一个或者多个BAS发送的给予分组的信令为（ ）___
A. PADI
B. PADO
C. PADS
D. PADT
E.
F.
【单选题】
不适用于密集波分复用系统的光纤类型有（）___
A. G.652
B. G.653
C. G.654
D. G.655
E.
F.
【单选题】
下面告警中哪个是表示LOS告警含义的___
A. 信号远端失效指示
B. 帧同步丢失指示
C. 时钟丢失指示
D. 信号丢失告警
E.
F.
【单选题】
VTP的作用是（ ）___
A. 在整个网络中保持 VLAN 配置一致
B. 从一个 VLAN 向另一个 VLAN 路由帧
C. 沿交换机之间的最佳路径路由帧
D. 向用户数据帧添加 VLAN 成员资格信息标记
E.
F.
【单选题】
通过Q接口与上一级管理层互通的网元称为（）___
A. 网桥
B. 网卡
C. 网关
D. 路由器
E.
F.
【单选题】
下面关于SDH管理网结构的说法错误的是： ___
A. SDH网络管理网中，不会出现多个可寻址的SDH NE。
B. 不同站局之间的SDH NE之间的通信链路通常由SDH ECC构成。
C. ECC用于SDH NE间传递管理信息。
D. 在同一个站局内，SDH NE可以通过站内的ECC或者是用LCN提供通信。
E.
F.
【单选题】
下面关于STM-4帧结构的描述不正确的（）___
A. 以字节为基础的矩形块状帧结构
B. 帧结构中字节的传输满足由左至右，而后自上向下的顺序
C. 每帧中共包含77760比特，传输一帧的时间为500微妙
D. 包含段开销、管理单元指针和净负荷三个主要区域
E.
F.
【单选题】
下面关于UPS的说法不正确的是（ ）___
A. 在线互动式和后备式UPS停电后均有切换时间
B. 同种条件下，在线互动式UPS比后备式供电质量要高
C. 同容量来讲，在线式UPS比后备式和在线互动式成本都高
D. 后备式和在线互动式UPS的切换时间在秒级
E.
F.
【单选题】
下面哪个电压不属于我国目前采用的输电标准电压.（ ）___
A. 35KV
B. 110KV
C. 330KV
D. 10KV
E.
F.
【单选题】
下面哪个可以使访问控制列表真正生效___
A. 将访问控制列表应用到接口上
B. 使用扩展访问控制列表
C. 使用多条访问控制列表的组合
D. 用access-list命令配置访问控制列表
E.
F.
【单选题】
下面哪个是正确的默认路由(default route)（）___
A. route ip 172.0.0.0 255.0.0.0 s0
B. ip route 0.0.0.0 0.0.0.0 172.16.20.1
C. ip route 0.0.0.0 255.255.255.255 172.16.20.1
D. route ip 0.0.0.0 255.255.255.0 172.16.10.11 50
E.
F.
【单选题】
下面哪些操作系统默认支持PPPoE拨号客户端( )___
A. windows xp
B. windows 95
C. windows 98
D. windows 2000
E.
F.
【单选题】
下面哪一个设备最适合工作于两个信任程度不同的网络之间，并对两个网络之间的通信进行控制，通过强制实施统一的安全策略，防止对重要信息资源的非法存取和访问以达到保护系统安全的目的？___
A. 防火墙
B. 网关
C. 路由器
D. 入侵检测系统
E.
F.
【单选题】
下面哪种不是互联网专线的接入实现方式___
A. 窄带PBX
B. 协转
C. 光纤收发器
D. GPON
E.
F.
【单选题】
不属于TMN的管理功能模块的是：___
A. QAF
B. NLF
C. WSF
D. OSF
E.
F.
【单选题】
通过show reg onu link 1查看5506-07的类型为( )___
A. 340
B. 341
C. 345
D.
E.
F.
【单选题】
下面哪种情况下，ONU设备的业务全部中断 ___
A. POWER灯常亮
B. RUN灯闪烁
C. AUTH灯闪烁
D. LINK灯常亮
E.
