3d052 CDC Vol 2 UREs

In the UNIX vi editor, the "Command" mode allows users to execute set commands. In this mode, users can enter various commands such as saving the file, searching for text, replacing text, and other editing operations. The "Edit" mode is used for modifying the text content, the "Text input" mode is used for inserting new text, and the "Append" mode is used for adding text after the current cursor position. However, it is in the "Command" mode where users can execute specific commands to perform various actions on the text.

Secure Socket Layer (SSL) is commonly used for managing the security of a message transmission on the Internet. SSL provides encryption and authentication mechanisms to ensure secure communication between a client and a server. It establishes a secure connection by encrypting the data transmitted between the two parties, preventing unauthorized access and protecting the integrity of the message. SSL is widely used for secure online transactions, such as e-commerce websites, online banking, and email services. It has been widely replaced by Transport Layer Security (TLS), but SSL is still commonly referred to when discussing secure communication protocols on the Internet.

A dynamic host configuration protocol (DHCP) server is responsible for assigning IP addresses and network configuration settings to devices on a network. The minimum number of scopes a DHCP server can have is one. A scope is a range of IP addresses that the server can assign to devices. Having at least one scope is necessary for the DHCP server to function properly and allocate IP addresses to connected devices.

The System Attendant service is the first service launched when Microsoft Exchange starts and the last to stop when it is shut down. The System Attendant is responsible for various tasks such as managing recipient policies, generating address lists, and monitoring the overall health of the Exchange server. It is an essential component that ensures the proper functioning of Exchange and its associated services.

Programming machine code refers to instructions that are written in a format that the computer can understand and execute. This code is typically written using low-level programming languages and is specific to the hardware architecture of the computer. It is the most basic form of instructions that a computer can execute directly without any translation or interpretation.

The UNIX command "cd" allows you to move to different directories within a file system using absolute or relative pathnames. This command stands for "change directory" and is used to navigate through the file system by specifying the path of the desired directory. By using "cd" followed by the path, you can switch to a different directory and continue your work within that location.

The key to shutting down an xterm window is to know which of your programs is the controlling program. This means that in order to close the xterm window, you need to identify the program that is currently controlling or running within the window and terminate it. Once the controlling program is stopped or exited, the xterm window will also close.

Group Policy Objects (GPOs) are a set of rules that can be set to affect Active Directory leaf objects. GPOs are used to control what can be done by a user in an Active Directory environment. They allow administrators to manage and enforce various settings, such as security policies, software installation, and user preferences, across multiple computers and users within a domain. By applying GPOs, administrators can ensure consistent and centralized control over the configuration and behavior of Active Directory objects.

The correct answer is File System. The file system in UNIX provides a logical structure for organizing and managing data. It allows users to store, retrieve, manipulate, and manage files and directories in a hierarchical manner. The file system ensures that data is stored in an organized and efficient manner, making it easy for users to access and work with their files. It is an essential component of the UNIX operating system.

At the end of the week, a normal backup would be used to save all the selected data on the systems. A normal backup is a full backup that copies all the selected data regardless of whether it has changed or not. This ensures that all the data is backed up and can be restored in case of any data loss or system failure. Incremental backups only save the data that has changed since the last backup, differential backups save the data that has changed since the last full backup, and daily backups save the data that has changed since the last backup, regardless of its type.

The correct answer is grep. Grep is a UNIX command that is used to search for a specified pattern or string within a file. It scans the file line by line and displays any lines that contain the specified pattern. Grep is a powerful tool for searching and filtering text in UNIX systems.

The touch command in UNIX sets access and modification times for each file to the current time. This command is commonly used to update the timestamp of a file or create a new file if it doesn't exist. By running the touch command, the access and modification times of the specified file(s) are automatically set to the current time, allowing users to keep track of when files were last accessed or modified.

Network attached storage (NAS) is a storage device that can be easily connected to a network and appears as a network drive. It allows multiple users to access and share files over a network, making it a convenient solution for storing and managing data in a network environment. Unlike a storage area network (SAN) or a redundant array of independent disks (RAID), which are more complex and typically used for specific purposes, NAS is designed for simple and straightforward file sharing and storage. RHD is not a recognized storage device or technology.

Iconifying is the action that puts unneeded windows out of the way without quitting the program inside them. When a window is iconified, it is minimized and represented by an icon on the desktop or taskbar, allowing the user to quickly and easily access it when needed. This helps in managing multiple windows and decluttering the workspace without closing the program completely.

A standard Web application used to pass a Web user's request to a server's application program and to exchange data back to the user is called a Common Gateway Interface (CGI). CGI is a protocol that allows communication between a web server and a server-side program. It enables the web server to pass user requests to the server-side program, which then processes the request and sends the response back to the web server for display to the user. This allows dynamic content generation and interaction with databases or other resources on the server.

The UNIX command "pwd" stands for "print working directory" and it is used to display the current working directory. It is a commonly used command to quickly check the directory path that the user is currently in.

