The primary purpose of an SLA between the service provider and customer is to agree on which of the following？（）A、Monthly bandwidth limits， server configuration， and software baseline.B、Number of dedicated technicians assigned to network issues.C、Level of service including energy consumption， bandwidth and server color.D、Level of service including time limits for service， repair and replacement.
The primary purpose of an SLA between the service provider and customer is to agree on which of the following？（）
- A、Monthly bandwidth limits， server configuration， and software baseline.
- B、Number of dedicated technicians assigned to network issues.
- C、Level of service including energy consumption， bandwidth and server color.
- D、Level of service including time limits for service， repair and replacement.
相关考题：
●For relation where primary key contains multiple attributes，no non-key attribute should be functionally dependent on a part of primary key．This relation R is at least in (66) .(66) A．3NFB．2NFC．INFD．BCNF
You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty. Which statement accomplishes this task?() A. ALTER TABLE students ADD PRIMARY KEY _ id;B. ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student_id);C. ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id;D. ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id);E. ALTER TABLE students MODIFY CONSTRAINT stud_id_pk PRIMARY KEY (student_id);
The data station usually means a(71)unit that provides data for transmission, that accepts transmitted data, and that performs all functions necessary for communication with another functional unit. Data stations may be divided into two kinds, the primary stations and the secondary stations, (72)control functions.In(73)data link control, the primary station is the data station that supports the primary control functions of the data link, generates commands to be transmitted, and interprets received responses. Specific responsibilities assigned to the primary station include initialization of control signal interchange, organization of data flow and actions regarding error control and error recovery functions. The secondary station executes data link control functions as (74)by the primary station, interprets received commands and (75) responses to be transmitted.A．performanceB．functionalC．capacityD．quality
The primary line module has failed and the spare line module is nowactive.What occurs,by default,when the primary line module returns to an operational status?() A.The primary line module is inactive for five minutes and then becomes active.B.The primary line module is in standby mode，while the spare line module remains active.C.The primary line module becomes active immediately and the spare line module becomes inactive.D.The primary and spare line modules are active for five minutes，after which time the spare line module becomes inactive.
为表TEST中ID列添加主键约束的语法是（）A、ALTER TABLE TEST CHANGE（ ID INT PRIMARY KEY）B、ALTER TABLE TEST ADD（ ID INT PRIMARY KEY）C、ALTER TABLE TEST MODIFY（ ID INT PRIMARY KEY）D、ALTER TABLE TEST ADD CONSTRAINT PK PRIMARY KEY （ID）
Which type of EIGRP route entry describes a feasible successor?（）A、a primary route,stored in the routing tableB、a backup route,stored in the routing tableC、a backup route,stored in the topology tableD、a primary route,stored in the topology table
Which of the following would be the BEST process for the technician to follow when beginning to diagnose a unit at a customers site？（）A、Check the printers error log， and then inform the primary user what the issue is.B、Go directly to the printer and investigate any issues that are found.C、Investigate the printers status， then ask the primary user to write down what they think is wrong.D、Gather information from the primary user， and then evaluate the printers condition.
What is the default function of a secondary path in MPLS?（）A、to act as an equal-cost path to the primary pathB、to enable another LSP for load balancingC、to act as a diverse backup path to the primary pathD、to allow the use of explicit path selection via EROs
Which two statements are true about the primary key constraint in a table？ （）A、It is not possible to disable the primary key constraint.B、It is possible to have more than one primary key constraint in a single table.C、The primary key constraint can be referred by only one foreign key constraint.D、The primary key constraint can be imposed by combining more than one column.E、The non-deferrable primary key constraint creates an unique index on the primary key column if it is not already indexed.
