True or False? (1)In addition to normal or forward name resolution, DNS provides reverse name resolution, so that you can look up IP addresses given a domain name. () (2)DNS caches are authoritative and either answer queries from cache or forward queries to another server. (3)In Linux it is not possible to have directory hierarchies automatically mounted on demand and unmounted when they are no longer needed – usually after a few minutes of inactivity

Q: Suppose the current denial state of a file in NFS is WRITE. Is it possible that another client can…

A:

Q: An is the kind of server in two-tier systems that provides clients with data stored on disc pages.…

A: Disc page It is electrophoresis in a dis-continuous electrolyte framework.

Q: By using a Distributed File System (DFS), a user can see the directory of a remote machine in a…

A: A Distributed File System (DFS) is a file storage system that allows files and directories to be…

Q: Select all that applies. In addressing limitations on how to wait for output using kernel buffers,…

A: Select all that applies. In addressing limitations on how to wait for output using kernel buffers,…

Q: When compared to other disk scheduling algorithms, how risky is the SSTF method?

A: Introduction Shortest Seek Time First: The technique known as SSTF, or Shortest Seek Time First, is…

Q: The OS uses a bitmap data structure to keep track of whether or not a partition is empty or full.…

A: In computer operating systems, it is essential to keep track of the allocation of space in a…

Q: In Demand Paging Allocation Scheme, Page Map Table contains info to determine if the page contents…

A: In Demand paging Allocation scheme  Page Map Table contains info to determine if the page contents…

Q: Describe the techniques for handling concurrent access issues when multiple processes or threads…

A: Managing access to shared resources such as files is crucial in concurrent programming to ensure…

Q: Q 6:- A system uses 3 page frames for storing process pages in main memory. It uses the (FIFO) page…

A: The answer is given in the below step

Q: Book reference: Windows PowerShell Step by Step 3rd Edition - Ed Wilson Subj: PWS0 - PowerShell Q1.…

A: I have provided this answer in step-2.

Q: As the system administrator, you have enabled DFS replication. After a while, users complain that…

A: Distributed File System Replication (DFSR) is used to duplicate data from DFS file locations in a…

Q: Distinguish between

A: Symbolic addresses are used in symbolic addressing which is an addressing scheme  where some…

Q: Consider the Unix i-node which uses 12 direct DBAs, 1 single indirect, 1 double indirect, 1 triple…

A: INTRODUCTION: A collection of data kept in the secondary memory is known as a file. Files are used…

Q: e the variations in approach to least privilege between UNIX/Linux and Windows.

A: In UNIX/Linux systems, the concept of least privilege is typically implemented by dividing users…

Q: When debating the merits of deep vs shallow access, programmers should avoid focusing only on…

A: When programmers are discussing whether it's better to have deep access (which means directly…

Q: An is the term given to the sort of server used in two-tier systems to distribute data stored on…

A: The two-tier structural design is a client-server structural design where the member of Staff…

Q: A local write system call is not an idempotent operation but the write remote procedure call in NFS…

A: The correct answer is option(d) Each procedure call contains a unique sequence number so the…

Q: Bitmap data format lets the OS track free and full partitions. How do bitmaps show allocation unit…

A: A bitmap is a data arrangement used in processor systems to direct and remain track of Storage…

Q: GFS snapshots enable nearly instantaneous copies of huge files or entire directory structures. How…

A: Here is your solution -

Q: A disc-page server is a kind of server used in two-tier architectures to provide access to data…

A: Please find the answer in next step

Q: The UNIX I-node contains 8-direct disk block addresses, a single indirect and a double indirect…

A: The Answer is

Q: An is the kind of server in two-tier systems that provides clients with data stored on disc pages.…

A: A is a kind of server that is used in two-tiered systems and is responsible for providing clients…

Q: h data block is of nas 10 direct data ditional addresses: K, one for double ple indirect block. ain…

A:

Q: What are the benefits of a two-level directory over a single-level directory? What are the benefits…

A: Introduction The benefit of a two-level directory over a single-level directory is the subject of…

Q: A splitstream update, for example, may be described in terms of how it affects the system's ability…

A: Introduction: Maintaining the system User and business objectives are met through system…

Q: Why is it so crucial to avoid moving EFS-encrypted data to a non-NTFS partition

A: On Microsoft Windows, the Encrypting File System (EFS) is a feature introduced in NTFS 3.0 that…

Q: Explain why a browser decides to send a GET request to a server for a resource even it has a copy of…

A: A browser first checks with the server before sending a response to the client's request, to check…

Q: Why is it important to notmove files that have been encrypted with EFS to a non-NTFS partition?

A: Encrypted file system (EFS) is windows' encryption feature for files. It provides security at…

Q: Path attacks...     manipulate the current working directory path to execute malicious binaries…

A: The solution to the given problem is below.

Q: A bit is set whenever a page is referenced to help the OS choose which page to evict when a page…

A: Step 1:A reference bit (also known as an access bit) is set whenever a page is referenced to help…

Q: Suppose the OS on your computer uses the Buddy system for memory management. Initially the system…

A: Buddy system:Buddy system is an allocation method in which given memory’s size is in the power of…

Q: When replacing pages, a dirty bit can be used to improve system performance ... by eliminating page…

A: 1) The "dirty bit" is a flag in computer memory that is set to indicate whether a particular page of…

Q: The NX (“no execute”) bit can also be supported by modern CPUs. To force a CPU to avoid running the…

A: Please see the next step for answer.

Q: In two-tier systems, the sort of server that serves data to clients stored on disk pages is known as

A: In a two-tier architecture is the client is on the first tier.

Q: The following figure depiets an i-node: File attributes Address of block 0 Address of block 1…

A: Number of direct addresses = 8size of file = (8*1024 + 128*1024*1024) KB = 131080MBytes.

Q: An is the kind of server in two-tier systems that provides clients with data stored on disc pages.…

A: These question answer is as follows

Q: Local DNS name servers A. never cache resource records B. cache resource records, but discard them…

A: Local DNS name servers The correct option is option b.  cache resource records, but discard them…

Q: ck pointers. dress is 32 b of file is

A:

Q: one si pointe addre

A:

Q: Assume that you have a disk that has 191 tracks (numbered 0- 190) and the header current position is…

A: FCFS: First Come First Serve It is similar to FIFO. It is simple, fair approach but perhaps not the…

Linux

An operating system (OS) is the software which manages hardware and resources, like CPU, storage and memory. The OS bridges the applications and hardware and makes the connections between all of your software and the hardware resources.