A network administrator needs to allow only one Telnet connection to a router. For anyone viewing the configuration and issuing the show run command, the password for Telnet access should be encrypted. Which set of commands will accomplish this task?（）A.B.C.D.
A network administrator needs to allow only one Telnet connection to a router. For anyone viewing the configuration and issuing the show run command, the password for Telnet access should be encrypted. Which set of commands will accomplish this task?（）
A.
B.
C.
D.
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A network administrator has configured source NAT, translating to an address that is on a locally connected subnet.The administrator sees the translation working, but traffic does not appear to come back.What is causing the problem?（）A. The host needs to open the telnet port.B. The host needs a route for the translated address.C. The administrator must use a proxy-arp policy for the translated address.D. The administrator must use a security policy, which will allow communication between the zones.
A network administrator needs to configure a router for a Frame Relay connection to a non－Cisco router. Which of the following commands will prepare the WAN interface for this connection?() A. Router(config-if)# encapsulation frame-relay q933aB. Router(config-if)# encapsulation frame-relay ansiC. Router(config-if)# encapsulation frame-relay ietfD. Router(config-if)# encapsulation frame-relay islE. None of the above
The network administrator needs to address seven LANs. RIP version 1 is the only routing protocol in use on the network and subnet 0 is not being used. What is the maximum number of usable IP addresses that can be supported on each LAN if the organization is using one class C address block?（）A.8B.6C.30D.32E.14F.16
A network administrator needs to configure a serial link between the main office and a remote location. The router at the remote office is a non-Cisco router.How should the network administrator configure the serial interface of the main office router to make the connection?（）A.B.C.D.
When one connection to a host fails in a full mesh network， which of the following is true？（）A、All hosts can communicate.B、No hosts can communicate.C、Half of the hosts will lose communication.D、Only the two hosts between the failed connection will lose communication.
Refer to the exhibit. A junior network administrator was given the task of configuring port security on SwitchA to allow only PC_A to access the switched network through port fa0/1. If any other device is detected, the port is to drop frames from this device. The administrator configured the interface and tested it with successful pings from PC_A to RouterA, and then observes the output from these two show commands.Which two of these changes are necessary for SwitchA to meet the requirements? （）A、Port security needs to be globally enabled.B、Port security needs to be enabled on the interface.C、Port security needs to be configured to shut down the interface in the event of a violation.D、Port security needs to be configured to allow only one learned MAC address.E、Port security interface counters need to be cleared before using the show command.F、The port security configuration needs to be saved to NVRAM before it can become active.
A network administrator needs to add an additional connection to a room. The administrator adds a new Ethernet switch and must connect it to an existing switch. Which cable type should be used to connect the two switches?（）A、CAT3 cableB、Serial cableC、Crossover cableD、Rollover cable
An administrator replaced a router with a switch. End users are able to access network shares butare not able to access the Internet. Which of the following is the BEST explanation why the usersare unable to access the Internet?（）A、Router routes traffic between different networks and a switch does notB、The new switch is faulty and needs to be replaced and configured correctlyC、The firewall needs to be setup to allow traffic to reach the InternetD、The switch needs to be setup to forward data traffic to the Internet
An administrator needs to connect servers to the Fiber Channel SAN. Which of the following should the administrator install in the servers to allow this connection？（）A、RiserB、HBAC、SCSI cardD、SAS card
A technician is working on a SOHO wireless network and notices that the wireless adaptor in the laptop shows excellent connection at 11Mbps. The technician has a wireless N adaptor. Which of the following would BEST describe this connection speed?（）A、The laptop is too far away from the WAP.B、The WAP is using 802.11a frequencies.C、The laptop is only set to allow 802.11n connections.D、The technician is on an 802.11b network.
An administrator only has one public IP address that must be shared among five employees. Which of the following network schemes should be used?（） A、SNATB、SNAPC、NACD、MPLS
An administrator is looking for the "Open RestrictedShell Terminal" option on the HMC GUI. Under which panel is this option available?（）A、HMC Management, but only from a local connection.B、Service Management, but only from a local connection.C、Systems Management, but only from a local connection.D、Systems Management, but only from a remote connection.
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 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 handshakingB、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.
You are a network adminstrator for your company. You install an intranet application on three Windows Server 2003 computers. You configure the servers as a Network Load Balancing cluster. You configure each server with two network adapters. One network adapter provides client computers access to the servers. The second network adapter is for cluster communications. Cluster communications is on a separate network segment. The network team wants to reduce the cluster’s vulnerability to attack. These servers need to be highly available. The network team decides that the Network Load Balancing cluster needs to filter IP ports. The team wants the cluster to allow only the ports that are required for the intranet application. You need to implement filtering so that only the intranet application ports are available on the cluster. You need to achieve this goal by using the minimum amount of administrative effort. What should you do？ （）A、 Use Network Load Balancing Manager to configure port rules. Allow only the intranet application ports on the cluster IP address.B、 Use TCP/IP filtering on each server. Configure only the intranet application ports on the network adapter that provides client computers access to the servers.C、 Use TCP/IP filtering on each server. Configure only the intranet application ports on both of the network adapters.D、 Configure Routing and Remote Access on each server. Use Routing and Remote Access input filters to allow only the intranet application ports on the network adapter that provides client computers access to the servers.
