In an Ethernet network, under what two scenarios can devices transmit? （）A、when they receive a special tokenB、when there is a carrierC、when they detect no other devices are sendingD、when the medium is idleE、when the server grants access
In an Ethernet network, under what two scenarios can devices transmit? （）
- A、when they receive a special token
- B、when there is a carrier
- C、when they detect no other devices are sending
- D、when the medium is idle
- E、when the server grants access
相关考题：
While troubleshooting an issue in the Ezonexam LAN you notice that a network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port?A. This is an Ethernet port operating at half duplexB. This is an Ethernet port operating at full duplexC. This is a port on a network interface card in a PCD. This is 10 MB/s switch portE. This is a 100 MB/s switch portF. None of the above
With regard to Ethernet media access methods, which of the following are true?(Choose all that apply.)A．A device waits for an electronic signal before transmitting.B．A device listens and waits until the media is not busy before transmitting.C．All devices on an Ethernet segment see data that passes on the network medium.D．Only the sender and the receiver devices see data that passes on the network medium.E．Ethernet networks allow you to configured devises with higher transmission priority.
Refer to the exhibit. A network administrator has configured DHCP services on the router asshown. DHCP clients connected to the FastEthernet0/0 interface are working properly. DHCP clients connected to the FastEthernet0/1 interface are not receiving addresses.Which two statements contain recommendations that will solve the problem?（）A.The network shown in the output under the ip dhcp pool Central command should be changed to network 10.10.0.0 with a mask of 255.255.255.0B.A second DHCP pool for network 10 .10.0.0/24 should be configuredC.An ip dhcp excluded - address global configuration command for network 10.10.0.0/24 should be issuedD.The ip helper -address 10.0.0.1 command should be issued so that the address can be added to the Fast Ethernet0/0 c onfigurationE.The ip helper -address 10.0.0.1 command should be issued so that the address can be added to the Fast Ethernet0/1 configuration
Which one of the following actions would actually increase congestion on an Ethernet network?() A. Increasing the number of collision domains.B. Micro-segmenting the network.C. Adding hubs for connectivity to the network.D. Putting additional switches in the network.E. Implementing VLANs in the network.
Which two of these are characteristics of Metro Ethernet? () A. class of serviceB. bandwidth profilesC. user-network interfaceD. Ethernet LAN circuit attributesE. Ethernet virtual circuit attributes
In an Ethernet network, under what two scenarios can devices transmit?() A. when they receive a special tokenB. when there is a carrierC. when they detect no other devices are sendingD. when the medium is idleE. when the server grants access
Ethernet is the commonly used local area network communication protocol. The standard of Ethernet is （ ） .A.IEEE 802.1B.IEEE 802.2C.IEEE 802.3D.IEEE 802.11
A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port（）。A、This is a 10 Mb/s switch portB、This is a 100 Mb/s switch portC、This is an Ethernet port operating at half duplexD、This is an Ethernet port operating at full duplexE、This is a port on a network interface card in a PC
A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port?（）A、This is a 10 Mb/s switch port.B、This is a 100 Mb/s switch port.C、This is an Ethernet port operating at half duplex.D、This is an Ethernet port operating at full duplex.E、This is a port on a network interface card in a PC
A workstation would MOST likely be connected to an office network using which of the followingcable types?（）A、eSATAB、BluetoothC、SCSID、Ethernet
A customer has a requirement to eliminate single points of failure for an application. They have allocated one Ethernet adapter to each VIO server on the system. Which features of PowerVM and AIX will support the customer requirement？（）A、Etherchannel and trunkingB、Network Interface Backup and EtherchannelC、Shared Ethernet Adapter （SEA） Failover and EtherchannelD、Network Interface Backup and Shared Ethernet Adapter failover
In an Ethernet network, under what two scenarios can devices transmit?（）A、when they receive a special tokenB、when there is a carrierC、when they detect no other devices are sendingD、when the medium is idleE、when the server grants access
Which two of these are characteristics of Metro Ethernet? （）A、class of serviceB、bandwidth profilesC、user-network interfaceD、Ethernet LAN circuit attributesE、Ethernet virtual circuit attributes
With regard to Ethernet media access methods, which of the following are true?（）A、A device waits for an electronic signal before transmitting.B、A device listens and waits until the media is not busy before transmitting.C、All devices on an Ethernet segment see data that passes on the network medium.D、Only the sender and the receiver devices see data that passes on the network medium.E、Ethernet networks allow you to configured devises with higher transmission priority.
