What is DiffServ?
What will be an ideal response?
The IETF created Differentiated Services (DiffServ) to define a coarse-grain QoS mechanism.
The DiffServ effort produced a definition of how classes can be specified and how the TYPE OF SERVICE
field in an IPv4 or IPv6 header can be used to specify the class of a datagram.
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Which of the following conversions do not follow the dropping all constants rule?
a. 3^n + 5(n^2) + 8 -> 5(n^2) b. 3mn -> 3mn c. 5n + 44(n^2) + 4 -> 5n + 44(n^2) d. 4 + 5 log n -> 5 log n
Answer the following statements true (T) or false (F)
1.The rmdir command (with no options) can only remove empty directories. 2.The / at the beginning of a pathname stands for the root directory. 3. The name .HIDDEN is an example of a hidden file. 4. (dot) and .. (dot dot) represent the current and a level higher directories respectively. 5. To cancel a print job, you only have to turn the printer off.
It is good practice to delete any action query from a database that will not serve a future purpose after it is used
Indicate whether the statement is true or false
The 802.11 standard specifies the use of what technique in order to minimize the potential for collisions?
a. Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) b. Carrier Sense Multiple Access with Collision Detection (CSMA/CD) c. Carrier Sense Multiple Access with Collision Mitigation (CMSA/CM) d. Carrier Sense Single Access with Collision Adaptation (CSSA/CA)