【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
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答案
B
解析
暂无解析
相关试题
【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
【单选题】
Which feature can help a router or switch maintain packet forwarding and protocol states despite an attack or heavy traffic load on the router or switch?___
A. service Policy
B. Control Plane Policing
C. Policy Map
D. Cisco
E. xpress
F. orwarding
【单选题】
Which STP feature can prevent an attacker from becoming the root bridge by immediately shutting down the interface when it receives a BPDU?___
A. root guard
B. Port Fast
C. BPDU guard
D. BPDU filtering
【单选题】
Which technology can best protect data at rest on a user system?___
A. full-disk encryption
B. IPsec tunnel
C. router ACL
D. network IPS
【多选题】
Which two primary security concerns can you mitigate with a BYOD solution ?___
A. schedule for patching the device
B. securing access to a trusted corporate network
C. compliance with applicable policies
D. connections to public Wi-Fi networks
E. device tagging and invento
【多选题】
choose five___
A. MD5————————inserure
B. DES————————insercure
C. SDES———————legacy
D. SHA-1———————legacy
E. HMAC-MD5—————legacy
【多选题】
Which two characteristics of symmetric encryption are true?___
A. It uses digital certificates
B. It requires more resources than asymmetric ancryption
C. It uses the same key to enctypt and decrupt traffic
D. It uses a public key and a pricate key to encrypt and decrypt traffic.
E. It is faster than asymmetric encryption
【多选题】
which two characteristics of PVLAN are true?___
A. Promiscuous porta can communicate with PVLAN ports.
B. Isolated ports cannot communicate with other ports on the same VLAN
C. Community ports have to be a part of the trunk.
D. They require VTP to be enabled in server mode
E. PVLAN ports can be configured as Ether Channel ports
【多选题】
What are two options for running Cisco SDM?___
A. Running SDM from a mobile device
B. Running SDM from within CiscoWorks
C. Running SDM from a router's flash
D. Running SDM from the Cisco web porta
E. Running SDM from a PC
【多选题】
Which two options are the primary deployment modeles for mobile device management?___
A. multisite
B. cloud-based
C. on premises
D. hybrid cloud basedo
E. single site
【多选题】
Drag the recommendation on the left to the Cryptographic algorithms on the right, Options will be used more than once.___
A. Avoid——————————————DES,MD5
B. Legacy——————————————SDES,SHA1,HMAC-MD5
【多选题】
Which two are valid types of vLans using PVLANS ?___
A. Community VLAN
B. Backup VLAN
C. Secondary VLAN
D. Isolated VLAN
E. Isolated VLAN
【多选题】
Which two commands are used to implement Resilient lOS Configuration ___
A. Secure boot-config
B. copy running-config tftp
C. copy flash:ios bin tftp
D. copy running-config startup-config
E. secure boot-image
【多选题】
Which two types of firewalls work at layer 4 and above ?___
A. Stateful inspection
B. Network Address Translation
C. Circuit-Level gateway
D. Static packet filter
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【多选题】
Which two default settings for port security are true ?___
A. Violation is Protect
B. Violation is Restrict
C. Violation is Shutdown
D. Maximum number of MAC addresses is 2
E. Maximum number of MAC addresses is 1
【多选题】
Which two are characteristics of RADIUS?___
A. Uses UDP ports 1812 /1813
B. Uses TCP port 49
C. Uses UDP port 49
D.
E. ncrypts only the password between user and server
【多选题】
When setting up a site-to-site VPN with PSK authentication on a Cisco router, which two elements must be configured under crypto map?___
A. pfs
B. nat
C. reverse route
D. peer
E. transform-set
【多选题】
When using the Adaptive Security Device Manager(ASDM), which two options are available to add a new root certificate?___
A. Install from SFTP server
B. Usehttps
C. Install from a file
D. Use LDAP
E. Use SCEP
【多选题】
Which two SNMPv3 services support its capabilities as a secure networ k manage protocol? ___
A. access control
B. the shared secret key
C. authentication
D. authorization
E. accounting
【多选题】
Which two statements about routed firewall mode are true ?___
A. The firewall acts as a routed hop in the network
B. This mode conceals the presence of the firewall
C. The firewall requires a unique iP address for each interface
D. This mode allows the firewall to be added to an existing networ k with minimal additional configuration By default, this mode permits most traffic to pass throug