A parity bit is a very simple example of an error detecting code. It is a single bit added to a binary code to detect errors during transmission. The parity bit is set to either 0 or 1, depending on whether the number of 1s in the code is even or odd. During transmission, the parity bit is recalculated at the receiving end, and if it doesn't match the expected value, an error is detected. This method is simple and efficient in detecting single-bit errors, making it a commonly used error detection technique.

Name Servers contain a database of associated names and IP addresses. They are responsible for storing and managing the domain name system information. When a user enters a domain name into a web browser, the Name Servers are queried to find the corresponding IP address for that domain name. They maintain the database of all registered domain names and their corresponding IP addresses, allowing for the translation of human-readable domain names into machine-readable IP addresses.

SCSI (Small Computer System Interface) is often used in redundant array of independent disks (RAID) arrays that can be daisy chained. SCSI is a high-performance interface that allows multiple devices to be connected to a single host adapter. It supports multiple devices in a chain, allowing for easy expansion and scalability in RAID arrays. SCSI also provides faster data transfer rates and better performance compared to other technologies like SATA or PCIe, making it a preferred choice for RAID configurations.

The correct answer is Fibre channel. Fibre channel is the preferred connection type for storage area networks (SAN) because it provides high-speed and reliable data transfer between servers and storage devices. It offers high bandwidth, low latency, and the ability to connect multiple devices in a network. Fibre channel also supports long distances and can be used for both block-level and file-level storage. It is commonly used in enterprise environments where high-performance storage and data access are critical.

Dynamic Host Configuration Protocol (DHCP) is a software program that manages the allocation of IP addresses for a network. It automatically assigns IP addresses to devices on the network, eliminating the need for manual configuration. DHCP also provides other network configuration information, such as subnet mask and default gateway, to the devices. This allows for efficient management and administration of IP addresses within a network.

High-order languages are known for being nearly self-documenting, using English-like statements, and allowing programs to be easily transported between computers with few changes. However, they are not characterized by source codes that are written closest to machine language. High-order languages are designed to be more user-friendly and abstracted from the low-level details of the machine, making programming easier and more efficient.

The 0 following the c in the device name c0t6d0s7 represents the controller. In UNIX-based operating systems, the device name is typically composed of several components that indicate the controller, drive number, and partition. In this case, the 0 indicates the controller, specifying which interface or controller the device is connected to.

To make the changes permanent in a sequential query language (SQL), you would use a "Transaction" statement. A transaction is a set of SQL statements that are executed as a single unit. It allows you to ensure that all the changes made to the database are either committed (made permanent) or rolled back (undone) as a whole. By using a transaction, you can maintain data integrity and consistency by ensuring that all changes are successfully completed or none are applied at all.

The floppy disk controller usually uses IRQ line number 6. IRQ lines are used by devices to request the attention of the CPU. Each device is assigned a specific IRQ line number to communicate with the CPU. In this case, the floppy disk controller uses IRQ line 6 to send and receive signals to and from the CPU.

Using a storage area network (SAN) architecture provides the advantage of ease in replacing servers. SAN allows for the separation of storage resources from the servers, enabling the servers to be easily replaced without affecting the storage infrastructure. This means that if a server fails or needs to be upgraded, it can be swapped out without disrupting the storage system, minimizing downtime and increasing flexibility in managing the infrastructure.

The system administrator needs to use the "catman" command to create the manual database before users can access the "man -k" command.

Portability refers to the ability of a program or software to run on different types of hardware with minimal modifications. It allows the program to be easily transferred or adapted to different operating systems or platforms without significant changes. This ensures that the program can be used on various devices and architectures, making it versatile and convenient for developers and users.

The 7 in the device name c0t6d0s7 represents the partition. In this naming convention, c0t6d0s7 indicates that the device is connected to controller 0, target 6, drive 0, and partition 7. The partition number is used to identify specific sections of a storage device that have been divided for different purposes or operating systems.

Hard links are created using the UNIX command "ln". The "ln" command is used to create a link between files or directories. A hard link is a direct link to the inode of a file, which means that it points directly to the file's data on the disk. This allows multiple names to refer to the same file, and any changes made to the file will be reflected in all of its hard links.

Named Pipes in UNIX enable programs to communicate with each other through the file system. They provide a way for processes to exchange data by reading and writing to a special type of file called a named pipe or FIFO. Named pipes act as a bridge between processes, allowing them to send and receive data as if they were reading from and writing to regular files. This mechanism is commonly used for inter-process communication in UNIX systems.

The act of choosing the window you type is called setting the input focus. This means that when you set the input focus on a particular window, it becomes the active window and any text or input you type will be directed to that window. The other options mentioned, such as "active window," "x window," and "window manager," do not accurately describe the specific action of choosing the window for typing, which is setting the input focus.

The correct answer is to quit all non-controlling programs. This means that before closing the xterm session, any programs that are running in the background and are not directly controlled by the user should be terminated. This ensures that all processes are properly ended before exiting the session.

Active Directory is based around a central directory database containing information about all the domain controllers in the network. It is a service provided by Microsoft Windows operating systems that allows for the centralized management and organization of network resources, including user accounts, computers, and other devices. Active Directory enables administrators to control access to resources and implement security policies across the network. It also provides a hierarchical structure for organizing objects and allows for the delegation of administrative tasks.

