单项选择题
Refer to the exhibit. What is the overall type of queuing being used on the outgoing data for interface Ethernet0/1? （）
A.LLQ B.FIFO C.CBWFQ D.priority queuing E.weighted fair queuing F.IP RTP priority queuing
WhichthreeofthesestatementsaboutDynamicTrunkingProtocol...
多项选择题Which three of these statements about Dynamic Trunking Protocol are correct？（）
A.It supports autonegotiation for both ISL and IEEE 802.1Q trunks. B.It must be disabled on an interface if you do not want the interface to work as a trunk or start negotiation to become a trunk. C.It is a point-to-multipoint protocol. D.It is a point-to-point protocol. E.It is not supported on private VLAN ports or tunneling ports.
Whichofthesecorrectlyidentifiesadifferencebetweentheway...
单项选择题Which of these correctly identifies a difference between the way BPDUs are handled by 802.1w and 802.1D？（）
A.802.1D bridges do not relay BPDUs. B.802.1w bridges do not relay BPDUs. C.802.1D bridges only relay BPDUs received from the root. D.802.1w bridges only relay BPDUs received from the root.
R1，R2，R3 are all in same ospf area， there is a virtual ...
问答题
R1，R2，R3 are all in same ospf area， there is a virtual link between R1 and R3. Pls answer： Are the hello packets exchanged between the virtual link？
