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310-200 Sun Certified System Administrator for the Solaris 10 OS, share I

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310-200 exam Dumps Source : Sun Certified System Administrator for the Solaris 10 OS, share I

Test Code : 310-200
Test denomination : Sun Certified System Administrator for the Solaris 10 OS, share I
Vendor denomination : SUN
real questions : 354 existent Questions

310-200 Questions and Answers required to pass the certification exam at first attempt.
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SUN Sun Certified System Administrator

solar certified materiel Administrator: Job Description & requirements | existent Questions and Pass4sure dumps

licensed Solaris system administrators are information technology (IT) gurus who installation and retain community servers operating one of the Solaris working equipment, at the jiffy purchasable through the Oracle organization. they're continually employed by means of groups and other organizations with computer networks that use the company's open supply utility products. As techniques administrators, they might likewise also oversee different IT personnel and respond to questions and upkeep requests from workplace worker's.

education Bachelor's degree in tips know-how or desktop science informed Job potential Troubleshooting, analytical thinking, multitasking, communication income scope (2016)* $87,400 to $104,762 with sun licensed materiel Administrator credentials Job extend (2014-2024)** eight% for network and laptop methods administrators

supply: *Payscale, **U.S. Bureau of Labor records

Required training

Most systems administrators occupy completed a Bachelor of Science in tips expertise, computer Science or a connected container. Core coursework usually contains issues in programming languages and techniques, networking and systems design. Solaris certifications can be establish throughout the Oracle commerce enterprise in network, security and systems administration. necessities encompass a passing ranking on an exam, which candidates can apportion together for through enrolling in courses on the Oracle Academy or an accepted practising core, reviewing seminar programs and taking apply exams.

knowledge Required

programs administrators are analytical thinkers who're capable of troubleshoot issues for gigantic agencies of network gadget clients. worrying instances require clear, quick thinking, and can involve working long hours until the rigor is fastened. The potential to multitask may likewise be advantageous when managing a yoke of challenge at a time. communication lore are key when working with nontechnical personnel participants.

career and income Outlook

The U.S. Bureau of Labor facts (BLS) envisioned that jobs for system directors in commonplace will enhance by using a regular tempo, eight% from 2014 to 2024. certified device administrators will relish astounding job potentialities, as agencies more and more signify on full-time authorities to keep their computer operating systems. in response to, licensed techniques directors for Solaris operating techniques earned between $87,four hundred and $104,762 in may additionally 2016.

Oracle certified expert (OCP) - Oracle Solaris system Administrator | existent Questions and Pass4sure dumps

related elements: Books   

This seller-selected Certification is offered with the aid of:Oracle CorporationRedwood Shores, CA USAPhone: 800-672-2531

skill level: Intermediate                          fame: lively

cost-effective: $1465 (shortest music)                practising Required

summary:for people who duty standard materiel administration procedures on the Solaris operating system and are liable for administering a networked server working on the Solaris OS. OCP Solaris certification covers materiel administration capabilities such as configuring network interfaces, managing swap configurations, crash dumps, and core data. This certification become previously referred to as solar licensed device Administrator (SCSA).

preliminary necessities:You necessity to complete some of the permitted instructor-led online or in-category courses ($1420/self examine - $5000). You occupy to then flux the Oracle Solaris superior device Administrator examination ($245). eventually, you necessity to complete the direction Submission kind.

carrying on with requirements:None exact

OCP Pay Chart:

Offline supplies:both instructor-led and CBT courses are available from solar.

See complete Oracle Certifications

dealer's web page for this certification

sun Flyer 2 Completes First Flight With Siemens electric Propulsion Motor | existent Questions and Pass4sure dumps

Bye Aerospace’s electric solar Flyer 2 successfully completed the first reputable flight gawk at various with a Siemens electric propulsion motor February 8 at Centennial Airport, south of Denver, CO.

The sun Flyer family of aircraft, including the two-seat solar Flyer 2 and the four-seat solar Flyer four, aims to be the primary FAA-licensed, functional, all-electric airplanes to serve the flight practising and customary aviation markets. Siemens will supply electric powered propulsion systems for the sun Flyer 2 airplane—the fifty seven lb.-SP70D motor with a 90kW peak rating (120 HP), and a constant vigour atmosphere of up to 70kW (94 HP).

solar Flyer brings the whole engage of electric powered propulsion to the market with secure, purposeful and undoubted electric powered aircraft. The all-electric operation requires no aviation fuel and outcomes in zero emissions and enormously lower racket pollution compared to balanced aircraft. The swish solar Flyer design likewise facets stronger pace and altitude efficiency with extraordinarily low operating charges.

