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多項(xiàng)選擇題拒絕服務(wù)攻擊的主要原因（）

A.中間人泄露信息
B.主機(jī)或應(yīng)用程序處理非預(yù)期狀況失敗
C.緩沖區(qū)溢出
D.網(wǎng)絡(luò)、主機(jī)或應(yīng)用程序不能處理量非常大的數(shù)據(jù)

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你可能感興趣的試題

1.單項(xiàng)選擇題Host 1 sends an ICMP echo request to remote sever1. Layer2 header of the frame containing the ping packet（）。

A.The IP address of sever 1.
B.The MAC address of NIC in sever 1.
C.The IP address of F0/0 interface of router R1.
D.The MAC address of the Fa0/0 interface of router R1.
E.The IP address of the s0/0/0 interface of router R2
F.The MAC address of the s0/0/0 interface of router R2

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2.多項(xiàng)選擇題What are three advantages of VLANs？（）

A.VLANs establish broadcast domains in switched networks.
B.VLANs utilize packet filtering to enhance network security.
C.VLANs provide a method of conserving IP addresses in large networks.
D.VLANs provide a low-latency internetworking alternative to routed networks.
E.VLANs allow access to network services based on department,not physical location.
F.VLANs can greatly simplify adding,moving,or changing hosts on the network.

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3.單項(xiàng)選擇題Which layer of the OSI reference model uses the hardware address of a device to ensure message delivery to the proper host on a LAN?（）

A.physical
B.datalink
C.network
D.transport

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4.多項(xiàng)選擇題常見的網(wǎng)絡(luò)攻擊方法有（）

A.病毒攻擊
B.偵查攻擊
C.接入攻擊
D.拒絕服務(wù)攻擊

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5.單項(xiàng)選擇題assuming the default switch configuration which vlan range can be added modified and removed on a ciscoswitch？（）

A.2 through 1001
B.1 through 1001
C.1 through 1002
D.2 through 1005

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