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MCQ on Computer Networks :
1.) Size of the logical record is
- 20780 bytes
- 31978 bytes
- 32767 bytes
- 32761 bytes
2.) Size of XNS address is
- 6 bytes
- 4 bytes
- 12 bytes
- 8 bytes
3.) Fork() is to
- divide the process
- do fragmentation
- create child process
- pass the data
4.) Size of transmission header
- 6 bytes
- 26 bytes
- 6 to 26 bytes
- 6 to 32 bytes
5.) accept() system call returns
- A port number
- A socket descriptor
- An address
- An address structure
6.) Closesocket() returns
- integer
- float
- char
- double
7.) BSD is
- Bell Software Descriptor
- Berkeley standard distribution
- The Berkeley socket descriptor
- Berkeley Software Distribution
8.) Address conversion routines are
- inetaddr and sockaddr_in
- sockaddr_in and inet_ntoa
- inet_ntoa and inet_addr
- inet_ntoa and sockaddr
9.) In winsock, method for error handling is
- WSAsocket
- WSAconnect
- WSAGetLastError
- getsockname
10.) WSASendTo is to send
- Data in the connection-oriented mode
- Data in the connection-less mode
- Control data
- ASCII data
11.) SOCKET_ERROR is
- 0
- 1
- -1
- Any positive integer
12.) CF_DEFER is
- A value returned by socket()
- A value returned by bind()
- The value returned by connect()
- A value returned by condition function
13.) Three operations that can be performed on routing sockets are
- Write, read and insert
- Write, read and delete
- The Write, read and sysctl
- Read, check and insert
14.) Number of routing messages are
- 10
- 12
- 14
- 6
15.) Which of the following is the argument for getrt command?
- Port number
- IP address
- Socket descriptor
- An address structure
16.) rti_info is
- A socket address structure
- A buffer
- The bitmask array
- A char array
17.) Two types of ICMP messages are
- Error and Query messages
- Request and Reply messages
- Data and Control messages
- Raw and Reply messages
18.) Remote applications provided by 4.3 BSD are
- rlogin
- telnet
- rlogin and telnet
- TFTP
19.) TFTP Error Code 3 identifies —————————- error
- File not found
- Access violation
- Disk full
- Illegal TFTP operation
20.) RFC 867 is for
- TIME Protocol
- Daytime Protocol
- Network Time Protocol
- 4.3 BSD timed protocol
21.The structure or format of data is called ___________
a) Syntax
b) Semantics
c) Struct
d) Formatting
22.Communication between a computer or a keyboard involves ______________ transmission.
a) Automatic
b) Half-duplex
c) Full-duplex
d) Simplex
23. URL stands for ________
a) unique reference label
b) uniform reference label
c) uniform resource locator
d) unique resource locator
24. An alternative to JavaScript on windows platform is _______
a) VBScript
b) ASP.NET
c) JSP
d) PHP
25. HTTP is ________ protocol.
a) application layer
b) transport layer
c) network layer
d) data link layer
26. In Active mode FTP, the client initiates both the control and data connections.
a) True
b) False
27. WiMAX stands for ___________
a) wireless maximum communication
b) worldwide interoperability for microwave access
c) worldwide international standard for microwave access
d) wireless internet maximum communication
28. Which kind of Ethernet framing is used for TCP/IP and DEC net?
a) Ethernet 802.3
b) Ethernet 802.2
c) Ethernet II
d) Ethernet SNAP
29. The Novell’s implementation of RIP(Routing Information Protocol) updates routing tables every _________ seconds.
a) 60
b) 90
c) 10
d) 30
30._____________ allows LAN users to share computer programs and data.
a) Communication server
b) Print server
c) File server
d) Network
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