更多"Given the following two AS path reg"的相关试题:
[单项选择] You define the following regular expression of currency values: regex tx = new regex("^-?/d+(/./d{2})?$") You are required to write code that will be used to find whether a string in the variable named Bill matches the regular expression or not. You are also required to use this code as the expression in a conditional statement and need to know which code segment to use. What should you do?（）
A. The tx.Matches（Bill）
B. The tx.Equals（Bill）
C. The tx.Match（Bill）
D. The tx.IsMatch（Bill）
[单项选择] Given the following expression about TextField which use a proportional pitch font. TextField t = new TextField（"they are good"，40）； Which statement is true？（）
A. The displayed string can use multiple fonts.
B. The maximum number of characters in a line will be 40.
C. The displayed width is exactly 40 characters.
D. The user can edit the characters.
[单项选择] Given the two AS path regular expressions： "65000+ （65001|65002）" "65000+ （65001|65002）{0，}" Which AS path matches both expressions？（）
A. 65000 65001 65002
B. 65000 65002
C. 65001 65000
D. 65001 65002
[单项选择]He was given two alternatives and he preferred the ______ to the latter.
A. previous
B. prior
C. former
D. initial
[单项选择]Please point out which of the following expressions is not the characteristics of settlement by letters of credit. ( )
A. L/C is a self-sufficient instrument
B. L/C is a document transaction
C. The issuing bank’ s liabilities for payment
D. L/C is a cargo transaction
[多项选择]Given two different character sets (A and B), which of the following must be true for A to be considered a strict superset of B?（）
A. A must contain all of the characters defined in B
B. A must be Unicode
C. The encoded values in A must match the encoded values in B for all characters defined in B
D. A must be a multibyte character set
E. The encoded values in A must match the encoded values in B for all numeric and alphabetic characters in B
[单项选择]Given the regular expression: 64900 . (65400-65410) Which AS Path matches the given regularexpression?（）
A. 64900 65000 65500
B. 64900 65402 65409
C. 64900 65000 65300 65410
D. 64900 65402 65405 65409
[单项选择] Given the following two tables: TAB1 C1 C2 1 Antarctica 2 Africa 3 Asia 4 Australia TAB2 CX CY 5 Europe 6 North America 7 South America Which of the following SQL statements will insert all rows found in table TAB2 into table TAB1?（）
A. INSERT INTO tab1 SELECT cx, cy FROM tab2
B. INSERT INTO tab1 VALUES (tab2.cx, tab2.cy)
C. INSERT INTO tab1 VALUES (SELECT cx, cy FROM tab2)
D. INSERT INTO tab1 (c1, c2) VALUES (SELECT cx, cy FROM tab2)
[单项选择] Given the following two tables: TAB1 C1 C2 A 11 B 12 C 13 TAB2 CX CY A 21 C 22 D 23 The following results are desired: C1 C2 CX CY A 11 A 21 C 13 C 22 -- --D 23 Which of the following queries will yield the desired results?（）
A. SELECT * FROM tab1 INNER JOIN tab2 ON c1=cx
B. SELECT * FROM tab1 LEFT OUTER JOIN tab2 ON c1=cx
C. SELECT * FROM tab1 FULL OUTER JOIN tab2 ON c1=cx
D. SELECT * FROM tab1 RIGHT OUTER JOIN tab2 ON c1=cx
[单项选择] Given the following two tables: TAB1 R1 A A A B B C C D E TAB2 R2 A A B B C C D Which of the following queries returns the following result set? RETVAL E（）
A. SELECT r1 AS retval FROM tab1 INTERSECT SELECT r2 AS retval FROM tab2
B. SELECT r1 AS retval FROM tab1 EXCEPT SELECT r2 AS retval FROM tab2
C. SELECT DISTINCT r1 AS retval FROM tab1, tab2 WHERE r1 <> r2
D. SELECT r1 AS retval FROM tab1 UNION SELECT r2 AS retval FROM tab2
[单项选择] Given classes defined in two different files： 1.package util； 2.public class BitUtils{ 3.private static void process（byte[]b）{} 4.} 1.package app； 2.public class SomeApp{ 3.public static void main（String[]args）{ 4.byte[]bytes=newbyte[256]； 5.//insert code here 6.} 7.} What is required at line 5 in class SomeApp to use the process method of BitUtils？（）
A. process（bytes）；
B. BitUtils.process（bytes）；
C. app.BitUtils.process（bytes）；
D. util.BitUtils.process（bytes）；
E. importutil.BitUtils.*；process（bytes）；
F. SomeApp cannot use the process method in BitUtils.
[单项选择]The two examples of wearing hats are given in the last paragraph to show _________.
A. the effect of customs on dressing style
B. the function of wearing straw hat
C. the correct way of wearing straw hat
D. the long history of some customs
[多项选择]What are two purposes of the AS_PATH attribute?（）
A. route selection
B. loop avoidance
C. determining equal cost paths for reachablilty
D. defining the application of other BGP attributes
[单项选择]The two passengers ______ the crash and were given emergency treatment at the scene of the crash.
A. live
B. last
C. surrender
D. survive
[多项选择]What are two uses of the AS Path attribute?（） (Choose two.)
A. route selection
B. loop avoidance
C. determining equal cost paths for reachablilty
D. defining the application of other BGP attributes
[多项选择]Given two different character sets （A and B）， which of the following must be true for A to be considered a strict superset of B？（）
A. A must contain all of the characters defined in B
B. A must be Unicode
C. The encoded values in A must match the encoded values in B for all characters defined in B
D. A must be a multibyte character set
E. The encoded values in A must match the encoded values in B for all numeric and alphabetic character
[多项选择]Given two collection objects referenced by col1 and col2，which of these statements are true？（）
A. The operation col1.retainAll（col2） will not modify the col1 object.
B. The operation col1.removeAll（col2） will not modify the col2 object.
C. The operation col1.addAll（col2） will return a new collection object， containing elements from both col1 and col2.
D. The operation col1.containsAll（Col2） will not modify the col1 object.
[多项选择] Given the two security constraints in a deployment descriptor： 101.
102. 103.SALES 104.SALES 105. 106. 107.
108. 109. 110. If the two security constraints have the same url-pattern and http-method which two inserted independentlyat line 109，will allow users with role names of either SALES or MARKETING to access this resource？（）
A.
B.
*C.
ANYD.
MARKETING
[多项选择] Given： 6.<% int[] nums = {42， 420， 4200}； 7.request.setAttribute（"foo"， nums）； %> Which two successfully translate and result in a value of true？（）
A. ${true or false}
B. ${requestScope[foo][0] > 500}
C. ${requestScope[’foo’][1] = 420}
D. ${（requestScope[’foo’][0] lt 50） && （3 gt 2）}
