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D. 5<br />
E. 6<br />
F. Unknown<br />
Answer: F<br />
Question: 5<br />
Byte #32 on the first GAM page s<strong>to</strong>res the value 'oxc4' Which of the following<br />
statements are true? (choose 3)<br />
A. 3 allocation units have at least one unused extent<br />
B. 5 allocation units have at least one unused extent<br />
C. allocation page 0 reports at least one unused extent<br />
D. allocation page 256 reports at least one unused extent<br />
E. allocation page 512 reports at least one unused extent<br />
Explanation:<br />
From sybase.com: Each database has a Global Allocation Map Pages (GAM). It<br />
s<strong>to</strong>res a bitmap for all allocation units of a database, with 1 bit per<br />
allocation unit. When an allocation unit has no free extents available<br />
<strong>to</strong> s<strong>to</strong>re objects, its corresponding bit in the GAM is set <strong>to</strong> 1.<br />
This means that 11000100 indicates that 3 allocation units are full (or 3<br />
have no unused). A is false, B is true.<br />
Assuming the bits should be read from right <strong>to</strong> left C and D are true<br />
Question: 6<br />
How many fragments are expected by the following statement?<br />
Create database salesdb on dev1 = 400<br />
Log on dev 1 = 50<br />
With override<br />
A. Exactly one<br />
B. At least one<br />
C. Exactly two<br />
D. At least two<br />
Question: 7<br />
Which of the following statements about GAM pages are true? (Choose 3)<br />
A. Every user database has at least one GAM page.<br />
B. Every system database has at least one GAM page.<br />
C. GAM pages help locate unreserved extents in the database.<br />
D. GAM pages help locate fragmented extents in the database.<br />
E. GAM pages help locate pages belonging <strong>to</strong> user table pages.<br />
Answer: B, C, D<br />
Answer: D
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