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- Question
The main difference between TCP and UDP is
Options- A. UDP is connection oriented where as TCP is datagram service
- B. TCP is an Internet protocol where as UDP is an ATM protocol
- C. UDP is a datagram where as TCP is a connection oriented service
- D. All of the above
- Correct Answer
- UDP is a datagram where as TCP is a connection oriented service
- 1. The use of specialized workstations:
Options- A. provides limited growth potentials for 3-D
- B. reduces the host computer workload and allows more users
- C. reduces the host computer workload
- D. has a high cost-performance tradeoff
- E. None of the above Discuss
- 2. Which of the following network access standard is used for connecting stations to a circuit-switched network?
Options- A. X.3
- B. X.21
- C. X.25
- D. X.75
- E. None of the above Discuss
- 3. A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be
Options- A. the pin code
- B. the last name
- C. a compound key consisting of the first name and the last name
- D. All of the above
- E. None of the above Discuss
- 4. There are several procedures you can implement to provide maximum security. The most important of these is:
Options- A. do not leave training manuals unsecured
- B. run regular simulated tests using TARP (testing of Applications Recovery Planes)
- C. Verify the reputation of the people installing your system
- D. do not allow unbonded service people to work on your equipment
- E. None of the above Discuss
- 5. Which one of the following statements is true for current flowing in a series circuit?
Options- A. The amount of current flow through each part of a series circuit can be different, depending on the resistance of each part and the amount of voltage applied to it
- B. The total current in a series circuit is equal to the sum of the currents flowing through the individual components in the circuit
- C. The same current flows through every part of a series circuit
- D. The total current in a series circuit is equal to the total voltage multiplied by the total resistance
- E. None of the above Discuss
- 6. Molecule is
Options- A. The smallest particle of a substance that retains the properties of that substance
- B. A atom that has a shortage of electrons in its outer orbit
- C. A atom that has an excessive number of electrons in its outer orbit
- D. A atom that flows whenever there is an imbalance of electrical charges between two points
- E. None of the above Discuss
- 7. Which one of the following statements best describes magnetic hysteresis?
Options- A. Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet
- B. Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet
- C. Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently
- D. Hysteresis is most apparent when the core material is saturated
- E. None of the above Discuss
- 8. Establishing a virtual connection is functionally equivalent to
Options- A. Connecting as virtual memory
- B. Physically connecting a DTE and DCE
- C. Placing a telephone call prior to a conversation
- D. Placing a modem prior to a conversation
- E. None of the above Discuss
- 9. If odd parity is used for ASCII error detection, the number of 0s per eight-bit symbol is _____.
Options- A. even
- B. odd
- C. indeterminate
- D. 42 Discuss
- 10. A page fault
Options- A. is an error is a specific page
- B. occurs when a program accesses a page of memory
- C. is an access to a page not currently in memory
- D. is a reference to a page belonging to another program
- E. None of the above Discuss
More questions
Correct Answer: reduces the host computer workload and allows more users
Correct Answer: X.21
Correct Answer: a compound key consisting of the first name and the last name
Correct Answer: run regular simulated tests using TARP (testing of Applications Recovery Planes)
Correct Answer: The same current flows through every part of a series circuit
Correct Answer: The smallest particle of a substance that retains the properties of that substance
Correct Answer: Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently
Correct Answer: Placing a telephone call prior to a conversation
Correct Answer: odd
Correct Answer: is an access to a page not currently in memory
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