IT-SPECIALIST OFFICER

        IBPS SO IT paper 2012    (As found on the internet)

  1.  A special type gateway that can keep external users from accessing resources on the LAN users     access the external info is called:

1. Repeater
2. Firewall*
3. Encryption
4. Hub
5. None of these
1. What is the name given to the exchange of control signals which is necessary for establishing a connection between a modem and a computer at one end of a line and another modem and computer at the other end?
1. Handshaking*
2. Modem options
3. Protocol
4. All of these
5. None of these
2. In SQL, which command is used to changes data in a data table?
1. UPDATE*
2. INSERT
3. BROWSE
4. APPEND
5. None of these
3. In SQL, which of the following is not a data definition language command?
1. RENAME
2. REVOKE
3. GRANT
4. UPDATE*
5. None of these
4. Which command(s) is (are) used to redefine a column of the table in SQL ?
1. ALTER TABLE*
2. DEFINE TABLE
3. MODIFY TABLE
4. ALL of the these
5. None of these
5. In a relational schema, each tuple is divided into fields called
1. Relations
2. Domains
3. Queries
4. All of the these
5. None of these*
6. An indexing operation
1. Sorts a file using a single key
2. Sorts file using two keys
3. Establishes an index for a file
4. Both (1) and (3)*
5. None of these
7. Data security threats include
1. Hardware failure
2. Privacy invasion
3. Fraudulent manipulation of data
4. All of these*
5. None of these
8. The language used in application programs to request data from the DBMS is referred to as the
1. DML
2. DDL
3. Query language*
4. DCL
5. None of these
9. A ___ contains the smallest unit of meaningful data, so you might call it the basic building block for a data file.
1. File structures
2. Records
3. Fields*
4. Database
5. None of these
10. A ___ means that one record in a particular record type is related to only one record of another record type.
1. One to one relationship*
2. One to many relationship
3. Many toone relationship
4. Many to many relationship
5. None of these
11. Through linked list one can implement
1. Stack
2. Graph
3. Queue
4. All of these*
5. None of these
12. A heap allows a very efficient implementation of a
1. Doubled ended queue
2. Priority queue
3. Stack
4. Trees
5. None of these
13. In files, there is a key associated with each record which is used to differentiate among different records. For every file there is at least one set of keys that is unique. Such a Key is called
1. Unique key
2. Prime attribute
3. Index key
4. Primary Key*
5. Null key
14. ____ is primarily used for mapping host names and email destinations to IP address but can also be used for other purposes.
1. TCP(transfer control protocol)
2. DNS(Domain Name System)*
3. SHA (Secure Hash Algorithm)
4. Simple Network Management Protocol (SNMP)
5. None of these
15. Override is a method
1. For an operation that replaces an inherited method for the same operation*
2. For a data that replaces an inherited method for the same operation
3. For an operation that takes arguments form library function
4. All of these
5. None of these
16. Local variables
1. Are created outside a block
2. Are known only to that block*
3. Continue to exist when their block ends
4. Are illegal in C++
5. None of these
17. ____ is virus that inserts itself into a system’s memory. Then it take number of actions when an infected file is executed.
1. Web scripting virus
2. Polymorphic virus
3. Macro virus
4. Boot sector virus
5. Resident virus*
18. This ___ data mining technique derives rules from real world case examples.
1. Waterfall model
2. RAD
3. White Box
4. Spiral model
5. Case based reasoning*
19. The ___ remains operative until the software is required.

1.      Waterfall model*

2.      Incremental model

3.      Spiral model

4.      Prototyping model

5.      Incremental model

21. Data mining evolve as a mechanism to cater the limitations of ___ systems to deal massive data sets with high dimensionality, new data type, multiple heterogeneous data resource etc.

