The code segments B and D will compile without any error. A is not a valid way to construct a StringBuffer, you need to create a StringBuffer object using "new". B is a valid construction of a Boolean (any string other than "true" or "false" to the Boolean constructor will result in a Boolean with a value of "false"). C will fail to compile because the valid range for a byte is -128 to +127 (i.e., 8 bits, signed). D is correct, 0x1234 is the hexadecimal representation in java. E fails to compile because the compiler interprets 1.2 as a double being assigned to a float (down-casting), which is not valid. You either need an explicit cast, as in "(float)1.2" or "1.2f", to indicate a float.
The IEEE 802.11b standard provides three non-overlapping channels.
A transmission to the MAC address ff : ff : ff : ff : ff : ff is a broadcast transmission to all stations.
After the expiration of the backoff algorithm , all hosts have equal priority.
To use VLSM, the routing protocols in use possess the capability to transmit subnet mask information.
The typical banner is a message of the day (MOTD) and is set by using the global configuration mode command banner motd.
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