Computers on a small network are not able to receive new addresses from the DHCP server. However, the administrator has checked the server and ensured it is connected, responding, and functional. Which of the following is the MOST likely problem in this scenario?（）A、The DHCP server has an incorrect gateway configured.B、The DHCP server was incorrectly configured with a six hour lease time on addresses.C、The DHCP server was incorrectly configured with no-expiring lease time on addresses.D、The DNS server is no longer functional and internal name-address resolution is down.
Computers on a small network are not able to receive new addresses from the DHCP server. However, the administrator has checked the server and ensured it is connected, responding, and functional. Which of the following is the MOST likely problem in this scenario?（）
- A、The DHCP server has an incorrect gateway configured.
- B、The DHCP server was incorrectly configured with a six hour lease time on addresses.
- C、The DHCP server was incorrectly configured with no-expiring lease time on addresses.
- D、The DNS server is no longer functional and internal name-address resolution is down.
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Your company has client computers that run Windows 7 and client computers that run Windows XP Professional. You enable the Network Discovery feature on the Windows 7 computers. You discover that the Windows XP computers do not appear on the network map. You need to ensure that all client computers appear on the network map. What should you do?（）A.Configure the IPv6 protocol on the Windows 7 computers.B.Configure the network shares on the Windows 7 computers to include the user names of all employees.C.Configure the network shares on the Windows XP computers to include the user names of all employees.D.Install the Link Layer Topology Discovery (LLTD) Responder on the Windows XP computers.
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A user has a small network of four computers that they want to connect to a single cable modem. Which of the following devices would allow the user to do this？（）A、Four port switchB、Four port wireless routerC、Four port WAPD、Four port hub
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 a network administrator for your company. All domain controllers run Windows Server 2003. The network contains 50 Windows 98 client computers， 300 Windows 2000 Professional computers， and 150 Windows XP Professional computers. According to the network design specification， the Kerberos version 5 authentication protocol must be used for all client computers on the internal network. You need to ensure that Kerberos version 5 authentication is used for all client computers on the internal network. What should you do？ （）A、 On each domain controller， disable Server Message Block （SMB） signing and encryption of the secure channel traffic.B、 Replace all Windows 98 computers with new Windows XP Professional computers.C、 Install the Active Directory Client Extensions software on the Windows 98 computers.D、 Upgrade all Windows 98 computers to Windows NT Workstation 4.0.
Network Access Protection (NAP) is configured for the corporate network.Users connect to the corporate network by using portable computers.The company policy requires confidentiality of data when the data is in transit between the portable computers and the servers.You need to ensure that users can access network resources only from computers that comply with the company policy.What should you do？（）A、Create an IPsec Enforcement Network policy.B、Create an 802.1X Enforcement Network policy.C、Create a Wired Network (IEEE 802.3) Group policy.D、Create an Extensible Authentication Protocol (EAP) Enforcement Network policy.
You are an administrator of a small business network. You have one dial-up account at an ISP and want all computers on your network connect to the Internet. What should you do？ （）A、Enable Internet Connection SharingB、Enable on-demand dialingC、Enable sharing a modem on one computer on the networkD、Configure a DHCP ServerE、Disable Internet Connection SharingF、Configure all the other computers to be DHCP enabled.
You are the administrator of a small server based network. While installing Windows 2000 Professional on your computer, you configure the network adapter card for each computer to use TCP/IP and assign static IP setting information. During installation the setup detects and installs the 10/100 MBPS UTP only network adepter card on computers 6 8 and 10 MBPS/UTP combination adapter card on the other 7 computers. You accept the default settings for the network adapter card and finish installing the network adapter card. All computers are connected to 10/100 switch that has category 5 UTP cabling. After installation you find that computer 6 and 8 can communicate with each other. You want all 9 computers on your network to be able to communicate with each other. What should you do?（）A、Configure the 10/100 switch to transfer only at the 100 MBPS rate.B、Configure 10/100 MBPS network adapter card to switch all the computers at 10 MBPS rate.C、Change the combination network adapter card to use the BNC transceiver setting.D、Change the combination network adapter card to use the UTP transceiver setting.
You are the network administrator for Company.Company has just upgraded its network switches from 10 Mbps to 100 Mbps. After the upgrade， you findthat the 100 Windows 2000 Professional computers on the network are still communicating at only 10Mbps. Company uses NWLink as the only network protocol.You want to enable the computers to communicate at 100 Mbps.What should you do？（）A、Replace the network adapters with 10/100 Mbps network adapters. B、Enable TCP/IP on all of the computers on the network.C、Configure the NWLink frame type of the network adapters to be Ethernet II. D、Configure the NWLink frame type of the network adapters to be Ethernet 802.3.
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?（）AThe network uses MAC filteringBThe network uses WEPCThe network uses SSID broadcastDThe network uses WPA
单选题A college has a small campus where 25 faculty members are located. The faculty offices and student computers are currently on the same network. The faculty are concerned about students being able to capture packets going across the network and obtain sensitive material. What could a network administrator do to protect faculty network traffic from student connections?（）AInstall anti-virus software on the student computers.BPut the faculty computers in a separate VLAN.CPower down the switches that connect to faculty computers when they are not in use.DRemove the student computers from the network and put them on a peer-to-peer network.ECreate an access list that blocks the students from the Internet where the hacking tolls are located.
单选题Network access protection (NAP) is configured for the corporate network. Users connect to the corporate network by using portable computers. The command policy required confidentiality of data when is in transmit between the portable computers and the servers. You need to ensure that users can access network resources only from computers that comply with the company policy. What should you do?（）ACreate an Ipsec enforcement network policy.BCreate an 802.1xenforcemen tnetwork policy.CCreatea wired network（IEEE802.3）Group policy.DCreate an extensible authentication protocol（EAP）enforcement network policy.
多选题You are an administrator of a small business network. You have one dial-up account at an ISP and want all computers on your network connect to the Internet. What should you do？ （）AEnable Internet Connection SharingBEnable on-demand dialingCEnable sharing a modem on one computer on the networkDConfigure a DHCP ServerEDisable Internet Connection SharingFConfigure all the other computers to be DHCP enabled.
多选题You are the administrator of Company.com’s Windows 2000 Network. Your routed TCP/IP network consists of 10 Windows 2000 Server computers and 75 Windows 2000 Professional computers. All computers are in the Company.com domain. Your network uses TCP/IP as the only network protocol. You are installing 10 new Windows 2000 Professional computers. You want to enable the new computers to use host names to connect to shared resources on the network. You configure a TCP/IP address, a gateway address and a subnet mask on each new computer. You want to complete the configuration to allow the computers to communicate on the network. What should you do?（）AConfigure a HOSTS file.BConfigure a LMHOSTS file.CConfigure a WINS server database.DConfigure a DHCP server address.EConfigure at least one DNS address.
单选题Network Access Protection （NAP） is configured for the corporate network. Users connect to the corporate network by using portable computers. The company policy required confidentiality of data when the data is in transmit between the portable computers and the servers. You need to ensure taht users can access network resources only from computers that comply with the company policy. What should you do？ （）A Create an IPsec Enforcement Network policyB Create an 802.1X enforcement network policyC Create a wired network （IEEE 802.3） Group PolicyD Create an Extensible Authentication Portocol （EAP） Enforcement Network Policy
单选题You are an administrator of a small business network. You have one dial-up account at an ISP and want all computers on your network connect to the Internet. What should you do？ （）AEnable Internet Connection SharingBEnable on-demand dialingCEnable sharing a modem on one computer on the networkDConfigure a DHCP ServerEDisable Internet Connection Sharing