Quality of service (QoS) is a technology that allows a network design to strategically optimize network performance for select traffic types. This means, using QoS on a network device can identify which traffic types need to be sent first, how much bandwidth to allocate to various traffic types, which traffic types should be dropped first in the event of congestion, and how to make the most
efficient use of the relatively limited bandwidth of an IP WAN.
Indicate whether the statement is true or false
TRUE
Explanation: Quality of service (QoS) is a suite of technologies that enable you to strategically optimize network performance for select traffic types. For example, in today's converged networks (that is, networks simultaneously transporting voice, video, and data), some applications (for example, voice) might be more intolerant of delay (that is, latency) than other applications (for example, an FTP file transfer is less latency sensitive than a Voice over IP [VoIP] call). Fortunately, through the use of QoS technologies, you can identify which traffic types need to be sent first, how much bandwidth to allocate to various traffic types, which traffic types should be dropped first in the event of congestion, and how to make the most efficient use of the relatively limited bandwidth of an IP WAN.
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Suppose the dictionary is randomly ordered. Asymptotically (that is, in terms of a likely Big-Oh running time), which of the following alterna tives is the fastest if we assume that no words are longer than ten char acters?
a. Sort the dictionary, and then use the algorithm in the text b. Sort the dictionary, but then use interpolation search c. Place the dictionary items in a binary search tree based map; the prefix test must be performed explicitly d. Place the dictionary items in a hash table based map; the prefix test must be performed explicitly e. Use a sequential search of the dictionary
A _________ block executes regardless of whether an exception occurs.
a. final b. finally c. catch d. none of the above