【单选题】
What feature defines a campus area network？___
A. It has a single geographic location
B. It lacks external connectivity.
C. It has a limited number of segments.
D. It has limited or restricted Internet access
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 type of attack most commonly involves a direct attack on a network？___
A. :phishing
B. Trojan horse
C. denial of service
D. social engineering
【单选题】
What information does the key length provide in an encryption algorithm?___
A. the cipher block size
B. the hash bloc k size
C. the number of permutations
D. the packet size
【单选题】
How do you verify TaCACS+ connectivity to a device？___
A. You successfully log in to the device by using the local credentials
B. You connect via console port and receive the login prompt.
C. You connect to the device using SSH and receive the login prompt.
D. You successfully log in to the device by using ACS credentials
【单选题】
Which term best describes the concept of preventing the modification of data in transit and in storage？___
A. availability
B. confidentially
C. fidelity
D. integrity
【单选题】
Which loS command is used to define the authentication key for ntp？___
A. switch（config ）#ntp authentication-key 1 mds Clcs
B. switch（config ）#ntp authenticate
C. switch（config）#ntp trusted-key 1
D. switch（config）#ntp source 192.168.0.1
【单选题】
What is true about the cisco lOS Resilient Configuration feature ?___
A. The feature can be disabled through a remote session
B. There is additional space required to secure the primary cisco lOS image file.
C. The feature automatically detects image or configuration version mismatch.
D. Remote storage is used for securing files
【单选题】
When is the default deny all policy an exception in zone-based firewalls？___
A. when traffic terminates on the router via the self zone
B. when traffic traverses two interfaces in different zones
C. when traffic traverses two interfaces in the same zone
D. when traffic sources from the router via the self zone
【单选题】
.If an access port is assigned as an isolated port in a PVLAN， which network ports can it communicate with？___
A. promiscuous ports in the same PLVAN
B. isolated ports in the same PVLAN
C. all ports in the same PAVLAN at ILAR
D. all ports in the adjacent PVLAN
【单选题】
Which IPSEC mode is used to encypt traffic directly between a client and a server VPN endpoint？___
A. quick mode
B. transport mode
C. aggressive mode
D. tunnel mode
【单选题】
Which command do you enter to verify that a vpn connection is established between two endpoints and that the connection is passing traffic？ ___
A. Firewall#sh crypto session
B. Firewall#debug crypto isakmp
C. Firewall#tsh crypto ipsec sa
D. Firewall#sh crypto isakmp sa
【单选题】
which type of Pvlan port allows communication from all port types？___
A. isolated
B. in -line
C. community
D. promiscuous
【单选题】
Which command do you enter to configure your firewall to conceal internal addresses？___
A. no ip directed-broadcast
B. no ip logging facility
C. no proxy-arp
D. no ip inspect audit-trial
E. no ip inspect
F. route
【单选题】
Which feature defines a campus area network？ ___
A. It has a limited number of segments.
B. It has limited or restricted Internet access
C. It lacks ex1ternal connectivity.
D. It has a single geographic location
【单选题】
What technology can you use to provide data confidentiality data integrity and data origin authentication on your network？___
A. IPSec
B. Certificate Authority
C. IKE
D. Data
E. ncryption Standards
【单选题】
which standard is a hybrid protocol that uses oakley and skerne ke y exchanges is an ISAKMP framework？___
A. SHA
B. IPSec
C.