George E. Bye, CEO of Bye Aerospace, the developer of the sun Flyer, pointed out the prefatory flight with the Siemens motor went flawlessly. “The aircraft performed precisely as deliberate,” he noted. “My due to the entire Siemens team for their participation as they enter this subsequent, vital flight verify share of solar Flyer 2 with the Siemens electric powered propulsion equipment.”

sun Flyer 2’s application software to the FAA was authorised under some distance 23 certification criteria in the spring of 2018. The solar Flyer 2 prototype will conduct extensive extra flight verify actions in 2019 and continue to work carefully with FAA representatives on certification actions. present flight gawk at various focal point areas are propulsion device, envelope growth and systems optimization.

“This a success test flight is a disdainful jiffy for the Siemens and Bye Aerospace groups and marks a milestone in bringing the age of electric powered flight to lifestyles,” talked about Dr. straightforward Anton, government vp and Head of eAircraft, Siemens. “The Siemens electric propulsion materiel offers a clear, cost-effective and silent propulsion option to the flight practising market devoid of compromising efficiency or safety.”

Globally, Siemens eAircraft expertise is assisting lead the aviation industry in electrification and hybrid propulsion, materiel integration, service and situation-primarily based monitoring. The company has prior to now geared up European mild and game aircraft with electric propulsion techniques up to 260kW for check purposes and is additionally constructing propulsion expertise in power courses as much as 10MW to permit electrification of plane in the industrial air transport sector. Siemens electric powered motor know-how has powered aircrafts to set two pace facts, achieve the world’s first aero tow by artery of an electrical airplane, and set a current world climb record with an altitude of 3,000 meters in 4 minutes and 22 seconds.

(photographs provided with Bye Aerospace information unlock)


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Open-source storage explained | existent questions and Pass4sure dumps

Open-source storage software is freely available, but it's the rare IT department that's willing to cobble it together with hardware to build a storage system.

Corporations are more likely to use it by happenstance, acquiring it through storage systems they buy from major vendors, some of which embed open-source technology into their products.

Other companies are game to try software applications served up with champion contracts from a scattering of petite vendors, such as Zmanda Inc. and Bacula Systems SA in the backup space. And the truly industrious might ferret out nascent open-source storage projects on

Still, enterprise IT organizations are typically so worried about data loss that they attend to favor storage products from established vendors. That's why Sun Microsystems Inc.'s current  Sun Storage 7000 Unified Storage Systems, billed as "open storage appliances" and formerly known by the denomination Amber Road, occupy created a stir in the market.

Launched in November, Sun's 7000 family of storage products is based on industry-standard hardware and a software stack that includes a substantial amount of open-source technology.

Sun's open-source software

The Sun stack includes the OpenSolaris operating system, with its default ZFS file system featuring simple administration, end-to-end data integrity and scalability. OpenSolaris supports not only NFS but CIFS, through an in-kernel implementation, to enable file access with Windows-based systems. Users who prefer Samba for file-and-print services to CIFS clients can use that open-source technology.

"In terms of vendors of note, Sun is the only one that's really promoting the open-source storage approach," says Roger Cox, a research vice president in Gartner Research. "What they're trying to Do is secure various evolution communities to seize their software, Solaris/ZFS, and add some modifications to it, add some value to it and create storage solutions based on that technology, which then allows Sun to obtain money based on maintenance."

Two vendors -- greenBytes Inc. and Nexenta Systems Inc. -- occupy already picked up the torch and built storage systems based on Solaris and ZFS. But it's too early to repeat if Sun will be able to capitalize on the model that made Linux grow in popularity.

"It does occupy promise," says Cox, "in the sense that this can occupy a major impact in terms of reducing costs for storage, particularly in today's economic environment with people not having the kindly of money they've had in the past. Storage data doesn't stop growing, and they occupy to replace products that occupy reached their [end of] lifecycle."

What caught the attention of Gene Ruth, a senior storage analyst at Midvale, Utah-based Burton Group, is the artery the ZFS file system has been adjusted to leverage the capability of solid-state disk (SSD). "They're one of the first to tender solid-state disks that are uniquely integrated into the storage system," says Ruth.

