What does a Layer 2 switch do if it receives a frame with a destination MAC address that is not found in its MAC address table?（）
第1题：
A:( ). B:She works in the Oxford University.
A. What does your mother do?
B. What do your parents do?
C. What are your parents doing at the moment?
第2题：
A. source MAC address
B. source IP address
C. source switch port
D. destination IP address
E. destination port address
F. destination MAC address
第3题：
A. What do you want to do
B. What ‟s he want to do
C. What does he want to do
D. What are you want to do
第4题：
第5题：
A.send a unicast ARP packet to the DSL modem/router
B.send unicast ICMP packets to the DSL modem/router
C.send Layer 3 broadcast packets to which the DSL modem/router responds
D.send a Layer 2 broadcast that is received by Host2, the switch, and the DSL modem/router
第6题：
A.Layer 1 on the interface is up but Layer 2 is down.
B.Layer 2 on the interface is up but Layer 3 has not been configured.
C.The interface is administratively up but the link status is down.
D.The interface is up but has been administratively turned off.
第7题：
A.source MAC address
B.source IP address
C.source switch port
D.destination IP address
E.destination port address
F.destination MAC address
第8题：
Roger: What does your sister-in-law do?
Cindy: ______
第9题：
What does Jackie Chan do?
____________
第10题：
What dose a Layer 2 switch use to decide where to forward a received frame?（）