單項選擇題What OSPF command, when configured, will include all interfaces into area 0?()

A.network 0.0.0.0 255.255.255.255 area 0
B.network 0.0.0.0 0.0.0.0 area 0
C.network 255.255.255.255 0.0.0.0 area 0
D.network all-interfaces area 0


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2.單項選擇題A network administrator creates a layer 3 EtherChannel, bundling four interfaces into channel group 1. On what interface is the IP address configured?()

A.the port-channel 1 interface
B.the highest number member interface
C.all member interfaces
D.the lowest number member interface

3.單項選擇題What parameter can be different on ports within an EtherChannel?()

A.speed
B.DTP negotiation settings
C.trunk encapsulation
D.duplex

4.單項選擇題What authentication type is used by SNMPv2?()

A.HMAC-MD5
B.HMAC-SHA
C.CBC-DES
D.community strings

5.多項選擇題What are two enhancements that OSPFv3 supports over OSPFv2? ()

A.It requires the use of ARP.
B.It can support multiple IPv6 subnets on a single link.
C.It supports up to 2 instances of OSPFv3 over a common link.
D.It routes over links rather than over networks.