 .        OLTP

A.     OLAP*

B.     DSS

C.     DWH

D.     None of these

22. An important application of cryptography, used in computerized commercial and financial transaction

 .        Data mining

A.     Data warehousing

B.     Digital signature*

C.     Media convergence

D.     None of these

23. Rows of a relation are called:

 .        Relation

A.     Tuples*

B.     Data structure

C.     An entity

D.     None of these

24. The drawbacks of the binary tree sort are remedied by the

 .        Linear sort

A.     Quick Sort

B.     Heap Sort

C.     Insertion Sort

D.     None of these

25. Which layer of OSI determines the interface of the system with the user?

 .        Network

A.     Application*

B.     Data link

C.     Session

D.     None of these

1. The tracks on a disk which can be accused without repositioning the R/W heads is

a. Surface
b. Cylinder
c. Cluster
d. All of these
e. None of these

Ans : b

2. Which of the following is true about GUIs ?

a. They make computers easier to use for non professionals
b. They use icons and menus that users can select with a mouse
c. Both a and b
d. All of these
e. None of these

Ans : c

3. A computer system consisting of its processor, memory and I/O devices accepts data, processes it and produces the output results. Can you tell in which component is the raw data fed ?

a. Mass Memory
b. Main Memory
c. Logic Unit
d. Arithmetic Unit
e. None of these

Ans : b

4. The mechanical diskette drive in which you insert your diskette is connected to the computer's ________ bus

a. Data
b. Communication
c. Address
d. Parallel
e. None of these

Ans : b

5. A set of programs that handle firm's database responsibilities is called a

a. Data Base Management System (DBMS)
b. Data Base Processing System (DBPS)
c. Data Management System (DMS)
d. All of these
e. None of these

Ans : d

6. You are in the process of analyzing a problem that requires you to collect and store TCP/IP Packets. Which of the following utilities is best suited for this purpose ?

a. NBTSTAT
b. Performance Monitor
c. NETSTAT
d. Network Monitor
e. DHCP Management Console

Ans : d

7. A top to bottom relationship among the items in a database is established by a

a. Hierarchical Schema
b. Network Schema
c. Relational Schema
d. All of these
e. None of these

Ans : a

8. The process of transferring data intended for a peripheral device into a disk (or intermediate store) so that it can be transferred to peripheral at a more convenient time or in bulk is known as

a. Multi Programming
b. Spooling
c. Caching
d. Virtual Programming
e. None of these

Ans : b

9. Which of the following system program forgoes the production of object code to generate absolute machine code and load it into the physical main storage location from which it will be executed immediately upon completion of the assembly ?

a. Two pass assembler
b. Load and go assembler
c. Macro processor
d. Compiler
e. None of these

Ans : b

10. Relocation bits used by relocating loader are specified (generated) by

a. Relocating loader itself
b. Linker
c. Assembler or translator
d. Macro Processor
e. None of these

Ans : b

11. From what location are the 1st computer instructions available on boot up ?

a. ROM BIOS
b. CPU
c. Boot.ini
d. CONFIG.SYS
e. None of these

Ans : a

12. Abstraction is __________

a. The act of representing the essential features of something without including much detail
b. The act of representing the features of something much detail
c. A tree structure
d. All of these
e. None of these

Ans : a

13. Aggregation is a special form of _____

a. Generalization
b. Spectalization
c. Association
d. Object
e. None of these

Ans : c

14. Consider an operation of addition. For two numbers, the operating will generate a sum. If the operand are strings and the same operation would produce a third string by concatenation. This feature is called

a. Inheritance
b. Encapsulation
c. Polymorphism
d. Binding
e. None of these

Ans : c

15. In E - R diagrams, the term cardinality is a synonym for the term ___

a. Attribute
b. Degree
c. Entities
d. Cartesian
e. None of these

Ans : b

16. An oracle server index ____

a. Is a schema object
b. Is used to speed up the retrieval of rows by using a pointer
c. Is independent of the table it indexes
d. All of these
e. None of these

Ans : d

17. Which of the following is not a context free grammar components ?

a. Terminal symbols
b. Non termincal symbol
c. Production line
d. List
e. None of these