【多选题】
Which two statements describe DHCP spoofing attacks?___
A. They are used to perform man-in- the-middle attacks
B. They can access most network devices
C. They can modify the flow of traffic in transit. LNGKAIG
D. They protect the identity of ti attacker by masking the DHCP address
E. They can physically modify the network gateway
【多选题】
Which two types of VLANs using PVLANs are valid?___
A. isolated
B. promiscuous
C. backup
D. secondary
E. community
【多选题】
What are two limitations of the self-zone policies on a zone-based firewall?___
A. They are unable to block Https traffic
B. They restrict SNMP traffic.
C. They are unable to support Https traffic
D. They are unable to implement application inspection
E. They are unable to perform rate limiting
【多选题】
Which two descriptions of TACACS+ are true? ___
A. The TACACS+ header is unencrypted
B. It combines a uthentication and authorization
C. It uses TCP as its transport protocol
D. Only the password is encrypted.
E. It uses UDP as its transport protocol.
【多选题】
Which two actions does an IPS perform? ___
A. it spans the traffic
B. it reflects the traffic back to the sender
C. it encrypts the traffic
D. it terminates the user session or connection of the attacker
E. it reconfigures a device to block the traffic
【多选题】
In which form of fraud does an attacker try to learn information such as login credenti account information by ma squerading as a reputable entity or person in email, IM or communication channels ?___
A. phishing
B. Smurfit
C. Hacking
D. Identity Spoofing
【多选题】
Which two ESA services are available for incoming and outgoing mails ?___
A. anti-DoS
B. reputation filter
C. antispam
D. content filter
E. DLP
【多选题】
What are two reasons to recommend SNMPv 3 over SNMPv2?___
A. SNMPv3 is secure because you can configure authe ntication and privacy
B. SNMPv3 is insecure because it send in formation in clear text
C. SNMPv2 is insecure because it send information in clear text
D. SNMPv3 is a Cisco proprietary protocol
E. SNMPv2 is secure because you can configure authentication and privacy
【多选题】
Which two actions can a zone- based firewall apply to a packet as it transits a zone pair?___
A. drop
B. inspect
C. queue
D. quarantine
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​钢筋混凝土构件中,混凝土和钢筋两种不同性能的材料,能够共同工作的原因。___
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​桥梁按桥面位置分哪几种?___​
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【多选题】
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​桩板式墙具有以下哪些特点?___​
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​钢板桩墙具有以下哪些特点?___​
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【多选题】
​水泥的品种很多,目前在工程中大量使用的有哪几种水泥?___​
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​硅酸盐水泥具有以下哪几个特点?___​
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【多选题】
​普通硅酸盐水泥相较硅酸盐水泥具有以下哪几个特点?___​
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【多选题】
​粉煤灰水泥具有以下哪几个特点?___​
A. 水化热低​