ZFS automatically writes current data to the write cache located on an SSD and determines data access patterns and stores frequently accessed data on an SSD, according to Sun.

John Webster, principal analyst at Nashua, N.H.-based Illuminata Inc., says the reseller community isn't typically attracted to Sun storage, yet it appears to like the current open technology. If interest in Sun's current systems grows, that likewise might spark more interest in open-source storage technology in general, as the storage world continues toward commoditization.

"There's significant momentum developing behind this open-source storage movement. I don't know how far it's going to go. Certainly, there are going to be some resisters, and certainly the IT community isn't going to buy off on this concept overnight," says Webster. "But I arbitrator it's going to grow in magnitude and will become a significant threat to the more proprietary forms of storage that they now see. The IT community will always be attracted to functionality at a lower cost."

User challenges

However, users might not want to be the ones pile the systems. Those who Do often find they necessity to expend increasing levels of endeavor to tune and maintain them, especially if the systems are heavily customized.

Chelmsford, Mass.-based OurStage Inc., a Web site catering to current music, noticed slack storage performance six months after putting together a mixed NAS and iSCSI system using CentOS Linux, which is based on code from Red Hat Inc., running on white-box hardware from Tyan Computer Corp. and Super Micro Computer Inc. Ultimately, the tech team hit a wall in its comprehension of the causes and its attempts to tune around them.

"The farther you go, you occupy to apportion more and more work in to secure less and less gain," says impress Niedzielski, infrastructure manager at the Web startup. OurStage, which joined Sun's Startup Essentials program, now runs OpenSolaris on three white boxes and one of Sun's Storage 7210 Unified Storage boxes.

Red Hat's storage capabilities

Sun isn't the only one claiming its operating system is conducive to storage. Red Hat says its  Red Hat Enterprise Linux Advanced Platform (RHEL-AP) offers significant storage capabilities, which are embedded in storage hardware or available as layered software products.

For instance, RHEL-AP's clustered file system -- Global File System (GFS) -- provides cluster-wide, fully synchronized, parallel read/write access to shared storage, according to Nick Carr, Red Hat's marketing director.

RHEL-AP likewise includes a analytic volume manager (LVM) to manage a large, disparate physical storage configuration as a separate analytic entity. Other capabilities involve champion for standard RAID levels, cloning, multiple read/write snapshots and multipathing.

Linux can likewise be used as a server with champion for CIFS, NFS and iSCSI block clients, as well as champion for Fibre Channel (FC), Fibre Channel over Ethernet (FCoE), iSCSI (host and target), and 10 GB Ethernet, according to Carr.

Users occupy the option of pile their own systems or deploying a pre-built, tested, certified and supported package through a Red Hat subscription.

Open-source backup

Open-source storage doesn't stop at the operating and file systems. Zmanda, for example, espouses the Red Hat model and offers a freely downloadable community edition of its  Amanda network backup software, as well as an enterprise edition that it has sold as an annual subscription since 2007.

Zmanda CEO and founder Chander Kant says the software, which is based on an open-source project at the University of Maryland, has attracted a following at universities, small- and medium-sized businesses (SMBs), and even departments at some Fortune 1000 companies. Zmanda, which launched in 2005, finished ahead of diagram in the final quarter of last year despite the failing economy, according to Kant.

"In general, what they find in these economic times is that bells and whistles aren't so vital for administrators. But they Do want a backup solution," says Kant.

Chris Hoogendyk, systems administrator for the biology and geology departments at the University of Massachusetts in Amherst, says the main driver for open-source storage was the cost-benefit analysis. He says he typically has to wait for a department to budget for tape libraries.

"Open source doesn't cost you an arm and a leg and, in this case, it's mature enough that it has everything you need," says Hoogendyk, who's been responsible for backup on network systems since 1992. "In addition, there's a whole issue that you've got an open and fairly great community of people who waiton each other and provide information and contribute to the development. And if you occupy any questions about how it works, you can actually open it up and gawk at the code."

Hoogendyk has been using the community edition of Zmanda for approximately two years and now does part-time consulting on behalf of Zmanda, providing champion on its online forums.