The UNIX command "chmod" is used to change permissions on a shell script. It allows the user to modify the permissions for the file owner, group, and others. The "chown" command is used to change the owner of a file, "chgrp" is used to change the group ownership of a file, and "chper" is not a valid UNIX command. Therefore, the correct answer is "chmod".

The correct answer is "chgrp". The chgrp command in UNIX is used to change the group ownership of one or more files. It allows the user to specify the new group ownership for the specified files, granting the specified group the same level of access as the previous group. This command is useful for managing file permissions and access control within a UNIX system.

Permissions define the rules by which operations can be performed on a particular resource. Permissions determine what actions can be taken on a resource, such as read, write, or execute. They specify the level of access that a user or group has to a resource and help enforce security policies. By assigning appropriate permissions, organizations can control who can access and manipulate resources, ensuring that only authorized individuals have the necessary privileges. Access control lists and other mechanisms are used to implement and manage permissions effectively.

Sharing is a feature of networking that allows individuals to designate resources they want other users to be able to access through the network. This feature enables users to share files, folders, printers, and other resources with specific individuals or groups on the network. By granting access to these resources, users can collaborate, exchange information, and work together more efficiently. This feature is commonly used in home networks, office networks, and cloud-based platforms to facilitate file sharing and collaboration among users.

In Exchange System Manager, the container that holds configuration objects such as Queues, Mailbox stores, Public Folder stores, and protocols information is the "Servers" container. This container is responsible for managing and organizing the various servers within the Exchange environment. It allows administrators to view and configure server-specific settings and properties, making it a crucial component for managing the Exchange infrastructure.

To save the buffer contents and stay in the same file while using UNIX vi, you would enter "w". This command allows you to write the changes made to the file without exiting the vi editor.

A global catalog server contains the master listing of all active directory objects in the forest. It stores a partial replica of every object in the forest, allowing users to search for objects and access information quickly. This server is responsible for handling queries across domains in a multi-domain environment. It helps in speeding up the search process by providing a centralized location for accessing directory information.

Most UNIX system administrators and users tend to use 14 characters for filenames. This is because the UNIX file system has a maximum filename length of 255 characters, but it is recommended to keep filenames shorter for ease of use and compatibility with different systems. A 14-character limit strikes a balance between having descriptive filenames and avoiding excessive length.

Character devices in UNIX provide a mechanism for communication with system device drivers through the file system one character at a time. Unlike block devices that transfer data in fixed-size blocks or sockets that enable communication between processes over a network, character devices allow for reading from or writing to devices one character at a time. This is useful for devices that operate on a stream of characters, such as keyboards, serial ports, or terminals. Named pipes, on the other hand, are a different mechanism used for interprocess communication, not specifically for communication with device drivers.

A Storage Area Network (SAN) is a way of utilizing a group of storage devices as if they were physically connected to a server when they are not. It allows multiple servers to access the storage devices over a high-speed network, providing centralized storage management and increased storage capacity. SANs are commonly used in enterprise environments to improve storage performance, availability, and scalability.

Simple Network Management Protocol (SNMP) is not a component of Internet Information Services (IIS). IIS is a web server software package developed by Microsoft that provides various services for hosting websites and applications. The other options listed, such as FTP Server, Internet Services Manager, and Simple Mail Transport Protocol (SMTP), are all components or features commonly associated with IIS. SNMP, on the other hand, is a protocol used for managing and monitoring network devices and is not directly related to IIS.

A copy of the active directory database resides on domain controllers. Domain controllers are servers that store and manage the active directory database, which contains information about all the objects in a domain, such as users, groups, and computers. This database is crucial for the functioning of the domain, as it allows for authentication, authorization, and other directory services. Therefore, domain controllers are responsible for maintaining and replicating the active directory database across the network.

A non-recursive query is made by one name server to another name server. In a non-recursive query, the name server being queried does not provide the complete answer to the query, but instead refers the querying server to another name server that may have the answer. This process continues until the querying server receives a complete answer or reaches a timeout. Non-recursive queries are commonly used in DNS resolution to efficiently distribute the workload among multiple name servers.

The special identity "Interactive" represents users who are currently logged on to a particular computer and accessing a given resource located on that computer. This identity is used to differentiate users who are physically present at the computer and interacting with it directly, as opposed to users accessing the computer remotely or through a network connection.

A set of data elements organized using a model of horizontal rows and vertical columns whose data is calculated in response to a query is called a view. A view is a virtual table that is based on the result of a query and does not store any data. It provides a way to present data from one or more tables in a customized manner without actually modifying the underlying tables. Views are used to simplify data access, provide security restrictions, and present data in a specific format for reporting or analysis purposes.

The correct answer is "Multi-session manager." In UNIX, the multi-session manager package of programs allows a terminal to handle multiple sessions simultaneously. This package enables users to open multiple windows or terminals and switch between them, thus facilitating multitasking and efficient use of system resources.