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Network security consists of policies and practices to prevent and monitor（ ）access,misuse,modification, or denial of a computer network and network-accessible resources.Network security involves the authorization of access to data in a network,which is controlled by the network（请作答此空）. Users choose or are assigned an ID and password or other authenticating information that allows them to access to information and programs within their authority.Network security secures the network,as well as protecting and overseeing operations being done. The most common and simple way of protecting a network resource is by assigning it a（ ）name and a corresponding password. Network security starts with authentication.Once authenticated a （ ） enforces policies such as what services are allowed to be accessed by the network users. Though effective to prevent unauthorized access, this component may fail to check potentially harmful content such as computer（ ）or Trojans being transmitted over the network
A.user
B.agent
C.server
D.administrator
B.agent
C.server
D.administrator
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参考解析
解析：网络安全概念。
更多 “Network security consists of policies and practices to prevent and monitor（ ）access,misuse,modification, or denial of a computer network and network-accessible resources.Network security involves the authorization of access to data in a network,which is controlled by the network（请作答此空）. Users choose or are assigned an ID and password or other authenticating information that allows them to access to information and programs within their authority.Network security secures the network,as well as protecting and overseeing operations being done. The most common and simple way of protecting a network resource is by assigning it a（ ）name and a corresponding password. Network security starts with authentication.Once authenticated a （ ） enforces policies such as what services are allowed to be accessed by the network users. Though effective to prevent unauthorized access, this component may fail to check potentially harmful content such as computer（ ）or Trojans being transmitted over the networkA.user B.agent C.server D.administrator ” 相关考题
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The network administrator has configured port security on a Ezonexam switch. Why would a network administrator configure port security on this Ezonexam device?A．To prevent unauthorized hosts from getting access to the LANB．To limit the number of Layer 2 broadcasts on a particular switch portC．To prevent unauthorized Telnet or SSH access to a switch portD．To prevent the IP and MAC address of the switch and associated portsE．None of the above
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NAC's(Network Access Control)role is to restrict network access to only compliant endpoints and(66)users. However, NAC is not a complete LAN(67)solution; additional proactive and(68)security measures must be implemented. Nevis is the first and only comprehensive LAN security solution that combines deep security processing of every packet at 10Gbps, ensuring a high level of security plus application availability and performance. Nevis integrates NAC as the first line of LAN security(69). In addition to NAC, enterprises need to implement role-based network access control as well as critical proactive security measures — real-time, multilevel(70)inspection and microsecond threat containment.A．automatedB．distinguishedC．authenticatedD．destructed
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Which cisco security product line uses deep inspection to identify and prevent malicious attacks, resource misuse, and unauthorized access?()
A.MARSB.NACC.VPND.IPS
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For security reasons, the network administrator needs to prevent pings into the corporate networks from hosts outside the internetwork. Which protocol should be blocked with access control lists()。
A.IPB.ICMPC.TCPD.UDP
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●The (75)is designed specifically as a security system for preventing unauthorized communications between one computer network and another computer network.(75)A.firewallB.protocolC.hackerD.virus
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Network security consists of policies and practices to prevent and monitor（ ）access,misuse,modification, or denial of a computer network and network-accessible resources.Network security involves the authorization of access to data in a network,which is controlled by the network（ ）. Users choose or are assigned an ID and password or other authenticating information that allows them to access to information and programs within their authority.Network security secures the network,as well as protecting and overseeing operations being done. The most common and simple way of protecting a network resource is by assigning it a（请作答此空）name and a corresponding password. Network security starts with authentication.Once authenticated a （ ） enforces policies such as what services are allowed to be accessed by the network users. Though effective to prevent unauthorized access, this component may fail to check potentially harmful content such as computer（ ）or Trojans being transmitted over the networkA.complex
B.unique
C.catchy
D.long
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What are two recommended ways of protecting network device configuration files from outside network security threats (Choose two.)（）。A、Allow unrestricted access to the console or VTY portsB、Use a firewall to restrict access from the outside to the network devicesC、Always use Telnet to access the device command line because its data is automatically encryptedD、Use SSH or another encrypted and authenticated transport to access device configurationsE、Prevent the loss of passwords by disabling password encryption
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Which two actions， when taken in combination， will result in an effective network security solution？（）A、 develop a policy for securing the networkB、 monitor and test network activities for vulnerabilitiesC、 implement reflexive access listsD、 implement dynamic access listsE、 select and implement a single comprehensive virus protection program
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What are two benefits of integrating Junos Pulse Access Control Service with Security Threat Response Manager (STRM)?（）A、The ability to detect and prevent malicious traffic.B、The ability to associate security breaches with a specific user.C、Converged management of network and security events, network flow data, and identity information.D、Consistent device management across administrative realms.