单选题You have a Windows Server 2008 R2 Hyper-V server with a single network adapter that is connected to a virtual network. The virtual network is configured as External. Virtual machines （VMs） running on the server are not able to communicate with the host server over the network. You need to ensure that VMs running on the server are able to communicate with the host server over the network. In Virtual Network Manager，what should you do？（）ASelect the Internal only connection type.BSelect the Private virtual machine network connection type.CSelect the Allow management operating system to share this network adapter check box.DClear the Allow management operating system to share this network adapter check box.
单选题You are a network adminstrator for your company. You install an intranet application on three Windows Server 2003 computers. You configure the servers as a Network Load Balancing cluster. You configure each server with two network adapters. One network adapter provides client computers access to the servers. The second network adapter is for cluster communications. Cluster communications is on a separate network segment. The network team wants to reduce the cluster’s vulnerability to attack. These servers need to be highly available. The network team decides that the Network Load Balancing cluster needs to filter IP ports. The team wants the cluster to allow only the ports that are required for the intranet application. You need to implement filtering so that only the intranet application ports are available on the cluster. You need to achieve this goal by using the minimum amount of administrative effort. What should you do？ （）A Use Network Load Balancing Manager to configure port rules. Allow only the intranet application ports on the cluster IP address.B Use TCP/IP filtering on each server. Configure only the intranet application ports on the network adapter that provides client computers access to the servers.C Use TCP/IP filtering on each server. Configure only the intranet application ports on both of the network adapters.D Configure Routing and Remote Access on each server. Use Routing and Remote Access input filters to allow only the intranet application ports on the network adapter that provides client computers access to the servers.
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. You have enabled Internet connection sharing. You do not want to initiate this connection automatically when a request for Internet reaches your computer. What should you do? （）AYou should uncheck “Enable on demand dialingBEnable on-demand dialingCEnable sharing a modem on one computer on the networkDConfigure a DHCP ServerEDisable Internet Connection Sharing
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？（）AConfigure the shared modem to use software handshakingBConfigure the dial-up connection to enable on-demand dialing.CConfigure the dial-up connection to enable the Internet connection sharing.DConfigure all the other computers to have a dial-up connection that uses the shared modem.EAttach the modem to one of the Windows 2000 Professional computer， and create a dial-up connection to the ISP.FAttach the modem to one of the Windows 2000 Professional computers， and share the modem on the network.
单选题A network administrator has configured source NAT, translating to an address that is on a locally connected subnet.The administrator sees the translation working, but traffic does not appear to come back. What is causing the problem?（）AThe host needs to open the telnet port.BThe host needs a route for the translated address.CThe administrator must use a proxy-arp policy for the translated address.DThe administrator must use a security policy, which will allow communication between the zones.
多选题Refer to the exhibit. A junior network administrator was given the task of configuring port security on SwitchA to allow only PC_A to access the switched network through port fa0/1. If any other device is detected, the port is to drop frames from this device. The administrator configured the interface and tested it with successful pings from PC_A to RouterA, and then observes the output from these two show commands.Which two of these changes are necessary for SwitchA to meet the requirements? （）APort security needs to be globally enabled.BPort security needs to be enabled on the interface.CPort security needs to be configured to shut down the interface in the event of a violation.DPort security needs to be configured to allow only one learned MAC address.EPort security interface counters need to be cleared before using the show command.FThe port security configuration needs to be saved to NVRAM before it can become active.
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.
单选题An organization hires a contractor who only needs access to email and a group calendar. They do not need administrator access to the computer. Which VPN model is the most appropriate?（）AThin ModelBThick ClientCPort ForwardingDClientless AccessELayer 3 Network Access
单选题A network administrator needs to configure a router for a Frame Relay connection to a non-Cisco router. Which of the following commands will prepare the WAN interface for this connection?（）ARouter(config-if)# encapsulation frame-relay q933aBRouter(config-if)# encapsulation frame-relay ansiCRouter(config-if)# encapsulation frame-relay ietfDRouter(config-if)# encapsulation frame-relay islENone of the above
单选题You install a new hardware router that provides wireless network connectivity between your computer and the Internet. You connect to the router by using a wireless network adapter. Your computer is able to access the Internet but is unable to discover other computers in the local wireless network. You need to configure the wireless connection to allow your computer to discover other computers. What should you do？（）AConfigure the network category of your wireless network connection to Private.BConfigure the network category of your wireless network connection to Public.CConfigure the TCP/IP packet filtering on the wireless network connection.DConfigure the wireless network connection with the appropriate authentication to the router.
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
单选题The network administrator needs to address seven LANs. RIP version 1 is the only routing protocol in use on the network and subnet 0 is not being used. What is the maximum number of usable IP addresses that can be supported on each LAN if the organization is using one class C address block?（）A8B6C30D32E14F16