⟩ What does DNS stand for and what is it used for?
Domain Name Service (or System or Server) and it translates domain names into IP addresses.
Domain Name Service (or System or Server) and it translates domain names into IP addresses.
What action is taken when the processor under execution is interrupted by a non-maskable interrupt? a) Processor serves the interrupt request after completing the execution of the current instruction. b) Processor serves the interrupt request after completing the current task. c) Processor serves the interrupt request immediately. d) Processor serving the interrupt request depends upon the priority of the current task under execution.
Purpose of PC(Program Counter) in a Microprocessor is? a) To store address of TOS(Top Of Stack) b) To store address of next instruction to be executed. c) count the number of instructions. d) to store base address of the stack.
How many T1 facilities the company needs between its office and the PSTN if it has 47 digital telephones, each operating at 64kbps 3 low-speed video machines, each operating at 384kbps 1 interactive video system, requiring 1.536 mbps.
What is the need of CPG message in ISUP protocol?
Line of sight is? a) Straight Line b) Parabolic c) Tx & Rx should be visible to each other d) none of the above
Time taken for 1 satellite hop in voice communication is? a) 1/2 second b) 1 seconds c) 4 seconds d) 2 seconds
Memory allocation of variables declared in a program is? a) allocated in RAM. b) allocated in ROM. c) allocated on stack. d) assigned to registers.
What is TCSM ?
A 2MB PCM(pulse code modulation) has? a) 32 channels b) 30 voice channels & 1 signaling channel. c) 31 voice channels & 1 signaling channel. d) 32 channels out of which 30 voice channels, 1 signaling channel, & 1 synchronization channel.
To send a data packet using datagram , connection will be established? a) before data transmission. b) connection is not established before data transmission. c) no connection is required. d) none of the above.