D. ES
【单选题】
What is the effect of the asa command crypto isakmp nat-traversal？___
A. It opens port 500 only on the out side interface
B. It opens port 500 only on the inside interface
C. It opens port 4500 on all interfaces that are IPSec enabled
D. It opens port 4500 only on the out side interfac
【单选题】
Which Fire POWER preproce ssor engine is used to prevent SYN attacks？___
A. Inline normalization
B. IP Defragmentation
C. Ports can
D. etection
【单选题】
Which NAT type allows objects or groups to reference an IP address ？___
A. identity NAt
B. static NAT
C. dynamic
D. dynamic NAT
【单选题】
Which Auto NAT policies are processed first？___
A. Dynamic NAT with longest prefix
B. Dynamic NAT with shortest prefix
C. static NAT with longest prefix
D. static NAT with shortest prefix
【单选题】
Which feature allows a dynamic Pat pool to se lect the next address in the pat pool instead of the next port of an existing address？___
A. next IP
B. round robin
C. dynamic rotation
D. NAT address rotation
【单选题】
Which IPS detection method can you use to detect attacks that are based on the attackers IP address？___
A. anomally-based
B. policy-based
C. signature-based
D. reputation-based
【单选题】
Which type of encryption technology has the broadest platform support？___
A. software
B. middleware
C. file-level
D. hardware
【单选题】
Which type of address translation supports the initiation of comm unications bidirectionally ？___
A. multi-session PAT
B. dynamic NAT
C. dynamic PAT
D. static NAT
【单选题】
Which label is given to a person who uses existing computer scripts to hack into computers while lacking the expertise to write the own？___
A. script kiddy
B. white hat hacker
C. hacktivist
D. phreaker
【单选题】
What is the primary purpose of a defined rule in an IPS？___
A. to configure an event action that takes place when a signature is triggered
B. to define a set of actions that occur when a specific user logs in to the system
C. to configure an event action that is pre-defined by the system administrator
D. to detect internal attacks
【单选题】
Which option is the default valuce for the Diffie- Hell man group when configuring a site-to-site VPn on an asa device ？___
A. Group 1
B. Group 2
C. Group 5
D. Group 7
【单选题】
Which feature filters CoPP packets?___
A. access control lists
B. class maps
C. policy maps
D. route maps
【单选题】
Which command is used in global configuration mode to enable AAA？___
A. configure-model aaa
B. configure aaa-modelA
C. aaa new-model
D. aaa
E. XEC
【单选题】
Which statement about the given configuration is true？___
A. The single-connection command causes the device to establish one connection for all TACACS
B. The single-connection command causes the device to process one TacAcs request and then move to the next server
C. The timeout com mand causes the device to move to the next server after 20 seconds of TACACS inactive
【多选题】
What are two well-known security terms？___
A. phishing//网络钓鱼
B. ransomware //勒索软件
C. BPDU guard
D. LACP
E. hair-pinning
【多选题】
Which two commands must you enter to securely archive the primary bootset of a device___
A. router（config ）#secure boot-config
B. router（config）#auto secure
C. router（config）#secure boot-image
D. router（config）#service passw ord-encryption
【多选题】
Which two functions can SIEM provide ？___
A. correlation between logs and events from multiple systems
B. event aggregation that allows for reduced log storage requirements
C. proactive malware analysis to block malicious traffic
D. dual-factor authentication
E. centralized firewall management
【多选题】
Which two features of Cisco Web Reputation tracking can mitigate web-based threats？___
A. buffer overflow filterin dhsuowip
B. Bayesian filters
C. web reputation filters
D. outbreak filtering
E. exploit filtering
【多选题】
What are two challenges when deploying host- level IPS？ ___
A. The deployment must support multiple operating systems.
B. It is unable to provide a complete networ k picture of an attack.
C. It is unable to determine the outcome of e very attack that it detects
D. It does not provide protection for offsite computers
E. It is unable to detect fragmentation attacks
【多选题】
Which technology can be used to rate data fidelity and to provide an authenticated hash for data?___
A. file reputation
B. file analysis
C. signature updates
D. network blocking
【多选题】
Which two statements about host-based iPS solutions are true？___
A. It uses only signature-based polices
B. It can be deployed at the perimeter.
C. It can be have more restrictive policies than network-based IPS
D. it works with deployed firewall
E. It can generate alerts based on be havior at the de sto
【多选题】
When two events would cause the state table of a stateful firewall to be updated？ ___
A. when a packet is evaluated against the outbound access list and is denied
B. when a con nection is created
C. when rate-limiting is applied
D. when a connection s timer has expired within the state table.
E. when an outbound packet is forwarded to the outbound interface
【多选题】
Which two characteristics apply to an intrusion Prevention System（IPS）？___
A. Cannot drop the packet on its own
B. Cabled directly inline with the flow of the network traffic
C. Runs in promiscuous mode wat
D. Does not add delay to the original traffic
E. Can drop traffic based on a set of rules
【多选题】
crypto ipsec trans form-set myset esp-md5-hmac esp-aes-256，What are two effects of the given command？___
