Explain the meaning of the magic cookie in the DHCP protocol.
What will be an ideal response?
The last field of a DHCP packet, a 64 octet area reserved for vendor information A generalized use of this area for giving information useful to a wide class of machines, operating systems, and configurations the first four bytes of this field have been assigned to the magic cookie, which identifies the mode in which the succeeding data is to be interpreted. The value of the magic cookie is the 4 octet dotted decimal 99.130.83.99 (or hexadecimal number 63.82.53.63) in network byte order. This lets a server determine what kind of information it is seeing in this field. A different magic number could be used for bootreply's than bootrequest's to allow the client to take special action with the reply information.
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Which superclass members are inherited by all subclasses of that superclass?
a. private instance variables and methods. b. protected instance variables and methods. c. private constructors. d. protected constructors.
Which of the following Linux organizations is not-for-profit?
a) Debian b) Mandrake c) Red Hat d) SuSE
What is Multiple backgrounds?
What will be an ideal response?
Two of the most typical power supply output voltages are +5 and +10 volts
Indicate whether the statement is true or false