Philips Placement Paper -: Aptitude & Computer Knowledge Questions With Answers

Philips Previous Years Solved Sample Placement Papers

1. The primary goal of the......................protocol is to provide a private channel between communicating applications, which ensures privacy of data, authentication of the partners, and integrity.

   • A) SSL
   • B) ESP
   • C) TSL
   • D) PSL

   Answer: A) SSL

2. The................is used to provide integrity check, authentication, and encryption to IP datagram.

   • A) SSL
   • B) ESP
   • C) TSL
   • D) PSL

   Answer: B) ESP

3. In........................mode, a common technique in packet-switched networks consists of wrapping a packet in a new one.

   • A) Tunneling
   • B) Encapsulation
   • C) Both A and B
   • D) None of the above

   Answer: C) Both A and B

4. The.............................is a collection of protocols designed by Internet Engineering Task Force (IETF) to provide security for a packet at the network level.

   • A) IPsec
   • B) Netsec
   • C) Packetsec
   • D) Protocolsec

   Answer: A) IPsec

5. At the lower layer of SSL, a protocol for transferring data using a variety of predefined cipher and authentication combinations is called the ……………….

   • A) SSL handshake protocol
   • B) SSL authentication protocol
   • C) SSL record protocol
   • D) SSL cipher protocol

   Answer: C) SSL record protocol

6. While initiating an SSL session, the client code recognizes the SSL request and establishes a connection through TCP Part.................to the SSL code on the server.

   • A) 420
   • B) 1032
   • C) 443
   • D) 322

   Answer: C) 443

7. If the time quantum is too large, Round Robin scheduling degenerates to:
   

   (A) Shortest Job First Scheduling

   (B) Multilevel Queue Scheduling

   (C) FCFS

   (D) None of the above

   Ans: (C)
8. Transponders are used for which of the following purposes?
   

   (A) Uplinking

   (B) Downlinking

   (C) Both (A) and (B)

   (D) None of the above

   Ans: (C)
9. The format specifier “-%d” is used for which purpose in C?
   

   (A) Left justifying a string

   (B) Right justifying a string

   (C) Removing a string from the console

   (D) Used for the scope specification of a char[] variable

   Ans: (A)
10. A sorting algorithm that can prove to be the best time algorithm in one case and the worst time algorithm in another is:
    

    (A) Quick Sort

    (B) Heap Sort

    (C) Merge Sort

    (D) Insert Sort

    Ans: (A)

11. If w is a complex cube root of unity and x = w² - w - 2, then what is the value of x² + 4x + 7?

    A) -2

    B) -1

    C) 0 (Ans)

    D) 1

12. If cos x ≠ -1, then what is sin x / (1 + cos x) equal to?

    A) cot x/2

    B) cot x/2

    C) tan x/2 (Ans)

    D) -tan x/2

13. The angle of elevation of the tip of a flag post from a point 5 m away from its base is 75°. What is the approximate height of the flag post?

    A) 15 m

    B) 17 m

    C) 19 m (Ans)

    D) 21 m