【单选题】
Which command do you enter to verify that a vpn connection is established between two endpoints and that the connection is passing traffic？ ___
A. Firewall#sh crypto session
B. Firewall#debug crypto isakmp
C. Firewall#tsh crypto ipsec sa
D. Firewall#sh crypto isakmp sa
查看试卷，进入试卷练习
微信扫一扫，开始刷题
答案
C
解析
暂无解析
相关试题
【单选题】
which type of Pvlan port allows communication from all port types？___
A. isolated
B. in -line
C. community
D. promiscuous
【单选题】
Which command do you enter to configure your firewall to conceal internal addresses？___
A. no ip directed-broadcast
B. no ip logging facility
C. no proxy-arp
D. no ip inspect audit-trial
E. no ip inspect
F. route
【单选题】
Which feature defines a campus area network？ ___
A. It has a limited number of segments.
B. It has limited or restricted Internet access
C. It lacks ex1ternal connectivity.
D. It has a single geographic location
【单选题】
What technology can you use to provide data confidentiality data integrity and data origin authentication on your network？___
A. IPSec
B. Certificate Authority
C. IKE
D. Data
E. ncryption Standards
【单选题】
which standard is a hybrid protocol that uses oakley and skerne ke y exchanges is an ISAKMP framework？___
A. SHA
B. IPSec
C.
D. ES
【单选题】
What is the effect of the asa command crypto isakmp nat-traversal？___
A. It opens port 500 only on the out side interface
B. It opens port 500 only on the inside interface
C. It opens port 4500 on all interfaces that are IPSec enabled
D. It opens port 4500 only on the out side interfac
【单选题】
Which Fire POWER preproce ssor engine is used to prevent SYN attacks？___
A. Inline normalization
B. IP Defragmentation
C. Ports can
D. etection
【单选题】
Which NAT type allows objects or groups to reference an IP address ？___
A. identity NAt
B. static NAT
C. dynamic
D. dynamic NAT
【单选题】
Which Auto NAT policies are processed first？___
A. Dynamic NAT with longest prefix
B. Dynamic NAT with shortest prefix
C. static NAT with longest prefix
D. static NAT with shortest prefix
【单选题】
Which feature allows a dynamic Pat pool to se lect the next address in the pat pool instead of the next port of an existing address？___
A. next IP
B. round robin
C. dynamic rotation
D. NAT address rotation
【单选题】
Which IPS detection method can you use to detect attacks that are based on the attackers IP address？___
A. anomally-based
B. policy-based
C. signature-based
D. reputation-based
【单选题】
Which type of encryption technology has the broadest platform support？___
A. software
B. middleware
C. file-level
D. hardware
【单选题】
Which type of address translation supports the initiation of comm unications bidirectionally ？___
A. multi-session PAT
B. dynamic NAT
C. dynamic PAT
D. static NAT
【单选题】
Which label is given to a person who uses existing computer scripts to hack into computers while lacking the expertise to write the own？___
A. script kiddy
B. white hat hacker
C. hacktivist
D. phreaker
【单选题】
What is the primary purpose of a defined rule in an IPS？___
A. to configure an event action that takes place when a signature is triggered
B. to define a set of actions that occur when a specific user logs in to the system
C. to configure an event action that is pre-defined by the system administrator
D. to detect internal attacks
【单选题】
Which option is the default valuce for the Diffie- Hell man group when configuring a site-to-site VPn on an asa device ？___
A. Group 1
B. Group 2
C. Group 5
D. Group 7
【单选题】
Which feature filters CoPP packets?___
A. access control lists
B. class maps
C. policy maps
D. route maps
【单选题】
Which command is used in global configuration mode to enable AAA？___
A. configure-model aaa
B. configure aaa-modelA
C. aaa new-model
D. aaa
E. XEC
【单选题】
Which statement about the given configuration is true？___
A. The single-connection command causes the device to establish one connection for all TACACS
B. The single-connection command causes the device to process one TacAcs request and then move to the next server
C. The timeout com mand causes the device to move to the next server after 20 seconds of TACACS inactive
【多选题】
What are two well-known security terms？___
A. phishing//网络钓鱼
B. ransomware //勒索软件
C. BPDU guard
D. LACP
E. hair-pinning
【多选题】
Which two commands must you enter to securely archive the primary bootset of a device___
A. router（config ）#secure boot-config
B. router（config）#auto secure
C. router（config）#secure boot-image
D. router（config）#service passw ord-encryption
【多选题】
Which two functions can SIEM provide ？___
A. correlation between logs and events from multiple systems
B. event aggregation that allows for reduced log storage requirements
C. proactive malware analysis to block malicious traffic
D. dual-factor authentication
E. centralized firewall management
【多选题】
Which two features of Cisco Web Reputation tracking can mitigate web-based threats？___
