【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
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相关试题
【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.
【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
【单选题】
Which security principle has been violated if data is altered in an unauthorized manner?___
A. accountability
B. confidentiality
C. availability
D. integrity
【单选题】
Which IKE Phase 1 parameter can you use to require the site-to-site VPN to use a pre-shared ?___
A. encryption
B. authentication
C. group
【单选题】
Which command successfully creates an administrative user with a password of "cisco"on a Cisco router?___
A. username Operator privilege 7 password cisco
B. username Operator privilege 1 password cisco
C. username Operator privilege 15 password cisco
D. username Operator password cisco privilege 15
【单选题】
Which EAP method authenticates a client against Active Directory without the use of client-side 802.1X certificates?___
A. EAP-TLS
B. EAP-MSCHAPv2
C. EAP-PEAP
D.
E. AP-GTC
【单选题】
What is a limitation of network-based IPS?___
A. It must be in dividually configured to support every operating system on the network.
B. It is most effective at the in dividual host level
C. It is unable to monitor attacks across the entire netw ork
D. Large installations require numerous sensors to fully protect the network
【单选题】
When would you configure the ip dhcp snooping trust command on a sw itch?___
A. when the switch is connected to a DHCP server
B. when the switch is working in an edge capacit
C. when the switch is connected to a client system
D. when the switch is serving as an aggregator
【单选题】
How does the 802. 1x supplicant communicate with the authentication server?___
A. The supplicant creates EAP packets and sends them to the authenticator, which encapsulates them into RADIUS and forwards them to the authentication server.
B. The supplicant creates RADIUS packets and sends them to the authe nticator, which encapsulates the m into EAP and forwards them to the a uthentication server.
C. The supplicant creates RADIUS packets and sends them to the authenticator, which translates them into eap and forwards them to the a ut hentication server
D. The supplicant creates
E. AP packets and sends them to the authe nticator, which translates them into radius and forwards them to the authentication server.
【单选题】
Which command do you enter to verify the phase I status of a VPN connection?___
A. sh crypto se ssion
B. debug crypto isakmp
C. sh crypto isakmp sa
D. sh crypto ipsec sa
【单选题】
Refer to the exhibit. what is the e ffect of the given configuration?___
A. It enables authentication,
B. It prevents keychain authentication.
C. The two routers receive normal updates from one another.
D. The two device s are able to pass the message digest to one another.
【单选题】
Which command can you enter to configure OSPF to use hashing to authenticate routing updates?___
A. ip ospf aut hentication message-digest
B. neighbor 192 168.0 112 cost md5
C. ip ospf priority 1
D. ip ospf aut hentication-key
【单选题】
Which command can you enter to verify the status of Cisco lOS Resilient Configuration on a Cisco router?___
A. show secure bootset
B. secure boot-image
C. show binary file
D. ure boot-config
【单选题】
A user on your network inadvertently activates a botnet program that was received as an emai attachment. Which type of mechanism does Cisco Firepower use to detect and block only the botnet attack?___
A. network-based access control rule
B. reputation-based
C. user-ba sed access control rule
D. botnet traffic filter
【单选题】
What does the policy map do in CoPP?___
A. defines service parameters
B. defines packet selection parameters
C. defines the packet filter
D. define s the action to be performed
【单选题】
How is management traffic isolated on a Cisco ASR 1002?___
A. Traffic isolation is done on the vlan level
B. There is no management traffic isolation on a Cisco ASR 1002
C. Traffic is isolated based upon how you configure routing on the device
D. The management interface is configured in a special vRF that provides traffic isolation from the default routing table
【单选题】
Which statement about NaT table evaluation in the asa is true?___
A. After-auto NAT polices are appl d first
B. Manual NAT policies are applied first
C. the asa uses the most specific match
D. Auto NAT policies are applied first
【单选题】
Which information can you display by executing the show crypto ipsec sa command?___
A. ISAKMP SAs that are established between two peers
B. recent changes to the IP address of a peer router
C. proxy infor mation for the connection between two peers
D. IPsec SAs established between two peers
【单选题】
How can you prevent NAT rules from sending traffic to incorrect interfaces?___
A. Assign the output interface in the NAT statement
B. Add the no-proxy-arp command to the nat line.
C. Configure twice NAT instead o bject NAT. 5
D. Use packet-tracer rules to reroute misrouted NAT entries.
【单选题】
What term can be defined as the securing, control, and identification of digital data?___
A. cryptography
B. crypto key
C. cryptoanalysis
D. cryptology
【单选题】
Which feature in the dNS security module provide on and off network DNS protection?___
A. Data Loss Prevention
B. Umbrella
C. Real-time sandboxing
D. Layer-4 monitoring
【单选题】
Which a dverse consequence can occur on a network without BPDu guard ?___
A. The olde st switch can be elected as the root bridge
B. Unauthorized switches that are connected to the network can cause spanning-tree loops
C.