Ans : d

18. Which of the following is a phase of RAD model ?

a. Business modeling
b. Data modeling
c. Application generation
d. All of these
e. None of these

Ans : d

19. ______ is a set design steps that allows a DFD with transform flow characteristics to be mapped into a predefined template for program structure.

a. Transaction flow
b. Contributor
c. Transform mapping
d. Design evaluation
e. None of these

Ans : c

20. A combinational logic circuit which is used to send data coming from a single source to two or more separate destinations is called as

a. Decoder
b. Encoder
c. Multiplexer
d. Demultiplexer
e. None of these

Ans : d

21. Which of the following is a Universal Gate ?

a. AND
b. OR
c. EX - OR
d. NAND
e. None of these

Ans : d

22. The 2's compliment of binary number 010111.1100 is

a. 101001.1100
b. 101000.0100
c. 010111.0011
d. 101000.0011
e. None of these

Ans : b

23. In 8086, the overflow flag is set when

a. The sum is more than 16 bits
b. Signed numbers go out their range after an arithmetic operation
c. Carry and sign flags are set
d. During subtraction
e. None of these

Ans : b

24. What does mircro processor speed depends on ?

a. Clock
b. Data bus width
c. Address bus width
d. All of these
e. None of these

Ans : c

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25. The TRAP is one of the interrupts available its INTEL 8086. Which one statement is true of TRAP ?

a. It is level triggered
b. It is negative edge triggered
c. It is positive edge triggered
d. It is both positive edge triggered and level triggered
e. None of these

Ans : d

26. A special type gateway that can keep external users from accessing resources on the LAN users access the external info is called _____

a. Repeater
b. Firewall
c. Encryption
d. Hub
e. None of these

Ans : b

27. What is the name given to the exchange of control signals which is necessary for establishing a connection between a modem and a computer at one end of a line and another modem and computer at the other end ?

a. Handshaking
b. Modem Options
c. Protocol
d. All of these
e. None of these

Ans : a

28. In SQL, which command is used to change data in a data table ?

a. UPDATE
b. INSERT
c. BROWSE
d. APPEND
e. None of these

Ans : a

29. In SQL, which of the following is not a data definition language command ?

a. RENAME
b. REVOKE
c. GRANT
d. UPDATE
e. None of these

Ans : d

30. Which command(s) is(are) used to redefine a column of the table in SQL ?

a. ALTER TABLE
b. DEFINE TABLE
c. MODIFY TABLE
d. All of these
e. None of these

Ans : a

31. In a relational schema, each tuple is divided into fields called

a. Relations
b. Domains
c. Queries
d. All of the these
e. None of these

Ans : b

32. An indexing operation

a. Sorts a file using a single key
b. Sorts file using two keys
c. Establishes an index for a file
d. Both a and c
e. None of these

Ans : c

33. Data security threats include

a. Hardware failure
b. Privacy invasion
c. Fraudulent manipulation of data
d. All of these
e. None of these

Ans : b

34. The language used in application programs to request data from the DBMS is referred to as the

a. DML
b. DDL
c. Query Language
d. DCL
e. None of these

Ans : a

35. A________ contains the smallest unit of meaningful data, so you might call it the basic building block for a data file.

a. File Structures
b. Records
c. Fields
d. Data base
e. None of these

Ans : c

36. A ______ means that one record in a particular record type is related to only one record of another record type.

a. One-to-one relationship
b. One-to-many relationship
c. Many-to-one relationship
d. Many-to-many relationship
e. None of these

Ans : a

37. Through linked list one can implement ____

a. Stack
b. Graph
c. Queue
d. All of these
e. None of these

Ans : d

38. A heap allows a very efficient implementation of a ____

a. Double ended queue
b. Priority queue
c. Stack
d. Trees
e. None of these

Ans : b

39. In files, there is a key associated with each record which is used to differentiate among different records. For every file there is atleast one set of keys that is unique. Such a Key is called ____

a. Unique Key
b. Prime attribute
c. Index key
d. Primary Key
e. Null key

Ans : d

40. _____ is primarily used for mapping host names and email destinations to IP address but can also be used for other purposes

a. TCP (Transfer Control Protocol)
b. DNS (Domain Name System)
c. SHA (Secure Hash Algorithm)
d. Simple Network Management Protocol (SNMP)
e. None of these