A. It configures authentication use AES 256.
B. It configures authentication to use MD5 HMAC
C. It configures authentication use AES 256.
D. It configures encryption to ase MD5 HMAC.
E. It configures encryption to use AES 256
推荐试题
【单选题】
(B737ng)起动旅客氧气系统后，如何使旅客氧气接通灯熄灭？___
A. 热电瓶汇流条断电
B. 以直流1号电瓶汇流条断电
C. 氧气压力下降时灯会熄
D. 飞机下降到14000英尺以下，灯才会熄
【单选题】
(B737ng)氧气系统的释压活门什么时候工作：___
A. 当氧气瓶内压力达到2500PSI时打开将氧气排放至货舱
B. 当减压阀下游压力达到100PSI时打开将氧气排放至机外.
C. 当氧气瓶内压力达到25OOPSI时开始打开将氧气排放至机外
D. 当减压阀下游压力达到1OOPSI时开始打开,将氧气排放至货舱.
【单选题】
(B737ng)下列哪个不是旅客指示（SIGN）灯? ___
A. LAV OCCUPY
B. NO SMOKING
C. FASTEN SEAT BELT
D. RETURN TO SEAT
【单选题】
(B737ng)下述灯光中,选出全是外部灯光的一纽: ___
A. A． 着陆灯,滑行灯,转弯灯航行灯防撞灯
B. B． 大翼照明灯,应,急灯转弯灯航行灯
C. C． 标志灯,应急灯,轮舱灯,防撞灯
D. D． 标志灯,大翼照明灯,货舱灯,APU火警灯
【单选题】
(B737ng)防撞灯是与航行灯相互配合显示飞机位置以防碰撞的机外灯光信号装置，为使目标明显___
A. 采用强红光
B. 采用强绿光
C. 采用闪光工作方式
D. 采用多处安装
【单选题】
(B737ng)下述灯光中,选出全是外部灯光的一组: ___
A. 标志灯,大翼照明灯,货舱灯,APU火警灯
B. 着陆灯,滑行灯,转弯灯，航行灯，防撞灯
C. 大翼照明灯,应急灯，转弯灯，航行灯
D. 标志灯,应急灯,轮舱灯,防撞灯
【单选题】
(B737ng)737NG新增APU的MAINT灯，以下哪一个不是灯亮的条件___
A. 起动时起动发电机内部旋转整流器短路
B. APU低滑油量
C. APU低滑油压力
D. 题目有问题，以上都是灯亮的条件
【单选题】
(B737ng)A/T琥珀色警告灯闪亮表明：___
A. A. 自动油门系统有故障
B. B. A/T脱开
C. C. 一个A/T自动测试正在进行
D. D. 系统正工作在N1方式
【单选题】
(B737ng)飞机的机外照明，对不同灯有不同的要求但它们共同主要求是___
A. 足够的发光强度和高的发光效率
B. 足够的发光强度、可靠的作用范围
C. 足够的发光强度、可靠的作用范围，适当的颜色
D. 足够的发光强度、可靠的作用范围，交直流电压均可使用
【单选题】
(B737ng)下述灯光中,选出全是外部灯光的一纽: ___
A. 大翼照明灯,应,急灯转弯灯航行灯
B. 标志灯,应急灯,轮舱灯,防撞灯
C. 标志灯,大翼照明灯,货舱灯,APU火警灯
D. 着陆灯,滑行灯,转弯灯航行灯防撞灯
【单选题】
(B737ng)在某些外部灯光维护时, 即使在系统断电后,因为仍有高压,故必须等5分钟后再去操作,以下哪一灯光没有此特性___
A. LEFT WING STROBE LIGHT(左大翼频闪灯)
B. UPPER ANTICOLLISION LIGHT(上防撞灯)
C. LOWER ANTICOLLISION LIGHT(下防撞灯)
D. OUTBOARD LANDING LIGHTS(外着陆灯)
【单选题】
(B737ng)主暗和测试（MD&T）系统描述不正确的是：___
A. 可以控制P6和P18板灯光
B. 可以控制驾驶舱信号牌灯和灯光按压电门
C. 可以调节驾驶舱信号牌灯和灯光按压电门的暗亮
D. 可以控制P7和P8板灯光
【单选题】
(B737ng)主注意灯什么时候点亮? ___
A. 主暗亮调节和测试电门放在明亮位
B. 主暗亮调节和测试电门放在暗亮位
C. 主注意牌上的12个部分任一个灯亮时
D. APU火警时.
【单选题】
(B737ng)主注意灯什麽时候点亮? ___
A. APU火警时.
B. 主暗亮调节和测试电门放在明亮位
C. 主暗亮调节和测试电门放在暗亮位
D. 主注意牌上的12个部分任一个灯亮时
【单选题】
(B737ng)对于正常防滞系统，轮速信号来自___
A. 每个机轮的轮速
B. 每侧主起落架的两个机轮轮速的平均值
C. 每侧主起落架的两个机轮轮速最大的值
D. 每侧主起落架的两个机轮轮速最小的值
【单选题】
(B737ng)关于灌充起落架说法正确的是：___
A. 油液从上部灌充活门注入
B. 气体从下部灌充活门注入
C. 使用高压空气
D. 灌注油液后需要重复压缩减震支柱以排除油液中的空气
【单选题】
(B737ng)空地感应信号来自：___
A. 各个起落架上的上锁和下锁传感器
B. 前起落架上的定中凸轮和锁传感器
C. 右主起落架和前起落架上的空/地传感器
D. 左、右主起落架和前起落架上的压缩传感器
