A.none，since it is implicit
B.to enable Cisco IOS IPS to work properly；however，it is the deny all traffic entry that is actually required
C.to enable Cisco IOS Firewall to work properly；however，it is the deny all traffic entry that is actually required
D.to allow the log option to be used to log any matches
E.to prevent sync flood attacks
F.to prevent half-opened TCP connections
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一堆交換機(jī)一個(gè)server、一個(gè)transpare，問(wèn)配置prune在哪里配置？
如何實(shí)現(xiàn)擁塞避免？
Refer to the exhibit.What is the meaning of the term dynamic as displayed in the output of the show frame-relay map command shown？（）
DHCP SERVER在給一個(gè)網(wǎng)段設(shè)置POOL時(shí)，該網(wǎng)段路由器接口地址能不能放入POOL，能why，不能why。
How should arouter that is being used in a Frame Relay network be configured to avoid split horizon issues from preventing routing updates?（）
Local Preference？
當(dāng)將多個(gè)交換機(jī)加入到MST region當(dāng)中會(huì)發(fā)生什么（what happen）？
What is the next state of initial in spanning-tree protocol？
Refer to the exhibit.The network administrator is in acampus building distant from Building B.WANRouter is hosting a newly installed WAN link on interface S0/0.The new link is not functioning and the administrator needs to determine if the correct cable has been attached to the S0/0 interface.How can the administrator accurately verify the correct cable type on S0/0 in the most efficient manner?（）
什么是NAT？