17) A 1000BASE-SX Ethernet connection operates on a multimode fiber optic cable at a frequency of 353THz. What is the wavelength of the transmission channel? 850nm 85nm 8.5nm
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17) A 1000BASE-SX Ethernet connection operates on a multimode fiber optic cable at a frequency of 353THz. What is the wavelength of the transmission channel?
850nm
85nm
8.5nm
18 ) In a telephone TDM system, a DS0 has a capacity of 64kbps and a T1 link rate is 1.544Mbps. How many simultaneous voice conversations can a T1 carry?
28
24
41
98
0.85nm
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- A signal in a network has a propagation velocity of 1.77x10" m/s and a delay of 4.3 us introduced by each repeater. If the round trip delay for two computers at either end of a link that includes three repeaters is 52.92 us, calculate the length of this link? Express your answer in kilometers.Assume a shared connection of 1 Mbps (for example, an Ethernet bus). How long does it take (in microseconds) to transmit a 1000-bit frame over this connection?Consider an ethernet with length of the cable is 1800 meter and speed of the signal cable is 3 x 10^8 m/s, transmission time is 45 microsec, the (%) of time channel remains idle. (Upto 2 decimal place) Correct answer get upvote. Incorrect get downvote
- Assume that the propagation speed in a coaxial cable is 2 ∙108 m/s a. Packets are transmitted using the ABP (alternate bit protocol) over a full-duplex 5-km coaxial cable with a 5 Mbps transmission rate. The packets and ACKs are 1500 bits long. The transmitter and receiver use a CRC chip and their processing time is negligible. How many packets are transmitted every second when there is no transmission error? b. Five transmission lines identical to the one discussed in a) are connected in series. A buffer is used at each connection between the links to store packets as required. How many packets will go through the five lines every second when there are no transmission errors? Now assume that a packet or its acknowledgement is corrupted on any given link with probability p. What is the new packet transmission rate through the five links? Comment. Assume the processing delays and queuing delays for both ends are negligible.Assume that there is a shared connection (for example, an Ethernet bus) with a speed of 1 Mbps. How much time (in microseconds) is required to send a frame with a length of 1000 bits over this link?Consider a CSMA/CD network that transmits data at a rate of 100 Mbps (108 bits per second) over a 1 km (kilometer) cable with no repeaters. If the minimum frame size required for this network is 1250 bytes, what is the signal speed (km/sec) in the cable?
- In GSM, there are 8 separate time slots that makeup what is known as a "TDMA frame". Each GSM time slot lasts for 577 ps (microseconds) and contains more than simply a sample of each individual signal. i. How long does the TDMA frame last, express your answer in his and ms? Each time slot comprises a total of 148 bits. Of these 148 bits, only 114 represent voice or other data. The rest are used for a variety of control purposes. How many bits of data are in one TDMA frame? How many bits for control purposes are in one TDMA frame? What is the total number of bits, including data and control, in a TDMA frame?Computer Science 1. How fast can a 46-byte block of data be transmitted on a 10 Mbps Ethernet packet and a 16Mbps Token Ring packet? 2. If you have an operating frequency of 750 MHz, what length of a pair f conductors is considered to be a transmission line?SUBJECT : COMPUTER NETWORKING (PLEASE PROVIDE COMPLETE RELEVANT SOLUTION) Mr. Hadi sent an email using 01 Gbps network bandwidth which contained a message size of 2.5-KB (Kilobyte). Mr. John is X km away from sender (where X is 627) who received email at speed of light travels at 2.4 × 108 m/s. You may need to calculate propagation time and the transmission time for the entire communication. Draw the figure by labelling all above mentioned values and add screen shot in your answer along with your solution.
- Suppose there is a shared link (e.g. Ethernet bus) of 1 Mbps. How much time is needed (in microseconds) to transmit a 1000 bits long frame on this link?What is the total delay (latency) for a frame of size 78 million bits that is being sent on a same link with 9 intermediate devices having a queuing time of 83 μs and a processing time of 93 μs? The length of the link is 2000 Km. The speed of carrier inside the link is 2.8 × 108 m/sWhat are the propagation time and the transmission time for a 5-MB (megabyte) message (an image) if the bandwidth of the network is 1 Mbps? Assume that the distance between the sender and the receiver is 12,000 km and each word requires 8-bit with light travels at 2.4 * 108 m/s