D. ouble tagging can cause the switches to experience CAM table overload.
【单选题】
What configuration is required for multitenancy ?___
A. shared infrastructure
B. multiple carriers
C. co-located resources
D. multiple separate zones
【单选题】
Why does ISE require its own certificate issued by a trusted CA?___
A. ISEs certificate allows guest devices to validate it as a trusted network device
B. It generates certificates for guest devices ba sed on its own certificate
C. It requests certificates for guest devices from the Ca server based on its own certificate.
D. ISE's certificate allows it to join the network security framework
【单选题】
which attack involves large numbers of ICMP packets with a spoofed source IP address?___
A. smurf attack
B. Teardrop attack
C. Nuke attack
D. SYN Flood attack
推荐试题
【单选题】
(B737ng)在下列何种情况下水系统的水一定要全部排空:___
A. 维护
B. 消毒和冷天
C. 夏季
D. 加水
【单选题】
(B737ng)450F传感器在飞机的什么位置:___
A. 发动机高压压气机机匣上.
B. 发动机吊架里.
C. 发动机风扇机匣上
D. 发动机涡轮机匣上.
【单选题】
(B737ng)737-800的ACAU控制盒有?___
A. 1
B. 2
C. 3
D. 4个
【单选题】
(B737ng)737-800共有几个空调附件控制盒(ACAU)控制盒:___
A. 1
B. 2
C. 3
D. 4个
【单选题】
(B737ng)737NG的OEV有几种工作模式___
A. 1
B. 2
C. 3
D. 4
【单选题】
(B737ng)当用地面气源车向飞机供气时, 气源车所提供的最大气源压力不能超过:___
A. 20psig
B. 30psig
C. 50psig
D. 60psig
【单选题】
(B737ng)地面机翼防冰活门装在哪里:___
A. 翼根
B. 吊架
C. 发动机右侧
D. 发动机左侧
【单选题】
(B737ng)地面气源接头在飞机的什么位置:___
A. 在右空调舱
B. 在左空调舱
C. 在右主轮舱
D. 在左主轮舱
【单选题】
(B737ng)发动机引气来自___
A. 5和12级
B. 7和9级
C. 5和9级
D. 7和12级
【单选题】
(B737ng)气源的压力调节关断活门PRSOV装在哪里:___
A. 9点钟位置
B. 10点钟位置
C. 11点钟位置
D. 12点钟位置
【单选题】
(B737ng)气源系统的引气调节器装在:___
A. 4点钟位置
B. 5点钟
C. 10点钟
D. 11点钟
【单选题】
(B737ng)气源系统的引气可以来源于:___
A. 发动机引气和APU引气
B. 发动机引气; APU引气; 地面起源
C. 发动机引气; 地面起源
D. APU引气和地面气源.
【单选题】
(B737ng)气源压力传感器装在:___
A. 空调前
B. 空调后
C. 空调两侧
D. 空调两侧
【单选题】
(B737ng)以下哪一部件控制发动机引气的流量:___
A. HPSOV
B. 引气隔离活门
C. PRSOV
D. 预冷器控制活门
【单选题】
(B737ng)用来接通APU引气的引气电门在哪个面板上:___
A. P2板
B. P7板
C. P5板
D. P8板
【单选题】
(B737ng)在什么地方可以看到引气系统的引气压力:___
A. 在MCDU上
B. 在CDS主发动机显示器上
C. 在P5头顶板上的双指针式压力表上
D. B&C都对
【单选题】