Ans : b

41. Override is a method ____

a. For an operation that replaces an inherited method for the same operation
b. For a data that replaces an inherited method for the same operation
c. For an operation that takes arguments from library function
d. All of these
e. None of these

Ans : a

42. Local Variables ______

a. Are created outside a block
b. Are known only to that block
c. Continue to exist when their block ends
d. Are illegal in C++
e. None of these

Ans : b

43. ______ is virus that inserts itself into a system's memory. Then it take number of actions when an infected file is executed.

a. Web scripting virus
b. Polymorphic Virus
c. Macro virus
d. Boot sector virus
e. Resident virus

Ans : e

44. This _____ data mining technique derives rules from real world case examples.

a. Waterfall model
b. RAD
c. White Box
d. Spiral model
e. Case based reasoning

Ans : e

45. The ____ model remains operative until the software is required.

a. Waterfall model
b. Incremental model
c. Spiral model
d. Prototyping model
e. Incremental model

Ans : c

46. Data mining evolve as a mechanism to cater the limitations of ____ systems to deal massive data sets with high dimensionality, new data type, multiple heterogeneous data resource etc..

a. OLTP
b. OLAP
c. DSS
d. DWH
e. None of these

Ans : a

47. An important application of cryptography, used in computerized commercial and financial transaction ____

a. Data mining
b. Data warehousing
c. Digital signature
d. Media convergence
e. None of these

Ans : c

48. Rows of a relation are called __

a. Relation
b. Tuples
c. Data structure
d. An entity
e. None of these

Ans : b

49. The drawbacks of the binary tree sort are remedied by the

a. Linear sort
b. Quick sort
c. Heap Sort
d. Insertion sort
e. None of these

Ans : c

50. Which layer of OSI determines the interface of the system with the user ?

a. Network
b. Application
c. Data link
d. Session
e. None of these

Ans : b                           

                                                   NETWORKING

1. When collection of various computers seems a single coherent system to its client, then it is called
a) computer network
b) distributed system
c) both (a) and (b)
d) none of the mentioned
View Answer

Answer:b
Explanation:None.

2. Two devices are in network if
a) a process in one device is able to exchange information with a process in another device
b) a process is running on both devices
c) PIDs of the processes running of different devices are same
d) none of the mentioned
View Answer

Answer:a
Explanation:None.

3. Which one of the following computer network is built on the top of another network?
a) prior network
b) chief network
c) prime network
d) overlay network
View Answer

Answer:d
Explanation:None.

4. In computer network nodes are
a) the computer that originates the data
b) the computer that routes the data
c) the computer that terminates the data
d) all of the mentioned
View Answer

Answer:d
Explanation:None.

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5. Communication channel is shared by all the machines on the network in
a) broadcast network
b) unicast network
c) multicast network
d) none of the mentioned
View Answer

Answer:a
Explanation:None.

6. Bluetooth is an example of
a) personal area network
b) local area network
c) virtual private network
d) none of the mentioned
View Answer

Answer:a
Explanation:None.

7. A _____ is a device that forwards packets between networks by processing the routing information included in the packet.
a) bridge
b) firewall
c) router
d) all of the mentioned
View Answer

Answer:c
Explanation:None.

8. A list of protocols used by a system, one protocol per layer, is called
a) protocol architecture
b) protocol stack
c) protocol suit
d) none of the mentioned
View Answer

Answer:b
Explanation:None.

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9. Network congestion occurs
a) in case of traffic overloading
b) when a system terminates
c) when connection between two nodes terminates
d) none of the mentioned
View Answer

Answer:a
Explanation:None.

