What is a High Availability System ?

What is a High Availability System ?
by

1 Answer

Answer :

System availability (uptime) is at least 99 percent. This often includes hot-sapping. Hot-swapping is an issue that allows components to be replaced while the rest of the system continues to perform its functions. High-availability systems may also include redundant components.
by

Related questions

Is there a term for something less than "high availability"?

Description : Is there a term for something less than "high availability"?

Last Answer : Increased availability.

The high reactivity of fluorine is due to (a) Its high electronegativity (b) Small size of flourine atom (c) Availability of d-orbitals (d) Strong F-F bond

Description : The high reactivity of fluorine is due to (a) Its high electronegativity (b) Small size of flourine atom (c) Availability of d-orbitals (d) Strong F-F bond

Last Answer : Ans:(a)

The high reactivity of fluorine is due to (1) small size of fluorine atom (2) its high electro negativity (3) availability of d-orbitals (4) strong F - F bond

Description : The high reactivity of fluorine is due to (1) small size of fluorine atom (2) its high electro negativity (3) availability of d-orbitals (4) strong F - F bond

Last Answer : (2) its high electro negativity Explanation: The high reactivity of fluorine is due to its high electro negativity.

Water is used in car radiator because of its – (1) low density (2) easy availability (3) high specific heat capacity (4) low boiling point

Description : Water is used in car radiator because of its – (1) low density (2) easy availability (3) high specific heat capacity (4) low boiling point

Last Answer : (3) high specific heat capacity Explanation: Water is used in car radiators because the Specific heat capacity of water is high as a result of which it takes away the heat from engine better compared to ... coolant used in the radiator. If the radiator was to overheat the car would come to a stop.

Aluminium as a material of construction suffers from the disadvantage of (A) Very high cost (B) Rather low tensile strength (C) Very low strength to weight ratio (D) Scarce availability

Description : Aluminium as a material of construction suffers from the disadvantage of (A) Very high cost (B) Rather low tensile strength (C) Very low strength to weight ratio (D) Scarce availability

Last Answer : (B) Rather low tensile strength

__________ prohibits the use of alcohols directly in petrol engines. (A) Low octane number (B) High cost & availability (C) Low flash point (D) Low calorific value

Description : __________ prohibits the use of alcohols directly in petrol engines. (A) Low octane number (B) High cost & availability (C) Low flash point (D) Low calorific value

Last Answer : (B) High cost & availability

Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda? (A) High cost of mercury (B) High specific gravity of mercury (C) Non-availability of high purity mercury (D) Pollution of water stream by mercury

Description : Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda? (A) High cost of mercury (B) High specific gravity of mercury (C) Non-availability of high purity mercury (D) Pollution of water stream by mercury

Last Answer : (D) Pollution of water stream by mercury

Balancing the workload by transferring the under performing servers is a feature of ___________. A. High availability. B. Operational automation. C. Dynamic resource. D. Live Migration

Description : Balancing the workload by transferring the under performing servers is a feature of ___________. A. High availability. B. Operational automation. C. Dynamic resource. D. Live Migration

Last Answer : Live Migration

Which statement is true about NameNode High Availability a) Solve Single point of failure b) For high scalability c) Reduce storage overhead to 50% d) None of the above

Description : Which statement is true about NameNode High Availability a) Solve Single point of failure b) For high scalability c) Reduce storage overhead to 50% d) None of the above

Last Answer : Solve Single point of failure

Under Hadoop High Availability, Fencing means a)Preventing a previously active namenode from start running again. b)Preventing the start of a failover in the event of network failure with the active namenode. c)Preventing the power down to the previously active namenode. d)Preventing a previously active namenode from writing to the edit log.

Description : Under Hadoop High Availability, Fencing means a)Preventing a previously active namenode from start running again. b)Preventing the start of a failover in the event of network failure with the ... previously active namenode. d)Preventing a previously active namenode from writing to the edit log.

Last Answer : Preventing a previously active namenode from writing to the edit log.

