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Fiber Optic Cable Types?
Posted By :
Posted Date :
March 26, 2010
Fiber optic cables can carry signals in a single direction.
Fiber Optic Cable Types:-
1. Single Mode.
2. Multi mode.
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Fiber Optic Cable Types?
Fiber Optic Cable Characteristics?
1. Bandwidth - Carries large amount of data ranging from 100 Mbps to 1 Gbps.
2. Segment Length - Transmits data signals over larger distance.
3. Interference - No electric signals pass through these types of cables thus providing security.
Single Mode Fiber Optic cable?
1. A type of cable that has only a single strand of glass fiber with a thin diameter.
2. Fiber optic cables that use lasers are known as single mode cable.
Multi Mode Fiber Optic cable?
1. A type of cable that contains a glass fiber with a larger diameter.
2. It is a 62.5/125 micrometer fiber cable.
Fiber Optic Cable Connectors?
1. Straight Tip (ST) - Joins individual fibers to optical devices.
2. Subscriber Connector (SC) - Attaches two fibers to send and receive signals.
3. Medium Interface Connector (MIC) - Joins fiber to FDDI controller.
4. Sub Miniature Type A (SMA) - Uses individual connectors for each fiber stand.
5. Fiber Jack - Attaches two fibers in snap lock connector.
Types of Coaxial cable?
Coaxial cables are mainly divided into four categories:-
Fiber Optic Medium?
1. Consists of centre glass core surrounded by cladding.
2. Electrical signals are converted into light signals.
3. A phenomenon called as total internal reflection is used for transmission.
4. LED or laser is used to transmit signal
All types in C# implicitly derive from.........
System.Object Class. System.Object is the parent class of all .NET classes
How many types of assemblies are in .net , what are they?
Private, Public/Shared, Satellite.
What are the types of indexes available with SQL Server?
There are basically two types of indexes that we use with the SQL Server. Clustered and the Non-Clustered.
Different Types of Remote Objects?
The remoting infrastructure allows you to create two distinct types of remote objects.
1.Client-activated objects - A client-activated object is a server-side object whose creation and destruction is controlled by the client application. An instance of the remote object is created when the client calls the new operator on the server object. This instance lives as long as the client needs it, and lives across one to many method calls. The object will be subject to garbage collection once it''s determined that no other clients need it.
2.Server-activated objects - A server-activated object''s lifetime is managed by the remote server, not the client that instantiates the object. This differs from the client-activated object, where the client governs when the object will be marked for finalization. It is important to understand that the server-activated objects are not created when a client calls New or Activator.GetObject. They are rather created when the client actually invokes a method on the proxy. There are two types of server activated objects. They are:
I. Single call . Single-call objects handle one, and only one, request coming from a client. When the client calls a method on a single call object, the object constructs itself, performs whatever action the method calls for, and the object is then subject to garbage collection. No state is held between calls, and each call (no matter what client it came from) is called on a new object instance.
II.Singleton - The difference in a singleton and single call lies in lifetime management. While single-call objects are stateless in nature, singletons are stateful objects, meaning that they can be used to retain state across multiple method calls. A singleton object instance serves multiple clients, allowing those clients to share data among themselves.
what are value types and reference types?
Value type - bool, byte, chat, decimal, double, enum , float, int, long, sbyte, short, strut, uint, ulong, ushort
Value types are stored in the Stack
Reference type - class, delegate, interface, object, string
Reference types are stored in the Heap
What are the types of threading models?
. Single Threading: This is the simplest and most common threading
model where a single thread corresponds to your entire application's
Apartment Threading (STA): This allows multiple threads to exist in a
single application. In single threading apartment (STA), each thread
is isolated in it's own apartment. The process may contain multiple
threads (apartments) however when an object is created in a
thread (i.e. apartment) it stays within that
apartment. If any communication needs to occur between different
threads (i.e. different apartments) then we must marshal the first
thread object to the second thread.
Free Threading: The most complex threading model. Unlike STA,
threads are not confined to their own apartments. Multiple treads can
make calls to the same methods and same components at the
How many types of tables are present in SQL SERVER?
There are 2 types of temporary tables, local and global in sql server.
Local temporary tables are created using a single pound (#) sign and are visible to a single connection and automatically dropped when that connection ends.
Global temporary tables are created using a double pound (##) sign and are visible across multiple connections and users and are automatically dropped when all SQL sessions stop referencing the global temporary table.
What are the different types of Assembly?
There are two types of assembly Private and Public assembly.
A private assembly is normally used by a single application, and is stored in the application's directory, or a sub-directory beneath. A shared assembly is normally stored in the global assembly cache, which is a repository of assemblies maintained by the .NET runtime. Shared assemblies are usually libraries of code which many applications will find useful, e.g. Crystal report classes which will be used by all application for Reports.
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