F.
【单选题】
下面哪种专线不是移动公司为集团客户提供的专用服务___
A. VPN专线
B. 互联网专线
C. 无线DDN
D. 客户端内网线路
E.
F.
【单选题】
下面那个命令是创建数据库的命令（ ）___
A. createandb -s -t
B. createsapces -s -t
C. onstat -s
D.
E.
F.
【单选题】
下面那些告警会引发MS-AIS告警 ___
A. AU-LOP
B. RS-LOS
C. B1超限
D. B3超限
E.
F.
【单选题】
下面属于线路故障类型的是( )___
A. 停电
B. 法兰头
C. 单板故障
D. 纤芯中断
E.
F.
【单选题】
下面属于支路板告警的是( )___
A. TU_AIS
B. OOF
C. R_LOS
D. ETH_LOS
E.
F.
【单选题】
下面协议中那一个是工作在传输层并且是面向无连接的。（ ）___
A. IP
B. B、ARP
C. C、TCP
D. D、UDP
E.
F.
【单选题】
纤芯在光分纤盒.光分路器盒内的盘留不低于( )米.___
A. 0.2
B. 0.4
C. 0.5
D. 0.6
E.
F.
【单选题】
现场服务书不满意工单的判断标准为：用户对服务态度、服务质量、服务水平和处理历时四个选项中评价为 时，将判为不满意工单。___
A. 服务态度、服务质量、服务水平
B. 服务质量、服务水平、处理历时
C. 服务水平、处理历时、服务态度
D. 服务态度、服务质量、服务水平、处理历时
E.
F.
【单选题】
现场施工时，应先征求客户意见，按照客户选择的位置安装，布局要合理，室内尽量最大限度做到暗线；若需走线，应隐蔽卡钉并间隔（ ）cm钉一个；施工确需要挪动物品时，必须得到客户许可，搬动物品时，应小心避免任何损坏.___
A. 30-40
B. 50-60
C. 70-80
D. 90-100
E.
F.
【单选题】
退出client当前用户的操作是什么（ ）___
A. -1
B. -2
C. -3
D. -4
E.
F.
【单选题】
采用TP4协议栈时，一台UNIX最多能管理的网块数为（ ）___
A. 8
B. 16
C. 24
D. 32
E.
F.
【单选题】
现场用电脑认证上网正常，但远程无法PING通AP管理地址，也无法远程登陆管理，可能是由于下列哪种原因导致___
A. AP网关配置错误
B. AP在线用户数过多
C. AP被配置为802.11g/b 模式
D. 现场存在非法AP
E.
F.
【单选题】
现阶段TDM语音专线PRI链路D通道使用的数字通道速率是（）。___
A. A.128Kbps
B. B.32Kbps
C. C.64Kbps
D. D.256Kbps
E.
F.
【单选题】
现在广泛使用的光纤接口类型是：（ ）___
A. ST卡接式方形接口
B. SC方形光纤接口
C. LC窄体方形光纤
D. FC带螺纹圆形形接口
E.
F.
【单选题】
限制光信号传送距离的条件，下面说法错误的是 ：( )___
A. 激光器发模块发送功
B. 激光器收模块接收灵敏度
C. 发光模块的色散容限
D. 收光模块色散容限
E.
F.
【单选题】
线路板红灯常亮是何种故障？( ) ___
A. 本板硬件故障
B. B1误码越限
C. 发端时钟丢失
D. LOS
E.
F.
【单选题】
线性保护的倒换优先级为 ( )___
A. 保护闭锁>保护通道信号失效>强制倒换>工作信道信号失效>工作信道信号劣化>人工倒换
B. 保护闭锁>强制倒换>保护通道信号失效>工作信道信号失效>工作信道信号劣化>人工倒换
C. 强制倒换>保护闭锁>保护通道信号失效>工作信道信号失效>工作信道信号劣化>人工倒换
D. 强制倒换>保护通道信号失效>保护闭锁>工作信道信号失效>工作信道信号劣化>人工倒换
E.
F.
