【单选题】
ISDN中B道的速率是___
A. 8 Kbps
B. 64Kbps
C. 9.6 Kbps
D. 128 Kbps
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答案
B
解析
暂无解析
相关试题
【单选题】
下列在域中的哪个组同时属于同一域中的本地组？___．．
A. Enterprise Admins
B. Domain Computers
C.
D. omain Admins
【单选题】
为什么说共享介质的以太网存在一定的安全隐患？___
A. 共享介质的以太网容易发生冲突问题，导致帧报文丢失
B. 一些拥有较高权限的用户可以查找到网段内的其它用户，获得敏感数据
C. 一个冲突域内的所有主机都能够看到其他人发送的数据帧，即使目的MAC地址并非自己
D. 所有的用户都在同一网段
【单选题】
用户Suser登录本地计算机，由于疏忽两次未正确输入密码，登录对话框立刻变为灰色，不允许登录，原因是___
A. Account lockout time
B. Account lockout counter
C. Account lockout threshold
D. Account lockout duration
【单选题】
Cisco View以不同颜色的符号表示了网络设备状态，橙色表示___
A. 管理状态打开，但是运行值却处于关闭状态
B. 表示正常的发送数据
C. 界面被挂起了
D. 端口或者界面、管理中心或者运行状态值关闭了
【单选题】
在现行的存储技术中哪两种磁带采用了螺旋扫描读写方式___
A. 面向工作组级数据备份的8mm、面向部门级网络数据网络备份的8mm磁带。
B. 面向工作组级数据备份的4mm、面向部门级网络数据网络备份的8mm磁带。
C. 面向工作组级数据备份的6mm、面向部门级网络数据网络备份的8mm磁带。
D. 面向工作组级数据备份的4mm、面向部门级网络数据网络备份的6mm磁带
【单选题】
组A对某文件具有本地读取权限，组B对该文件有修改的权限，用户Users同时属于A组和B组。那么Users对该文件的权限是___。．．
A. 读取
B. 修改
C. 拒绝，即无权限
D. 读取和修改
【单选题】
在以太网中，工作站在发送数据之前，要检查网络是否空闲，只有在网络不阻塞时，工作站才能发送数据，是采用了___机制
A. IP
B. TCP
C. 载波侦听与冲突检测 CSMA/CD
D. ICMP
【单选题】
关于被屏蔽子网中内部路由器和外部路由器的描述，不正确的是___
A. 外部路由器的主要功能是保护周边网上的主机，内部路由器用于保护内部网不受周边网和外部网的侵害
B. 外部路由器和内部路由器都可以防止声称来自周边网的IP地址欺骗
C. 内部路由器位于内部网和周边网络之间，外部路由器和外部网直接相连
D. 内部路由器可以阻止内部网络的广播消息流入周边网，外部路由器可以禁止外部网一些用服务的入部连接
【单选题】
下列选项中哪个是正确的交换机启用和浏览CDP信息___．．
A. switch(config-if)# enable cdp
B. switch(config-if)# cdp enable
C. switch(config-if)# cdp
D. switch(config)# cdp enable
【单选题】
关于哪些操作系统可以成为Exchange2000客户端，下列哪个/哪些说法是正确的___
A. 所有windows平台的操作系统都可以成为exchange2000的客户端
B. 标准的internet邮件客户，也包括unix clients和macintosh clients
C. 其他三项都是
D. 只有windows2000才可以成为exchange2000客户端
【单选题】
口令管理过程中，应该___。
A. 利用容易记住的单词作为口令
B. 选用5个字母以下的口令
C. 把明口令直接存放在计算机的某个文件中
D. 设置口令有效期，以此来强迫用户更换口令
【单选题】
1949年周恩来代表中华人民共和国宣布：我们外交问题有一个基本立场，即中华民族独立的立场，对于美国帝国主义我们一定要采取严肃的态度，使他们了解中国是不可欺侮的，即使对苏联及各人民民主国家，我们也不能有所依赖。这表明新中国的外交方针是___
A. 不结盟政策
B. 和平共处五项原则
C. 独立自主
D. 求同存异
【单选题】
和平共处五项原则之所以成为处理国与国之间关系的基本准则主要是因为它___
A. 适用不同社会制度的国家且利于世界的和平稳定
B. 是新中国外交政策成熟的标志
C. 指导处理了中国和印度的关系
D. 为维护世界和平作出了重大贡献
推荐试题
【单选题】
While trouble shooting site-to-site VPN， you issued the show crypto isakmp sa command. What does the given output show？___
