tailieunhanh - Đề thi sát hạch kỹ sư công nghệ thông tin part 2

Subquestion From the answer groups below, select the correct answers to be inserted in the blanks through in the following text. There is a LAN connected as shown in the diagram below. The transmission path distance between interconnect device X and interconnect device Y is 230 meters. The signal propagation speed on this transmission path is 230 meters per microsecond. Frame transmission from interconnect device X has now started. Prior to the elapse of microseconds from the start of this transmission, a frame being transmitted from interconnect device Y occurs. device Y passes through step 1 and goes to When. | Subquestion rom the answer groups below select the correct answers to be inserted in the blanks through in the following text. a microseconds from the start of this transmission a frame being When this happens interconnect . Subsequently interconnect There is a LAN connected as shown in the diagram below. The transmission path distance between interconnect device X and interconnect device Y is 230 meters. The signal propagation speed on this transmission path is 230 meters per microsecond. Frame transmission from interconnect device X has now started. Prior to the elapse of transmitted from interconnect device Y oc device Y passes through step 1 and goes to I b device Y senses a collision. The time period required for interconnect device X to sense the collision is at the longest approximately I c microseconds after the start of frame transmission from interconnect device X depending on the time difference compared to the start of transmission from interconnect device Y which starts transmission later. If transmission from interconnect device X ends prior to the elapse of this time period then interconnect device X will go from unable to detect the collision. In this case assuming interconnect devices can be attached at any position between the terminators at either end it is clear that with this sensing method the time required to transmit a single frame must be at least as long as the signal round-trip time between the terminators on the transmission path. d to e I and be Terminator Terminator Fig. LAN Connections with the CSMA CD Method Answer group for a and c a b d 2 e 10 c 1 f 4300 11 Answer group for b d and e a Step 0 d Step 3 b Step 1 e Step 4 c Step 2 f Step 5 Trung tâm Sát hạch Công nghệ thông tin và Hỗ trọ đào tạo VITEC http 12 Q4. Read the following program description pseudo-language syntax description and program then answer the subquestion. Program Description Calc is a subprogram that uses a stack to calculate numerical