10. Which one of the following extends a private network across public networks?
a) local area network
b) virtual private network
c) enterprise private network
d) storage area network
View Answer

Answer:b

1) The IETF standards documents are called  (Internet Engineering task force )
a) RFC   Request For Comments
b) RCF
c) ID
d) None of the mentioned
View Answer

Answer: a
Explanation: Request For Comments.

2) In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are
a) Added
b) Removed
c) Rearranged
d) Modified
View Answer

Answer: a
Explanation: Every layer adds its own header to the packet from previous layer. Uppermost layer – Application layer . Lowermost layer –Physical

3) The structure or format of data is called
a) Syntax
b) Semantics
c) Struct
d) None of the mentioned
View Answer

Answer: a
Explanation: Semantics defines how a particular pattern to be interpreted, and what action is to be taken based on that interpretation.

4) Communication between a computer and a keyboard involves ______________ transmission
a) Automatic
b) Half-duplex
c) Full-duplex
d) Simplex
View Answer

Answer: d
Explanation: Data flows in single direction.

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5) The first Network
a) CNNET
b) NSFNET
c) ASAPNET
d) ARPANET
View Answer

Answer: d
Explanation: None.

6) The _______ is the physical path over which a message travels
a) Ppath
b) Medium
c) Protocol
d) Route
View Answer

Answer: b
Explanation: Message travel from sender to reciever via a medium using a protocol.

8) Which of this is not a network edge device?
a) PC
b) Smartphones
c) Servers
d) Switch
View Answer

Answer: d
Explanation: Network egde devices refer to host systems, which can host applications like web browser.

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9) A set of rules that governs data communication
a) Protocols
b) Standards
c) RFCs
d) None of the mentioned
View Answer

Answer: a
Explanation: None.

10) Three or more devices share a link in ________ connection
a) Unipoint
b) Multipoint
c) Point to point
d) None of the mentioned
View Answer

Answer: b

1. OSI stands for
a) open system interconnection
b) operating system interface
c) optical service implementation
d) none of the mentioned
View Answer

Answer:a
Explanation:None.

2. The OSI model has ___ layers.
a) 4
b) 5
c) 6
d) 7
View Answer

Answer:d
Explanation:None.

3. TCP/IP model does not have ______ layer but OSI model have this layer.
a) session layer
b) presentation layer
c) application layer
d) both (a) and (b)
View Answer

Answer:d
Explanation:None.

4. Which layer links the network support layers and user support layers
a) session layer
b) data link layer
c) transport layer
d) network layer
View Answer

Answer:c
Explanation:Physical, data link and network layers are network support layers and session, presentation and application layers are user support layers.

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5. Which address is used in an internet employing the TCP/IP protocols?
a) physical address and logical address
b) port address
c) specific address
d) all of the mentioned
View Answer

Answer:d
Explanation: Four levels of addresses are used in an internet employing the TCP/IP protocols: physical (link) addresses, logical (IP) addresses, port addresses, and specific addresses.

Addresses in TCP/IP network model
Each address is related to a specific layer in the TCP/IP network model architecture, as shown in Figure 2.18.

Port address

Today, computers are devices that can run multiple processes at the same time. The end objective of Internet communication is a process communicating with another process. For example, computer A can communicate with computer C by using TELNET. At the same time, computer A communicates with computer B by using the File Transfer Protocol (FTP). For these processes to receive data simultaneously, we need a method to label the different processes. In other words, they need addresses. In the TCP/IP network model architecture, the label assigned to a process is called a port address. A port address in TCP/IP network model is 16 bits in length.

Specific Addresses in a network model :

Some applications have user-friendly addresses that are designed for that specific address. Examples include the e-mail address (for example, network-model@network.edu) and the Universal Resource Locator (URL) (for example, www.network-model.com). The first defines the recipient of an e-mail, the second is used to find a document on the World Wide Web.

Addresses, however, get changed to the corresponding port and logical addresses by the sending computer in a network model.

