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Servers Interview Questions & Answers - Learning Mode
COOLINTERVIEW.COM SERVERS INTERVIEW QUESTIONS QUESTIONS & ANSWERS - LEARNING MODE

Servers Interview Questions & Answers - Learning Mode

In computing, a server is a computer program or a device that provides functionality for other programs or devices, called "clients". This architecture is called the client?server model, and a single overall computation is distributed across multiple processes or devices. In a technical sense, a server is an instance of a computer program that accepts and responds to requests made by another program; known as a client. Less formally, any device that runs server software could be considered a server as well. Servers are used to manage network resources.

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Following are sub categories for which Interview Questions & Answers are available under Servers Interview Questions & Answers - Learning Mode. Please select the appropriate sub-category:-

Groupware Servers Interview Questions & Answers (33) Learning Mode | Exam Mode

Web Logic Server Interview Questions & Answers (19) Learning Mode | Exam Mode

Windows Server Interview Questions & Answers (30) Learning Mode | Exam Mode

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Servers Interview Questions & Answers - Learning Mode
Try Servers Interview Questions & Answers - Exam Mode
Question: What is Tomcat?

Answer: * Tomcat is a Java Servlet container and web server from the Jakarta project of the Apache software foundation.
* A web server responds with web pages to requests from client browsers.
* Web servers can provide dynamic content based on the requests sent by the user.
* Tomcat is very good at this because it provides both Java servlet and JavaServerPages (JSP) technologies.
* Tomcat can also be used as a web server for many applications even if free servlet and JSP en Source: CoolInterview.com
Question: What are FMSO Roles ?

Answer: Flexible Single Master Operation Roles (FSMO) Active Directory has five special roles which are vital for the smooth running of AD as a multimaster system. Some functions of AD require there is an authoritative master to which all Domain Controllers can refer to. Source: CoolInterview.com
Question: What is a default gateway?

Answer: The exit-point from one network and entry-way into another network, often the router of the network. Source: CoolInterview.com
Question: What are the ways to configure DNS & Zones?

Answer: Primary - Start of Authority for Zone. Writable copy of data.

Secondary - Read-Only Copy of Zone based on contents of Primary.

AD Integrated - Multi-Primary, Zone Data Stored in Active Directory, all Domain Controllers accessing data can Write. Each DC lists itself as Start of Authority. Replication scopes are also configurable for AD Integrated Zones.

Stub Zone - Contains NS Records of Primary Zone (mini-Secondary Zone). Source: CoolInterview.com
Question: Explain what is the difference between a Thread and a Computer Process?

Answer: Computer Process: In computing, a process is an instance of a computer program that is executed sequentially by a computer system which can run several computer programs concurrently.

Thread: A thread is a several executable program that work together as a single process. For instance, one thread might send an error message to the user; another might handle error signals while the third thread might be executing the original action. Source: CoolInterview.com
Question: How do you check for the httpd.conf consistency and any errors in it?

Answer: apachectl configtest Source: CoolInterview.com
Question: How do I override the default home page loaded by Tomcat?

Answer: After successfully installing Tomcat, you usually test it by loading http://localhost:8080 . The contents of that page are compiled into the index_jsp servlet. The page even warns against modifying the index.jsp files for this reason. Luckily, it is quite easy to override that page. Inside $TOMCAT_HOME/conf/web.xml there is a section called <welcome-file-list> and it looks like this:

<welcome-file-list>
<welcome-file>index.html</welcome-file>
Source: CoolInterview.com
Question: During the welding process, the two metal pieces being joined are subject to extreme temperatures and can cause the crystalline structure of the metal to pass through various metallurgical phases. As a result, hardening (and embrittlement) of the metal can occur to varying degrees (usually dependent on carbon content). Heat treatment is designed to reduce the hardness in the heat-affected zone of the metals and increase ductility in these sections. Various pressure vessel codes contain the specifics regarding the procedures for post-weld heat treatment. Heat is usually held for one hour per inch of thickness of the metal. The temperature used is based on the "P-number" of the metals. P-numbers are assigned based on the chemical composition of the metals. Holding temperatures can range from 1100-1350 ?F (593-732 ?C).

Answer: Image result for What are Levels of RAID 0, 1, 5?
RAID 1 requires at least two physical disks. RAID 1+0: RAID 1+0, which is also called RAID 10, uses a combination of disk mirroring and disk striping. The data is normally mirrored first and then striped. Mirroring striped sets accomplishes the same task, but is less fault tolerant than striping mirror sets. Source: CoolInterview.com
Question: What is the ISTG? Who has that role by default?

Answer: Inter-Site Topology Generator(istg) is responsible for managing the inbound replication connection objects for all bridgehead servers in the site in which it is located. This domain controller is known as the Inter-Site Topology Generator (ISTG). The domain controller holding this role may not necessarily also be a bridgehead server. Source: CoolInterview.com
Question: When I do ps -aux, why do I have one copy of httpd running as root and the rest as nouser?

Answer: You need to be a root to attach yourself to any Unix port below 1024, and we need 80. Source: CoolInterview.com
Question: Why do I get the message "? no listening sockets available, shutting down"?

Answer: In Apache 2 you need to have a listen directive. Just put Listen 80 in httpd.conf. Source: CoolInterview.com
Question: How to take backup of AD ?