(B737ng)正常情况下,由PRSOV调节的发动机引气压力为:___
A. 32psi
B. 42psi
C. 52psi
D. 22psi
【单选题】
(B737ng)490F过热电门的作用是:___
A. 当发动机引气温度超过490F时,调节PRSOV向逐渐关的位置
B. 当发动机引气温度超过490F时,调节预冷器活门到完全打开位置
C. 当发动机引气温度超过490F时,关断发动机引气,同时点亮BLEED TRIP OFF灯
D. 当发动机引气温度超过490F时,关断HPSOV的引气
【单选题】
(B737ng)737NG的P5压力表最大显示?___
A. 70psi
B. 80psi
C. 85pdi
D. 90psi
【单选题】
(B737ng)737NG供给HPTACC的气源是___
A. 5&9级引气
B. 4级引气
C. 9级引气
D. 4&9级引气
【单选题】
(B737ng)737NG供给LPTACC的气源是___
A. 风扇空气
B. 4级引气
C. 9级引气
D. 4&9级引气
【单选题】
(B737ng)737NG设备冷却的OEV的中文全称是___
A. 外部排气活门
B. 外部电子活门
C. 过压排气活门
D. 过压电子活门
【单选题】
(B737ng)800引气调节器装在?___
A. 4点钟
B. 5点钟
C. 10点
D. 11点
【单选题】
(B737ng)800引气关断活门PRSOV装在?___
A. 9
B. 10
C. 11
D. 12点
【单选题】
(B737ng)APU单向活门的主要作用是:___
A. 单方向供气
B. 防止气流反流
C. 防火
D. 防烟雾.
【单选题】
(B737ng)发动机引气来自___
A. 5和9级
B. 7和12级
C. 5和12级
D. 7和9级
【单选题】
(B737ng)发动机引气系统中触发过压关断保护的过压电门在:___
A. HPSOV里
B. 引气压力调节器里
C. 发动机吊架上
D. PRSOV里
【单选题】
(B737ng)飞机在什么情况下可以使用APU的引气:___
A. 无论什么时候都可以使用
B. 17000英尺以下
C. 36000英尺以下
D. 42000英尺以下
【单选题】
(B737ng)高压级活门的作用是:___
A. 控制5级引气提供到飞机的发动机引气系统中去
B. 控制飞机发动机引气的温度和压力
C. 控制9级引气提供到飞机的发动机引气系统中去
D. 防止9级引气反流到5级引气中去
【单选题】
(B737ng)气源系统压力传感器的工作原理是:___
A. 压力膜合
B. 电感
C. 电阻
D. 电容
【单选题】
(B737ng)以下哪些系统不需要用到飞机引气系统的引气___
A. 液压油箱增压
B. 燃油箱通气
C. 水箱增压
D. 气动发动机
【单选题】
(B737ng)引气隔离活门是:___
A. 电控电动的活门
B. 电控气动的活门.
C. 气控电动的活门
D. 气控气动的活门.
【单选题】
(B737ng)引气压力调节器的作用是:___
A. 控制PRSOV
B. 控制HPSOV
C. 控制预冷气控制活门
D. 控制引气隔离活门.
【单选题】
(B737ng)用于冷却发动机引气的气体来源于:___
A. 高压5级引气.
B. 高压9级引气
C. 风扇引气.
D. 低压2级引气
【单选题】
(B737ng)由什么部件防止高压级空气进入发动机的低压级压气机 ___
A. 低压级单向活门
B. 流量控制活门
C. 过压释放活门
D. 压力调节和关断活门
【单选题】
(B737ng)预冷器热交换器的作用是冷却什么气体:___
A. 第5级和第9级空气
B. 仅冷却第5级引气
C. 仅冷却第9级引气
D. 风扇空气
【单选题】
(B737ng)390F传感器用于控制哪个活门:___
A. PRSOV
B. HPSOV
C. 引气隔离活门.
D. 预冷器控制活门.
【单选题】
(B737ng)737NG的P5引气压力表最大显示多少:___
A. 70psi
B. 80psi
C. 90pdi
D. 100psi
【单选题】
(B737ng)PRSOV在不工作的情况下是什么状态:___
A. 弹簧加载在开位
B. 弹簧加载在关位
C. 工作时什么位置,就是什么位置
D. 活门在半开位
【单选题】
(B737ng)当APU引气活门打开时,下列哪种情况下"DUAL BLEED"(双引气) 灯点亮?:___
A. 左发引气电门在“OFF”位
B. 右发引气电门在“ON”位
C. 隔离活门在“OPEN”位
D. 左发电门在“ON”位