ðinh lý tn tai và duy nht nghim

... OpenBoot Goal 12-4 Basic BootPROM Configurations 12-6 Systems Containing a Single System Board 12-6 Systems Containing Multiple System Boards 12-6 Controlling the POST Phase ... pkginfo Command 15-3 Command Format 15-3 Displaying Detailed Information for All Packages 15-3 Displaying Detailed Information for a Specific Package 15-4 xvii Copyright 2000 Sun ... removing accounts when users no longer require system access q Maintaining system security Monitoring and controlling system access, maintaining passwords, assigning special privileges to selected users,...

Ngày tải lên: 15/03/2014, 19:20

... Nếu người dùng gõ vào câu lệnh USE database để truy cập CSDL trường hợp chúng không kết hợp với tài khoản người dùng, thay vào chúng kết hợp với tài khoản khách 6.3.3 Quản lý tên người dùng tên ... Bây tìm hiểu cách làm để quản lý bảo mật người dùng SQL Server thông qua trình quản lý đăng nhập 6.2 Trình quản lý đăng nhập SQL Server kiểm tra người sử dụng hai cấp:   Quyền đăng nhập Các quyền ... Windows NT để xác nhận tài khoản đăng nhập mật hợp lệ Nếu tên tài khoản mật nhập vào hợp lệ người sử dụng truy cập vào SQL Server kết nối tới máy chủ  Kiểm soát quyền hạn chế độ hỗn hợp Trong chế...

Ngày tải lên: 11/09/2012, 13:54

... true? [2.5] a) The Assembly.GetTypes() returns an array of type System.Type containing objects that contain the details of all the types defined in the assembly d) The Assembly.GetAttributes() ... assembly b) The RCW contains business e) Marshalling is the process logic of converting data from one type to another c) RCW does not contain the type information of the elements contained within the ... Resources can exist either d) The NET modules contain as part of the NET assembly the Type Metadata only or as a separate file b) The NET modules contain e) The MSIL code can exist in the Type Metadata...

Ngày tải lên: 09/04/2013, 09:10

... maintaining policy files keytool—Used to create digital signatures and key pairs and to manage the keystore database jarsigner—Allows the attaching of a digital signature to a JAR file For detailed ... with an evil applet Java 1.0.2 uses IP addresses instead of hostnames to enforce the network access security levels described earlier Details about these early security flaws and their corrections ... checks of the defined policy so as to verify that the application writer really wants to allow certain operations Java 1.2 Security Policies New to Java with the release of Java 1.2 is a methodology...

Ngày tải lên: 29/09/2013, 08:20

... is contained in Module 14, ‘‘File and User Information Utilities." Displaying a Long Listing To see detailed information about the contents of a directory use the ls -l command Getting Detailed ... directory and not the information about its contents (Permissions are discussed in detail in Module 8.) Obtaining Detailed Directory Information $ cd $ ls -l dir1 total drwxr-xr-x user2 other 512 ... recently modified at the top of the list Listing Individual Directories Use ls -ld to display detailed information about a directory, but not its contents This is useful when you want to see the...

Ngày tải lên: 02/10/2013, 09:20

... permissions • Checks if you have mail and will print a mail message upon login This file is maintained by the system administrator User-Specific Initialization Files Login Sequence When you log...

Ngày tải lên: 02/10/2013, 09:20

... which gathers the lines starting with /dev and then prints the field containing the file-system name The other four variables contain the name of the system that the script is running on (UNAME), ... in days, for saved core files Any files older than this will be removed The FSLIST variable contains the list of file systems that will be checked for core files The list will vary from system ... command preserves the original file’s ownership and time stamp for the new copy Thus the new copy maintains the attributes of the original file and it appears as if the file had been moved This is also...

Ngày tải lên: 05/10/2013, 08:51

Ngày tải lên: 27/10/2013, 07:15

... under Linux using the mkfs command, it sets aside a certain portion of the disk to use for storing inodes, which are data structures that contain the actual disk block addresses that point to file ... common directory Next, you’ll learn about the part of the administrative process related to maintaining your temporary directories with the tmpwatch utility Also discussed is one of the most fundamental ... 11-1 Verifying That Services Have Their Own Accounts In this exercise, you will verify that certain system and network services run with their own accounts You should try this exercise on a system...