Kant says the biggest judgement customers whirl to Zmanda, other than cost, is its champion of open and standard formats for storing data -- tar for Linux and Unix, and ZIP for Windows. He adds that Zmanda likewise uses industry-standard compression and encryption algorithms.

"Systems administrators can retrieve their data with standard operating system utilities, even if their software isn't around," says Kant.

Zmanda's software runs on Linux or Solaris servers, and an agent runs on every system that a user wants to use. The product will use the backup media of the customer's choice, whether tape, disk array or the storage cloud, including Amazon's Simple Storage Service (S3), says Kant.

"Backup is considered a mature market, but as tapes reach out of favor and technologies like backup to disk and the storage cloud become more popular, that creates a huge opportunity for vendors like us," adds Kant.

Backup software isn't the only area that open source has touched in storage. Sun, for instance, likewise has an open-source Storage Archive Manager that's tightly integrated with its high-performance, 64-bit Solaris SAN-based Quick File System (QFS) file system, which is likewise open source. Sun likewise maintains and supports the Lustre clustered file system.

Among the other open-source offerings are  FreeNAS software, which includes champion for CIFS, NFS, iSCSI and software RAID; and Self-Monitoring, Analysis and Reporting Technology System (SMART) tools.

"For this year, there'll be a lot of talk and awareness centered around the value proposition of using open source to avoid costs. However, there needs to be better articulation of the total cost of ownership, [intellectual property] ownership and transfer," says Greg Schulz, founder and senior analyst at StorageIO Group in Stillwater, Minn. "Five years out, they should certainly see more uptake in open-source solutions in general and particularly where open-source technologies are integrated or share of commercial packaged solutions."

Managing Solaris OS System Processes | existent questions and Pass4sure dumps

This chapter discusses complete the basic concepts for managing system processes in the Solaris Operating System.

This chapter is from the reserve 

Covered in this chapter:

  • Conditions of a process in Solaris
  • Different states of a process
  • Process context information
  • Different commands and utilities present for monitoring and controlling the system processes in Solaris
  • Process Manager utility for monitoring, controlling, and scheduling the system processes in Solaris
  • The process is one of the fundamental abstractions of Unix. In Unix, every protest is represented as either a file or a process. With the introduction of the /proc structure, there has been an endeavor to represent even processes as files.

    A process is an instance of a running program or a program in execution. It can be any job that has an address space, executes its own piece of code, and has a unique process ID (PID). A process can create another process called a child process. Any process that creates the child process is called the parent process. This creation of current processes from existing parent processes is called forking (after the C duty called fork()). Most processes in the system are created by fork system calls. The fork system convene causes the current process to be split into two processes: a parent process and a child process. The child process continues to execute on the CPU until it completes. On completion, the child process returns to the system any resources that it used during its execution. While the child process is running, the parent process either waits for the child process to complete or continues to execute. If the parent process continues to execute, it periodically checks for the completion of the child process.

    Running multiple processes has an impact on system performance because the processes consume system resources, such as memory and processor time, and some processes may even antecedent the system to hang. Managing processes becomes vital in a multiuser environment such as Solaris. Managing processes involves monitoring the processes, finding the resource usage, finding the parent processes that occupy created child processes, assigning priority for processes, scheduling processes, and terminating processes.

    From a system administrator perspective there are three broad categories of tasks associated with the management of the systems processes:

  • Monitoring the processes
  • - Viewing the PID, UID, and PPID
  • - Viewing the priority of the process
  • - Viewing the resource usage (in terms of memory and processor utilization)
  • - Viewing the status of the process, etc.
  • Controlling the processes
  • - Using signals
  • - Assigning the priority to the processes
  • Scheduling the processes
  • 6.1.1 status of a Process

    A process undergoes many changes during its lifetime. For example, if a parent process waits for the child process to complete execution, the parent process puts itself in sleep state. Such a change from one status to another status is known as context switching. During its lifetime a process can exist in any of these four states: Ready or Runnable, Running, Sleep, and Zombie. A runnable process is ready to execute whenever CPU time is available. It has acquired complete the resources it needs and is just waiting for the CPU to become available. If the process is in the elope state, it means that the process is running on the CPU. In the Sleep state, the process waits for a child process to complete or waits for a resource to become available. Zombie is the phase in which the child process terminates, but its entry is not removed from the process table until the parent process acknowledges the death of the child process by executing wait() or waitpid() system call. In this case, the child process is said to be in a Zombie state. Zombie processes are likewise called as defunct processes.

