单项选择题X 纠错

How many addresses for hosts will the network 124.12.4.0/22 provide?（）

A. 510
B. 1022
C. 1024
D. 2048

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The ip subnet zero command is not configured on a router. What would be the IP address of Ethernet0/0 using the first available address from the sixth subnet of the network 192.168.8.0/29?（）

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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
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D. 1, 2, 5.5, 11

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Which port state is introduced by Rapid-PVST?（）

A. learning
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What is the name of the VTP mode of operation that enables a switch to forward only VTP advertisements while still permitting the editing of local VLAN information?（）

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Which command will show the MAC addresses of stations connected to switch ports?（）

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

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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
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Users have been complaining that their Frame Relay connection to the corporate site is very slow. The network administrator suspects that the link is overloaded. Based on the partial output of the Router# show frame relay pvc command shown in the graphic, which output value indicates to the local router that traffic sent to the corporate site is experiencing congestion?（）

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