You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty.Which statement accomplishes this task?（）A、ALTER TABLE students ADD PRIMARY KEY student_id;B、ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student _ id);C、ALTER TABLE students ADD CONSTRAINT stud _ id _pk PRIMARY KEY (student _ id);D、ALTER TABLE students MODIFY CONSTRAINT stud _ id _pk PRIMARY KEY (student _ id);
单选题View the Exhibit and examine the structure of the EMP table. You executed the following command to add a primary key to the EMP table： ALTER TABLE emp ADD CONSTRAINT emp_id_pk PRIMARY KEY （emp_id） USING INDEX emp_id_idx； Which statement is true regarding the effect of the command？（）A The PRIMARY KEY is created along with a new index.B The PRIMARY KEY is created and it would use an existing unique index.C The PRIMARY KEY would be created in a disabled state because it is using an existing index.D The statement produces an error because the USING clause is permitted only in the CREATE TABLE command.
单选题The customer brings their mini-tower and a new DVD/RW drive they want installed. The technician finds a second hard drive in an empty 5.25 bay connected to the secondary bus and jumpered as a slave. The ribbon cable will not stretch from the primary hard drive to the open 5.25 inch bay. Which of the following is the BEST solution?（）AConnect the new DVD drive as the primary on the secondary bus and leave the old CD drive disconnected.BMove the secondary hard drive next to the primary hard drive and connect to the primary bus. Connect the new DVD drive as the slave on the secondary bus.CMove the secondary hard drive from the secondary to the primary bus and then reformat the hard drive after rebooting then reassign the drive letters in disk management prior to installing the new DVD drive on the secondary bus.DMove the secondary hard drive to the bay and then connect it to the primary bus. Connect themini-tower and the new DVD drive as the master on the secondary bus.
单选题As automobiles replaced horses as the primary means of transportation, it was widely anticipated that the time spent in transit by the average traveler would decrease.AAs automobiles replaced horses as the primary means of transportation, it was widely anticipated thatBInsofar as automobiles replaced horses as the primary means of transportation, it was anticipated widelyCWith horses being replaced by automobiles as the primary means of transportation, there was wide anticipation thatDAs the primary means of transportation replaced horses with automobiles, many anticipated thatEAutomobiles replacing horses as the primary means of transportation produced anticipation widely that
单选题The primary line module has failed and the spare line module is nowactive.What occurs，by default，when the primary line module returns to an operational status？（）AThe primary line module is inactive for five minutes and then becomes active.BThe primary line module is in standby mode，while the spare line module remains active.CThe primary line module becomes active immediately and the spare line module becomes inactive.DThe primary and spare line modules are active for five minutes，after which time the spare line module becomes inactive.
单选题Examine the command： ALTER DATABASE ADD SUPPLEMENTAL LOG DATA （PRIMARY KEY） COLUMNS； What does the command accomplish？（）ACreates an additional copy of the database online redo log files. BStores the primary key column values of each row involved in a DML operation in the online redo log files. CStores the primary key column values of each row involved in a DML operation in the supplemental log files. DStores the old and new primary key column values of each row involved in a DML operation only when the primary key is modified in the online redo log files.
单选题How many IP addresses can be configured in a given interface？（）Aone primary and one secondary IP addressBone IP addressCas many IP addresses as you wantDone primary and multiple secondary IP addresses
单选题You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty. Which statement accomplishes this task?（）AALTER TABLE students ADD PRIMARY KEY _ id;BALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student_id);CALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id;DALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id);EALTER TABLE students MODIFY CONSTRAINT stud_id_pk PRIMARY KEY (student_id);
多选题Which two statements are true about the primary key constraint in a table？ （）AIt is not possible to disable the primary key constraint.BIt is possible to have more than one primary key constraint in a single table.CThe primary key constraint can be referred by only one foreign key constraint.DThe primary key constraint can be imposed by combining more than one column.EThe non-deferrable primary key constraint creates an unique index on the primary key column if it is not already indexed.
单选题You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty. Which statement accomplishes this task?（）AALTER TABLE students ADD PRIMARY KEY student_id;BALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student_id);CALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id;DALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id);EALTER TABLE students MODIFY CONSTRAINT stud_id_pk PRIMARY KEY (student_id);