Which of the following is true about a screening router?
A. it examines the data in the packet to make filtering decisions
B. it can stop attacks from spoofed addresses
C. it maintains a state table to determine connection information
D. it should be combined with a firewall for better security
Answer: D
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Answer the following statements true (T) or false (F)
1. Nonvolatile means that power must be continuously supplied to the memory to preserve the bit values. 2. The advantage of RAM is that the data or program is permanently in main memory and need never be loaded from a secondary storage device. 3. Semiconductor memory comes in packaged chips. 4. All DRAMs require a refresh operation. 5. A number of chips can be grouped together to form a memory bank.
How does a DHCP server respond to an IP request that can not be renewed?
A. The server sends a DHCPACK B. The server sends a DHCPNACK C. The server does not respond D. The server forwards the request