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The Cisco Unified Wireless Network minimizes the TCO and maximizes woreless network uptime by optimizing which two deployment， management， and security features？（）A、 unified wireless and wired infrastructure for a single point of control for all WLAN trafficB、 simplified management of central or remotely located access pointsC、 extension features to wired network services， such as denial of service prevention and ACLsD、 threat defense with a robust wired IDS
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Which feature would prevent guest users from gaining network access by unplugging an IP phone and connecting a laptop computer？（）A、IPSec VPNB、SSL VPNC、port securityD、port security with statically configured MAC addressesE、private VLANs
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Which cisco security product line uses deep inspection to identify and prevent malicious attacks,resource misuse, and unauthorized access?（）A、MARSB、NACC、VPND、IPS
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A technician installed a new wireless access point on an existing small office home office (SOHO) network with a selective security option enabled. All wireless computers connect to the new network except one computer that cannot connect to the wireless network. Which of the following is the cause?（）A、The network uses MAC filteringB、The network uses WEPC、The network uses SSID broadcastD、The network uses WPA
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You are the network administrator for TestKing. Your network consists of a single Active Directory domain named All network servers run Windows Server 2003, and all 200 client computers run Windows XP Professional. Software Update Services (SUS) is installed with default settings on a server named TestKing5. You discover that a critical security update for Internet Explorer is not installed on any client computer. You verify that the update was downloaded from the Internet to TestKing5. You also verify that more recent security updates are installed. You need to investigate the cause of this problem. You will use the SUS administration console on TestKing5. Which data should you evaluate? （）(Choose two)A、The security update in the synchronization log.B、The security update in the approval log.C、The status of Internet Explorer 5.5x in the Monitor Server window.D、The status of Internet Explorer 6.x in the Monitor Server window.
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You are the administrator of your company’s network. Ten Windows 2000 Professional computers are located in the Research department. The computers contain highly confidential information. You want the 10 computers to be able to communicate with other Windows 2000 Professional computers on the network. However, you do not want them to communicate with computers that are not running Windows 2000, including those that are running Windows 95, Windows 98 and Windows NT. You want to configure a security policy on each computer to ensure that the confidential information is secure. What should you do?（）A、Use Security Configuration and Analysis to import the Hisecws.inf security template file to modify the default security settings.B、Use security templates to create a security template file and import the security settings to modify the default security settings.C、Use the local computer policy to disable the access to this computer from the network option.D、Use Secedit.exe to reconfigure the computers’ default security settings to not allow anonymous access to the computers.
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You have a combined Windows 2000 and Windows 98 network that contain sensitive data. You want to utilize as many new Windows 2000 security features as possible. You want to customize a security policy on each computer to ensure that data is kept confidential and secured. Allcomputers must still be able to communicate with each other over the network. What should you do？（）A、Use the security configuration and analysis console to improve the HISECWS security template file.B、Use the local computer policy to disable the access this computer from the network option.C、Use SECEDIT to reconfigure the computer default security settings to not allow anonymous access to the computer.D、Create a policy that excludes write access to the windows 2000 computers then apply the policy to all non-windows 2000 computers.E、None of the above, Windows 9X systems cannot be secured using security template files.
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You want to prevent a Windows 2000 Professional computer named Payroll5 from communicating on your network with Windows NT 4.0， Windows 95， and Windows 98 computers. You want to enable the payroll5 computer to communicate on your network with other Windows 2000 computers only. What should you do？（）A、Close all NetBIOS ports in the advanced TCP/IP options of Payroll5.B、Import the Hisecws.inf security template to payroll5.C、Disable access this computer from network in the local security policy settings for payroll5.D、Clear all WINS client settings on payroll5.
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You are the network administrator for ExamSheet. Computers on your network run Windows 2000 Professional, Windows NT Workstation 4.0 and Windows 98. Ten Windows 2000 Professional computers are located in the research department. These computers contain highly confidential information. You want the 10 Windows 2000 Professional computers to be able to communicate only with other Windows 2000 computers. What should you do?（）A、On the research computers use the Local Computer Policy to disable theAccess this computer from the networkoption.B、Use Security Configuration and Analysis to apply the Highly Secure security template to the research computers.C、Add the users of the research computers to the Power Users group on each computer.D、On the research computers configure the security settings to prevent anonymous access.
