？？A. By carefully studying the present, skilled bu...

A . Access-list 101 was configured for the trusted interface， and access-list 100 was configured forthe untrusted interface B . Access-list 100 was configured for the trusted interface， and access-list 101 was configured forthe untrusted interface C . Access-list 100 was configured for the inbound direction， and access-list 101 was configured forthe outbound direction on the trusted interface D . Access-list 100 was configured for the inbound direction， and access-list 101 was configured forthe outbound direction on the untrusted interface

A . Disabling HTTPS access to Cisco SDM B . Prohibiting console access to Router C . Preventing any alterations to the router’s running configuration D . Disabling all vulnerable Services on the Router E . Shutting down all the router’s interface

A . The remaining secure MAC addresses will be dynamically learned， converted to sticky secure MAC addresses， and added to the running configuration. B . Since a voice VLAN is configured in this example， port security should be set for a maximum of 2. C . The sticky addresses will only be those manually configured MAC addresses enabled with the sticky keyword. D . A security violation will restrict the number of addresses to a maximum of 10 addresses per access VLAN and voice VLAN. The port will be shut down if more than 10 devices per VLAN attempt to access the port.

A . CDP manipulation B . VLAN hopping C . MAC spoofing D . MAC flood attack E . ARP spoofing F . spanning tree compromise

A . The trust boundary is not on this switch. B . It is displaying the AutoQos configuration that was initially applied. C . Interface Fa0/3 trusts allCoS values. D . The switch does not trust theCoS values of a Cisco IP phone attached to port Fa0/3. E . The show auto qos command shows the user-defined QoS settings. F . The show auto qos command does not display user configuration changes currently in effect.

A . VLAN 30 is not operational due to the fact that there are no packet or byte counts indicated.  B . The IP Cisco Express Forwarding configuration is capable of supporting IPv6. C . Cisco Express Forwarding load balancing has been disabled. D . SVI VLAN 30 connects directly to the 10.1.30.0/24 network due to a valid glean adjacency.

A . Router Certkiller 2,Gig 0/1 B . Switch Certkiller B,Fast Port 1 to 24 C . Switch Certkiller A,Gig Port 9 D . Router Certkiller 2,Gig 0/0

A．complete indifference. B．qualified acceptance. C．skeptical amusement. D．perplexed astonishment.

A．in due course B．in the long run C．in the main D．in the first place

A．Y B．N C．NG

The most important part of dog-care is cleanliness. Not only does the dog have to be kept clean, but his environment should also be clean. The bed he sleeps in can be made with anything like a rug or a dog mattress. Proper feeding is also important for your dog's health. A dog should be fed in the same place and on a regular schedule. If your dog refuses to eat, don't force him. Remove his food and don't feed him again until his next regular feeding. Food should never be left before a dog for more than 30 minutes. One important thing that many dog owners forget is exercise for the dog. Vigorous exercise helps build strength and keeps the dog healthy. A regular walk at a fixed time of the day is enough to help a smaller dog live a healthier end happier life. Large dogs, though, require a run in an open fid& There are other things that are also important for a dog's health — things like bathing, care of the teeth and nails, keeping them away from insects as much as possible. But if you observe the three main points covered above, your dog will give you a great amount of pleasure. (23) A．Until he eats it. B．All day. C．At lease 30 minutes. D．No more than 30 minutes.

A．Right. B．Wrong. C．Doesn't say.

A．will be lowered in the long run. B．will be significantly increased. C．will be more than $200 million. D．will reach $3.2 billion.

A．They bury measuring device 3 kilometers under the volcano floor. B．They observe carefully the change of the mountain's position. C．They also observe activities of the earth when it changes. D．Devices are placed within 20 kilometers of Mount St．Helens.

12. A. In three years B. For three years C. After three years D. Three years 13. A. never would be B. would be never C. would not be ever D. would never be 14. A. I didn't either B. Nor I did C. So didn't I D. Also didn't I 15. A. Not al1 B. Neither C. Nor D. Both 16. A. since B. while C. before D. whereas 17. A. understand B. recognize C. suggest D. inform 18. A. speaking B. to say C. to speak D. saying 19. A. a lot B. much C. a bit D. more 20. A. as B. being C. to be D. but

此题为判断题(对，错)。