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【单选题】
Which security principle has been violated if data is altered in an unauthorized manner?___
A. accountability
B. confidentiality
C. availability
D. integrity
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答案
D
解析
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相关试题
【单选题】
Which IKE Phase 1 parameter can you use to require the site-to-site VPN to use a pre-shared ?___
A. encryption
B. authentication
C. group
【单选题】
Which command successfully creates an administrative user with a password of "cisco"on a Cisco router?___
A. username Operator privilege 7 password cisco
B. username Operator privilege 1 password cisco
C. username Operator privilege 15 password cisco
D. username Operator password cisco privilege 15
【单选题】
Which EAP method authenticates a client against Active Directory without the use of client-side 802.1X certificates?___
A. EAP-TLS
B. EAP-MSCHAPv2
C. EAP-PEAP
D.
E. AP-GTC
【单选题】
What is a limitation of network-based IPS?___
A. It must be in dividually configured to support every operating system on the network.
B. It is most effective at the in dividual host level
C. It is unable to monitor attacks across the entire netw ork
D. Large installations require numerous sensors to fully protect the network
【单选题】
When would you configure the ip dhcp snooping trust command on a sw itch?___
A. when the switch is connected to a DHCP server
B. when the switch is working in an edge capacit
C. when the switch is connected to a client system
D. when the switch is serving as an aggregator
【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.
【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?___
A. 4
B. 3
C. 2
D. 5
【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
推荐试题
【单选题】
用户H5满意度调查中用户评分大于等于()分时不会考核装维人员___
A. 10
B. 9
C. 8
D. 7
【单选题】
用户电脑能上QQ,网页无法打开是由于()未配置或错误引起___
A. IP地址
B. 电脑网卡
C. 路由器
D. DNS
【单选题】
用户对维护有特殊要求,且按用户要求实施将影响使用质量时,需做好用户解释工作,建议按照()实施。若用户坚持,需与用户进行书面确认,并纳入维护资料备存。___
A. 客户要求
B. 规范
C. 领导要求
D. 公司要求
【单选题】
用户使用魔百和业务时,电视显示始终是无信号,以下说法错误的是:___
A. 检查电视插线是否正确
B. 检查信号源中的端口和插线的位置是否一致
C. 更换信号线测试
D. 更换路由器测试
【单选题】
用户室内各类线缆穿放到入户综合信息箱体内需预留()厘米以上的余长。___
A. 20
B. 30
C. 40
D. 50
【单选题】
用户因为美观走线等原因要求使用无线连接,装维人员需要明确告知用户互联网电视业务对网络带宽和稳定性要求较高,由于无线连接容易受到干扰,容易引起视频业务(),影响高清、超高清服务体验。___
A. 卡顿
B. 不清晰
C. 无声音
D. 图线扭曲
【单选题】
用户终端光衰大于()db为弱光用户。___
A. -26
B. -27
C. -28
D. -29
【单选题】
有锋刃的工具(如尖嘴钳、斜口钳、电工刀等),不准插入腰带上或放置在衣服口袋内,应放置于()内___
A. 工具包
B. 裤袋
C. 塑料袋
D. 背包
【单选题】
月度新装投诉率=当月投诉工单中派单时间距装机工单归档时间小于()天的工单数量/当月新装工单数(含宽带、互联网电视、IMS)___
A. 10
B. 20
C. 30