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You are the network administrator for your company. The network consists of a single Active Directory domain. The network contains an application server running Windows Server 2003. Users report intermittent slow performance when they access the application server throughout the day. You find out that the network interface on the application server is being heavily used during the periods of slow performance. You suspect that a single computer is causing the problem.You need to create a plan to identify the problem computer. What should you do？（）A、 Monitor the performance monitor counters on the application server by using System Monitor. B、 Monitor the network traffic on the application server by using Network Monitor.C、 Monitor network statistics on the application server by using Task Manager.D、 Run network diagnostics on the application server by using Network Diagnostics.
考题
Your network contains a computer named Computer1 that runs Windows 7.You need to verify if Computer1 has active DirectAccess connections to the network.What should you do？（）A、From Network Connections, right-click the active network connection, and then click Status.B、From Network Connections, select the active network connection, and then click Diagnose this connection.C、From Windows Firewall with Advanced Security, click Monitoring, and then click Connection Security Rules.D、From Windows Firewall with Advanced Security, click Monitoring, click Security Associations, and then click Main Mode.
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多选题You work as a senior administrator at ABC.com. The ABC.com network consists of a single domain named ABC.com. All servers on the ABC.com network have Windows Server 2012 R2 installed. You are running a training exercise for junior administrators. You are currently discussing the Windows Firewall with Advanced Security feature. Which of the following is TRUE with regards to Windows Firewall with Advanced Security？（）AIt provides host-based，two-way network traffic filtering for a computer.BIt provides host-based，one-way network traffic filtering for a computer.CIt blocks unauthorized network traffic flowing into or out of the local computer.DIt only blocks unauthorized network traffic flowing into the local computer.EIt only blocks unauthorized network traffic flowing out of the local computer.
考题
单选题A technician installed a new wireless access point on an existing small office home office (SOHO) network with a selective security option enabled. All wireless computers connect to the new network except one computer that cannot connect to the wireless network. Which of the following is the cause?（）A
The network uses MAC filteringB
The network uses WEPC
The network uses SSID broadcastD
The network uses WPA
考题
单选题What is an important step to take when verifying a newly proposed network security solution？ （）A
Test the design on a pilot network for expected results prior to implementing on the production network.B
Run a network audit to determine types of traffic in use on the network.C
Launch campus updates into the production network and monitor impact to see if configuration changes are needed.D
Create an interruption of data flow to determine test back-door access methods.
考题
单选题You are the network administrator for your company. The network consists of a single Active Directory domain. The domain contains a Windows Server 2003 computer named Server1 that is located in an organizational unit （OU） named Servers. Server1 contains confidential data， and all network communications with Server1 must be encrypted by using IPSec. The default Client （Respond Only） IPSec policy is enabled in the Default Domain Policy Group Policy object （GPO）. You create a new GPO and link it to the Servers OU. You configure the new GPO by creating and enabling a custom IPSec policy. You monitor and discover that network communications with Server1 are not being encrypted. You need to view all IPSec policies that are being applied to Server1. What should you do？ （）A
Use Local Security Policy to view the Security Options for Server1.B
Use Resultant Set of Policy （RSoP） to run an RSoP logging mode query to view the IP Security Policies on Local Computer for Server1.C
Use Resultant Set of Policy （RSoP） to run an RSoP planning mode query to view the Security Options for Server1.D
Use IP Security Monitor to view the Active Policy for Server1.E
Use IP Security Monitor to view the IKE Policies for Server1.
考题
单选题Which feature would prevent guest users from gaining network access by unplugging an IP phone andconnecting a laptop computer？（）A
IPSec VPNB
SSL VPNC
port securityD
port security with statically configured MAC addressesE
private VLANs
考题
单选题For security reasons, the network administrator needs to prevent pings into the corporate networks from hosts outside the internetwork. Which protocol should be blocked with access control lists？（）A
IPB
ICMPC
TCPD
UDP
考题
多选题What are two benefits of integrating Junos Pulse Access Control Service with Security Threat Response Manager (STRM)?（）AThe ability to detect and prevent malicious traffic.BThe ability to associate security breaches with a specific user.CConverged management of network and security events, network flow data, and identity information.DConsistent device management across administrative realms.
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