Which one of the following characteristics is true regarding the use of hubs and switches?A．Hubs can have their ports be configured with VLANsB．Using hubs is costly with regard to bandwidth availability.C．Switches can not forward broadcasts.D．Switches are more efficient than hubs in processing frames.E．Switches increase the number of collision domains in the network.
Which one of the following characteristics is true regarding the use of hubs and switches?
A．Hubs can have their ports be configured with VLANs
B．Using hubs is costly with regard to bandwidth availability.
C．Switches can not forward broadcasts.
D．Switches are more efficient than hubs in processing frames.
E．Switches increase the number of collision domains in the network.
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多选题Which of the following statements are true regarding bridges and switches? (Choose 3.)（）ASwitches are primarily software based while bridges are hardware based.BBoth bridges and switches forward Layer 2 broadcasts.CBridges are frequently faster than switches.DSwitches have a higher number of ports than most bridges.EBridges define broadcast domains while switches define collision domains.FBoth bridges and switches make forwarding decisions based on Layer 2 addresses.
多选题You have an Ethernet network. Which of the conditions below can lead to increased congestion on your network?（）AThe use of Full-Duplex Mode.BThe Creation on New Collision Domains.CThe Creation on New Broadcast Domains.DThe Addition of Hubs to the Network.EThe use of switches in the Network.FThe Amount of ARP or IPX SAP Traffic.
单选题Which of the following statements is TRUE regarding crane operations（）.ARadio communications allow the crane operator to disregard the use of hand signalsBThe crane operators and signalman must be familiar with the correct hand signalsCThe forward cranes can be operated from the bridgeDThe aft cranes can be operated from the aft steering station
多选题With regard to bridges and switches, which of the following statements are true?（）ASwitches are primarily software based while bridges are hardware based.BBoth bridges and switches forward Layer 2 broadcasts.CBridges are frequently faster than switches.DSwitches typically have a higher number of ports than bridges.EBridges define broadcast domain while switches define collision domains.FBoth bridges and switches make forwarding decisions based on Layer 2 addresses.
多选题Which of the following are true statements regarding the characteristics of OSPF areas? Select all that apply.（）AAll OSPF networks require the use of multiple areasBMultiple OSPF areas must connect to area 0CSingle area OSPF networks must be configured in area 1DAreas can be assigned any number from 0 to 63535EArea 0 is called the backbone areaFEach OSPF area need to be configured with a loopback interface
单选题Which of the following characteristics is true of a PCIe x8 card?（）AIt can use only IRQ8.BIt uses eight memory addresses for storage of data.CIt has eight lanes by which data is transmitted.DIt has eight times the bandwidth of a standard PCI card.
单选题Which statement about vlan operation on cisco catalyst switches is true?（）Awhen a packet is received from an 802.1Q trunk,the vlan id can be determined from the source MAC address tableBunkown unicast frames are retransmitted only to the ports that belong to the same vlanCports between switches should be configured in access mode so that vlans can span across the portsDbroadcast and multicast frames are retransmitted to ports that are configured on different vlan.
单选题Which of the following is true regarding the use of switches and hubs for network connectivity?（）ASwitches take less time to process frames than hubs take.BSwitches do not forward broadcasts.CHubs can filter frames.DUsing hubs can increase the amount of bandwidth available to hosts.ESwitches increase the number of collision domains in the network.
单选题Which one of the following characteristics is true regarding the use of hubs and switches?（）AHubs can have their ports be configured with VLANsBUsing hubs is costly with regard to bandwidth availability.CSwitches can not forward broadcasts.DSwitches are more efficient than hubs in processing frames.ESwitches increase the number of collision domains in the network.