The main goal of HDFS High availability is a) Faster creation of the replicas of primary namenode. b) To reduce the cycle time required to bring back a new primary namenode after existing primary fails. c) Prevent data loss due to failure of primary namenode. d) Prevent the primary namenode form becoming single point

Description : The main goal of HDFS High availability is a) Faster creation of the replicas of primary namenode. b) To reduce the cycle time required to bring back a new primary namenode after existing ... data loss due to failure of primary namenode. d) Prevent the primary namenode form becoming single point

Last Answer : To reduce the cycle time required to bring back a new primary namenode after existing primary fails.

A lake which has high nutrient availability is: a) oligotrophic (pron: all-i-go-tro-fik) b) eutrophic (pron: you-tro-fik) c) mesotrophic (pron: mez-eh-tro-fik)

Description : A lake which has high nutrient availability is: a) oligotrophic (pron: all-i-go-tro-fik) b) eutrophic (pron: you-tro-fik) c) mesotrophic (pron: mez-eh-tro-fik)

Last Answer : ANSWER: B -- eutropHic

Water is used in car radiator because of its (1) low density (2) easy availability (3) high specific heat capacity (4) low boiling point

Description : Water is used in car radiator because of its (1) low density (2) easy availability (3) high specific heat capacity (4) low boiling point

Last Answer : high specific heat capacity

Explain that high level language is not understandable on computer ,

Description : Explain that high level language is not understandable on computer ,

Last Answer : High-level language is not understandable by computers , because high-level language programs can only be understood after conversion into mechanical language. In other words, if you write a program ... have to translate it into mechanical language using a translator and explain it to the computer.

Which factor determines when your IT system will be available for knowledge worker to access? a) Availability b) Accessibility c) Reliabilityd) None of the above

Description : Which factor determines when your IT system will be available for knowledge worker to access? a) Availability b) Accessibility c) Reliabilityd) None of the above

Last Answer : a) Availability

In computer security, …………………….. means that the information in a computer system only be accessible for reading by authorized parities. a) Confidentiality b) Integrity c) Availability d) Authenticity

Description : In computer security, …………………….. means that the information in a computer system only be accessible for reading by authorized parities. a) Confidentiality b) Integrity c) Availability d) Authenticity

Last Answer : a) Confidentiality

In computer security, ……………………. means that computer system assets can be modified only by authorized parities. a) Confidentiality b) Integrity c) Availability d) Authenticity

Description : In computer security, ……………………. means that computer system assets can be modified only by authorized parities. a) Confidentiality b) Integrity c) Availability d) Authenticity

Last Answer : b) Integrity

In computer security, __________means that computer system assets can be modified only by authorized parities. i) Confidentiality ii) Integrity iii) Availability iv) Authenticity

Description : In computer security, __________means that computer system assets can be modified only by authorized parities. i) Confidentiality ii) Integrity iii) Availability iv) Authenticity

Last Answer : ii) Integrity

Increase in the entropy of a system represents the (A) Degradation of energy (B) Decrease in system pressure (C) Increase in the availability of energy (D) Increase in the temperature

Description : Increase in the entropy of a system represents the (A) Degradation of energy (B) Decrease in system pressure (C) Increase in the availability of energy (D) Increase in the temperature

Last Answer : Option A

74. The maximum work attainable as the system comes in equilibrium with surrounding is called a) Energy b) Availability c) Exergy d) Entropy

Description : 74. The maximum work attainable as the system comes in equilibrium with surrounding is called a) Energy b) Availability c) Exergy d) Entropy

Last Answer : Availability

Which of the following is the demerit of a 'constant voltage transmission system' ? (a) Increase of short-circuit current of the system (b) Availability of steady voltage at all loads at the line terminals (c) Possibility of better protection for the line due to possible use of higher terminal reactants (d) Improvement of power factor at times of moderate and heavy loads (e) Possibility of carrying increased power for a given conductor size in case of long-distance heavy power transmission

Description : Which of the following is the demerit of a 'constant voltage transmission system' ? (a) Increase of short-circuit current of the system (b) Availability of steady voltage at all loads at ... of carrying increased power for a given conductor size in case of long-distance heavy power transmission

Last Answer : (a) Increase of short-circuit current of the system

Why is the availability of applications software for a particular operating system critical?

