comptia a study guide 2012 pdf free download

... substantial speedup by doubling its RAM. B. The swap space may be safely eliminated. C. The administrator should use the swapon command to activate more use of the existing swap space. D. Available ... computers—which are actu- ally far more powerful than the mainframes of just a few years ago. Because of its mainframe heritage, Unix (and hence also Linux) scales well to perform today’s demanding ... Chapter 4 for more information. 8. B. In 2001, all major Debian-based distributions use not just the Debian package system but many Debian component packages as a starting base. Debian is available...

Ngày tải lên: 16/08/2013, 16:24

... reading the book. The answers to this test appear on a separate page after the last question. Each answer also includes an explanation and a note telling you in which chapter this material appears. In ... this training material and specifically disclaims any warranties of merchantability or fitness for a particular purpose. CompTIA makes no guarantee concerning the success of persons using any such ... workgroups. A workgroup is a collection of individuals (a sales department, for example) who share the same files and databases over the LAN. Figure 1.1 shows an example of a small LAN and its...

Ngày tải lên: 10/12/2013, 16:15

... Queries 209 Asia Israel Middle East and Africa Israel Europe India Americas India Asia India Middle East and Africa India Europe Italy Americas Italy Asia Italy Middle East and Africa Italy Although ... CITY Australia Sydney Brazil Sao Paulo Canada Toronto Canada Whitehorse Switzerland Geneva Switzerland Bern China Beijing Germany Munich India Bombay Italy Rome Italy Venice Japan Tokyo Japan Hiroshima Mexico ... schema in each tablespace is shown as well as the total space used in each tablespace and the total space used by each schema. The total space used in the database (including all tablespaces)...

Ngày tải lên: 15/12/2013, 05:15

... tablespaces are usually created in a database as well as an undo tablespace and several application tablespaces. Because SYSTEM and SYSAUX are the only tablespaces always created with the database, ... DBCA to create a database, learned to start and stop a data- base, and learned about alert log files and Oracle dictionary. Though the DBCA does all the background work and creates a database ... to create an Oracle 11g database using the Database Configuration Assistant. Then I discussed the Oracle metadata dictionary and parameter files. You also learned about database startup and shutdown...

Ngày tải lên: 24/12/2013, 13:16

... TO ‘/disk2/oradata/DB01/user_data01.dbf‘, ‘/disk2/oradata/DB01/user_data02.dbf‘, ‘/disk2/oradata/DB01/user_data03.dbf‘; or ALTER TABLESPACE USER_DATA RENAME DATAFILE ‘/disk1/oradata/DB01/user_data01.dbf‘, ‘/disk1/oradata/DB01/userdata2.dbf‘, ‘/disk1/oradata/DB01/user_data03.dbf‘ TO ‘/disk2/oradata/DB01/user_data01.dbf‘, ‘/disk2/oradata/DB01/user_data02.dbf‘, ‘/disk2/oradata/DB01/user_data03.dbf‘; 4. ... engaging a logical volume manager. To add a data file to a smallfile tablespace, use an ADD clause with the ALTER TABLESPACE statement. For example, the following statement adds a 2GB data ... TABLESPACE , ALTER TABLESPACE , and ALTER DATAFILE commands. For example: CREATE TABLESPACE APPL_DATA DATAFILE ‘/disk2/oradata/DB01/appl_data01.dbf‘ SIZE 500M AUTOEXTEND ON NEXT 100M MAXSIZE 2000M; The...

Ngày tải lên: 24/12/2013, 13:16

... always created with an Oracle 11g database. Addi- tionally, the SYSMAN and DBSNMP accounts are created together with a database via the Data- base Configuration Assistant (DBCA). Other special ... provide a non- SYSTEM temporary-type tablespace as the database default temporary tablespace. To change the database default temporary tablespace, use the ALTER DATABASE statement, like this: ALTER ... To change the database default tablespace (the value that users inherit if no default tablespace is provided), use the ALTER DATABASE statement, like this: ALTER DATABASE DEFAULT TABLESPACE...

