A customer has a wireless router installed in their home office. The customer is having issues with signal strength at the opposite end of the house. Which of the following is the BEST option to increase the signal strength?（）..

第1题

[判断题] 对于同一始态出发的理想气体的绝热变化过程，WR = ΔU = nCV，mΔT，WIr = ΔU = nCV，mΔT，所以WR = WIr。

第2题

[] A customer has a requirement for a single AIX LPAR to be highly available. The customer only has enough funding to purchase a single system. Which would be the most critical option to mitigate AIX availability?（） A customer has a requirement for a single AIX LPAR to be highly available. The customer only has enough funding to purchase a single system. Which would be the most critical option to mitigate AIX availability?（）

A、A.Dual power supplies. B、B.Twice the amount of disk. C、C.Two dual-port LHEA adapters. D、D.Two dual-port fibre channel adapters.

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第3题

[多选题] The CUSTOMERS table has these columns: The CUSTOMER_ID column is the primary key for the table.Which two statements find the number of customers? （）

A、SELECT TOTAL(*) FROM customers; B、SELECT COUNT(*) FROM customers; C、SELECT TOTAL(customer_id) FROM customers; D、SELECT COUNT(customer_id) FROM customers; E、SELECT COUNT(customers) FROM customers; F、SELECT TOTAL(customer_name) FROM customers;

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第4题

[单选题] The CUSTOMERS table has these columns: Which statement finds the rows in the CUSTOMERS table that do not have a postal code?（）

A、SELECT customer_id, customer_name FROM customers WHERE postal_code CONTAINS NULL; B、SELECT customer_id, customer_name FROM customers WHERE postal_code = '________'; C、SELECT customer_id, customer_name FROM customers WHERE postal_code IS NULL; D、SELECT customer_id, customer_name FROM customers WHERE postal code IS NVL; E、SELECT customer_id, customer_name FROM customers WHERE postal_code = NULL;

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第5题

[] The most important customer a technician has is:（）

A、A. the customer standing right in front of them. B、B. the customer who owes the company the most money. C、C. the customer calling on the phone. D、D. the customer they have an appointment with in an hour.

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第6题

[] A company needs additional storage for a block I/O based database application. The application has low I/O bandwidth requirements across the campus. The customer has a TCP/IP infrastructure and is interested in low-cost products that are compatible with its environment. Which technology is most appropriate for this customer?（） A company needs additional storage for a block I/O based database application. The application has low I/O bandwidth requirements across the campus. The customer has a TCP/IP infrastructure and is interested in low-cost products that are compatible with its environment. Which technology is most appropriate for this customer?（）

A、A.SAN B、B.FCoE C、C.FCIP D、D.iSCSI

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第7题

[单选题] You need to produce a report for mailing labels for all customers. The mailing label must have only the customer name and address. The CUSTOMERS table has these columns: Which SELECT statement accomplishes this task?（）

A、SELECT* FROM customers; B、SELECT name, address FROM customers; C、SELECT id, name, address, phone FROM customers; D、SELECT cust_name, cust_address FROM customers; E、SELECT cust_id, cust_name, cust_address, cust_phone FROM customers;

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第8题

[多选题] The CUSTOMERS table has these columns: CUSTOMER_ID NUMBER(4) NOT NULL CUSTOMER_NAME VARCHAR2(100) NOT NULL STREET_ADDRESS VARCHAR2(150) CITY_ADDRESS VARCHAR2(50) STATE_ADDRESS VARCHAR2(50) PROVINCE_ADDRESS VARCHAR2(50) COUNTRY_ADDRESS VARCHAR2(50) POSTAL_CODE VARCHAR2(12) CUSTOMER_PHONE VARCHAR2(20) The CUSTOMER_ID column is the primary key for the table. Which two statements find the number of customers?（）

A、SELECT TOTAL(*) FROM customer; B、SELECT COUNT(*) FROM customer; C、SELECT TOTAL(customer_id) FROM customer; D、SELECT COUNT(customer_id) FROM customer; E、SELECT COUNT(customers) FROM customer; F、SELECT TOTAL(customer_name) FROM customer;

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第9题

[多选题] The CUSTOMERS table has these columns: CUSTOMER_ID NUMBER(4) NOT NULL CUSTOMER_NAME VARCHAR2(100) NOT NULL STREET_ADDRESS VARCHAR2(150) CITY_ADDRESS VARCHAR2(50) STATE_ADDRESS VARCHAR2(50) PROVINCE_ADDRESS VARCHAR2(50) COUNTRY_ADDRESS VARCHAR2(50) POSTAL_CODE VARCHAR2(12) CUSTOMER_PHONE VARCHAR2(20) The CUSTOMER_ID column is the primary key for the table. Which two statements find the number of customers? （）

A、SELECT TOTAL(*) FROM customer; B、SELECT COUNT(*) FROM customer; C、SELECT TOTAL(customer_id) FROM customer; D、SELECT COUNT(customer_id) FROM customer; E、SELECT COUNT(customers) FROM customer; F、SELECT TOTAL(customer_name) FROM customer;

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第10题

[单选题] A customer is installing a new x3850 X5 server and has purchased a warranty upgrade on the server to 24 x 7 four hour response. The customer requested IBM help with setting up the RAID adapter. The customer was told IBM would not help them. Which of the following should be verified first？（）

A、The customer used their IBM Customer Number B、The customer has activated their base warranty C、The customer purchased Remote Technical Support Servicepac D、The customer escalated the issue to the Duty Manager

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A customer has a wireless router installed in their home office. The customer is having issues with signal strength at the opposite end of the house. Which of the following is the BEST option to increase the signal strength?（）

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