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【单选题】

The internet address 198.102.27.120 represents which of the following addresses？（）

A、Class A

B、Class B

C、Class C

D、Class D

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更多“The internet address 198.102.27.120 represents which of the following addresses？（）”相关的问题
第1题
[单选题] You have a server that runs Windows Server 2003 Service Pack 2 (SP2). The server connects to the Internet by using a router.You attempt to ping an Internet host and receive the following error message: “Destination host unreachable.”The server’s routing table is configured as shown in the exhibit. (Click the Exhibit button.) You need to ensure that you can access Internet hosts. What should you do?（）

A、Modify the subnet mask.   B、Modify the default gateway address.   C、Clear the Address Resolution Protocol (ARP) cache.   D、Stop the Windows Firewall/Internet Connection Sharing (ICS) service.  

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第2题
[单选题] You use a Windows 2000 Professional portable computer both at the office and at home. In the office youconnect the portable computer to a docking station and use Internet Explorer to access the Internetthrough your LAN connection.At home， you configure a new dial-up connection to the Internet. Now when you attempt to access theInternet from the office you are prompted to connect via your dial-up connection. When you cancel thismessage， you can only work offline and cannot access the Internet.You want to&#8194

A、Reconfigure the dial-up connection to dial-up to a private network.  B、Create another connection that uses a virtual private network （VPN） to connect to a privatenetwork though the Internet.  C、Configure Internet Explorer to automatically detect proxy settings.  D、Configure Internet Explorer to dial whenever a network connection is not present.  

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第3题
[单选题] You create a shared Internet connection on a Windows 2000 Professional computer. Your network has 10 users on the LAN. All of the users can connect to HTTP sites， FTP sites， and streaming audio content on the Internet. One of the computers on your LAN is running an FTP host application. Users on the Internet cannot connect to the FTP host on your network. What should you do？（）

A、Configure the FTP host to accept incoming requests on service port 80.  B、Configure an Internet Connection Sharing application type for FTP to use remote server port 23.  C、Configure an Internet Connection Sharing service type for FTP use service port 21 on the FTP host computer.  D、Configure an Internet Connection Sharing service type for FTP use service port 23 on the FTP host computer.  

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第4题
[单选题] A technician is troubleshooting a lack of Internet connectivity affecting their entire office. The technician suspects the issue is with their Internet Service Provider failing to provide service.Which of the following command line tools should the technician use to BEST test this theory？（）

A、tracert  B、ipconfig  C、netstat  D、nslookup  

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第5题
[单选题] You have a server that runs Windows Server 2003 Service Pack 2 (SP2). The server is configured as a network address translation (NAT) router. The server has two network adapters and provides Internet access for the network.You need to prevent traffic on port 21 from being sent to the Internet. All other outbound traffic must be allowed.What should you do?（） 

A、On the network adapter that is connected to the LAN, enable TCP/IP filtering.   B、On the network adapter that is connected to the Internet, enable TCP/IP filtering.   C、From the Routing and Remote Access snap-in, open the properties of the interface connected to the Internet, select the Services and Ports tab, and define a new service.   D、From the Routing and Remote Access snap-in, open the properties of the interface connected to the Internet, select the NAT/Basic Firewall tab, and define a new static packet filter.  

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第6题
[单选题] A gateway machine has access to the Internet and is trying to reach a machine on the Internet called cactus.org. Although the gateway machine cannot reach cactus.org， another network across town is able to reach cactus.org. Furthermore， the gateway machine can reach the network across town， but cannot ping the cactus.org. Which of the following tools will best help diagnose the location of the problem？（）

A、iptrace  B、netstat  C、tcpdump  D、traceroute  

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第7题
[多选题] You are the administrator of your company’s network. Your network consists of 20 Windows 2000 Professional computers. You want to configure all of the computers to allow access to the Internet. Your Budget does not allow for installing a permanent Internet connection for the network. You do have a single dial-up account at a local Internet service provider （ISP） and a 56-Kbps modem. You want the computer to be able to access the Internet when web resources are requested. What should you do？（）

A、Configure the shared modem to use software handshaking  B、Configure the dial-up connection to enable on-demand dialing.  C、Configure the dial-up connection to enable the Internet connection sharing.  D、Configure all the other computers to have a dial-up connection that uses the shared modem.   E、Attach the modem to one of the Windows 2000 Professional computer， and create a dial-up connection to the ISP.  F、Attach the modem to one of the Windows 2000 Professional computers， and share the modem on the network.  

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第8题
[单选题] Typical ADSL broadband Internet access requires a username and password to be entered on end-userPC connected to the ADSL modem in order for the end user to gain access to the Internet.if a Cisco ADSLrouter is used instead of an ADSL modem，what functionality is required on the Cisco ADSL router so theend-user connected to the Cisco ADSL router can access the Internet without entering a username andpassword？（）

A、PPPoA  B、Route Bridge Encapsulation（RBE）  C、PPPoE client  D、Integrated Routing and Bridging（IRB）  E、AAA  

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第9题
[单选题] The LAN-side of the Teleworker router is assigned private IP address space (RFC1918), and the VPN topology is IPSec-only (no GRE protocol). When is it required to configure NAT/pNAT on the Teleworker router?（）

A、when all access to the Internet is through the IPSec tunnel  B、when there is direct Internet access via split-tunneling  C、when there is no Internet access configured through the Teleworker router  D、whenever you have IOS-Firewall (CBAC) configured  

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第10题
[单选题] You are the network administrator for Company.You need to connect to Company’s network from your Windows 2000 Professional computer at home.You have a DSL line that is used for Internet connectivity. You create an L2TP virtual private network（VPN） connection and are able to connect successfully to Company’s network. While connected toCompany’s network， you are unable to access the Internet.You want to be able to access the Internet while connected to Company’s network.How should you configure the connection properties？（）

A、Configure the DSL connection to use PPTP instead of L2TP.   B、Enable Internet Connection Sharing for the DSL connection properties.   C、CLEAR THE Use default gateway on remote network check box.   D、Clear the Require data encryption check box.   

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