【单选题】
Once you've made the Internet connection, you can send___ to any of computer user all around the w orld
A. ：e-mail
B. :WWW
C. ：ccc
D. ：web station
查看试卷，进入试卷练习
微信扫一扫，开始刷题
答案
A
解析
暂无解析
相关试题
【单选题】
Which statement about zone-based firewall configuration is true？___
A. You can assign an interface to more than one zone
B. Traffic is implicitly denied by de fault between interfaces in the same zone
C. The zone must be configured before it can be a ssigned
D. Traffic that is destined to or sourced from the Self zone is de nied by default
【单选题】
Refer to the exhibit line in this configuration prevents the help Desk user from modifying the interface configuration.___
A. Privilege exec level 10 interface
B. Privilege exec level 9 configure terminal
C. Privilege exec level 7 show start-up
D. Username HelpDesk privilege 6 password help
【单选题】
You have been tasked with blocking user access to websites that violate company policy， but the sites use dynamic IP addresses. What is the best practice for URl filtering to solve the problem？___
A. Enable URL filtering and use URL categorization to block the we bsites that violate company
B. Enable URL filtering and create a blacklist to block the websites that violate company policy
C. Enable URL filtering and create a whitelist to block the websites that violate company policy
D.
E. nable URL filtering and use URL categorization to allow only the websites that company policy allows users to access.
【单选题】
Within an 802. 1x-enabled network with the auth Fail feature configured， when does a switch port get placed into a restricted VLAN？___
A. When a conected client fails to authenticate after a certain number of attempts.
B. if a connected client does not support 802. 1x
C. when AAA new-model is ena bled
D. after a connected client exceeds a specified idle time
E. when 802. 1x is not globally enabled on the Cisco Catalyst switch
【单选题】
Which type of attack does a proxy firewall protect against ？___
A. cross-site scripting attack
B. worm traffic
C. port scanning
D. DDoS attacks
【单选题】
When an administrator initiates a device wipe command from the ISE， what is the immediate effect？___
A. It requests the administrator to choose between erasing all device data or only managed corporate data.
B. It requests the administrator to enter the device pin or password before proceeding with the operation
C. It notifies the device user and proceeds with the erase operation
D. It immediately erases all data on the device
【单选题】
What is a valid implicit permit rule for traffic that is traversing the ASa firewall？___
A. ARPs in both directions are permitted in transparent mode only
B. Unicast IPv4 traffic from a higher security interface to a lower security interface is permittee in routed mode only.
C. Unicast IPv6 traffic from a higher security interface to a lower security interface is permitted in transparent mode only.
D. Only BPDUs from a higher security interface to a lower secur ity interface are permitted in transparent mode.
E. Only BPDUs from a higher security interface to a lower secur ity interface are permitted in routed mode
【单选题】
A specific URL has been identified as containing malware. What action can you take to block users from accidentally visiting the URl and becoming infected with malware ？___
A. Enable URL filtering on the perimeter router and add the URls you want to block to the router's local URL list
B. Enable URL filtering on the perimeter firewall and add the URls you want to allow to the router's local URL list.
C. Enable URL filtering on the perimeter router and add the URls you want to allow to the firewall's local URL list
D. Create a blacklist that contains the URl you want to block and activate the blacklist on the perimeter rout
E. Create a whitelist that contains the URLs you want to allow and activate the whitelist on the perimeter router.
【单选题】
How does PEAP protect the EAP exchange ？___
A. It encrypts the exchange using the server certificate
B. It encrypts the exchange using the client certificate
C. It validates the server-supplied certificate,and then encrypts the exchange using the client certificate
D. It validates the client-supplied certificate,and then encrypts the excha nge using the server certificate
【单选题】
Which feature of the Cisco Email Security Appliance can mitigate the impact of snowshoe spam and sophisticated phishing attacks？___
A. contextual analysis
B. holistic understanding of threats
C. graymail management and filtering
D. signature-based IPS
【单选题】
Refer to the exhibit【nat (inside,outside)dunamic interface】 Which translation technique does this configuration result in？___
A. DynamIc PAT
B. Dynamic NAT
C. Twice NAT
D. Static NAT
【单选题】
While trouble shooting site-to-site VPN， you issued the show crypto isakmp sa command. What does the given output show？___
