Click the Exhibit button. When designing a DWDM system with multiple amplified spans， a pre-amp is needed at Site B to （）.https://assets.asklib.com/images/image2/2018080113561481444.jpg

A . Compilation fails. B . The code compiles and the output is 2. C . If lines 16， 17 and 18 were removed， compilation would fail. D . If lines 24， 25 and 26 were removed， compilation would fail. E . If lines 16， 17 and 18 were removed， the code would compile and the output would be 2. F . If lines 24， 25 and 26 were removed， the code would compile and the output would be 1.

A .  Thin Film filter B .  Fiber Bragg Grating C .  Arrayed Wave Guide D .  Erbium fiber amplifier

A . Compilation of class A fails. B . Line 28 prints the value 3 to System.out. C . Line 28 prints the value 1 to System.out. D . A runtime error occurs when line 25 executes. E . Compilation fails because of an error on line 28.

A . 4321 B . 0000 C . An exception is thrown at runtime. D . Compilation fails because of an error in line 18.

A . 1+0 B . 1+1 C . 1：1 D . 1：N

A . Compilation will succeed for all classes and interfaces. B . Compilation of class C will fail because of an error in line 2. C . Compilation of class C will fail because of an error in line 6. D . Compilation of class AImpl will fail because of an error in line 2

A . Compilation will succeed for all classes and interfaces. B . Compilation of class C will fail because of an error in line 2. C . Compilation of class C will fail because of an error in line 6. D . Compilation of class AImpl will fail because of an error in line 2.

A .  The code will deadlock. B .  The code may run with output "2 0 6 4". C .  The code may run with no output. D .  The code may run with output "0 6". E .  An exception is thrown at runtime. F .  The code may run with output "0 2 4 6".

A . Value is： 8 B . Compilation fails. C . Value is： 12 D . Value is： -12

A . go in Goban go in Sente go in Sente B . go in Sente go in Sente go in Goban C . go in Sente go in Goban go in Goban D . go in Goban go in Goban go in Sente

A . go in Goban go in Goban B . go in Sente go in Goban C . go in Goban go in Sente D . go in Sente go in Sente E . Compilation fails because of an error in line 17.

A . 4 B . 5 C . 8 D . 9 E . Compilation fails. F . An exception is thrown at runtime. G . It is impossible to determine for certain.

A . Thin Film filter B . Fiber Bragg Grating C . Arrayed Wave Guide D . Erbium fiber amplifier

A .  The CPU cannot be assigned to the members of the SYS_GROUP group. B .  The members of the OTHER_GROUPS group will always be assigned 100 percent CPU. C .  The members of the OTHER_GROUPS group will never be assigned 100 percent CPU. D .  The members of the OTHER_GROUPS group will be assigned 100 percent CPU if the CPU is not assigned to the members of the SYS_GROUP group and the PAYROLL， SALES， and MARKETING groups.

A . The code will deadlock. B . The code may run with no output. C . An exception is thrown at runtime. D . The code may run with output "0 6". E . The code may run with output "2 0 6 4". F . The code may run with output "0 2 4 6".

A . 300-100-100-100-100 B . 300-300-100-100-100 C . 300-300-300-100-100 D . 300-300-300-300-100

A . Value is: 8 B . Compilation fails. C . Value is: 12 D . Value is: -12 E . The code runs with no output. F . An exception is thrown at runtime.

A .  300-300-100-100-100 B .  300-300-300-100-100 C .  300-300-300-300-100 D .  300-100-100-100-100

A . 4321 B . 0000 C . An exception is thrown at runtime. D . Compilation fails because of an error in line 18.

<img src='https://img2.soutiyun.com/shangxueba/ask/64191001-64194000/64192968/27436b9aa94e46b1ec4e3f7903ed4581.jpg' /> A. RIP B. OSPF C. BGP and RIP D. RIP and PIM

<img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/9e4bb10af679f8698024701bdbe32cdc.jpg' /> A. This section is where you define all chassis clustering configuration. B. This configuration is required for members of a chassis cluster to talk to each other. C. You can apply this configuration in the chassis cluster to make configuration easier. D. This section is where unique node configuration is applied.

<img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/1056ff2fc89b9128d3c193c6353b0aed.jpg' /> <img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/001f7673e203b4260da1ad25e07a57e3.jpg' /> A.Line 26 prints &quot;a&quot; to System.out. B.Line 26 prints &quot;b&quot; to System.out. C.An exception is thrown at line 26 at runtime. D.Compilation of class A will fail due to an error in line 6.

<img src='https://img2.soutiyun.com/ask/uploadfile/2019-02-04/a2453abc55e9a033aaedbbe1086f931f.jpg' /> A.Value is: 8 B.Compilation fails. C.Value is: 12 D.Value is: -12 E.The code runs with no output. F.An exception is thrown at runtime.

<img src='https://img2.soutiyun.com/ask/uploadfile/2019-02-04/34d2f9d266830942766705544d3f98b3.jpg' /> A.Compilation fails. B.The code compiles and the output is 2. C.If lines 16, 17 and 18 were removed, compilation would fail. D.If lines 24, 25 and 26 were removed, compilation would fail. E.If lines 16, 17 and 18 were removed, the code would compile and the output would be 2. F.If lines 24, 25 and 26 were removed, the code would compile and the output would be 1.

You want to retrieve all employees, whether or not they have matching departments in the departments table. Which query would you use？（）<img src='https://img2.soutiyun.com/shangxueba/ask/18264001-18267000/18266966/2018080111484519157.jpg' /> A. SELECT last_name, department_name FROM employees NATURAL JOIN departments; B. SELECT last_name, department_name FROM employees JOIN departments ; C. SELECT last_name, department_name FROM employees e JOIN departments d ON (e.department_id = d.department_id); D. SELECT last_name, department_name FROM employees e RIGHT OUTER JOIN departments d ON (e.department_id = d.department_id); E. SELECT last_name, department_name FROM employees FULL JOIN departments ON (e.department_id = d.department_id); F . SELECT last_name, department_name FROM employees e LEFT OUTER JOIN departments d ON (e.department_id = d.department_id)