Description : Why is the availability of applications software for a particular operating system critical?

Last Answer : Because, to use applications software, it must be compatible with the operating system.

What command would you use to check the availability of the RAC system?

Description : What command would you use to check the availability of the RAC system?

Last Answer : crs_stat -t -v (-t -v are optional)

In computer security, …………………….. means that the information in a computer system only be accessible for reading by authorized parities. A) Confidentiality B) Integrity C) Availability D) Authenticity

Description : In computer security, …………………….. means that the information in a computer system only be accessible for reading by authorized parities. A) Confidentiality B) Integrity C) Availability D) Authenticity

Last Answer : A) Confidentiality

In computer security, ……………………. means that computer system assets can be modified only by authorized parities. A) Confidentiality B) Integrity C) Availability D) Authenticity

Description : In computer security, ……………………. means that computer system assets can be modified only by authorized parities. A) Confidentiality B) Integrity C) Availability D) Authenticity

Last Answer : B) Integrity

Which of the following is the demerit of a 'constant voltage transmission system' ? (a) Increase of short-circuit current of the system (b) Availability of steady voltage at all loads at the line terminals (c) Possibility of better protection for the line due to possible use of higher terminal reactants (d) Improvement of power factor at times of moderate and heavy loads (e) Possibility of carrying increased power for a given conductor size in case of long-distance heavy power transmission

Description : Which of the following is the demerit of a 'constant voltage transmission system' ? (a) Increase of short-circuit current of the system (b) Availability of steady voltage at all loads at ... of carrying increased power for a given conductor size in case of long-distance heavy power transmission

Last Answer : (a) Increase of short-circuit current of the system

Which factor represents how well your system can adapt to increased demands? a. Availability b. Accessibility c. Reliability d. Scalability

Description : Which factor represents how well your system can adapt to increased demands? a. Availability b. Accessibility c. Reliability d. Scalability

Last Answer : d. Scalability

Which factor determines when your IT system will be available for knowledge workers to access? a. Availability b. Accessibility c. Reliability d. None of the above

Description : Which factor determines when your IT system will be available for knowledge workers to access? a. Availability b. Accessibility c. Reliability d. None of the above

Last Answer : a. Availability

What is a one-way system in English ?

Description : What is a one-way system in English ?

Last Answer : The one-way system is called broadcast in English .

What is done with the help of E-Payment System ?

Description : What is done with the help of E-Payment System ?

Last Answer : Payment is done with the help of E-Payment System .

What is the world social communication system ?

Description : What is the world social communication system ?

Last Answer : Facebook is the world social communication system.

Bishwagram is an internet dependent system- Explain ?

Description : Bishwagram is an internet dependent system- Explain ?

Last Answer : Bishwagram is an internet dependent system. The world today is dependent on information and communication technology. Therefore, the present time is called the age of information and communication technology or ... , the whole world is like a village where people are living together in close ties

Why is database called information management system ?

Description : Why is database called information management system ?

Last Answer : Databases are called information management methods because the stored information can be managed.

What is operating system service ?

Description : What is operating system service ?

Last Answer : It provides security , management , communication and application hosting services. For example, Microsoft Windows NT Server , Unixware etc.

How to find out if there is any mistake in data in synchronous transmission system ?

Description : How to find out if there is any mistake in data in synchronous transmission system ?

Last Answer : In a synchronous transmission system, data characters are transmitted in the form of blocks or packets. Each block data sends a header information at the beginning and a tailor information signal at the end. This signal helps to check if there is any mistake in the data.

Macintosh' is an operating system product of which company ?

Description : Macintosh' is an operating system product of which company ?

