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a typical layer 2 switch has a number of features identify and explain 5 features that you think are important that you would consider in your
megacorp inc is a large manufacturing firm that operates 5 factories in dallas 4 factories in los angeles and 5 factories in albany new york
modern networks are not implemented as a single piece of software that would render the task of dealing with multiple technologies and manufacturers
when we download a movie from the internet we dont care about say packet sizes however even ifwe are not aware of howlow-level details of networks
identify and briefly explain any four key requirements that need to be examined when considering deploying a wlan
networks and operating systems have a lot of overlap in this course howeverwe are not going to discuss networking in detail but rather focus on the
the producer-consumermodel above has a standard human analogy of an assembly line humans have specialized skills however whereas threads running the
the general idea of a producer-consumer architecture is related to building a pipeline of threads similar to the web spider from project 2 each step
another solution then would be to keep a pool of threads whenever a new task arrives the system would simply get a thread from pool and set that
suppose we want to program a web server we could easily do so without using concurrency as followswhiletruewait connectionread from socket and parse
garbage collectors trade space for time if we collect all the time which requires a lot of processing time the gc allocator will use the least memory
conservative gc can be used for languages such as c and c which were not explicitly designed for garbage collection this is a non-copying technique a
assume the following 64-bit des key expressed in hexadecimal fefe fefe fefe fefea what is the term for such a keyb state the value of each of the
alice sends a message to bob encrypted with a symmetric key bob decrypts the message and finds it is a purchase order for an expensive workstation
semispace works by maintaining two disjoint areas from which memory can be allocated these areas are called the from-space and the to-space at rst
recalling two fec schemes for internet phone described suppose the first scheme generates a redundant chunk for every four original chunks suppose
the idea of reference counting is to maintain for every object the total number of references to that object ie the number of incoming pointers
the objects that a program can access directly are those objects which are referenced by local vari-ables on the processor stack or by any
consider an rtp session consisting of five users all of which are sending and receiving rtp packets into the same multicast address each user sends
consider the procedure described for estimating average delay di suppose that u01 let r1-t1 be the most recent sample delay let r2
the dynamic memory allocator is a layer between the application and the os managing heap objects when a program requests memory from the allocator
allocators can also be used to avoid problems with unsafe languages c and c are pervasive with huge amounts of existing code they are also
in the voip system let h be the total number of header bytes added to each chunk including udp and ip headera assuming an ip datagram is emitted
1suppose you are given a dataset that consists of a random sample of tasters on which the following variables were obtainedy zpref taste preference
1 a readmetxt file witha instructions on how to compile and run your client and server code on the command line also provide shell scripts if the