A. buffer overflow filterin dhsuowip
B. Bayesian filters
C. web reputation filters
D. outbreak filtering
E. exploit filtering
【多选题】
What are two challenges when deploying host- level IPS？ ___
A. The deployment must support multiple operating systems.
B. It is unable to provide a complete networ k picture of an attack.
C. It is unable to determine the outcome of e very attack that it detects
D. It does not provide protection for offsite computers
E. It is unable to detect fragmentation attacks
【多选题】
Which technology can be used to rate data fidelity and to provide an authenticated hash for data?___
A. file reputation
B. file analysis
C. signature updates
D. network blocking
【多选题】
Which two statements about host-based iPS solutions are true？___
A. It uses only signature-based polices
B. It can be deployed at the perimeter.
C. It can be have more restrictive policies than network-based IPS
D. it works with deployed firewall
E. It can generate alerts based on be havior at the de sto
【多选题】
When two events would cause the state table of a stateful firewall to be updated？ ___
A. when a packet is evaluated against the outbound access list and is denied
B. when a con nection is created
C. when rate-limiting is applied
D. when a connection s timer has expired within the state table.
E. when an outbound packet is forwarded to the outbound interface
【多选题】
Which two characteristics apply to an intrusion Prevention System（IPS）？___
A. Cannot drop the packet on its own
B. Cabled directly inline with the flow of the network traffic
C. Runs in promiscuous mode wat
D. Does not add delay to the original traffic
E. Can drop traffic based on a set of rules
【多选题】
crypto ipsec trans form-set myset esp-md5-hmac esp-aes-256，What are two effects of the given command？___
A. It configures authentication use AES 256.
B. It configures authentication to use MD5 HMAC
C. It configures authentication use AES 256.
D. It configures encryption to ase MD5 HMAC.
E. It configures encryption to use AES 256
【多选题】
your security team has discovered a malicious program that has been harvesting the CEos email messages and the com pany 's user database for the last 6 months. What are two possible types of attacks your team discovered？___
A. social activism
B. EPolymorphic Virus
C. advanced persistent threat
D. drive-by spyware
E. targeted malware
【单选题】
以下关于数据处理的叙述中，不正确的足___。
A. ：数据处理不仅能预测不久的未来，自时还能影响未
B. ：数据处理和数据分析可以为决策提供真知灼见
C. ：数据处理的重点应从技术角度去发现和解释数据蕴涵的意义
D. ：数据处理足从现实世界到数据，冉从数据到现实世界的过程
【单选题】
“互联网十制造”是实施《中国制造2025》的重要措施。以下对“互联网十制造”主要特征的叙述中，不正确的是___。
A. ：数字技术得到普遍应用，设计和研发实现协同与共享
B. ：通过系统集成，打通整个制造系统的数据流、信息流
