أسئلة في الشبكات قسم A
1. | How many digits of the DNIC (Data Network Identification Code) identify the country? |
A. | first three | B. | first four | C. | first five | D. | first six | E. | None of the above |
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2. | A station in a network forwards incoming packets by placing them on its shortest output queue. What routing algorithm is being used? |
A. | hot potato routing | B. | flooding | C. | static routing | D. | delta routing | E. | None of the above |
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3. | Frames from one LAN can be transmitted to another LAN via the device |
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4. | Which of the following condition is used to transmit two packets over a medium at the same time? |
A. | Contention | B. | Collision | C. | Synchronous | D. | Asynchronous | E. | None of the above |
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5.What are the most commonly used transmission speeds in BPS used in data communication? |
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6.What is the default subnet mask for a class C network? |
A. | 127.0.0.1 | B. | 255.0.0.0 | C. | 255.255.0.0 | D. | 255.255.255.0 | E. | None of the above |
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7.Which of the following is used for modulation and demodulation? |
A. | modem | B. | protocols | C. | gateway | D. | multiplexer | E. | None of the above |
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8.Which of the following is not a disadvantage of wireless LAN? |
A. | Slower data transmission | B. | higher error rate | C. | interference of transmissions from different computers | D. | All of the above |
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9.The Internet Control Message Protocol (ICMP) |
A. | allows gateways to send error a control messages to other gateways or hosts | B. | provides communication between the Internet Protocol Software on one machine and the Internet Protocol Software on another | C. | reports error conditions to the original source, the source must relate errors to individual application programs and take action to correct the problem | D. | All of the above | E. | None of the above |
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10.Your company has a LAN in its downtown office and has now set up a LAN in the manufacturing plant in the suburbs. To enable everyone to share data and resources between the two LANs, what type of device(s) are needed to connect them? Choose the most correct answer. |
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كتب بواسطة:q_jobs
كتب في تاريخ:05/07/2022
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