單項選擇題

Why would a rogue host that is running a DHCP server on a campus LAN network present a security risk？（）

A.It may allocate IP addresses from an unknown subnet to the users.
B.All multicast traffic can be sniffed by using the DHCP multicast capabilities.
C.The CPU utilization of the first hop router can be overloaded by exploiting DHCP relay open ports.
D.A potential man-in-the-middle attack can be used against the clients.

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單項選擇題

The classic Spanning Tree Protocol （802.1D 1998） uses which sequence of variables to determine the best received BPDU？（）

A. 1） lowest root bridge id，2）lowest sender bridge id，3）lowest port id，4）lowest root path cost
B. 1） lowest root path cost，2）lowest root bridge id，3）lowest sender bridge id，4）lowest sender port id
C. 1） lowest root bridge id，2）lowest sender bridge id，3）lowest root path cost 4）owest sender port id
D. 1） lowest root bridge id，2）lowest root path cost，3）lowest sender bridge id，4）lowest sender port id

單項選擇題

Which of these best describes the actions taken when a VTP message is received on a switch configured with the VTP mode "transparent"？（）

A. VTP updates are ignored and forwarded out all ports.
B. VTP updates are ignored and forwarded out trunks only.
C. VTP updates are made to the VLAN database and are forwarded out trunks only.
D. VTP updates are ignored and are not forwarded.

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Why would a rogue host that is running a DHCP server on a campus LAN network present a security risk？（）

你可能感興趣的試題

The classic Spanning Tree Protocol （802.1D 1998） uses which sequence of variables to determine the best received BPDU？（）

Which of these best describes the actions taken when a VTP message is received on a switch configured with the VTP mode "transparent"？ （）

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Why would a rogue host that is running a DHCP server on a campus LAN network present a security risk？（）

The classic Spanning Tree Protocol （802.1D 1998） uses which sequence of variables to determine the best received BPDU？（）

Which of these best describes the actions taken when a VTP message is received on a switch configured with the VTP mode "transparent"？（）