Description : SDH hasdefined ahierarchy of signals called ________. A) STSs B) STMs C) either (a) or (b) D) neither (a) nor (b)
Last Answer : STSs
Description : Each ________in a SONET framecancarry a digitized voice channel. A) bit B) byte C) frame D) none of the above
Last Answer : byte
Description : In SONET, for each byte, the bitsare transmitted ____________. A) from least significant to the most significant B) from most significant tothe least significant C) two at atime D) three at atime
Last Answer : from least significant to the most significant
Description : In SONET, for each frame, the bytes are transmitted __________. A) from left to the right, top to bottom B) from right to theleft, bottom to top C) from left to the right, bottom to top D) from right to the left, top to bottom
Last Answer : from left to the right, bottom to top
Description : A ring SONET network can be _________. A) unidirectional B) bidirectional. C) either (a) or (b) D) neither (a) nor (b)
Last Answer : bidirectional.
Description : A linear SONET network can be __________. A) point-to-point B) multipoint C) either (a) or (b) D) neither (a) nor (b)
Last Answer : point-to-point
Description : SONET network topologies can be__________. A) linear B) ring C) mesh D) all of theabove
Last Answer : ring
Description : In SONET each frame lasts _______ microseconds. A) 20 B) 64 C) 128 D) none of the above
Last Answer : 64
Description : SONET sends ________ frames per second A) 1000 B) 2000 C) 4000 D) 8000
Last Answer : 2000
Description : A SONET system can use _________. A) STS multiplexers B) regenerators C) add/drop multiplexers D) all of theabove
Last Answer : add/drop multiplexers
Description : SONET is a _______ TDM system. A) asynchronous B) synchronous C) statistical D) none of the above
Last Answer : none of the above
Description : SONET defines _______ layers. A) two B) three C) four D) five
Last Answer : four
Description : ______ isa standard developed by ITU-T. A) SONET B) SDH C) either (a) or (b) D) neither (a) nor (b)
Last Answer : either (a) or (b)
Description : isa standard developed by ANSI for fiber-opticnetworks. A) SONET B) SDH C) either (a) or (b) D) neither (a) nor (b)
Last Answer : SDH
Description : Which of the following is not backward compatible with Cdma2000? a) Cdma2000 1xRTT b) Cdma2000 3xRTT c) Cdma2000 1xEV-DO d) Cdma2000 1xEV-DT
Last Answer : c) Cdma2000 1xEV-DO
Description : The use of hierarchy in routing tables can ________ the size of the routing tables A. reduce B. increase C. multiply D. retain
Last Answer : A. reduce
Description : In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are ___________. A. Added B. Removed C. Rearranged D. Modified
Last Answer : A. Added
Description : In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are ___________ a) Added b) Removed c) Rearranged d) Modified
Last Answer : a) Added
Description : The 'Maslow's hierarchy of needs' includes A. physiological needs B. self-actualization needs C. esteem needs D. all of above
Last Answer : D. all of above
Description : Is there a special Basic Combat Training class for those destined for OCS?
Last Answer : well, in the military, you have to recalibrate your logic there a bit. Until you are actually physically admitted into OCS you ARE just another enlisted grunt.
