思科认证考试
问答题switchort port-security violation选择shutdown表示什么意思?
问答题what is mean of ospf auto-cost reference-bandwidth?
问答题问有哪些路由协议在路由条目发生变化时只做部分更新,并且使用比较低的链路带宽?
多选题Which two of these elements need to be configured prior to enabling SSH?()
问答题R1(AS1)------R2(AS2)-----R3(AS2)----R4(AS2) ,R1在AS1,R2,R3,R4在AS2,R1和R2建EBGP , R2和R3 IBGP,R3和R4 IBGP,产生BGP路由从R1传给R2,问这条路有会不会在R4上出现,如果不会,怎么解决.
问答题what’s the role of community attribute in the bgp route?
问答题what is the NAT overloading?
问答题what is the advantage of policing?
问答题BGP neighbors building process?
单选题Refer to exhibits 1 and 2. A company uses a Metro Ethernet (Gigabit Ethernet) dedicated circuit to communicate between users (subnet B) and servers (subnet A) as shown in Exhibit 1. Both routers use OSPF to advertise the subnets. During a weekly management meeting, they realize that the WAN link is oversize. They have been using only 2 Mb/s in the worst-case scenario. So they propose a new, cheaper WAN connection using a 2-Mb/s Frame-Relay point-to-point link to interconnect both sites (Exhibit 2). The Frame Relay service provider informs them that multicast traffic is not allowed to run over the service provider network. Which one of these options is best to enable the company to establish the OSPF neighbor adjacency?()
单选题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?()
问答题先描述的就是源树。然后说源和receiver通讯,问process叫什么?
单选题You are deploying two core switches,one in each building,50 km away from each other. The cross-connection between them will be a Layer 2 2-gigabit EtherChannel with an 802.1Q trunk. You configured it correctly but the link does not come up. The port is in the "admin up" state,and the line protocol is in the "down" state. The fiber link is OK. What would be the most likely reason for the link not to come up?()
问答题What is the purpose of an administrative distance?
问答题what type of route can be advertised to OSPF totally stubby area?
问答题hsrp speak状态是什么意思?
多选题Which two of these are differences between traffic policing and traffic shaping?()
单选题Refer to the exhibit. Based on this configuration, what type of marker is achieved?()
问答题clear ip bgp * soft会让路由器引发什么?
问答题how to disable OPSF split-horizon?
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