Discussion
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- Question
Ethernet networks can be cabled in a number of topologies, depending on what works best in each environment. As more nodes are added, the efficiency of Ethernet decreases. Select the best answer as to why Ethernet becomes less efficient as size increases.
Options- A. Network collisions occur
- B. Repeaters cannot increase the signal strength sufficiently
- C. Cable terminators do not reflect the signal properly
- D. Cable terminators do not absorb the signal properly
- E. "Line echo" occurs due to the impedance of the cable
- Correct Answer
- Network collisions occur
- 1. Routers are often used to implement FIREWALLS
Options- A. True
- B. False Discuss
- 2. What is the i/o address for com2?
Options- A. 2vb
- B. 2f8
- C. 8f8
- D. 330 Discuss
- 3. "Parity" errors usually indicate bad memory.
Options- A. True
- B. False Discuss
- 4. On the 16-bit ISA bus, IRQ2 is elevated to which higher level interrupt?
Options- A. 9
- B. 11
- C. 13
- D. 15
- E. None of the above Discuss
- 5. How many DMA channels are there in an AT class PC?
Options- A. 3
- B. 4
- C. 7
- D. 8
- E. None of the above Discuss
- 6. _____ has become the most widely used bipolar family.
Options- A. DTL
- B. TTL
- C. ECL
- D. MOS
- E. None of the above Discuss
- 7. How many bytes are there in 1011 1001 0110 1110 numbers?
Options- A. 1
- B. 2
- C. 4
- D. 8
- E. None of the above Discuss
- 8. What switch would you use to view Smartdrive statistics?
Options- A. /x
- B. /e:
- C. /s
- D. /o:n
- E. None of the above Discuss
- 9. Which of the following command lists the last 10 lines of a file?
Options- A. grep
- B. tail
- C. head
- D. cat
- E. None of the above Discuss
- 10. Which of the following command can be used to rename a file in UNIX?
Options- A. ren
- B. mv
- C. remove
- D. change
- E. None of the above Discuss
More questions
Correct Answer: True
Correct Answer: 2f8
Correct Answer: True
Correct Answer: 9
Correct Answer: 8
Correct Answer: TTL
Correct Answer: 2
Correct Answer: /s
Correct Answer: tail
Correct Answer: mv
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