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Some small cubes of same height 7 cm but variable length and width are put inside a large cuboid of height 21 cm. Length and width of cuboid is 32 cm and 24 cm, respectively. Small cubes are put such that cubes at the bottom most layer is of similar base area; second layer contains all the cubes of similar base area and third layer have all the cubes of similar base area. Which of the following statement(s) given below is / are TRUE? A: If side of each small cubes at bottom most layer is 8 cm, then maximum number of small cubes that can be put at bottom most layer is 12. B: If maximum of 48 cubes can be put at second layer, then side of each cube at second layer is 6 cm. C: If side of each small cubes at third layer is 1.6 cm, then maximum number of small cubes that can be put at third layer is 300.
An IP machine Q has a path to another IP machine H via three IP routers R1, R2, and R3. Q—R1—R2—R3—H H acts as an HTTP server, and Q connects to H via HTTP and downloads a file. Session layer Encryption is used, with DES as the shared key encryption protocol. Consider the following four Pieces of information: [I1] The URL of the file downloaded by Q [I2] The TCP port numbers at Q and H [I3] The IP addresses of Q and H [I4] The link layer addresses of Q and H Which of I1, I2, I3, and I4 can an intruder learn through sniffing at R2 alone?
What is the recommended modes of operation for encryption and decryption in the Secure Shell Transport Layer?
Consider the following statements regarding the OSI model: 1. Application layer provides the control structure for communication between applications; establishes, manages and terminates connections between cooperating applications. 2. Data link layer provides for the reliable transfer of information across the physical link. 3. Transport layer provides end-to-end error recovery and flow control of data. Which of the above statements are correct?
Which layer will come in between the transport layer and the data link layer in the OSI model? 
Which of the following layers of the OSI model does not provide any service to any other OSI layer?
In OSI model, which layer is responsible for translation, compression and encryption?
6.Encryption and Compression are functions of which OSI layer?
In a system an RSA algorithm with p = 5 and q = 11, is implemented for data security. What is the value of the decryption key if the value of the encryption key is 27 ?
How many keys are required for encryption and decryption of data when we use asymmetric cipher?