Ngày tải lên: 11/12/2013, 00:15

Ngày tải lên: 11/12/2013, 13:15

... document and select Yes when asked to save the file Troubleshooting Make sure that file names contain valid characters There are some characters that Windows will not allow in a file or folder...

Ngày tải lên: 11/12/2013, 15:15

Ngày tải lên: 13/12/2013, 05:15

Ngày tải lên: 13/12/2013, 05:15

... Finder shows up as Letter 6:21:2007 in Terminal Likewise, a directory named Attn: Jon in Terminal appears with the name Attn/ Jon in the Finder Weird— and fun! Tip: Note that cp replaces identically ... by itself, like this: cp * /Finished Movies Unfortunately, if the iMovie Projects directory contains other directories and not just files, that command produces an error message The Unix cp command ... ~/Documents/LakeTahoe.mov All the usual shortcuts apply, including the wildcard Here's how you'd move everything containing the word Tahoe in your working directory (files and directories) into your Documents directory:...

Ngày tải lên: 14/12/2013, 12:15

... the command line variables For instance, $1 contains the value of the first argument you entered on the command line, $2 contains the second, $3 contains the third, an so on to infinity Now, execute ... password may contain any character, and the system distinguishes between upper and lower case characters Many Unix systems implement a special security feature under which passwords must contain at least ... can be up to 14 characters in length The filename can contain any ASCII character, including control characters, except a space It may contain both upper- and lower-case, and Unix does distinguish...

Ngày tải lên: 21/12/2013, 04:19

... inbound IP fragment Details: Protocol "Unknown" Remote address (10.8.24.112)=20 Local address (192.168.24.112) 05/01/2001 15:19:49 Unused port blocking has blocked communications Details: Inbound TCP ... 4/17/00 5/26/00 5/26/00 5/26/00 5/26/00 5/26/00 5/26/00 5/26/00 5/26/00 5/26/00 EventName ProtoID SrcPort DstPort SrcPortName SubSeven 2.1 1069 27374 1069 Windows_OO 1285 139 1285 Port_Scan 55001 432 ... Offset TTL Rule # F=0x0000 T=108 (#3) Description Date and time that the packet was logged The hostname of the computer The syslog level at which the syslog event occurred Should always be ‘kernel’...

Ngày tải lên: 21/12/2013, 05:17

... information within storage tiers for cost efficiency Leverage data de-duplication and compression Retain, protect and encrypt information Facilitate Compliance with Record Retention Requirements Reduce ... Match the value of the information with the storage technology and management Help keep data retained and accessible when needed or is otherwise removed and destroyed Slow/Low 100+ Years 50 Years ... Tape Offline Tape © 2009 IBM Corporation IBM Information Infrastructure is4 Optimizes storage Retain copies of critical SAP data for extended periods of time to comply with government regulations...

Ngày tải lên: 21/12/2013, 20:15

... integrates interaction an rolebased trust with witness and certied reputation that also relate closely to our model A key aspect of the behaviour of trading partners is the way in which they enact their ... they enact their commitments The enactment of a contract is uncertain to some extent, and trust, precisely, is a measure of how uncertain the enactment of a contract is Trust is therefore a measure ... advising that a certain amount of money has been credited to s account) then may conclude that the goal that chose to satisfy was something other A Map of Trust between Trading Partners 11 than...

Ngày tải lên: 17/01/2014, 02:20

... shares that contain data generated by the same application A share named Microsoft Access Files would be a bad idea For example, we manage several hundred servers, and they all contain Microsoft ... the account and click Apply Check the Replace owner on subcontainers and objects to take ownership of all child subfolders and files contained by the parent folder Copying and Moving Often, you ... a container within the same volume, the permissions assigned to the object are dropped, and the object and its contents and children inherit the permissions assigned to the destination container...

Ngày tải lên: 17/01/2014, 08:20

Ngày tải lên: 24/01/2014, 06:20