A. IKE Phase 1 main mode was created on 10.1.1.5， but it failed to negotiate with 10.10 10.2
B. IKE Phase 1 main mode has successfully negotiated between 10.1.1.5 and 10.10..
C. IKE Phase 1 aggressive mode was created on 10.1.1.5， but it failed to negotiate with
【单选题】
Refer to the exhibit All ports on switch 1 have a primary vLan of 300 Which devices can host 1 reach？___
A. host 2
B. server
C. host 4
D. other devices within VLAN303
【单选题】
Which option is the cloud-based security service from Cisco the provides URL filtering， web browsing content security， and roaming user protection？___
A. Cloud Web service
B. Cloud Advanced Malware Protection
C. Cloud We b Security
D. Cloud Web Protection
【单选题】
How can you detect a false negative on an IPS？___
A. View the alert on the ips
B. Review the ips log
C. Review the is console
D. Use a third- party system to perform penetration testing.
E. Use a third- party to audit the next generation firewall rules
【单选题】
If a switch port goes directly into a blocked state only when a superior BPDU is received， what mechanism must be in use？___
A. STP BPDU guard
B. Loop guard
C. EtherChannel guard
D. STP Root guard
【单选题】
what improvement does EAP-FASTv2 provide over EAP-FAST？ ___
A. It allows multiple credentials to be passed in a single EAP exchange.
B. It supports more secure encryption protocols
C. It allows faster authentication by using fewer packets.
D. It addresses security vulnerabilities found in the original protocol
【单选题】
When users login to the Client less Ssl Vpn using https://209.165.201.2/test ,which group policy will be applied？___
A. test
B. clientless
C. sales
D. DfitGrp Policy
E. Default RAGroup
F. Default WEB VPN
G. roup
【单选题】
Which user authentication method is used when users login to the Clientless SSLVPN portal using https://209.165.201.2/test？___
A. AAA with LOCAL database
B. AAA with RADIUS server
C. Certificate
D. :Both Certificate and aaa with LoCAL database
E. Both Certificate and AAA with RADIUS server
【单选题】
What' s the technology that you can use to prevent non malicious program to runin the computer that is disconnected from the network？___
A. Firewall
B. Sofware Antivirus
C. Network IPS
D. Host IPS
【单选题】
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
【单选题】
Which product can be used to provide application layer protection for tcp port 25 traffic？___
A. ESA
B. CWS
C. WSA
D. ASA
【单选题】
which iPS mode is less secure than other options but allows optimal network through put ?___
A. inline mode
B. inline-bypass mode
C. transparent mode
D. Promiscuous mode
【单选题】
Which feature of the Cisco Email security Appliance can mitigate the impact of snowshoe spam and sophisticated phishing attack？___
A. reputation based filtering
B. signature based IPS
C. contextual analysis
D. graymail management and filtering
【单选题】
Which type of social-engineering attack uses normal tele phone service as the attack vector？___
A. smishing
B. dialing
C. phishing
D. vishing
【单选题】
Which quantifiable item should you consider when you organization adopts new technologies？___