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C. 抗硫酸盐侵蚀性好​
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E. 抗碳化性能差
【多选题】
​决定水泥强度的因素主要有以下哪几种?___​
A. 矿物成分​
B. 颗粒细度​
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【多选题】
测定水泥强度时,在标准条件下养护,分别测定()、()和()的抗压和抗折强度。___
A. 2d​
B. 3d​
C. 7d​
D. 28d​
【多选题】
​水泥的凝结时间对混凝土的施工有重要意义,分()和()两种。___​
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B. 初凝​
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D. 晚凝​
【多选题】
​防水混凝土宜优先选用哪几种水泥?___​
A. 普通水泥​
B. 火山灰水泥​
C. 粉煤灰水泥​
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【多选题】
​预应力混凝土不得使用哪几种水泥?___​
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D. 粉煤灰水泥​
【多选题】
​根据平均颗粒直径(简称粒径)的大小,可将细骨料分为哪三级?___​
A. 粗​
B. 大​
C. 中​
D. 细​
【多选题】
​砂石中各粒径大小颗粒的分布混合情况,称为砂石级配。一般来说,较好的级配应当具有哪些特点?___​
A. 空隙率小​
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D. 满足和易性的要求​
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​下列属于减水剂的作用的是?___​
A. 可以使水泥颗粒均匀分散在混凝土中​
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【多选题】
​常用的早强剂有哪几种?___​
A. 氯化钠(NaCl)​
B. 氯化钙(CaCl2)​
C. 硫酸钠(Na2SO4) ​
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​常用的缓凝剂有哪几种?___​
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​桥梁下部结构主要包括()。___​
A. 桥面​
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​桥梁防护结构主要包括()。___
A. 护锥​
B. 护岸​
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​下列属于按桥梁结构的体系分类的是?___​
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​下列属于按跨越能否活动分类的是?___​
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​下列关于桥梁全长说法正确的是?___​
A. 钢梁为沿纵梁(下承)或上弦(上承)的全梁长度​
B. 板梁、工字钢梁为上边的长度​
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【多选题】
​下列关于渠涵净孔说法正确的是?___​
A. 拱涵为起拱线间的水平距离​
B. 箱涵为涵内水平距离​
C. 管涵为内径(卵形或扁圆形的为水平方向最大径)​
D. 明渠为墩台间净距​
【多选题】
​下列哪些是火山灰水泥、粉煤灰水泥优先使用的范围?___​
A. 潮湿或水下​
B. 浇筑大体积​
C. 要求抗渗​
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【多选题】
​下列哪些属于地下连续墙技术要求?___​
A. 地下连续墙应采用防水混凝土​
B. 地下连续墙施工时,混凝土应按每一个单元槽段留一组抗压强度试件,每五个单元槽段留置一组抗压强度试件​
C. 叠合墙结构的地下连续墙与内衬结构连接处,应凿毛并清洗干净,必要时应作特殊防水处理单元槽段接缝不宜设在拐角处
D. 采用复合式衬砌时,墙体与内衬接缝宜相互错开​
【多选题】
​下列哪些属于水泥标号的选用宜遵循原则?___​
A. 水泥标号应根据所配制混凝土的强度等级选定​
B. 钢筋混凝土和有耐冻、抗磨、抗渗要求的混凝土,不应采用低于C30.5等级的水泥混凝土
C. 夏季施工应采用水化热较低的水泥​
D. 大体积棍凝土如不掺用活性或填充性的混合材料时,不宜使用高于C30.5的普通水泥​
【多选题】
​下列关于混凝土密实度与耐久性说法正确的是?___​
A. 混凝土的密实度是指一定体积混凝土中,固体物质填充的程度,所含空晾的程度
B. 混凝土的密实度几乎与混凝土所有主要技术性能,如强度、抗渗性、抗冻性、耐久性、传热性都有密切的关系​
C. 耐久性是指混凝土在周围环境长期的物理化学侵蚀下,保持其强度的能力​
D. 耐久性包括抗渗性、抗冻性、抗化学侵蚀性、抗磨性等​
【多选题】
​下列各分部工程( )为主要工程。___​
A. 防护工程​
B. 引道工程​
C. 基础及下部构件​
D. 小桥​
【多选题】
​桥涵工程中所用石料的外观要求为( )。___​
A. 石材易均匀​
B. 不易风化​
C. 无裂缝​
D. 外形方正​
【多选题】
热轧钢筋试验项目包括( )。___​
A. 屈服强度​
B. 极限强度​
C. 松弛率​
D. 伸长率​
【多选题】
钢筋闪光对焊接头检验项目包括( )。___
A. 拉伸试验​
B. 冷弯试验​
C. 伸长率​
D. 外观检查​
【多选题】
​石料抗冻性试验测试项目包括___​
A. 抗压强度​
B. 耐冻系数​
C. 质量损失率​
D. 吸水率​
【多选题】
​桥梁现场动载试验测试记录主要内容有( )。___​
A. 跑车时的动态响应​
B. 刹车时动态增量​
C. 跳车时的动态增量​
D. 静车时动态响应​
【多选题】
​钢结构焊缝的无损探伤有( )等方法。___​
A. 超声波法​
B. 射线法​
C. 回弹法​
D. 外观检查法​
【多选题】
​桥梁结构静载性能分析主要包括( )。___ ​
A. 结构的强度和稳定性​
B. 结构的刚度​
C. 结构的抗裂度​
D. 结构裂缝宽度​