Mc qs socket programming
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This document contains 20 multiple choice questions about socket programming and TCP networking in C#. Some key points covered are: - The namespaces required for socket programming are System.Net and System.Net.Sockets. - A TCP listener uses the Start() method to listen for incoming connection requests on a specified port, and the Accept() method to accept pending connection requests. - Common classes used include TcpListener for listening for connections, TcpClient for representing client connections, and NetworkStream for sending and receiving data as byte arrays. - Methods like Connect(), GetStream(), Send(), Receive(), Close(), and Dispose() are used to establish connections and transfer data between client and server sockets.
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![Q.1: What are the namespaces required for socket programming?
A)System.net
B)System.net.sockets
C)System.sockets
D)Both A & B // correct
Q.2: TCP listener listens on
A)Specified IP Sddress
B)Specified Port
C)IP Address and Port
D)Both B & C // correct
Q.3: Which TCP listener method is used to listen incomming connection requests
A)Accept()
B)Start() // correct
C)AcceptTCPClient()
D)none
Q.4: Which property of TCP listener give the underline endpoint of current TCP
listener
A)EndPoint
B)Exclusive Address
C)Local EndPoint // correct
D)Server
Q.5: What AcceptSocket() method do?
A)listening for incomming connections
B)accept pending connection request as an asyncronous operation
C)determine if there are pending connection request
D)accept pending connection reuest // correct
Q.6: In socket programming data received and send only in?
A)Byte[] // correct
B)Char[]
C)int[]
D)none of above
Q.7: Which method is used to receive data from socket?
A)Get()
B)Receive() // correct
C)Accept()
D)none
Q.8: RemoteEndPiont property is must be called after
A)Pending()
B)Start()
C)Accept() // correct
D)Create()](https://image.slidesharecdn.com/mcqssocketprogramming-160613182938/85/Mc-qs-socket-programming-1-320.jpg)
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17.Which layer of the .
Networking
IPv6 addresses are 128 bits long. Port Address Translation (PAT) allows multiple users to share a single public IP address. Standard and extended ACLs are the two main types of access control lists. The "copy running-config startup-config" command is used to backup the router configuration. IEEE 802.11G standard allows up to 54Mbps wireless speeds in the 2.4GHz range.
Final exam review answer(networking)
Here are the key steps to determine the subnet that this IP address belongs to:
1. The IP address is 172.16.192.166
2. A Class B address has a network portion of 172.16
3. Therefore, the network portion is 172.16
4. The remaining bits must be the host portion
5. Therefore, the subnet that this IP address belongs to is 172.16.0.0
The IP address 172.16.192.166 belongs to the 172.16.0.0 subnet.
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Overview of socket API.
A network socket is an interface for an application to connect to a host‘s network stack (part of the OS). Sockets provide an abstraction of the network. Applications use the transport services available on the socket interface for communication with a peer application.
Transport protocol such as TCP, UDP or SCTP offer different levels of service. TCP for example provides reliable stream-oriented transport service while UDP more reflects the best-effort kind of service provided by the underlying IP protocol layer.
Sockets are bound to a transport address. For TCP/IP sockets this means an IP address and port number.
Sockets provide only very basic data transport services without any higher level functions like parameter marshaling or serialization. These functions have to be performed by the applications. These functions are often hidden in middleware platforms like distributed object technologies (CORBA, RMI, DCOM) or web service frameworks (WCF, JAX-WS).
Multicast sockets make the IP multicast capability accessible to applications. Multicast sockets are often used for streaming services where multiple applications are recipients of the same data packets.
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This document contains information about TCP/IP sockets and network programming in C, including:
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- 1. Q.1: What are the namespaces required for socket programming? A)System.net B)System.net.sockets C)System.sockets D)Both A & B // correct Q.2: TCP listener listens on A)Specified IP Sddress B)Specified Port C)IP Address and Port D)Both B & C // correct Q.3: Which TCP listener method is used to listen incomming connection requests A)Accept() B)Start() // correct C)AcceptTCPClient() D)none Q.4: Which property of TCP listener give the underline endpoint of current TCP listener A)EndPoint B)Exclusive Address C)Local EndPoint // correct D)Server Q.5: What AcceptSocket() method do? A)listening for incomming connections B)accept pending connection request as an asyncronous operation C)determine if there are pending connection request D)accept pending connection reuest // correct Q.6: In socket programming data received and send only in? A)Byte[] // correct B)Char[] C)int[] D)none of above Q.7: Which method is used to receive data from socket? A)Get() B)Receive() // correct C)Accept() D)none Q.8: RemoteEndPiont property is must be called after A)Pending() B)Start() C)Accept() // correct D)Create()
- 2. Q.9: which method is used to send data from server to the client? A)Post() B)Send() // correct C)Finalize() D)none Q.10: What is the type of RemoteEndPoint property? A)RemotePoint B)Remote C)EndPoint // correct D)none Q.11: Which method is used to convert srting into IP Address? A)Parse() B)IPAddress.Convert() C)IPAddress.Parse() // correct D)IPAddress() Q.12: What are the two arguments of TCP listener constructor , when we make its object A)IPAddress B)PortNo C)IPAddress & PortNo // correct D)MAC Address Q.13: Which method is used to close socket? A)Decline() B)Remove() C)Stop() D)Close() // correct Q.14: What is the type of LocalEndPoint property? A)EndPoint // correct B)RemotePoint C)Remote D)none Q.15: Which method is used to close the TCP listener? A)Finalize() B)Close() C)Ecline() D)Stop() // correct Q.16: From which class TcpClient class is inherited? A)TCP B)IDisposible C)SocketClass D)none
- 3. Q.17: Which method is used to release the managed and unmanaged resources used by the TCPCLient? A)EndConnect() B)Dispose() // Dispose C)Remove() D)Finalize() Q.18: What is the use of Connect(IPAddress, Int32)? A)Connect the client to Local TCP host B)Connect the client to Remote TCP host // correct C)Connect the client to Local TCP host as an asynchronous operation D)Connect the client to Remote TCP host as an asynchronous operation Q.19: Which method is used to dispose the TCPClient instance?? A)Dispose() B)Stop() C)Close() // correct D)Remove() Q.20: Waht is the return type of TcpClient.GetStream() method? A)ByteStream B)SocketStream C)NetworkStream //Correct D)FileStream