A. exploits
B. vulnerability
C. threat
D. Risk
【单选题】
Referencing the ClA model， in which scenario is a hash- only function most appropriate ？___
A. securing data at rest
B. securing real-time traffic
C. securing data in files
D. securing wireless transmissions
【单选题】
Which ports must be open between a aaa server and a microsoft server to permit Active Directory authentications？___
A. 445 and 389
B. 888 and 3389
C. 636 and 4445
D. 363 and 983
【单选题】
Refer to the exhibit for which reason is the tunnel unable to pass traffic___
A. the tunnel is failing to receive traffic from the remote peer
B. the local peer is unable to encrypt the traffic
C. the ip address of the remote peer is incorrect
D. UDP port 500 is blocked
【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】
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
推荐试题
【多选题】
穿防护服的步骤有哪些？___
A. 打开防护服，检查是否破损、拉链是否完好，将拉链拉至下方。
B. 握住防护服联体帽、衣袖的同时，抓住防护服腰部拉链开口处，避免与地面接触。
C. 脱鞋后由下至上穿防护服，并用联体帽包住头部。
D. 穿好后，将拉链拉至最上方，再由上至下密封拉链扣，保证防护服的密闭性。
【多选题】
人成为冠状病毒的“超级传播者“”的因素有哪些？___
A. 机体免疫状态：对于一些免疫力低下的人群，如合并其他基础疾病的患者尤其是老年人，病毒在体内的复制能力较强，在咳嗽和打喷嚏时释放的病原体则更多，而有些感染者体质较好，免疫系统对于“高度耐受“，自身没有特殊症状，日常照旧，
B. 行为特点：我们处在交通便捷的时代，很多时候，喜欢旅游出行的患者还没有出现不适，病原体就搭载着飞机高铁到处跑了
C. 环境因素：相对封闭和人口密集的场所容易出现“超级传播者“
D. 医务人员因工作原因接触大量易感人员
【多选题】
可能处于潜伏期内的人员需要做好那些方面？___
A. 做好自我隔离，避免与人密切接触
B. 戴好口罩，严格遵守咳嗽礼仪，在咳嗽时用纸巾掩饰口鼻并迅速将纸巾仍至垃圾通内
C. 避免用手去触摸自己的口鼻眼及公共物品
D. 不要外出去人口较多的公共场合
【多选题】
新型冠状病毒在空气、衣物、水体等环境中能存活多久？___
A. 一般来说在空气中是无法存活的
B. 衣服上存活几分钟到几小时
C. 土壤、滤纸片、棉布片上存活4-6小时，不锈钢、光滑玻璃片、塑料片存活至少2天
D. 污染的自来水中2天后仍能保持较强的感染性
【多选题】
去过疫情高发区或接触过疫区人员的人群如何做好防护？___
A. 直接隔离
B. 尽快电话练习所在社区或村委会登记，积极配合问询和随访
C. 不与他人密切接触，包括家人
D. 不要随意走动，勿乘坐交通工具
【多选题】
返岗上班人群如何做好防护？___
A. 确认自己1周内没有和患病人员接触
B. 全程佩戴好口罩，电梯、办公室、会议室餐厅（最后吃饭时刻取下）等高危场所都需戴口罩
C. 办公室通风，做好平面消毒工作
D. 勤洗手
【多选题】
新型冠状病毒感染后会出现那些表现___
A. 发热、咳嗽、乏力、不同程度的呼吸困难等临床症状
B. 头疼、轻度肌肉酸痛、流涕、咽痛等感冒样症状
C. 紧张性呼吸困难、淤毒性休克、多器官功能衰竭
D. 毫无症状
【多选题】
出现那些症状时需要及时就医___
A. 没有相关流行病史，也未接触来自疫情高发地的，出现轻微发热症状
B. 有明确相关流行病史或接触过患者或疑似患者
C. 出现小范围聚集性发病（如家中几个人同时发病）
D. 孕妇、老年人或有心、肺、肾等基础疾病的发热病人·
【多选题】
关于“新型冠状病毒感染的肺炎”的临床表现，下述说法正确的是 ___
A. 发热，乏力，呼吸道症状以干咳为主，并逐渐出现呼吸困难，严重者急性呼吸窘迫综合征、脓毒症休克、难以纠正的代谢性酸中毒和出凝血功能障碍。
B. 早期呈现多发小斑片影及间质改变，以肺外带明显。进而发展为双肺多发磨玻璃影、浸润影，严重者可出现肺实变，胸腔积液少见。
C. 发病早期白细胞总数正常或减低，淋巴细胞计数减少。
D. 经规范抗菌药物治疗3天病情无明显改善或进行性加重。
E. 新型冠状病毒病原学监测为阳性。
【多选题】
怀疑自己有新型冠状病毒感染的症状怎么办？___
A. 佩戴口罩，与对方保持距离
B. 不闻不问，假装自己不知道
C. 建议与自己接触过的人佩戴口罩并前往就近的定点救治医院发热门诊就诊
D. 帮与自己接触过的人到网上找治疗偏方
【多选题】
新型冠状病毒感染引起的症状与SARS、流感、普通感冒有什么区别？___
A. 新型冠状病毒感染以发热、乏力、干咳为主要表现，并会出现肺炎
B. 新型冠状病毒感染的患者早期可能不发热，仅有畏寒和呼吸道感染症状，但CT会显示有肺炎现象
C. 新型冠状病毒感染引起的重症病例与SARS类似
D. 新型冠状病毒感染的临床表现有时可能会引起肺炎
【多选题】
2020年1月25日，中共中央政治局常务委员会召开会议，会议强调，要全力以赴救治感染患者。要按照的“（）、（）、（）、（）”原则，将重症病例集中到综合力量强的定点医疗机构进行救治，及时收治所有确诊病人。___
A. 集中患者；
B. 集中专家
C. 集中资源；
D. 集中救治
【多选题】
什么是“密切接触者”？___
A. 与患者乘坐同一交通工具，但又未做任何防护措施的人员
B. 与患者共用一个教室，但又未做任何防护措施的人员
C. 与患者在同一所房屋中生活，但又未做任何防护措施的人员
D. 是否属于密切接触者，最终需要疾病预防控制中心的专业人员做出专业判定
【多选题】
在什么情况下N95口罩需要更换? ___
A. 呼吸阻抗明显增加时
B. 口罩有破损.损坏或与面部无法密合时
C. 口罩受污染（如染有血渍或飞沫等异物时）
D. 曾使用于个例病房或病患接触（因为该口罩已被污染）
【判断题】
洗手全过程要认真揉搓双手 15 秒以上，特别要注意彻底清洗戴戒指、手表和其他装饰品的部位，(有条件的也应清洗戒指、手表等饰品)，应先摘下手上的饰物再彻底清洁。
A. 对
B. 错