A. IKE Phase 1 main mode was created on 10.1.1.5， but it failed to negotiate with 10.10 10.2
B. IKE Phase 1 main mode has successfully negotiated between 10.1.1.5 and 10.10..
C. IKE Phase 1 aggressive mode was created on 10.1.1.5， but it failed to negotiate with
【单选题】
Refer to the exhibit All ports on switch 1 have a primary vLan of 300 Which devices can host 1 reach？___
A. host 2
B. server
C. host 4
D. other devices within VLAN303
【单选题】
Which option is the cloud-based security service from Cisco the provides URL filtering， web browsing content security， and roaming user protection？___
A. Cloud Web service
B. Cloud Advanced Malware Protection
C. Cloud We b Security
D. Cloud Web Protection
【单选题】
How can you detect a false negative on an IPS？___
A. View the alert on the ips
B. Review the ips log
C. Review the is console
D. Use a third- party system to perform penetration testing.
E. Use a third- party to audit the next generation firewall rules
【单选题】
If a switch port goes directly into a blocked state only when a superior BPDU is received， what mechanism must be in use？___
A. STP BPDU guard
B. Loop guard
C. EtherChannel guard
D. STP Root guard
【单选题】
what improvement does EAP-FASTv2 provide over EAP-FAST？ ___
A. It allows multiple credentials to be passed in a single EAP exchange.
B. It supports more secure encryption protocols
C. It allows faster authentication by using fewer packets.
D. It addresses security vulnerabilities found in the original protocol
【单选题】
When users login to the Client less Ssl Vpn using https://209.165.201.2/test ,which group policy will be applied？___
A. test
B. clientless
C. sales
D. DfitGrp Policy
E. Default RAGroup
F. Default WEB VPN
G. roup
【单选题】
Which user authentication method is used when users login to the Clientless SSLVPN portal using https://209.165.201.2/test？___
A. AAA with LOCAL database
B. AAA with RADIUS server
C. Certificate
D. :Both Certificate and aaa with LoCAL database
E. Both Certificate and AAA with RADIUS server
【单选题】
What' s the technology that you can use to prevent non malicious program to runin the computer that is disconnected from the network？___
A. Firewall
B. Sofware Antivirus
C. Network IPS
D. Host IPS
【单选题】
Which statement about the communication between interfaces on the same security level is true？___
A. Interfaces on the same security level require additional configuration to permit interinterface communication
B. Configuring interfaces on the same security level can cause asymmetric routing
C. All traffic is allowed by default between interfaces on the same security level
D. You can configure only one interface on a n individual security level
【单选题】
Which product can be used to provide application layer protection for tcp port 25 traffic？___
A. ESA
B. CWS
C. WSA
D. ASA
【单选题】
which iPS mode is less secure than other options but allows optimal network through put ?___
A. inline mode
B. inline-bypass mode
C. transparent mode
D. Promiscuous mode
【单选题】
Which feature of the Cisco Email security Appliance can mitigate the impact of snowshoe spam and sophisticated phishing attack？___
A. reputation based filtering
B. signature based IPS
C. contextual analysis
D. graymail management and filtering
【单选题】
Which type of social-engineering attack uses normal tele phone service as the attack vector？___
A. smishing
B. dialing
C. phishing
D. vishing
【单选题】
Which quantifiable item should you consider when you organization adopts new technologies？___
A. exploits
B. vulnerability
C. threat
D. Risk
【单选题】
Referencing the ClA model， in which scenario is a hash- only function most appropriate ？___
A. securing data at rest
B. securing real-time traffic
C. securing data in files
D. securing wireless transmissions
【单选题】
Which ports must be open between a aaa server and a microsoft server to permit Active Directory authentications？___
A. 445 and 389
B. 888 and 3389
C. 636 and 4445
D. 363 and 983
【单选题】
Refer to the exhibit for which reason is the tunnel unable to pass traffic___
A. the tunnel is failing to receive traffic from the remote peer
B. the local peer is unable to encrypt the traffic
C. the ip address of the remote peer is incorrect
D. UDP port 500 is blocked
【单选题】
Which type of attack can exploit design flaws in the implementation of an application without___
A. DHCP starvation attacks
B. low-rate dos attacks
C. application DDos flood attacks
D. application DDoS flood attacks
E. volume-based DDoS attacks
【单选题】
How can you protect CDP from reconnaissance attacks？___
A. Enable dynamic ARP inspection on all untrusted ports.
B. Enable dot1x on all ports that are connected to other switches.
C.
