1.A routing protocol is required that supports:
1) routing update authentication
2) an addressing scheme that conserves IP addresses
3) multiple vendors
4) a network with over 50 routers
Which routing protocol fulfills these requirements?
A. RIPv1
B. RIPv2
C. EIGRP
D. OSPF
Answer: D
解释一下:首先RIPv1是不支持认证的,因此答案A我们可以排除。
是支持多厂商的,因此是一个开放的标准的协议,可以排除EIGPR,因为这是个CISCO私有的协议。
网络的大小可以超过50台路由器,那RIPv2就不满足了,因为RIP最大支持16跳。
那么答案就是OSPF了。
2.When a new trunk is configured on a 2950 switch, which VLANs by default are allowed over the trunk link?
A. no VLANs
B. all VLANs
C. only VLANs 1 - 64
D. only the VLANs that are specified when creating the trunk
Answer: B
解释一下:Trunk上默认是可以转发所有VLAN的数据的。
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