【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
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相关试题
【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
【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.
推荐试题
【填空题】
326. 汽轮机真空严密性试验应每月进行一次，试验时将真空泵___，注意真空降低数值，一般试验___分钟，试验结束后启动真空泵。
【填空题】
327.1号机小汽机润滑油箱排烟风机在两台___任一台运行时联锁启动。
【填空题】
328. 汽轮机轴承分为___和___两大类。
【填空题】
329.1号机电动给水泵启动允许条件：除氧器水位大于___，润滑油压力母管大于___MPa，___已开，电泵及电机___正常，无电泵___条件。
【填空题】
330.电动给水泵在1号机运行时，电前泵入口门___电动给水泵跳闸。
【填空题】
331.1号机电动给水泵前置泵轴承温度高二值报警值___℃。
【填空题】
332.1号机电动给水泵电机线圈温度高一值___℃，高二值___。
【填空题】
333.1号机电动给水泵电泵推力轴承温度高一值___℃，高二值___。
【填空题】
334.1号机电动给水泵润滑油压力低低___MPa电动给水泵跳闸。
【填空题】
336.1号机电动给水泵润滑油压力低___报警。
【填空题】
337.电泵润滑油泵全停，延时___电泵跳闸。
【填空题】
338.电泵入口压力小于___时，电泵跳闸。
【填空题】
339.电泵推力轴承轴承温度大于___，电泵跳闸。
【填空题】
340.1号机电动给水泵___低且最小流量阀开度小于___电动给水泵跳闸。
【填空题】
341.1号机电动给水泵除氧器水位低低___mm电动给水泵跳闸。
【填空题】
342.1号机小机跳闸，电动给水泵___启动。
【填空题】
343.电动给水泵齿轮箱轴承温度大于___电泵跳闸。
【填空题】
344. 任一轴承回油温度超过___℃应紧急停机。
【填空题】
345. 机组冲转时不得在___附近暖机和停留。
【填空题】
346. 为防止叶片断裂，禁止汽轮机过负荷运行，特别要防止在___ 频率下过负荷运行。
【填空题】
347. 为了确保汽轮机的安全运行，新装机组或大修后的机组必须进行___，以检查危急保安器的动作转速是否在规定范围内。
【填空题】
348. 转速超过危急保安器___转速，而保护未动作，应执行紧急停机。
【填空题】
349. 运行中汽机发生水冲击时，则推力瓦温度___，轴向位移___，相对胀差负值___，负荷突然___。
【填空题】
350. 为了保证安全经济运行，必须把锅炉给水的含氧量控制在允许范围内，锅炉给水含氧量应___μg/l 。
【填空题】
351. 汽轮机超速试验应连续做两次，两次的转速差小于___r/min。
【填空题】
352. 在升速过程中，通过临界转速时瓦振不大于___，轴振不大于___ ，否则应立即打闸停机。
【填空题】
353.1号机空侧密封直流油泵自启动条件：氢油压差<___MPa，空侧密封交流油泵运行中___，空侧密封交流油泵运行且进出口压差小于低。
【填空题】
357.空侧密封油回油温度高___，温度高报警。
【填空题】
358. 锅炉MFT动作，汽轮机___，发电机___。
【填空题】
359.1号机氢侧密封油回油箱油位高___mm报警，油位低___mm报警。
【填空题】
360.1号发电机空侧密封油供油温度维持在___。
【填空题】
361.1号机交流润滑油泵在汽机___，汽机转速小于___r/min，润滑油压低___MPa时自动启动。
【填空题】
362. 1号机直流油泵在汽机转速<___r/min且交流润滑油泵___，滑油压低低___MPa时自动启动。
【填空题】
363. 1号机顶轴油泵在汽机转速小于___rpm，联锁投入时运行顶轴油泵___时备用泵联启。
【填空题】
364.1号机顶轴油泵在汽机转速大于___rpm，或油泵___油压低低时自动停止。
【填空题】
365.1号机盘车装置投入条件：___油压不低，顶轴___正常，___信号来，___扣上。
【填空题】
366.顶轴油母管压力低于___盘车跳闸。
【填空题】
367. 汽轮机备用冷油器投入运行之前，应确认已经___，___、至___均应关闭。
【填空题】
368.1号机主油箱油位正常范围：油位报警分为油位高高___mm，油位高___mm，油位低___mm，油位低低___mm）。
【填空题】
369. 运行中，如备用油泵联动，不得随意停止联动泵，应___并在联锁投入状态下停泵。