D. isable CDP on ports connected to endpoints.
【单选题】
Which type of attack can exploit design flaws in the implementation of an application without ？___
A. DHCP starvation attacks
B. low-rate dos attacks
C. application DDos flood attacks
D. application DDoS flood attacks
E. volume-based DDoS attacks
【单选题】
Which option is a key security compone nt of and MDM deployment ？___
A. using network-specific installer packages
B. using an application tunnel by default
C. using self-signed certificates to validate the server
D. using MS-CHAPv2 as the primary
E. AP method
【单选题】
Which Firepower Management Center feature detects and block exploits and hack attempts？___
A. Content blocker
B. file control
C. intrusion prevention
D. advanced malware protection
【单选题】
hich description of the nonsecret numbers that are used to start a Diffie- Hellman exchange is ture？___
A. They are preconfigured prime integers.
B. They are large pseudorandom numbers.
C. They are very small numbers chosen from a table of known valuses
D. They are numeric values extracted from ha shed system hostnames
【多选题】
Which two characteristics of an application layer firewall are true？___
A. provides stateful firewal functionality
B. has low processor usage
C. provides protection for multiple applications
D. provides rever se proxy services
E. is immune to URL manipulation
【多选题】
Which two devices are components of the BYOD architectural framework？___
A. Nexus 7010 switch
B. Cisco 3945 Router
C. Identify Services Engine
D. Wireless Access oints
E. Prime Infrastructure
【多选题】
Which two actions can a zone based firewall take when looking at traffic？ ___
A. forward
B. inspect
C. drop
D. broadcast
E. filter
【多选题】
n which two situations should you use in-band management？___
A. when management applications need concurrent access to the device
B. when you require administrator access from multiple locations
C. when a network device fails to forward packets
D. when you require ROMMON access
E. when the control plane fails to respond
【多选题】
What are two ways to prevent eavesdropping when you perform device management tasks？___
A. Use an SSH connection.
B. Use SNMPv3
C. Use out-of-band management
D. Use SNMP
E. Use in-band management
【多选题】
Which two features are commonly used CoPP and CPPr to protect the control plane？ ___
A. QoS
B. traffic classification
C. access lists
D. policy maps
E. class maps
F. Cisco Express Forwarding
【多选题】
Which four tunne ling prot ocols are enabled in the Dfit GrpPolicy group policy ？___
A. Clientless SSL VPN
B. SSL VPN Client
C. PPTP
D. L2TP/IPsec
E. IPsec IKEv1
F. IPsec IKEv2
【多选题】
Which two statements regarding the aSA VPN configurations are correct？___
A. The asa has a certificate issued by an external certificate authority associated to the ASDM TrustPoint1
B. The Default WEBVPNGroup Connection Profile is using the aaa with RADIUS server method
C. The Inside-srvbook mark references the https://192.168.1.2url
D. Only Clientless SSL VPN access is allowed with the Sales group policy
E. Any Connect， IPSec IKEv1， and IPSec IKEv2 VPN access is enabled on the outside interface
F. The Inside -SRV bookmark has not been applied to the Sales group policy
【多选题】
Which three ESP fields can be encrypted during transmission？___
A. Security Parameter Index
B. Sequence Number
C. MAC Address
D. Padding
E. Pad length
F. Next Header
【多选题】
.Which three statements de scribe DHCP spoofing attacks？___
A. They can modify traffic in transit.
B. They are used to perform man- in-the-middle attacks
C. They use ARP poisoning
D. They can access most network devices
E. They protect the ide ntity of the attacker by masking the DHCP address.
F. They are can physically modify the network gateway.
【多选题】
Which statement about the communication between interfaces on the same security level is true？___
A. Interfaces on the same security level require additional configuration to permit interinterface communication
B. Configuring interfaces on the same security level can cause asymmetric routing
C. All traffic is allowed by default between interfaces on the same security level
D. You can configure only one interface on a n individual security level
【多选题】
In which two situations should you use in band management？ ___
A. when the control plane fails to respond
B. when you require administrator access from multiple locations
C. when you require ROMMON access.
D. where a network device fails to forward packets
E. when multiple ma nagement applications need concument access to the device.
【多选题】
Which two features are supported in a VRF-aware softwar infrastructure before VRF-lite?___
A. multicast
B. fair queuing
C. WCCP
D.
E. IGRP
【多选题】
.Which loS command do you enter to test authentication again a AAA server？___
A. dialer aaa suffix <suffix> password <password>
B. ppp authentication chap pap test
C. test aaa-server authentication dialer group user name <user> password <password>
D. aaa authentication enable default test group tacases
【多选题】
Which two statements about the self zone on a cisco Xone based policy firewall are true？___
A. Multiple interfaces can be assigned to the self zone
B. it supports stateful inspections for multicast traffic
C. zone pairs that include the self zone apply to traffic transiting the device.
D. it can be either the source zone or the destination zone
E. traffic entering the self zone must match a rule
【多选题】
Which type of attack can exploit design flaws in the implementation of an application without ？___
A. DHCP starvation attacks
B. low-rate dos attacks
C. application DDos flood attacks
D. application DDoS flood attacks
E. volume-based DDoS attacks