Ngày tải lên: 24/12/2013, 13:16

... table BY juanita; Examining the Audit Trail Statement, privilege, and object audit records are written to the SYS.AUD$ table and made available via the data dictionary views DBA_AUDIT_TRAIL ... 685 Default Database Roles When you create a new Oracle 11g database, Oracle creates several roles in the database based on the options you chose at the database creation. The following are few ... watermark. Auditing Database Activity 699 Statement-Auditing Option Triggering SQL Statements TABLE CREATE TABLE DROP TABLE TRUNCATE TABLE TABLESPACE CREATE TABLESPACE ALTER TABLESPACE DROP...

Ngày tải lên: 24/12/2013, 13:16

... the database, the Automatic Database Diagnostic feature uses the AWR data, as described in the “Automatic Database Diagnostic Monitoring” section. Active Session History ASH is sampled data at ... sessions that are waiting for another session to release a lock DBA_TABLESPACES Shows tablespaces in the database and their properties DBA _FREE_ SPACE Shows the free space available in all tablespaces ... 14.15). Automatic Database Diagnostic Monitoring Following each AWR statistics-collection process, the Automated Database Diagnostic Monitoring (ADDM) feature automatically analyzes the gathered statistics...

Ngày tải lên: 24/12/2013, 13:16

... statement, 754 ALTER TABLESPACE ADD DATAFILE statement, 538, 551 ALTER TABLESPACE APPL_DATA statement, 538 ALTER TABLESPACE BEGIN BACKUP statement, 540, 868 – 869 ALTER TABLESPACE END BACKUP ... Database Control, 860 – 862, 861 managing, 862 occupants, 859 SQL commands, 860 FLASHBACK ANY TABLE privilege, 680 Flashback Data Archive process, 409 FLASHBACK DATABASE command, 861 flashback ... 87 remainder functions, 85 – 87 REMAP_DATAFILES parameter, 954 REMAP_SCHEMA parameter, 954 REMAP_TABLE parameter, 954 REMAP_TABLESPACE parameter, 954 REMARKS command, 15 REMOTE_LISTENER parameter,...

Ngày tải lên: 21/01/2014, 19:20

... either an integer numeric or string value.Thus, for example, an array could contain a floating-point value, a string, a Boolean, and even another array. Although PHP will automatically provide a key ... keys n Creating and handling multidimensional arrays n Sorting arrays n Randomizing arrays n Intersecting arrays n Calculating the difference between one or more arrays n Serializing arrays Creating Arrays The ... In addition, $_REQUEST is a method-agnostic array that you can use to access form data (basically a merge of both $_GET and $_POST). Superglobal arrays are available in every scope, which makes...

Ngày tải lên: 26/01/2014, 11:20

... can say that the phrase entailed by any of these Class B adverbs is also entailed by the Class A adverbs. We aim at a translation of our locative syntactic structures into semantic denotational ... Library, 1962. 29. Jakobson, Roman. Shifters, Verbal Categories, and the Russian Verb. Cambridge, Mass.: Russian Language Project, Department of Slavic Languages and Litera- tures, Harvard ... both can be formally de- scribed and differentiated. The grammar rules of (2) are also inadequate for a number of additional reasons, all relating in some way or another to the locative prepositional...

Ngày tải lên: 16/03/2014, 19:20

Ngày tải lên: 23/03/2014, 23:20

Ngày tải lên: 25/03/2014, 11:10

Ngày tải lên: 02/07/2014, 14:21

Ngày tải lên: 07/08/2014, 22:20

Ngày tải lên: 10/08/2014, 12:21

Ngày tải lên: 14/08/2014, 20:20

... electrical charge? A: Capacitor 419. A parity error usually means a problem with? A: Memory (RAM) 21 A: Perform a full backup 254. What is the cheapest way to access the Internet? A: Dial Up access 255. ... of RAM and what? A: A swap file 445. Memory that is paged out to the hard drive is known as what? A: virtual memory Congratulations!! You have purchased one of the Troy Technologies USA Study ... AUTOEXEC.BAT? A: DOSKEY 40. Which allows faster access; RAM, ROM, or virtual memory? A: RAM 41. What batch file command will stop a batch file operation until a key is pressed? A: PAUSE 42. What...

Ngày tải lên: 11/12/2013, 14:15