6. TCP/IP model was developed _____ the OSI model.
a) prior to
b) after
c) simultaneous to
d) none of the mentioned
View Answer

Answer:a
Explanation:None.

7. Which layer is responsible for process to process delivery?
a) network layer
b) transport layer
c) session layer
d) data link layer
View Answer

Answer:b
Explanation:None.

8. Which address identifies a process on a host?
a) physical address
b) logical address
c) port address
d) specific address
View Answer

Answer:c
Explanation:None.

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9. Which layer provides the services to user?
a) application layer
b) session layer
c) presentation layer
d) none of the mentioned
View Answer

Answer:a
Explanation:None.

10. Transmission data rate is decided by
a) network layer
b) physical layer
c) data link layer
d) transport layer
View Answer

Answer:b

1. The physical layer concerns with
a) bit-by-bit delivery
p) process to process delivery
c) application to application delivery
d) none of the mentioned
View Answer

Answer:a
Explanation:None.

2. Which transmission media has the highest transmission speed in a network?
a) coaxial cable
b) twisted pair cable
c) optical fiber
d) electrical cable
View Answer

Answer:c
Explanation:None.

3. Bits can be send over guided and unguided media as analog signal by
a) digital modulation
b) amplitude modulation
c) frequency modulation
d) phase modulation
View Answer

Answer:a
Explanation: Bits are digital so digital modulation.

4. The portion of physical layer that interfaces with the media access control sublayer is called
a) physical signalling sublayer
b) physical data sublayer
c) physical address sublayer
d) none of the mentioned
View Answer

Answer:a
Explanation:None.

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5. physical layer provides
a) mechanical specifications of electrical connectors and cables
b) electrical specification of transmission line signal level
c) specification for IR over optical fiber
d) all of the mentioned
View Answer

Answer:d
Explanation:None.

6. In asynchronous serial communication the physical layer provides
a) start and stop signalling
b) flow control
c) both (a) and (b)
d) none of the mentioned
View Answer

Answer:c
Explanation:None.

7. The physical layer is responsible for
a) line coding
b) channel coding
c) modulation
d) all of the mentioned
View Answer
Answer:d
Explanation: In telecommunications, node-to-node data transfer is the movement of data from one node of a network to the next. In the OSI model it is handled by the lowest two layers, the data link layer and the physical layer.
In most communication systems, the transmitting point applies source coding, followed by channel coding, and lastly, line coding. This produces the baseband signal. Some systems then use modulation to multiplex many baseband signals into a broadband signal. (The receiver un-does these transformations in reverse order: demodulation, trellis decoding, error detection and correction, decompression).
8. The physical layer translates logical communication requests from the ______ into hardware specific operations.
a) data link layer
b) network layer
c) trasnport layer
d) application layer
View Answer

Answer:a
Explanation:None.

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9. A single channel is shared by multiple signals by
a) analog modulation
b) digital modulation
c) multiplexing
d) none of the mentioned
View Answer

Answer:c
Explanation:None.

10. Wireless transmission can be done via
a) radio waves
b) microwaves
c) infrared
d) all of the mentioned
View Answer

Answer:d
Explanation:None.

1. The data link layer takes the packets from _____ and encapsulates them into frames for transmission.
a) network layer
b) physical layer
c) transport layer
d) application layer
View Answer

Answer:a
Explanation:None.

2. Which one of the following task is not done by data link layer?
a) framing
b) error control
c) flow control
d) channel coding
View Answer

Answer:d
Explanation:None.

3. Which sublayer of the data link layer performs data link functions that depend upon the type of medium?
a) logical link control sublayer
b) media access control sublayer
c) network interface control sublayer
d) none of the mentioned
View Answer

Answer:b
Explanation:None.

4. Header of a frame generally contains
a) synchronization bytes
b) addresses
c) frame identifier
d) all of the mentioned
View Answer

Answer:d
Explanation:None.

