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单选题
A PC on a network segment sends data to another PC on a different segment.Which of the following correctly describe the correct order of how this data will be encapsulated?（）
A
Data, Frame, Packet, Segment, Bit
B
Data, Frame, Segment, Packet, Bit
C
Data, Packet, Frame, Segment, Bit
D
Data, Packet, Segment, Frame, Bit
E
Data, Segment, Frame, Packet, Bit
F
Data, Segment, Packet, Frame, Bit
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考题
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考题
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考题
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考题
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考题
A PC on a network segment sends data to another PC on a different segment.Which of the following correctly describe the correct order of how this data will be encapsulated?（）A、Data, Frame, Packet, Segment, BitB、Data, Frame, Segment, Packet, BitC、Data, Packet, Frame, Segment, BitD、Data, Packet, Segment, Frame, BitE、Data, Segment, Frame, Packet, BitF、Data, Segment, Packet, Frame, Bit
考题
When a host transmits data across a network to another host, which process does the data go through?（）A、standardizationB、conversionC、encapsulationD、synchronization
考题
While troubleshooting a connectivity problem on the network, you issue the ping command from your PC command prompt, but the output shows "request times out."At which OSI layer is this problem associated with?（）A、The data link layerB、The application layerC、The access layerD、The session layerE、The network layer
考题
A user has just moved a PC from one office to another. The patch cable and the NIC do notappear to be functioning in the new office but were working before the move. The patch cable is plugged in correctly to both the NIC and the wall jack. Which of the following actions should the technician take FIRST?（）A、Verify that the network card is compatible with the operating system.B、Verify that the port on the switch is enabled.C、Update the network card driver.D、Replace the network cable with a crossover cable.
考题
Five of your company’s employees have Windows 2000 Professional portable computers. The employees use their portable computers in a network-enabled docking station when they are at their desks. When the employees are working outside of the office, they use the portable computers without network connectivity. You have just installed wireless PC Card network adapters in the portable computers so that the employees can access the network when they are in conference rooms in the office building. You need to configure the portable computers for optimum performance in all of the working environments. What should you do? （）A、Configure the wireless PC Card network adapters to use DHCP to obtain their IP addresses.B、Configure three different hardware profiles on each portable computer.C、Configure the wireless PC Card network adapters to use Automatic Private IP Addressing (APIPA） when they cannot detect a DHCP server.D、Instruct each employee to unplug the wireless PC Card network adapter whenever the portable computer is attached to a network-enabled.
考题
多选题You are the network administrator for Company. Five of Company’s employees have Windows 2000 Professional portable computers. The employees use their portable computers in a network enabled docking station when they are at their desks. When the employees are working outside of the office, they use the portable computers without network connectivity. You have just installed wireless PC Card network adapters in the portable computers so that the employees can access the network when they are in conference rooms in the office building. You need to configure the portable computers to always allow the employees to choose which network environment to use when they start their portable computers. What should you do?（）AConfigure three different hardware profiles on each portable computer.BConfigure a single hardware profile and rename it to Universal Profile.CConfigure the wireless PC Card network adapters to use Automatic Private IP Addressing （APIPA） when they cannot detect a DHCP server.DInstruct each employee to unplug the wireless PC Card network adapter whenever the portable computer is attached to a network-enabled docking station.EConfigure the hardware profiles selection to wait until a hardware profile is selected.FConfigure the hardware profiles selection to select the first profile listed and set the wait time to zero seconds.GConfigure the wireless PC Card network adapters to use DHCP to obtain their IP addresses.
考题
单选题A router that takes the workstations internal IP address and changes it to another IP address whenit sends the data outside of the network is an example of which of the following?（）A
NATB
IDSC
NMAPD
DMZ
考题
多选题Which of the following correctly describe steps in the OSI data encapsulation process?（）AThe transport layer divides a data stream into segments and may add reliability and flow control information.BThe data link layer adds physical source and destination addresses and an FCS to the segment.CPackets are created when the network layer encapsulates a frame with source and destination host addresses and protocol-related control information.DPackets are created when the network layer adds Layer 3 addresses and control information to a segment.EThe presentation layer translates bits into voltages for transmission across the physical link.
考题
单选题A Cisco Aironet Wireless LAN Adapter CB21AG is inserted into a user’s PC cardbus slot. Both the green status LED and the amber activity LED are blinking slowly. What is the condition of the adapter？ （）A
The adapter is scanning for the wireless network for which it is configured.B
The adapter is in power save mode.C
The adapter is transmitting or receiving data while associated to an access point or another client.D
The adapter is not receiving power.E
The adapter is associated to an access point or another client.F
None of the other alternatives apply
考题
单选题Which of the following commands would a technician use to view the active applicationconnections on a local PC to the network?（）A
ipconfigB
netstatC
nslookupD
net use
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