what is primary and secondary dns

Web site Deployment ~windows Server | Local Deployment Http://www.cnblogs.com/dunitian/p/4822808.html#iisDNS server deployment is not clear can see an article: http://www.cnblogs.com/dunitian/p/5439816.htmlIn-house PCs, basically DNS are internal servers (because there are some internal sites and systems)So how does the DNS server set up to get the company PC to

Explain the what is primary and secondary index. When you activate an object say ODS/DSO, the system automatically generate an index based on the key fields and this is primary index. In addition if you wish to create more ind

1. Use the Netconfig command to configure IP, gateway, DNS, and other parameters for the primary DNS.2. Configure primary DNS master configuration file/etc/named.conf3. Configuring a Forward zone database file for primary DNS4. Co

Shanghai ms (Headquarters) has more than 800 nodes. subsidiaries, offices, and partners all over the world are remotely connected to the headquarters, what is the responsibility of the company as its in charge of the network! Details determine success or failure: network devices (such as routers, switches, firewalls), servers ...... Next to the PC, and even an OE (or outlook) configuration, backup, mail imp

/named_mem_stats.txt";// allow-query {localhost;}; #注释只允许本地请求3, edit the area configuration file forward and backward analysis[[emailprotected]named]#vim/etc/named.rfc1912.zones #编辑区域配置文件zone "Dove.com" in{# Last line add forward region name typeslave; #类型为slave (must be slave from dnstype file type) file "Slaves/dove.com.zone"; #指定正向区域文件, Slaves directory is designed for use from the server, synchronization from the

What is DNS hijacking?DNS hijacking also known as domain name hijacking, refers to the use of certain means to obtain a domain name of the analytic control, modify the resolution of the domain name, resulting in access to the domain name from the original IP address to the modified designated IP, the result

In the Web experience, we often encounter this situation, that is, when calling Baidu union, Google alliance, and domain name files outside the domain name where the current webpage is located, the request latency is very serious. Is there a way to solve the serious latency of such requests?

What is DNS hijacking and DNS pollution? Http://blogread.cn/it/article/7758?f=weeklyDescriptionWe know that some network operators for some purposes, some of the DNS operation, resulting in the use of the ISP's normal Internet settings cannot obtain the correct IP address th

Transferred from: http://www.office68.com/computer/14231.html DNS is the abbreviation for the domain Name System and is a core service of the Internet as a distributed database that maps domain names and IP addresses to each other, making it easier for people to access the Internet without remembering the number of IP strings that can be read directly by the mac

prevent inconsistent data. Database at design time, the primary key plays a very important role.The primary key guarantees that the record is unique and the primary key domain is not empty, and the database management system automatically generates a unique index for the

Is there a future for new php beginners to do ecshop secondary development? Is php promising for secondary ecshop development? I am a newbie, and I always think it should be better to start from the new project development. I don't know how to improve my abilities ., Although xx membrane repair

Main Memory index node and secondary index node are mainly reflected in: Memory index node State; Device number, index node number; reference count.Main Memory Index node state-reflects the use of main memory index nodes. It indicates the following:1, whether the index node is locked;2. Whether there is a process waiting for the index node to become unlocked stat

Is there a future for new php beginners to do ecshop secondary development? Is php promising for secondary ecshop development? I am a newbie, and I always think it should be better to start from the new project development. I don't know how to improve my abilities. ------ Solution ------------------ although xx membran

C # What is the problem during the secondary development of the sdk3000 OCX component ?? Solution This is the trigger condition for dynamic detection. Private void btnstarttest_click (Object sender, eventargs E){Byte [] bytes = new byte [] {, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 25, 25, 25, 25, 25, 25, 25 };String mapsize

secondary server. The serial number in the SOA record means that the version of the data modification is recorded; The primary server means the primary server responsible for this area; the owner means the administrator, using the admin mailbox, and the @ sign of the mailbox must be replaced by the point in the Englis

to the client a different DNS server that can resolve the domain name, and the client continues to query the other DNS servers. Four: Server types for DNS: 1: Primary DNS server: Records can be modified, deleted 2: Secondary

Code: Symbol representing number Main code when we build the database, we need to specify a master code for each table, and the main code is called the primary key. The so-called main code is the candidate code that distinguishes different entities in the entity set. There can be only one master code in an entity set, but there may be multiple candidate codes. Tw

Several concepts need to be clarified: 1) Candidate Key: the value of an attribute group in a link uniquely identifies a tuples. If any attribute is removed from this attribute group, it does not have this property, such an attribute group is called a candidate code. 2) primary key: when multiple candidate codes exist, you can select one as the

The first paragraph: small knowledge (can be neglected to see) Second paragraph: Get the best DNS Third paragraph: Setting up DNS locally Fourth paragraph: Broadband connection (dial-up Internet, is no use of the router's ROC) set up DNS The first paragraph: small knowledge, can be ignored to see the second paragra

into the field, located in the application layer. (2) What is the role of DNS? It is the parsing service that provides the domain name to the IP address. We usually visit a Web site, often using a hostname or domain name to access, rather than directly through the IP address. Why don't we use an IP address to access i