    6.1.2 Process Context

    Solaris is a multitasking, multiprocessing operating system, in which a number of programs elope at the identical time. A program can be made up of many processes. A process is a share of a program running in its own address space. This means that many users can be dynamic on the system at the identical time, running many processes simultaneously. But only one process is dynamic per processor at any given time while the other processes wait in a job queue. Because each process takes its whirl running in very short time slices (much less than a second each), multitasking operating systems give the illusion that multiple processes are running at the identical time.

    Each time a process is removed from access to the processor, enough information on its current operating status must be stored such that when it is again scheduled to elope on the processor it can resume its operation from an identical position. This operational status data is known as its context and the act of removing the process's thread of execution from the processor (and replacing it with another) is known as a process switch or context switch.

    The context of a process includes the following operational status data:

  • Register set image
  • - Program counter: address of the next instruction
  • - Stack pointer: address of the last constituent on the stack
  • - Processor status word: information about system state, with bits devoted to things like execution modes, interrupt priority levels, overflow bits, carry bits, etc.
  • - memory management registers: Mapping of the address translation tables of the process
  • - Floating point unit registers
  • User address space
  • - Program text, data, user stack, shared memory regions, etc.
  • Control information
  • - u-area (user area), proc structure, kernel stack, address translation maps
  • Credentials
  • - User and group IDs (real and effective)
  • Environment variables
  • - Strings of the form variable = value
  • The u area includes the following:

  • Process control block (PCB)
  • Pointer to the proc structure
  • Real/effective UID/GID
  • Information regarding the current system call
  • Signal handlers
  • Memory management information (text, data, stack sizes)
  • Table of open file descriptors
  • Pointers to the current directory vnode and the controlling terminal vnode
  • CPU usage statistics
  • Resource limitations (disk quotas, etc.)
  • The proc structure includes the following:

  • Identification: process ID and session ID
  • Kernel address map location
  • Current process state
  • Pointers linking the process to a scheduler queue or sleep queue
  • Pointers linking the process to lists of active, free, or zombie processes.
  • Pointers keeping the structure in a hash queue based on PID
  • Sleep channel (if the process is blocked)
  • Scheduling priority
  • Signal handling information
  • Memory management information
  • Flags
  • Information on the relationship of this process and other processes
  • All of the information needed to keep track of a process when switching is kept in a data package called a process control block (PCB). The process control block typically contains:

  • Process ID (PID)
  • Pointers to the locations in the program and its data where processing last occurred
  • Register contents
  • States of various flags and switches
  • Memory information
  • A list of files opened by the process
  • The priority of the process
  • The status of complete I/O devices needed by the process
  • The current process is moved to the CPU by copying the PCB information into the usurp locations (e.g., the program counter is loaded with the address of the next instruction to execute).

    Mac OS X Leopard receives Unix certification | existent questions and Pass4sure dumps

    Mac OS X Leopard receives Unix certification

    Leopard: Unix certified

    Apple's Mac OS X Leopard has received the stamp of approval as an official unix operating system. The official UNIX 03 certification, which entitled the company to use the Unix brand,d came from the Open Group thanks in share to the efforts of Apple's OS boss Kevin Van Vechten and his team and puts Mac OS X Leopard alongside the great Three: Sun, IBM, and HP, according to Infoworld. The certification for the delayed operating system came in mid-May, but was only recently publicized. A publicly available document certifies that "Apple has entered into a Trademark License Agreement with X/Open Company Limited in accordance with which the following are registered under the X/Open Brand Program: UNIX 03, Registration P1190; Mac OS X Version 10.5 Leopard on Intel-based Macintosh Computers."

    The Open Brand is the internationally accepted guarantee of conformance to recognized standards, elevating Apple's status to a tier-one Unix operating system.

    "Mac users, realize that qualifying for UNIX is no petite feat, especially for an open source, BSD-based OS," Infoworld's Tom Yager wrote.

    According to the report, the UNIX 03 specifications cover libraries, system calls, terminal interfaces, commands and utilities, internationalization and the C language.

    The certification means that Leopard, which was delayed until October as Apple diverted resources to iPhone development, conforms to the separate UNIX Specification Version 3 (SUS), which defines how components such as the command shell, the compiler, and C APIs should function.

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