Which one of the following actions would actually increase congestion on an Ethernet network?（）A、Increasing the number of collision domains.B、Micro-segmenting the network.C、Adding hubs for connectivity to the network.D、Putting additional switches in the network.E、Implementing VLANs in the network.
What command will display the network configuration of an Ethernet adapter？（）A、lsdevB、lscfgC、entstatD、ifconfig
Which command will show the network configuration settings associated with an Ethernet adapter？（）A、lscfgB、lsdevC、netstatD、ifconfig
Company.com is adding HACMP to an existing pair of nodes. One node is using EtherChannel with only one adapter. The other node is using regular Ethernet connection to the switch. The customer is going to increase the number of network interfaces to two for each node. What other considerations need to be addressed in a HACMP environment？（） A、 Al interfaces used for HACMP heartbeats must be identical. Differences in the interfaces will cause heartbeat failure.B、 The network interfaces should all be configured with the same frame type. The use of regular Ethernet frames is mandatory.C、 Network interfaces for HACMP must be all the same，Ethernet or 802.3. It does not matter which，as long as they are all the same.D、 HACMP can use any network interface supported by AIX. The options on the various interfaces are masked by the Ethernet switch and do not affect HACMP.
Which of the following allows the user to have two separate Ethernet networks share the same network adapter？（）A、VLAN tagsB、EtherChannelC、Virtual EthernetD、Shared Ethernet Adapter
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Your company has just upgraded its CATAGORY 5 Ethernet network from 10Mbps to 100Mbps. After the upgrade， the 20 Windows 2000 Professional computers in the marketing department can no longer connect to the network. The remaining 80 Windows 2000 computers in the company can connect， however. Your company uses NWLink as the only network protocol.You need to connect the computers in the marketing department to the network. What must you do？ （）AConfigure the NWLink frame type of the network adapters to be ethernet 802.3.BConfigure the NWLink frame type of the network adapters to be ethernet II.CReplace the network adapters with 10/100 BNC adapters.DReplace the network adapters with 10/100 UTP network adapters.
单选题Which one of the following actions would actually increase congestion on an Ethernet network?（）AIncreasing the number of collision domains.BMicro-segmenting the network.CAdding hubs for connectivity to the network.DPutting additional switches in the network.EImplementing VLANs in the network.
单选题What are the basic configuration steps to enable IS - IS?（）AConfigure the net system - id command under routerisis and enable IS - IS on each interface with the ip router isis command.BConfigure the net sy stem - id and the network net - id commands under routerisis.CConfigure the network net - id command(s) under routerisis and enable IS - IS on each interface with the ip router isis command.DConfigure the network net - id command(s) and the is - type level -1- 2 command under routerisis.EConfigure the net system - id and the network net - id commands under routerisis and enable ISIS on each interface with the ip router isis command.
多选题In an Ethernet network, under what two scenarios can devices transmit?（）Awhen they receive a special tokenBwhen there is a carrierCwhen they detect no other devices are sendingDwhen the medium is idleEwhen the server grants access
单选题A customer is purchasing a 12-way p5-570 to run light development workloads on eight AIX 5.3 partitions with two network adapters each. When the current network configuration was reviewed， it was discovered that they only have four Ethernet ports available on their network switch. Which of the following solutions would prevent them from having to buy another network switch or hub？（）AAdd two HMCs with two Ethernet adapters each and run EtherChannel for the original eight partitions.BAdd two HMCs with two Ethernet adapters each and run Virtual Ethernet for the original eight partitions.CAdd two hosting partitions with two Ethernet adapters each and run EtherChannel for the original eight partitions.DAdd two hosting partitions with two Ethernet adapters each and run Virtual Ethernet for the original eight partitions.
单选题A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port?（）AThis is a 10 Mb/s switch port.BThis is a 100 Mb/s switch port.CThis is an Ethernet port operating at half duplex.DThis is an Ethernet port operating at full duplex.EThis is a port on a network interface card in a PC
单选题In a Bridged 1483 network, what Layer 2 encapsulations are passed between the DSL bridge and the ERX?（）Asingle ATM headerBsingle Ethernet headerCATM header followed by a PPP headerDATM header followed by an Ethernet header
单选题A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port（）。AThis is a 10 Mb/s switch portBThis is a 100 Mb/s switch portCThis is an Ethernet port operating at half duplexDThis is an Ethernet port operating at full duplexEThis is a port on a network interface card in a PC