Q. The GSM network is divided into the following three major systems :

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Q. The Mobile Application Protocol (MAP) typically runs on top of which protocol ?

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Q. If a packet arrive with an M-bit value is  '1' and a fragmentation offset value '0', then it is ______ fragment.

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Q. The design issue of Datalink Layer in OSI Reference Model is

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Q. Coaxial cables are categorized by Radio Government rating are adapted for specialized functions. Category RG-59 with impedance 75Ω used for

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Q. AES is a round cipher based on the Rijndal Algorithm that uses a 128-bit block of data. AES has three different configurations. ______ rounds with a key size of 128 bits, ______ rounds with a key size of 192 bits and ______ rounds with a key size of 256 bits.

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Q. Data Encryption Techniques are particularly used for _______.

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Q. An example of a layer that is absent in broadcast networks is:

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Q. The ATM cell is

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Q. The technique of temporarily delaying outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is known as

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Q. Using RSA algorithm, what is the value of cipher text C, if the plain text
M = 5 and p = 3, q = 11 & d = 7 ?

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Q. Match the following : 

List – I                                         List – II 
a. Application layer                  1. TCP 
b. Transport layer                    2. HDLC 
c. Network layer                       3. HTTP 
d. Data link layer                     4. BGP 

Codes : a b c d 

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Q. In classful addressing, an IP address 123.23.156.4 belongs to ______ class format.

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Q. Match the following with respect to the Mobile Computing Architecture.

a. Downlink control                                      1. 100 Mbps
b. Radio communication data rate              2. Residency latency (RL)
c. The average duration
of user’s stay in cell                                     3. Sending data from a BS to MD
d. FDDI bandwidth                                       4. 2-Mbps

Codes : a b c d

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Q. When data and acknowledgement are sent in the same frame, this is called as

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Q. Encryption and Decryption is the responsibility of ___ Layer.

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Q. An analog signal carries 4 bits in each signal unit. If 1000 signal units are sent per second, then baud rate and bit rate of the signal are ________  and ____________

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Q. The VLF and LF bauds use propagation for communication

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Q. Using the RSA public key crypto system, if p = 13, q = 31 and d = 7, then the value of e is

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Q. Which of the following is widely used inside the telephone system for long-haul data traffic?

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