D. 40
【单选题】
运输或存放时,工具的刀锋口不可(),以免伤人。___
A. 朝左
B. 朝上、朝外
C. 朝右
D. 朝下
【单选题】
在1万伏裸线水泥电杆附近作业,须与电力线保持至少()米距离,以确保作业安全。___
A. 0.6
B. 2.5
C. 4
D. 6
【单选题】
在220伏带绝缘层电力线附近作业,须与电力线保持至少()米最小空中安全距离。___
A. 0.6
B. 2.5
C. 4
D. 6
【单选题】
在FTTH方式弱光整改过程中,ONU侧接头熔好后的收光功率,应大于()。___
A. 负20dbm
B. 负22dbm
C. 负24dbm
D. 负25dbm
【单选题】
在FTTH方式弱光整治过程中,ONU侧接头熔好后的收光功率,应大于()dbm。___
A. -20
B. -22
C. -24
D. -25
【单选题】
在GPON网络中,ONU(光网络单元)到OLT(光线路终端)间的距离最远可达到()。___
A. 10km
B. 20km
C. 40km
D. 60km
【单选题】
在ODN接入工程中,光缆交接箱的安装方式除了落地式、架空式,还有()。___
A. 壁龛式
B. 落地式
C. 架空式
D. 墙挂式
【单选题】
在ODN接入工程中光缆交接箱的主要安装方式不包括()。___
A. 壁龛式
B. 落地式
C. 架空式
D. 墙挂式
【单选题】
在ODN网络中,1×4光分路器的插入损耗约为()。___
A. 3dB
B. 4.5dB
C. 5.6dB
D. 7.2dB
【单选题】
在ODN网络中,1×8光分路器的插入损耗约为()。___
A. 6dB
B. 7.5dB
C. 10.5dB
D. 12.5dB
【单选题】
在ODN网络中,关于光纤自身的衰耗,光纤上行(ONU-OLT)允许衰耗值为()。___
A. 0.5dB/km
B. 0.4dB/km
C. 0.3dB/km
D. 0.2dB/km
【单选题】
在ODN网络中,关于光纤自身的衰耗,光纤下行(OLT-ONU)允许衰耗值为()。___
A. 0.5dB/km
B. 0.4dB/km
C. 0.3dB/km
D. 0.2dB/km
【单选题】
在PON光网络中,分光级数原则上不能超过()。___
A. 二级
B. 三级
C. 四级
D. 五级
【单选题】
在PON网络中,ODN1:16光分路器的损耗是()db。___
A. 7.4
B. 10.5
C. 13.8
D. 17.1
【单选题】
在PON网络中,ODN1:32光分路器的损耗是()db。___
A. 7.4
B. 10.5
C. 13.8
D. 17.1
【单选题】
在Windos7系统中,由于用户端ONU设备端口故障,宽带拨号会出现的错误代码是()。___
A. 651
B. 691
C. 769
D. 734
【单选题】
在Windos7系统中,由于用户端ONU设备端口故障,宽带连接拨号提示的错误代码是651。___
A. 账号密码输入错误
B. 用户端ONU设备端口故障
C. 账号到期
D. 端口限制
【单选题】
在WindosXP系统中,用户的PC网卡出现故障提示()错误代码。___
A. 678
B. 691
C. 769
D. 734
【单选题】
在WindosXP系统中,由于()原因,宽带连接拨号提示的错误代码是691。___
A. 用户输入的帐号或密码错误
B. 用户电脑与ONT设备之间的网线故障
C. 入户线中断
D. 用户电脑操作系统的宽带连接被破坏
【单选题】
在WindosXP系统中,由于用户电脑与ONT设备之间的网线故障,宽带连接拨号提示的错误代码是678。___
A. 账号密码输入错误
B. 用户电脑与ONT设备之间的网线故障
C. 账号到期
D. 端口限制
【单选题】
在WindowsXP中,可以使用()来浏览日志文件。___
A. 事件查看器
B. 浏览器
C. 超级终端
D. 信息服务
【单选题】
在Windows操作系统中,回收站可以恢复()上使用<Del>键删除的文件或文件夹。___
A. 软盘
B. 硬盘
C. U盘
D. 软盘和硬盘
【单选题】
在Windows的网络属性配置中,默认网关应该设置为()的地址。___
A. DNS服务器
B. Web服务器
C. 路由器
D. 交换机
【单选题】
在服务工作中,对用户提出的要求,在符合规定、条件允许的情况下,应予满足;对用户的不合理要求,应给予耐心解释并()。___
A. 婉言拒绝
B. 直接拒绝
C. 接受
D. 不再理睬
【单选题】
在服务中对用户提出的要求不清楚或没有把握时,正确地做法是()。___
A. 应满足用户任何要求
B. 应给予耐心解释并婉言拒绝
C. 详细记录,请示上级后尽快将解决方案或处理结果反馈给用户
D. 当做没听到
【单选题】
在高压电力线下方架设缆线,应在高压线和缆线交越之间做()装置。___
A. 分离
B. 保护
C. 断电
D. 隔断
【单选题】
在高压线附近作业,离高压线最小距离是35千伏电压以下为()米,35千伏以上为()米。___
A. 0.5、2.5
B. 0.5、4
C. 2.5、4
D. 2.5、6
【单选题】
在故障检测中,()网络命令可以帮助用来检测连通性。___
A. PING
B. NSLOOKUP
C. IPCONFIG
D. SHOWVERSION
【单选题】
在光通信中,ODN1:16光分路器的损耗大概是()。___
A. 12db
B. 14db
C. 16db
D. 9db
【单选题】
在家客掌上运维APP收到投诉工单后,要求在()小时进行跟用户取得联系并预约上门时间。___
A. 0.5
B. 1
C. 1.5
D. 2
【单选题】
在家庭宽带安装中,无线路由器上的WAN接口应该与()设备连接。___
A. 电脑
B. 集线器
C. 机顶盒
D. ONU
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