多项选择题
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
点击查看答案
相关考题
- 多项选择题 Which of the following are benefits of VLANs? ()
- 多项选择题 What are three benefits of implementing vlans?()
- 单项选择题 A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?()
- 单项选择题 Which switch would STP choose to become the root bridge in the selection process?()
- 多项选择题 Which two protocols are used by bridges and/or switches to prevent loops in a layer 2 network? ()
- 单项选择题 What is the function of the command switchport trunk native vlan 999 on a switch?()
- 单项选择题 Refer to the exhibit.Switch-1 needs to send data to a host with a MAC address of 00b0.d056.efa4.What will Switch-1 do with this data?()
- 单项选择题 What value is primarily used to determine which port becomes the root port on each nonroot switch in a spanning-tree topology?()
- 单项选择题 Refer to the exhibit. Based on the information given. Which switch will be elected root bridge and why?()
- 多项选择题 For what two purposes does the Ethernet protocol use physical addresses? ()
- 多项选择题 Which destination addresses will be used by Host A to send data to Host C?()
- 单项选择题 Where does routing occur within the DoD TCP/IP reference model?()
- 多项选择题 Which three statements accurately describe layer 2 Ethernet switches?()
- 多项选择题 Refer to the exhibit.What two results would occur if the hub were to be replaced with a switch that is configured with one Ethernet VLAN?()
- 单项选择题 Refer to the graphic.Host A is communicating with the seiver. What will be the source MAC address of the frames received by Host A from the server?()
- 多项选择题 Which of the following correctly describe steps in the OSI data encapsulation process?()
- 单项选择题 A receiving host computes the checksum on a frame and determines that the frame is damaged.The frame is then discarded.At which OSI layer did this happen?()
- 单项选择题 A network administrator is verifying the configuration of a newly installed host by establishing an FTP connection to a remote server. What is the highest layer of the protocol stack that the nework administrator is using for this operation?()
- 单项选择题 Refer to the exhibit, Host A pings interface S0/0 on router 3, what is the TTL value for that ping?()
- 单项选择题 Which layer in the OSI reference model is responsible for determining the availability of the receiving program and checking to see if enough resources exist for that communication?()