C. ：企业生产将从以用户为中心向以产品为中心转型
D. ：企业、产品和用户通过网络平台实现联接和交互
【单选题】
信息技术对传统教育方式带来了深刻的变化。以下叙述中，不正确的是___。
A. ：学习者可以克服时空障碍，实现随时、随地、随愿学习
B. ：给学习者提供宽松的、内容丰富的、个性化的学习环境
C. ：通过信息技术与学科教学的整合，激发学生的学习兴趣
D. ：教育信息化的发展使学校各学科全部转型为电子化教育
【单选题】
在信息收集过过程中，需要根据项目的目标把握数据___要求，既不要纳入过多无关的数据，也不要短缺主要的数据：既不要过于简化，也不要过于繁琐。
A. ：适用性
B. ：准确性
C. ：安全性
D. ：及时性
推荐试题
【多选题】
15.我们党领导人民进行社会主义建设有改革开放前和改革开放后两个时期，关于这两个时期关系的阐述，正确的观点是___。
A. 这是两个相互联系又有重大区别的时期
B. 改革开放前二十多年建设积累了最重要的思想、物质、制度条件和正反两方面的经验，成为改革开放后中国特色社会主义建设的重要基础
C. 两个时期建设的思想指导、方针政策有很大差别，但并不是彼此割裂、更不是根本对立的，后者是对前者的坚持、改革、发展
D. 我们不能用前者否定后者，也不能用后者否定前者，对于过去的探索要坚持实事求是的思想路线，分清主流与支流，坚持真理，修正错误
【单选题】
网络管理员在网络中捕获到了一个数据帧，其目的MAC地址是01-00-5E-A0-B1-C3。关于该MAC地址的说法正确的是（）___。
A. 它是一个单播MAC地址
B. 它是一个广播MAC地址
C. 它是一个组播MAC地址
D. 它是一个非法MAC地址
【单选题】
主机的IPv4地址为200.200.200.201/30，拥有下列哪个IPv4地址的主机和其通信不需要经过路由器转发？___
A. 200.200.200.1
B. 200.200.200.202
C. 200.200.200.200
D. 200.200.200.203
【单选题】
VRP操作系统命令划分为访问级、监控级、配置级、管理级4个级别。能运行各种业务配置命令但不能操作文件系统的哪一级？___
A. 访问级
B. 监控级
C. 配置级
D. 管理级
【单选题】
9现有交换机MAC地址表如下，下列说法正确的有？___
A. MAC地址5489-9885-1838是由管理员手工配置
B. MAC地址5489-9811-0b49是由管理员手工配置
C. MAC地址5489-3891-1450是由管理员手工配置
D. 交换机重启后，所有MAC地址都需要重新学习
【单选题】
如图所示，两台交换机使用默认参数运行STP，交换机A上使用了配置命令STP root primary，交换机B上使用了配置命令STP priority 0，则下面哪个端口将会被阻塞？___
A. 交换机A的G0/0/2
B. 交换机B的G0/0/1
C. 交换机A的G0/0/1
D. HUB的E0/0/3
【单选题】
在STP协议中，假设所有交换机所配置的优先级相同，交换机1的MAC地址为00-e0-fc-00-00-40,交换机2的 MAC地址为00-e0-fc-00-00-10,交换机3的MAC地址为00-e0-fc-00-00-20,交换机4的MAC地址为00-e0-fc-00-00-80,则根交换机应当为()。___
A. 交换机1
B. 交换机2
C. 交换机3
D. 交换机4
【单选题】
如下图所示的网络，交换机的MAC地址已标出。在SWD交换机上输入命令stp root secondary，下列哪台交换机出成为此网络的根桥。___
A. SWA
B. SWB
C. SWC
D. SWD
【单选题】
下图所示的两台交换机都开启了STP协议，哪个端口最终会处于Blocking状态？___
A. SWA的G0/0/2端口
B. SWA的G0/0/3端口
C. SWB的G0/0/2端口
D. SWB的G0/0/3端口
【单选题】
以下哪个命令可以查看OSPF是否已经正确建立邻居关系？___
A. display ospf neighbor
B. display ospf brief
C. display ospf peer
D. display ospf interface
【单选题】
对于到达同一个目的网络的多条路径、路由器需要通过比较Preference值的大小进行选择，如果Preference 相同，则依据Cost值的大小进行选择。___
A. 对
B. 错
【单选题】
路由表由多个要素组成，下列说法错误的是？___
A. Proto 显示学习此路由的路由协议
B. NextHop 显示此路由的本地接口地址
C. Pre显示此路由协议的优先级
D. Destination/Mask显示目的网络/主机的地址和掩码长度
【单选题】
如果DHCP客户端申请的IP地址已经被占用时，DHCP服务器会使用哪种报文作为应答？___
A. DHCP ACK
B. DHCP RELEASE
C.
D. HCP NAK
【单选题】
华为设备可以使用Telnet协议进行管理，关于该管理功能，以下哪个说法师正确的？___
A. Telnet默认使用的端口号为22，不可以修改
B. Telnet必须开启VTY接口接口，且最大为15
C. Telnet不支持基于用户名和密码的认证
D. Telnet不支持部署ACL来增加安全性
【单选题】
交换机某个端口输出信息如下，下列说法错误的是？___
A. 如果数据帧携带的VLAN TAG为200，则交换机剥离VLAN TAG发出
B. 如果该端口收到不带VLAN TAG的数据帧则，则交换机需要添加VLAN
C. 该端口的链路类型为Hybrid类型
D. 如果数据帧携带的VLAN TAG为100，则交换机剥离VLAN TAG发出
【单选题】
基于端口划分VLAN的特点是？___
A. 根据报文携带的IP地址给数据帧添加VLAN标签
B. 根据数据帧的协议类型、封装格式来分配VLAN ID
C. 主机移动位置不需要重新配置VLAN
D. 主机移动位置需要重新配置VLAN
