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全国计算机应用水平考试(NIT)
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信息素养
You have been asked to come up with a subnet mask that will allow all three web servers to be on the same network while providing the max number of subnets.Which network address and subnet mask meet this requirement?
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Refer to the exhibit. According to the routing table, where will the router send a packet destined for 10.1.5.65?
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Refer to the exhibit. What kind of cable should be used to make each connection that is identified by the numbers shown?
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The command frame-relay map ip 10.121.16.8 102 broadcast was entered on the router.Which of the following statement is true concering this command?
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At which layer of the OSI model is RSTP used to prevent loops?
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Refer to the exhibit. Switch-1 needs to send data to a host with a MAC address of 00b0.d056.efa4. What will Switch-1 do with this data?
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What OSPF command, when configured, will include all interfaces into area 0?
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In an Ethernet network, under what two scenarios can devices transmit?
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Refer to the exhibit. The Branch router displays knowledge of a route to network 172.16.0.0/16. The actual network number at headquarters is 172.16.1.0/24. Why does the network number appear as it does in the routing table?
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Refer to the exhibit. Which two statements are true about interVLAN routing in the topology that is shown in the exhibit?
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Refer to the exhibit. Two buildings on the San Jose campus of a small company must be connected to use Ethernet with a bandwidth of at least 100 Mbps. The company is concerned about possible problems from voltage potential differences between the two buildings. Which media type should be used for the connection?
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Which two practices help secure the configuration utilities on wireless access points from unauthorized access?
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Which IPv6 address is valid?
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A network administrator is configuring the routers in the graphic for OSPF. The OSPF process has been started and the networks have been configured for Area 0 as shown in the diagram. The network administrator has several options for configuring RouterB to ensure that it will be preferred as the designated router (DR) for the 172.16.1.0 /24 LAN segment. What configuration tasks could be used to establish this preference?
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Refer to the exhibit. A problem with network connectivity has been observed. It is suspected that the cable connected to switch port Fa0/9 on Switch1 is disconnected. What would be an effect of this cable being disconnected?
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Refer to the exhibit A frame on vlan 1on switch s1 is sent to switch s2 when the frame is received on vlan 2,what causes this behavior?
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What are two reasons that a network administrator would use access lists?
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Which two commands correctly verify whether port security has been configured on port FastEthernet 0/12 on a switch?
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A cisco router is booting and has just completed the POST process.It is now ready to find and load an IOSimage.what function does the router perform next?
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You and a co-worker have established wireless communication directly between your wireless laptops. What type of wireless topology has been created?
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