單項選擇題

根據(jù)下圖，Switch1剛剛完成重啟，并完成上電自檢。HostA發(fā)送它的第一個偵到HostC，交換機首先會對switching table做什么操作（）

A.Switch1會添加192.168.23.4到switchingtable
B.Switch1添加192.168.23.12到switchingtable
C.Switch1添加000A 8A47.E612到switchingtable
D.Switch1添加000B DB95.2EE9到switchingtable


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題哪種擴頻技術(shù)是802.11B定義使用的？（）

A.IR
B.DSSS
C.FHSS
D.DSSS and FHSS
E.IR，F(xiàn)HSS，and DSSS

2.單項選擇題What is the effect of the following access list condition access-list 101 permit ip 10.25.30.0 0.0.0.255 any（）。

A.permit all packets matching the first three octets of the source address to all destinations
B.permit all packets matching the last octet of the destination address and accept all source addresses
C.permit all packets from the third subnet of the network address to all destinations
D.permit all packets matching the host bits in the source address to all destinations
E.permit all packets to destinations matching the first three octets in the destination address

3.單項選擇題Which IPV6 routing protocol uses multicast group FF02::9 to send updates?（）

A.RIPng
B.OSPFv3
C.static
D.IS-ISfor IPv6

4.單項選擇題

根據(jù)下圖，R1能通告給R2的最有效的匯總是？（）

A.172.1.0.0/22
B.172.1.0.0/21
C.172.1.4.0/22
D.172.1.4.0/24  172.1.5.0/24  172.1.6.0/24  172.1.7.0/24
E.172.1.4.0/25  172.1.4.128/25  172.1.5.0/24  172.1.6.0/24  172.1.7.0/24

5.多項選擇題What are three IPv6 transition mechanisms?（）

A.6to4 tunneling
B.VPN tunneling
C.GRE tunneling
D.ISATAP tunneling
E.PPP tunneling
F.Teredo tunneling