Novell Certification
Today in the morning, I was researching on some IT certifications and went through Novell’s certification information.
I saw there many certifications and also Novell Administrator certifications. The certification, that I got attracted to is 050-686 which is on of the most advanced Novell’s certification in current time. I am interested to take 050-686 exam now. It will definitely help an aspirant to have a great amount of knowledge of Administering a Novell’s network.
I also go to the sites where I can get guidance for certifications, such as brain dumps, pass4sure and many more. But truly, they provide real exam questions that might come for only one time in an exam. If you really want to have knowledge of these fields you should study yourself, this will enhance your knowledge.
You will wonder to know that I have found a site which really helps you for self-study. This site provides facts, how to’s, scenarios, simulations. Based on the autor’s self-study.
This site also claims that if you get failed in your exam they will pay back your money without any questions. You have to do just one thing that mail your marks sheet to the site. There is no time limit for claiming payback. You can inform them at any time and they will refund….It’s great. If you want to know about Novell certification visit on http://www.ucertify.com/exams/Novell/050-686.html
What is Authorization Manager?
Authorization Manager in Windows Server 2003 is used to implement role-based security. Administrators can define roles and the tasks those roles can perform by using Authorization Manager. It can nest roles to inherit characteristics from other roles, and can define application groups. Moreover, Authorization Manager lets the administrators use scripts to modify permissions dynamically, and it allows wrapping the security logic in a security policy that can be stored in Active Directory. Authorization Manager also includes an easy-to-use API for running access checks.
How should an administrator plan a security group strategy?
For planning a security group strategy, various user groups are required. The Windows network supports the following types of user groups:
- Local groups
- Domain local groups
- Domain global groups
- Universal groups
According to the needs of an organization, users are organized in groups. These groups can be created on the basis of location, permission requirement, and administrative requirements. Granting rights and creating groups are planned to reduce errors and administrative efforts. Microsoft recommends the following structure of groups and rights for planning a security group strategy:
- Create universal groups for groups that contain members from multiple domains in more than one forest. Make global groups members of the universal groups. Use the universal groups when providing access to resources across multiple forests.
- Create domain global groups for groups that contain members from a single domain, but that will be granted access to resources within other domains. Make universal groups members of domain global groups as applicable. Make users members of domain global groups.
- Create domain local groups for groups that contain members from a single domain whether or not they will be granted access to resources within other domains. Make domain global groups members for the appropriate domain global groups. Grant domain-wide rights to domain local groups.
- Create local groups on member servers and computers. Make domain local groups members of local groups. Grant local rights to local groups.
What is mail exchange (MX) resource record?
A mail exchange (MX) resource record specifies a mail exchange server for a DNS domain name. It is stored in the zone file of the Domain Name Server (DNS). A mail exchange server is a host that either processes or forwards mails for the DNS domain name.
What is registry?
Registry is the central storage for all configuration data. It stores Windows operating system configuration, the computer hardware configuration, configuration information about Win32-based applications, and user preferences in a hierarchical database file.
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What is DNS server?
DNS server is a computer that runs the Domain Name System (DNS) service.
It contains host name-to-IP
address mappings, IP address-to-host name mappings, information about the domain tree structure, etc. A DNS server is also used to resolve DNS client queries.
What is an A resource record?
A resource record is a DNS record. It maps a Fully Qualified Domain Name (FQDN) to an IP address in a DNS zone.
What is FQDN?
Fully Qualified Domain Name (FQDN) is a unique name of a host or computer, which represents its position in the hierarchy. An FQDN begins with a host name and ends with the top-level domain name. FQDN includes the second-level domain and other lower level domains.
For example, the FQDN of the address HTTP://WWW.UNI.ORG will be WWW.UNI.ORG
where WWW is the host name, UNI is the second-level domain, and ORG is the top-level domain name.
What is site?
A site is a collection of
one or more well-connected (usually a local area network) TCP/IP subnets. The network between the subnets must be highly reliable and fast (512 Kbps and higher). Although the sites are defined on the basis of location,
they can be spanned over more than one location. A site structure corresponds to the physical environment, whereas a domain is the logical environment of the network. A site can contain single or multiple domains, and a domain can contain single or multiple sites.
Sites are created to physically group the computers and resources for optimizing the network traffic. Administrators can configure Active Directory access and replication technology to take advantage of the physical network by configuring sites. When a user logs on to a network, the authentication request searches for the domain controllers in the same site where the user is located.
A site prevents the network traffic from traveling
on wide area network (WAN) links that are slow.