單項(xiàng)選擇題哪種擴(kuò)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


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1.單項(xiàng)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

2.單項(xiàng)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

3.單項(xiàng)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

4.多項(xiàng)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

5.單項(xiàng)選擇題Given the output of the Floor3 switch, what statement describes the operation of this switch()。

A.VTP is disabled on this switch.
B.The switch can create, change, and delete VLANs.
C.The switch learns VLAN information but does not save it to NVRAM.
D.The switch can create VLANs locally but will not forward this information to other switches.
E.The switch learns VLAN information and updates the local VLAN data base in NVRAM.

最新試題

在配置路由器時(shí),網(wǎng)絡(luò)技術(shù)人員想要命名路由器。輸入hostname 命令后,技術(shù)人員會(huì)看到下列哪一項(xiàng)提示?()

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