When a computer does not recognize an internal modem, a technician should determine whether:()
Athe modem is seated properly.
Bthe number being dialed is valid.
Cthere are resource conflicts.
Dthere is power to the modem.
Ethe modem speaker is enabled.
相关试题
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A technician receives a new printer for repair and the work order states that when powered on theprinter makes a loud noise and will not print. Which of the following actions should the technician take? ()
A、Install new drivers on the computer.
B、Install a new ink cartridge.
C、Install a print head on the printer.
D、Remove the packing tape from the print head.
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To make audit information more productive, the DBA executes the following command before startingan audit operation: SQL> ALTER SYSTEM SET AUDIT_TRAIL=DB,EXTENDED SCOPE=SPFILE; Which statement is true regarding the audit record generated when auditing starts after restarting thedatabase()
A、It contains only the plan for the SQL statement executed by the user.
B、It contains the SQL text executed by the user and the bind variables used with it.
C、It contains the plan and statistics associated with the SQL statement executed by the user.
D、It contains the plan for the SQL statement executed by the user and the bind variables used with it.
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While attempting to load a base operating system to a machine, an administrator is receiving bootp timeout error messages. What steps should be followed to troubleshoot communications between the NIM master and the client machine?()
A、View debug logs on NIM master for errors or failures.
B、Boot the client machine to SMS, and view the POST Error log.
C、Boot the client machine to SMS, setup remote IPL, and execute a ping test.
D、Boot the client machine to diagnostics, and ping the client from the NIM master.
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Which two create an instance of an array?()
Aint ia = new int [15];
Bfloat fa = new float [20];
Cchar ca = “Some String”;
DObject oa = new float[20];
EInt ia = (4, 5, 6) (1, 2, 3)
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Which two statements about MPLS label-switched paths (LSPs) are true? ()
ALSPs are bidirectional.
BLSPs are unidirectional.
CLSPs must follow the IGP's shortest path.
DLSPs can follow paths other than the IGP's shortest path.