31. Which join refers to join records from the right table that have no matching key...
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31. Which join refers to join records from the right table that have no matching key in the left table are include in the result set: * A) Left outer join B) Right outer join C) Full outer join D) Half outer join 32. Which of the following has each related entity set has its own schema and there is an additional schema for the relationship set. * A) A many-to-many relationship set B) A multi valued attribute of an entity set C) A one-to-many relationship set D) Both a and b 33. Which layer in OSI performs multiplexing? A) Presentation B) Session C) Transport D) Network 34. data and signals are composed of a discrete or fixed number of values, rather than a continuous or infinite number of values. * A) Digital & Analog B) Digital & Digital C) Analog & Digital D) Analog & Analog 35. While running a communication line from point A through point B and ending at point C, it experiences a 10-dB loss from A to B, a 15-dB gain at point B, and 15 - dB loss at point C. What is the overall gain or loss of this signal? * A) -5 dB B)-10 dB C) 5 dB D) 10 dB 36. What is the subnet mask for this IP: 140.179.220.200/19? * A) 255.255. 192.0 B) 255.255.224.0 C) 255.255. 240.0 D) None 37. What class is the following IP address 206.15.143.189 * A) Class A B) Class B C) Class C D) Class D 38. Which is true about CSMA/CD? * A) It is a contention based protocol B) It is a deterministic protocol C) Two stations can transmit at same time D) None 39. The routing method, or algorithm, chosen to move packets through a network should be: * A) Optimal B) Fair C) Robust D) All of these. 40. Which below let router represent an entire LAN to Internet as single IP address? * A) DHCP B) DNS C) NAT D) None 31. Which join refers to join records from the right table that have no matching key in the left table are include in the result set: * A) Left outer join B) Right outer join C) Full outer join D) Half outer join 32. Which of the following has each related entity set has its own schema and there is an additional schema for the relationship set. * A) A many-to-many relationship set B) A multi valued attribute of an entity set C) A one-to-many relationship set D) Both a and b 33. Which layer in OSI performs multiplexing? A) Presentation B) Session C) Transport D) Network 34. data and signals are composed of a discrete or fixed number of values, rather than a continuous or infinite number of values. * A) Digital & Analog B) Digital & Digital C) Analog & Digital D) Analog & Analog 35. While running a communication line from point A through point B and ending at point C, it experiences a 10-dB loss from A to B, a 15-dB gain at point B, and 15 - dB loss at point C. What is the overall gain or loss of this signal? * A) -5 dB B)-10 dB C) 5 dB D) 10 dB 36. What is the subnet mask for this IP: 140.179.220.200/19? * A) 255.255. 192.0 B) 255.255.224.0 C) 255.255. 240.0 D) None 37. What class is the following IP address 206.15.143.189 * A) Class A B) Class B C) Class C D) Class D 38. Which is true about CSMA/CD? * A) It is a contention based protocol B) It is a deterministic protocol C) Two stations can transmit at same time D) None 39. The routing method, or algorithm, chosen to move packets through a network should be: * A) Optimal B) Fair C) Robust D) All of these. 40. Which below let router represent an entire LAN to Internet as single IP address? * A) DHCP B) DNS C) NAT D) None
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The detailed answer for the above question is provided below 31 Answer C Full outer join A full outer join combines the results of both left outer joi... View the full answer
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
Posted Date:
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