That depends on what it is.
On the network side, generally, CCNA, CCNA CCNP CCIE are of different grades, and the latter is more expensive and higher.
In terms of minicomputers, HP's certification is more popular in the industry. If you have a DBA certificate from Oracle, your entry level will be very high.
In addition, system architects, network security engineers, etc. ...
One more word and a little more evidence, the key moment is the ability to solve problems ~ ~
Students, work hard ~
What certificate does the operation and maintenance engineer need to take?
Database oriented
What are the necessary skills of server operation and maintenance engineers?
Operation and maintenance engineers are familiar with tcpip series protocols and are proficient in configuring Cisco and Huawei networks. They can refer to the manual to configure other manufacturers' equipment, including safety equipment.
Familiar with server hardware system configuration, operating system, unix linux windows installation configuration, and test its operation.
Familiar with common applications, such as the construction and troubleshooting of web ftp mail and other services.
Familiar with common system security settings and the whole security architecture.
Will install, configure and maintain the commonly used database oracle mysql sql-server, etc.
Have some knowledge of storage.
. . . . . . .
Be familiar with the environment of your server, especially the network.
Familiar with the hardware configuration of the server, familiar with the operating system and various common application systems on the server.
Familiar with the handling process when the fault occurs.
You are not required to be proficient in kernel tuning, but you should be knowledgeable and good at one or two things.
What certificates do you need for operation and maintenance, technology and administrators? 5 points
Manufacturers often need certificates for authentication, one for oracle and the other for Cisco.
What are the relevant certificates of linux operation and maintenance engineer?
RHCE is the abbreviation of Red Hat Certified Engineer-Red Hat Certified Engineer started in March 1999. Red Hat is the world's leading Linux vendor, with a market share of over 50% since 1999. And widely used in the industry. Red Hat Certified Engineer is also recognized as one of the most authoritative Linux certifications in the industry.
According to the survey of the international authoritative magazine "Certification", RHCE (Red Hat Certified Engineer) certification was rated as the highest quality international IT certification.
-CertMag, an international authoritative magazine, rated RHCE as the first hottest certification of the year.
Among more than 60,000 IT talents, the demand for Linux talents is more than 25,000. Among them, 95. 1% positions clearly require the certificates of Red Hat Certified Technician (RHCT) and Red Hat Certified Engineer (RHCE).
Now many companies are recruiting operation and maintenance engineers. What is an operation and maintenance engineer? Do you have any relevant national certificates? Where to take the exam?
Operation and maintenance engineer depends on what kind of operation and maintenance engineer you are!
Generally speaking, the job responsibility of the operation and maintenance engineer is to ensure the normal operation and operation of some equipment!
Such as servers, storage devices, computers, etc.
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How to obtain the certificate of computer maintenance engineer?
Hello:
This exam is divided into basic knowledge questions in the morning and application questions in the afternoon, with intermediate qualifications (intermediate qualifications include: software evaluator, software designer, network engineer, multimedia application designer, embedded system designer, computer-aided designer, e-commerce designer, information system supervisor, database system engineer, information system management engineer and information technology support engineer). ) the time is between 5.20 and 5.26, 11.03-1.06, and the scope is: examination subjects1:computer and network knowledge.
65438+
1. 1 hardware knowledge
1.2 operating system knowledge
1.3 system configuration method
2. Basic knowledge of system development and operation
2. 1 system development foundation
2.2 knowledge of system operation and maintenance
3. Network technology
3. 1 network architecture
3.2 Coding and transmission
3.3 Network
3.4 Network communication equipment
3.5 Network connection equipment
3.6 Network software system
4. Network security
4. 1 safety calculation
4.2 Risk management
5. Standardization knowledge
5. 1 formulation and acquisition of standards
5.2 Standardization of information system infrastructure
5.3 Standardization Organization
6. Basic knowledge of informatization
7. Computer English
Examination subject 2: network system design and management
Design and Construction of Network System
1. 1 definition of network system requirements
Design of 1.2 network system
Construction and test of 1.3 network system
2. Operation, maintenance, management and evaluation of network system
2. 1 network system operation and maintenance
2.2 Management of network system
2.3 Evaluation of network system
3. Implementation technology of network system
3. 1 network protocol
3.2 Reliability design
3.3 Network facilities
3.4 Network application services
4. New network technology
4. 1 optical fiber network
4.2 Wireless Network
4.3 backbone network
4.4 Communication Services
4.5 Network management
4.6 grid settlement
In the morning and afternoon, certificates will be awarded to those with scores above 45. If it is special and the score is between 40 and 45, a provincial certificate may be issued (individual provinces).
How to test the certificate of CEMS operation and maintenance engineer
Operation and maintenance engineers need to go to the training institutions designated by the local labor department to participate in the training, and they can only participate in the application for operation and maintenance engineers after passing the examination. General examination books are as follows:
One of the books that must be read is CCNA, which tells the basic concepts of the network, and there are many routine experiments.
Then the first volume of TCP/IP is explained in detail, in which the TCP/IP related protocols in the network are introduced in detail.
There are many books with depth. This should be detailed to every branch of the network, such as VPN, STP, QOS, DHCP, network composition, firewall, router and switch.
After passing the training and examination, the labor department will issue the certificate of ship maintenance engineer.
What knowledge and ability should an operation and maintenance engineer possess?
A qualified operation and maintenance engineer should have two abilities, namely:
Personal qualities:
1: communication skills, teamwork
2. initiative, execution, energy and strong ability to withstand pressure.
Be bold and cautious in your work, and don't take the usual path.
4. Strong logical thinking ability and modesty.
5. Have the spirit of exploration and innovation.
Technical ability:
1, development ability, this is very important, because the operation and maintenance tools need to be developed by themselves, and the development languages are: c/c++ (one of which is essential), perl, python, php, shell (awk, sed, expect, etc. You need to have practical development experience, otherwise the work will be very painful.
2. Applications need to know: operating system (mainly linux and bsd), webserver related (nginx, apahe, php, ligd), database (mysql, oralce), system optimization, clustering and other similar things.
3. Network, security, storage, etc. Need a good understanding.
The content comes from: ITSS compliance assessment landing tool-lark operation and maintenance! !
Professional qualification of desktop operation and maintenance engineer
Students who have graduated from computer colleges can hold this position if they are proficient in operating computer operating systems. Microsoft related certification helps you gain an advantage in the job competition.