單項(xiàng)選擇題What speeds must be disabled in a mixed 802.11b/g WLAN to allow only 802.11g clients to connect?()

A. 6, 9, 12, 18
B. 1, 2, 5.5, 6
C. 5.5, 6, 9, 11
D. 1, 2, 5.5, 11


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1.單項(xiàng)選擇題Which port state is introduced by Rapid-PVST?()

A. learning
B. listening
C. discarding
D. forwarding

3.單項(xiàng)選擇題Which command will show the MAC addresses of stations connected to switch ports?()

A. show mac-address
B. show arp
C. show table
D. show switchport

4.單項(xiàng)選擇題QoS policies are applied on the switches of a LAN. Which type of command will show the effects of the policy in real time?()

A. show command
B. debug command
C. configuration command
D. rommon command

5.單項(xiàng)選擇題How many subnets can be gained by subnetting 172.17.32.0/23 into a /27 mask, and how many usable host addresses will there be per subnet?()

A. 8 subnets, 31 hosts
B. 8 subnets, 32 hosts
C. 16 subnets, 30 hosts
D. 16 subnets, 32 hosts
E. A Class B address can't be subnetted into the fourth octet.

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Which name describes an IPV6 host-enable tunneling technique that uses IPV4 UDP,does not require dedicated gateway tunnels,and can pass through existing IPV4 NAT gateways?()

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Which command is used to display the collection of OSPF link states?()

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What is the default administrative distance of OSPF?()

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Which device might be installed at a branch office to enable and manage an IPsec site-to-site VPN?()

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Which cisco ios command can help to determine the timing of various debug events,relative to each other,when you are debugging a complicated router issue?()

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