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Why is it sometimes necessary to have more than one known plaintext-ciphertext pair when doing a MITM attack on something like double-DES. 

  Write out the pledge and sign your name: I affirm that I will not give or receive any unauthorized help on this exam, and that all work will be my own. I accept responsibility for my role in ensuring the integrity of the work submitted.

The three basic categories of manufacturing costs are direct materials, direct labor, and manufacturing overhead.

Directions:  Answer the following question in 3-5 paragraphs in essay format.  Make sure that you edit your work.  There is no time limit. No class notes can be used. Don’t submit the essay until you are ready for it to be graded.  Bonus points are possible on any essay question on any exam.   What tensions created the Cold War and could it have been avoided? To make your case, use specific examples from lectures and documentaries to discuss the people and the events that shaped the Cold War struggle.  

Choose the correct account name from the drop-down box to complete the journal entries for the transactions of Custom Furniture Company. Transaction Account debited Account credited Paid cash to purchase raw materials that will be used in production not required [credit1] Recorded direct labor costs applicable to Job #123 [debit2] [credit2] Recorded direct materials used on Job #123 [debit3] [credit3] Applied overhead to Job #123 using a predetermined overhead application rate [debit4] [credit4] Completed Job #123 and transferred costs [debit5] [credit5]

A process cost system would be most appropriate in the manufacture of

Reactance: The 90-Hz ac source of the series circuit shown in the figure has a voltage amplitude of 120 V. The capacitive reactance is 750 Ω, the inductive reactance is 270 Ω, and the resistance is 400 Ω.(a) What is the capacitance of the capacitor? (5 points)(b) What is the inductance of the inductor? (5 points)

Cologne Co. uses a job order cost system. The following entries appeared in Cologne’s work-in-process control account for the month of May:                     Work In Process Inventory (Control) Transactions Debits Credits 5/1  Balance              2,400 5/30 Direct Materials 12,000 5/30 Direct Labor 8,000 5/30 Mfg. Overhead 4,000 5/30 To Finished Goods 23,000      Ending Balance 3,400 Cologne applies manufacturing overhead to production as a percentage of the jobs’ direct labor cost. Job #4711, the only job still in process on April 30th, has been charged with direct labor of $1,000. What was the amount of direct materials charged to Job #4711?

Self-inductance: What is the self-inductance of a solenoid 30.0 cm long having 100 turns of wire and a cross-sectional area of 1.00 × 10-4 m2? (µ0 = 4π × 10-7 T · m/A)

Circular motion of charges: A proton is first accelerated from rest through a potential difference V and then enters a uniform 0.550-T magnetic field oriented perpendicular to its path. In this field, the proton follows a circular arc having a radius of curvature of 2.57 cm. What was the potential difference V? (mproton = 1.67 × 10-27 kg, e = 1.60 × 10-19 C)