Last Answer : Macintosh' operating system is a product of Apple.

Android mobile operating system is the product of which software giant ?

Description : Android mobile operating system is the product of which software giant ?

Last Answer : Android mobile operating system is a product of Google software giant.

Who was the programmer of MS-DOS operating system ?

Description : Who was the programmer of MS-DOS operating system ?

Last Answer : Bill Gates was the programmer of MS-DOS operating system.

What is Relation Database Management System ( RDBMS) ?

Description : What is Relation Database Management System ( RDBMS) ?

Last Answer : RDBMS refers to the relationship between multiple tables in a database based on a specific field (primary and foreign keys) . For example: Oracle , MySql , Ms -Sql, Microsoft Access, Microsoft Access, FoxPro , etc. Inventor : Dr. Edger Codd in 1960 .

What is DBMS or Database Management System ?

Description : What is DBMS or Database Management System ?

Last Answer : DataBase Management System is the full form of DBMS . DBMS is a set of programs required for accessing , storing , controlling and managing interconnected information called database management systems.

What is Microtek Operating System (ISO) ?

Description : What is Microtek Operating System (ISO) ?

Last Answer : Microtech Operating System (ISO): The developers of Microtek Router have also developed it as an operating system. You will need a computer to use it, and you will need to install and use the router ... use it by converting it to full version. Licensed versions of ISOs do not have a time limit.

What is information system resource ?

Description : What is information system resource ?

Last Answer : Answer : Information System Resource Information System Resource refers to its various components. One of which is data. In an integrated process, the information system collects and stores information , processes ... in practice. The elements work by maintaining contact with each other.

What is information system ?

Description : What is information system ?

Last Answer : Answer : An information system is a system where the required human resources work in an orderly manner to collect information in an integrated manner , then process it , store it for ... the necessary hardware , software and communication equipment or network system to assist in these tasks.

What are the disadvantages of office automation system ?

Description : What are the disadvantages of office automation system ?

Last Answer : Disadvantages of office automation system 1. Skilled people are needed for management. 2. The cost of purchasing and maintaining equipment is high. 3. If there is a problem in the system, solving it is ... can be smuggled. 5. Computers can be damaged by viruses or hacking. . Training is required.

What are the advantages of office automation system ?

Description : What are the advantages of office automation system ?

Last Answer : Advantages of office automation system 1. Using a computer makes it extremely easy to get things done quickly and accurately. 2. Files , correspondence , notices, etc. can be done in a very short time. ... . Monitoring is easy. 9. A quick decision can be made by reviewing the report. 10. Decreases.

What is Office Automation System ?

Description : What is Office Automation System ?

Last Answer : Answer : The process of automating manual labor using various technologies to create a modern and advanced office environment is called Office Automation System or OAS . Office Automation helps to streamline an ... network (usually Local Area Network or LAN) system acts as the backbone of an OAS .

What are the advantages of ESS system ?

Description : What are the advantages of ESS system ?

Last Answer : Advantages of ESS system: Information system used at strategic level. Filters data for management. Helps in decision making. • Easily diagnoses associated vulnerabilities. করে Uses sophisticated Graphical User Interface .

What is Executive Support System ?

Description : What is Executive Support System ?

Last Answer : Top level managers use the ESS system to present appropriate debates when deciding on a topic . The ESS system features data-driven and graphical representations on a single topic. In this way, the ... be seen in different ways like area or zone based sales rate, weekly or monthly sales rate.

What is Content Management System (CMS) ?

Description : What is Content Management System (CMS) ?

Last Answer : A content management system is a combination of databases , software , and methods. It organizes documents and other files and allows access to them.

What are the benefits of knowledge management system ?

Description : What are the benefits of knowledge management system ?

Last Answer : Advantages of Knowledge Management System Internal knowledge management system gives an employee an idea about the internal operations of his company. Employees can get to know each other through blogs. The biggest ... that employees can access it from anywhere using any device (e.g. , smartphone).