Last Answer : OCS - Overseas Communication Service
Last Answer : Dhaka Division 1. OC Savar - 01713373327 OC Dhamrai - 01713373327 3. OC Keraniganj - 017133733329 4. OC Nawabganj - 01713373330 5. OC Dohar - 01713373331 6. OC Ashulia - 01713373332 6. OC ... - 01713374239 72. OC Meherpur - 01713374249 63. OC Gangni - 01713374250 74. OC Mujibnagar - 01713374251
Description : In ________ error correction, the receiver asks thesender tosend thedata again. A) backward B) retransmission C) forward D) none of the above
Last Answer : retransmission
Description : In ________ error correction, the receiver correctserrors without requestingretransmission. A) backward B) onward C) forward D) none of the above
Last Answer : forward
Description : The technique in which a congested node stops receiving data from the immediate upstream node or nodes is called as _______ A. Admission policy B. Backpressure C. Forward signaling D. Backward signaling
Last Answer : B. Backpressure
Description : Given a source code with 10 operators includes 6 unique operators, and 6 operand including 2 unique operands. The program volume is ? 48 120 720 insufficient data
Last Answer : 48
Description : Structured programming codes includes ? sequencing alteration iteration multiple exit from loops only A, B and C
Last Answer : only A, B and C
Description : Design phase includes? data, architectural and procedural design only architectural, procedural and interface design only data, architectural and interface design only data, architectural, interface and procedural design
Last Answer : data, architectural, interface and procedural design
Description : A _________ digital signal includes timing informationin the data beingtransmitted. A) self-synchronizing B) self-modulated C) self-transmitted D) none of the above
Last Answer : self-synchronizing
Description : A best-effort delivery service suchas IPv4 includes _______. A) error checking B) error correction C) datagram acknowledgment D) noneof the above
Last Answer : noneof the above
Description : The database administration function includes A. application programming B. computer operations management C. databaseaccessplanning D. All of theabove E. None of the above
Last Answer : databaseaccessplanning
Description : Which of the following statements is TRUE? a. Both Ethernet frame and IP packet include checksum fields b. Ethernet frame includes a checksum field and IP packet includes a CRC field c. Ethernet ... and IP packet includes a checksum field d. Both Ethernet frame and IP packet include CRC fields
Last Answer : Ethernet frame includes a CRC field and IP packet includes a checksum field
Description : A subset of a network that includes all the routers but contains no loops is called ________ a. spanning tree b. spider structure c. spider tree d. special tree
Last Answer : a. spanning tree
Description : In the TCP/IP protocol architecture, the Network Access Layer includes ………………………………...layers of the OSI Reference Model. A. presentation, session, application B. physical, data link, network C. data link, network D. physical, data link
Last Answer : B. physical, data link, network
Description : The subset of a network that includes all the routers but contains no loops is called ________ A. spanning tree B. spider structure C. spider tree D. special tree
Last Answer : A. spanning tree
Description : One subset of a network that includes all the routers but contains no loops is called ________ A. spanning tree B. spider structure C. spider tree D. special tree
Description : One of the following stands for SONET acronym in telecommunication A. System optical network B. Simple operation network C. Synchronous optical network D. System operating network
Last Answer : C. Synchronous optical network
Description : The ________is a circuit-switched network, while the ______is a packet-switched network. (A) Telephone, ATM (B) SONET and FDDI (C) Satellite, Telephone (D) FDDI and SONET
Last Answer : (A) Telephone, ATM
Description : In SONET, SPE stands for synchronous payload ____________________.
Last Answer : envelope
Description : SONET frame rows contain path overhead and ____________________ overhead.
Last Answer : transport
Description : The number of path overhead bytes in a SONET frame row is ____________________.
Last Answer : 1
Description : The total number of overhead bytes in a SONET frame row is ____________________.
Last Answer : 4
Description : The number of rows in a SONET frame is ____________________.
Last Answer : 9
Description : The number of bytes in the payload of a SONET frame is ____________________.
Last Answer : 774
Description : The number of bytes in a SONET frame is ____________________.
Last Answer : 810
Description : SONET frames have considerably more ____________________ than do DS frames for information about signal routing and setup.
Last Answer : overhead
Description : SONET uses a ____________________ to denote the starting position of an information frame.
Last Answer : pointer
Description : SONET does not use bit ____________________ to synchronize two digital signals.
Last Answer : stuffing
Description : SONET stands for ____________________ Optical Network.
Last Answer : Synchronous
Description : SONET stands for ∙ a. System Optical Network ∙ b. Synchronous Optical Network ∙ c. Silica Optic Network ∙ d. System Optical Fiber Net
Last Answer : ∙ b. Synchronous Optical Network