Answer: for taking backup of active directory you have to do this :
first go to START -> PROGRAM ->ACCESORIES -> SYSTEM TOOLS -> BACKUP
when the backup screen is flash then take the backup of SYSTEM STATE it will take the backup of all the necessary information about the syatem including AD backup , DNS ETC. Source: CoolInterview.com
Question: What?s the command to stop Apache?

Answer: kill the specific process that httpd is running under, or killall httpd. If you have apachectl installed, use apachectl stop. Source: CoolInterview.com
Question: What is the SYSVOL folder?

Answer: The sysVOL folder stores the server?s copy of the domain?s public files. The contents such as group policy, users etc of the sysvol folder are replicated to all domain controllers in the domain.
The sysvol folder must be located on an NTFS volume. Source: CoolInterview.com
Question: What is Groupware server?

Answer: Groupware addresses the management of semi-structured information such as text, image, mail, bulletin boards and the flow of work. These Client/Server systems have people in direct contact with other people. Source: CoolInterview.com
Question: How can hexavalent chromium be removed from aqueous waste streams?

Answer: Global Catalog is a server which maintains the information about multiple domain with trust relationship agreement. Source: CoolInterview.com
Question: How to configure ftp server on redhat linux?

Answer: RHEL server comes with vsftpd which is the Very Secure File
Transfer Protocol (FTP) daemon. The server can be launched
via a xinetd or as standalone mode, in which case vsftpd
itself will listen on the network port 21.

Install vsftpd:
# yum install vsftpd

Turn on vsftpd ftp service:
# service vsftpd start

Open FTP port:
Open /etc/sysconfig/iptables file, enter:
# vi /etc/sysconfig/iptables

Append following line to open ftp port 21 before REJECT li Source: CoolInterview.com
Question: What is a level 0 backup?

Answer: Atomic: This ascertains that all of the required operations take place successfully or none of them will take place.
Consistent: A transaction when committed to the database is responsible to bring it into consistent state.
Isolated: If changes are done in one transaction, it will not affect the other transaction out of its scope. Also, changes will be visible only when transaction is committed to database.
Durable: Even if the system crashes or any hardware failure occurs, the transact Source: CoolInterview.com
Question: What is Remote Backup ?

Answer: Remote backups are a form of offsite backup with a difference being that you can access, restore or administer the backups while located at your source location or other physical location. The term ?remote? refers to the ability to control or administer the backups from another location.
You do not need to be physically present at the backup storage facility to access the backups.

Putting your backup hard drive at your bank safe deposit box would not be considered a remote backup. You Source: CoolInterview.com
Question: What is a Web server?



Answer: This new model of Client/Server consists of thin, protable, "universal" clients that talk to superfat servers. In the simplet form, a web server returns documents when clients ask for them by name. The clients and server communicate using an RPC-like protocol called HTTP. Source: CoolInterview.com

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Latest 20 Questions
Payment of time- barred debt is: (a) Valid (b) Void (c) Illegal (d) Voidable
Consideration is defined in the Indian Contract Act,1872 in: (a) Section 2(f) (b) Section 2(e) (c) Section 2(g) (d) Section 2(d)
Which of the following is not an exception to the rule, "No consideration, No contract": (a) Natural love and affection (b) Compensation for involuntary services (c) Completed gift (d) Agency
Consideration must move at the desire of: (a) The promisor (b) The promisee (c) The promisor or any other party (d) Both the promisor and the promisee
An offer which is open for acceptance over a period of time is: (a) Cross Offer (b) Counter Offer (c) Standing Offer (d) Implied Offer
Specific offer can be communicated to__________ (a) All the parties of contract (b) General public in universe (c) Specific person (d) None of the above
_________ amounts to rejection of the original offer. (a) Cross offer (b) Special offer (c) Standing offer (d) Counter offer
A advertises to sell his old car by advertising in a newspaper. This offer is caleed: (a) General Offer (b) Special Offer (c) Continuing Offer (d) None of the above
In case a counter offer is made, the original offer stands: (a) Rejected (b) Accepted automatically (c) Accepted subject to certain modifications and variations (d) None of the above
In case of unenforceable contract having some technical defect, parties (a) Can sue upon it (b) Cannot sue upon it (c) Should consider it to be illegal (d) None of the above
If entire specified goods is perished before entering into contract of sale, the contract is (a) Valid (b) Void (c) Voidable (d) Cancelled
______________ contracts are also caled contracts with executed consideration. (a) Unilateral (b) Completed (c) Bilateral (d) Executory
A offers B to supply books @ Rs 100 each but B accepts the same with condition of 10% discount. This is a case of (a) Counter Offer (b) Cross Offer (c) Specific Offer (d) General Offer
_____________ is a game of chance. (a) Conditional Contract (b) Contingent Contract (c) Wagering Contract (d) Quasi Contract
There is no binding contract in case of _______ as one's offer cannot be constructed as acceptance (a) Cross Offer (b) Standing Offer (c) Counter Offer (d) Special Offer
An offer is made with an intention to have negotiation from other party. This type of offer is: (a) Invitation to offer (b) Valid offer (c) Voidable (d) None of the above
When an offer is made to the world at large, it is ____________ offer. (a) Counter (b) Special (c) General (d) None of the above
Implied contract even if not in writing or express words is perfectly _______________ if all the conditions are satisfied:- (a) Void (b) Voidable (c) Valid (d) Illegal
A specific offer can be accepted by ___________. (a) Any person (b) Any friend to offeror (c) The person to whom it is made (d) Any friend of offeree
An agreement toput a fire on a person's car is a ______: (a) Legal (b) Voidable (c) Valid (d) Illegal
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