【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
查看试卷，进入试卷练习
微信扫一扫，开始刷题
相关试题
【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
【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
E. Application Level firewall
【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
推荐试题
【单选题】
燃烧级分配valve(BSV)的位置反馈信号送给：___
A. ECU；
B. EIU；
C. ECAM。
D.
【单选题】
燃烧级分配valve（BSV）的位置反馈信号送给何处？___
A. ECU；
B. ECAM；
C. EIU。
D.
【单选题】
燃烧级分配valve（BSV）由何操纵？___
A. 电动马达；
B. ECU的电信号；
C. HMU来的伺服燃油。
D.
【单选题】
燃烧级分配valve位于何处？___
A. 风扇机匣左侧；
B. 风扇机匣右侧；
C. 高压压气机下部。
D.
【单选题】
燃油回油valve的位置电门提供什么信息到ECU?___
A. V1、V2电磁valve位置信号；
B. 燃油回油valve的关断valve位置信号；
C. 燃油回油超压信号。
D.
【单选题】
燃油回油valve由何进行控制操纵？___
A. 由ECU进行电控制，电动马达操纵；
B. 由ECU进行电控制，燃油操纵；
C. 由EIU进行电控制，电动马达操纵。
D.
【单选题】
燃油滤压差为何值时，触发燃油滤堵塞警告？___
A. 11psi；
B. 115psi；
C. 125psi。
D.
【单选题】
人工起动时，飞机状况如何？___
A. APU运转且APU引气接通；
B. 1#、2#FADEC通电；
C. A+B。
D.
【单选题】
如果探测到反推门不正常打开，哪一部计算机会作动自动收藏功能关闭并锁好反推门？___
A. EIU；
B. ECU；
C. FMGC。
D.
【单选题】
实施假起动时，主电门在"ON"位发动机运转不能超过多少秒？___
A. 20秒；
B. 15秒；
C. 10秒。
D.
【单选题】
提供反推系统作动的两个电磁valve由何控制?___
A. 发动机控制组件；
B. 液压控制组件；
C. 推力控制组件。
D.
【单选题】
下面哪种故障需要地面机械员和机组相配合?___
A. 起动valve失效开；
B. 起动valve失效关；
C. A、B都不是。
D.
【单选题】
液压断开面板位于什么位置?___
A. 风扇包皮左侧上部；
B. 风扇包皮右侧上部；
C. 在吊架上的前后安装点之间。
D.
【单选题】
液压控制组件如何控制?___
A. 直接由反推杆控制；
B. 反推杆通过ECU控制；
C. 反推杆通过EIU控制。
D.
【单选题】
用于人工操作起动valve接近盖板在什么位置?___
A. 右侧风扇包皮；
B. 左侧风扇包皮；
C. 左侧反推包皮。
D.
【单选题】
再循环系统中，燃油回油valve的功用是什么?___
A. 在发动机停车时给燃油系统释压；
B. 使燃油更好地过滤；
C. 保持IDG、发动机燃油的温度不超过限制值。
D.
【单选题】
在HMU内，伺服valve由何驱动？___
A. ECU控制的电动马达驱动；
B. ECU控制的扭矩马达液压驱动；
C. 以上都不是。
D.
【单选题】
在地面ECU何时自动断电?___
A. 飞机供电网供电；
B. 发动机一停车；
C. 发动机停车5min后。
D.
【单选题】
在调节VBV反馈杆以前，VBVvalve必须被调节到何位置？___
A. 任意位置；
B. 开位；
C. 关闭位。
D.
【单选题】
在反推打开程序中，当4个枢轴门都到达---%时，打开电门关闭？___
A. 95%；
B. 98%；
C. 99%。
D.
【单选题】
在飞机缝翼收起情况下，反推包皮可以打开多少度？___
A. 45度；
B. 33度；
C. 35度。
D.
【单选题】
在开门顺序中，作动筒伸出由何提供?___
A. 增压valve；
B. 方向选择valve；
C. 开门电门。
D.
【单选题】
在空中，油门杆在两个限定位中间，由什么决定N1比率限制?___
A. 油门杆位置；
B. 上限位；
C. 下限位。
D.
【单选题】
在哪种情况下，ECU可中断起动?___
A. 自动起动和人工起动；
B. 自动起动；
C. 假起动。
D.
【单选题】
在人工模式，N2到50%时，下面哪种说法正确：___
A. 人工起动按钮"ON"灯灭；
B. ECU给ECAM信息，关闭起动valve；
C. 起动valve自动关。
D.
【单选题】
在自动和人工模式中，哪个计算机控制发动机推力?___
A. FMGC；
B. FCU；
C. ECU。
D.
【单选题】
在自动模式，哪种故障出现时，FADEC可自动完成几次试起动?___
A. 点火故障；
B. EGT超限；
C. A+B。
D.
【单选题】
主滑油滤堵塞时，则：___
A. 滑油通过旁通valve和备用油滤；
B. IDG滑油温度上升；
C. 发动机滑油温度上升。
D.
【单选题】
主金属屑探测器在探测到金属屑时：___
A. 送信号ECU；
B. 送警告到ECAM；
C. 地面检查目视指示器伸出。
D.
【单选题】
转子活动间隙控制和起动放气系统使用何处引气加热转子腔？___
A. 4级高压压气机引气；
B. 5级高压压气机引气；
C. 9级高压压气机引气。
D.
【单选题】
转子活动间隙控制系统的功用是什么?___
A. 使高压涡轮热膨胀；
B. 提供低压涡轮冷却；
C. 加热高压转子腔。
D.
【单选题】
自动起动中，ECU开始发动机起动程序后，PACKvalve自动关闭，多少秒后如发动机主电门不在"ON"位，PACKvalve会再打开？___
A. 25秒；
B. 30秒；
C. 35秒。
D.
【单选题】
压气机、燃烧室和______称为发动机的核心机___
A. 涡轮
B. ECU
C. 喷管
D. 进气道
【单选题】
春秋航空的A320飞机选装的是______发动机，推力为27，000磅。___
A. CFM56-5B4
B. CFM56-5B5
C. CFM56-5B6
D. CFM56-5B7
【单选题】
除去风扇一级，低压压气机分______级。___
【单选题】
每台发动机上安装______个风扇叶片___
【单选题】
CFM56-5B发动机的站位里，风扇入口是站位______；___
