思科认证考试
Which statement about vlan operation on cisco catalyst switches is true?（）A、when a packet is received from an 802.1Q trunk,the vlan id can be determined from the source MAC address table.B、unkown unicast frames are retransmitted only to the ports that bel
题目
Which statement about vlan operation on cisco catalyst switches is true?（）
- A、when a packet is received from an 802.1Q trunk,the vlan id can be determined from the source MAC address table.
- B、unkown unicast frames are retransmitted only to the ports that belong to the same vlan
- C、ports between switches should be configured in access mode so that vlans can span across the ports
- D、broadcast and multicast frames are retransmitted to ports that are configured on different vlan.
相似问题和答案
第1题：
A.A
B.B
C.C
D.D
第2题：
A. They must be fully meshed
B. They can be in a different AS
C . They do not need to be directly connected
D. They must be directly connected
第3题：
Jim: I have a pair of tickets for an opera Saturday night. Would you like to go? Cindy: I don't think so. ______.
A．I'm not too wild about opera
B．I'm not too interested about opera
C．I'm not very excited about opera
D．I'm not very anxious about opera
解析：be wild about something表示“对……极为热衷”，符合题意；B．I'm not too interested about opera．介词搭配不对；C．I'm not very excited about opera．和D．I'm not very anxious about opera．语义不符。
第4题：
Which three statements are true about terms in a policy?（）
- A、The order of the terms in a policy is irrelevant.
- B、The action is specified in a then statement.
- C、Terms are optional in a policy.
- D、The match condition can be identified with a from statement.
- E、A from statement is mandatory in a term.
正确答案:B,C,D
第5题：
Which statement about a Service Profile is most accurate?（）
- A、associated with a pool of blades
- B、represents a group of physical blades
- C、stores connectivity requirements
正确答案:C
第6题：
A.Logical units are used only when a Layer 2 identifier is present such as a VLAN
B.A logical unit of 0 is required when using a frame-relay DLCI
C.A logical unit is always required
D.Logical units are not required unless ATM or 802.1Q VLAN tagging is configured.
第7题：
A. when a packet is received from an 802.1Q trunk,the vlan id can be determined from the source MAC address table.
B. unkown unicast frames are retransmitted only to the ports that belong to the same vlan
C. ports between switches should be configured in access mode so that vlans can span across the ports
D. broadcast and multicast frames are retransmitted to ports that are configured on different vlan.
第8题：
Jim: I have a pair of tickets to opera Saturday night. Would you like to go?
Cindy: I don’t think so. __________________
A: I’m not too wild about opera.
B: I’ m not too interested about opera.
C: I’m not very excited about opera.
D: I’m not very anxious about opera.
第9题：
A switch has been configured with two vlans and is connected to a router with a trunk for inter-vlan routing.OSPF has been configured on the router，as the routing protocol for the network.Which statement about thisnetwork is true？（）
- A、For the two vlans to communicate，a network statement for the trunk interface needs to be added to the OSPF configuration.
- B、For the two vlans to communicate， a network statement for each subinterface needs to be added to the OSPF configuration.
- C、Direct inter-vlan communication does not require OSPF
- D、OSPF cannot be used if router-on-a-stick is configured on the router
正确答案:C
第10题：
Which statement is true about IBGP routers? （）
- A、They must be fully meshed
- B、They can be in a different AS
- C、They must be directly connected
正确答案:C