5. Automatic repeat request error management mechanism is provided by
a) logical link control sublayer
b) media access control sublayer
c) network interface control sublayer
d) none of the mentioned
View Answer

Answer:a
Explanation: The data link layer functionality is usually split it into logical sub-layers, the upper sub-layer, termed as LLC, that interacts with the network layer above and the lower sub-layer, termed as MAC, that interacts with the physical layer below.

While LLC is responsible for handling multiple Layer3 protocols (multiplexing/de-multiplexing) and link services like reliability and flow control, the MAC is responsible for framing and media access control for broadcast media. The functional overview of LLC and MAC sub-layers are given in the diagram below .

6. When 2 or more bits in a data unit has been changed during the transmission, the error is called
a) random error
b) burst error
c) inverted error
d) none of the mentioned
View Answer

Answer:b
Explanation: such errors can not be identified for correction.

7. CRC stands for
a) cyclic redundancy check
b) code repeat check
c) code redundancy check
d) cyclic repeat check
View Answer

Answer:a
Explanation:None.

8. Which one of the following is a data link protocol?
a) ethernet
b) point to point protocol
c) HDLC
d) all of the mentioned
View Answer

Answer:d
Explanation:None.

9. Which one of the following is the multiple access protocol for channel access control?
a) CSMA/CD
b) CSMA/CA
c) both (a) and (b)
d) none of the mentioned
View Answer

Answer:c
Explanation:None.

10. The technique of temporarily delaying outgoing outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is called
a) piggybacking
b) cyclic redundancy check
c) fletcher’s checksum
d) none of the mentioned
View Answer

Answer:a
Explanation:None.

1. The network layer concerns with
a) bits
b) frames
c) packets
d) none of the mentioned
View Answer

Answer:c
Explanation:None.

2. Which one of the following is not a function of network layer?
a) routing
b) inter-networking
c) congestion control
d) none of the mentioned
View Answer

Answer:d
Explanation:None.

3. The 4 byte IP address consists of   
a) network address
b) host address
c) both (a) and (b)
d) none of the mentioned
View Answer

Answer:c
Explanation: Four byte means 32 bits

4. In virtual circuit network each packet contains
a) full source and destination address
b) a short VC number
c) both (a) and (b)
d) none of the mentioned
View Answer

Answer:b
Explanation: Virtual circuit

5. Which one of the following routing algorithm can be used for network layer design?
a) shortest path algorithm
b) distance vector routing
c) link state routing
d) all of the mentioned
View Answer

Answer:d
Explanation:None.

7. A subset of a network that includes all the routers but contains no loops is called
a) spanning tree
b) spider structure
c) spider tree
d) none of the mentioned
View Answer

Answer:a
Explanation:None.

8. Which one of the following algorithm is not used for congestion control?
a) traffic aware routing
b) admission control
c) load shedding
d) none of the mentioned
View Answer       - ALL ARE USED

Answer:d
Explanation:None.

9. The network layer protocol of internet is
a) ethernet
b) internet protocol
c) hypertext transfer protocol
d) none of the mentioned
View Answer

Answer:b
Explanation:None.

10. ICMP is primarily used for
a) error and diagnostic functions          (ping)
b) addressing
c) forwarding
d) none of the mentioned
View Answer

Answer:a
Explanation:None.

1. Transport layer aggregates data from different applications into a single stream before passing it to
a) network layer
b) data link layer
c) application layer
d) physical layer
View Answer

Answer:a
Explanation:None.

2. Which one of the following is a transport layer protocol used in internet?
a) TCP
b) UDP
c) both (a) and (b)
d) none of the mentioned
View Answer

Answer:c
Explanation:None.

3. User datagram protocol is called connectionless because
a) all UDP packets are treated independently by transport layer
b) it sends data as a stream of related packets
c) both (a) and (b)
d) none of the mentioned
View Answer

Answer:a
Explanation:None.

4. Transmission control protocol is
a) connection oriented protocol
b) uses a three way handshake to establish a connection
c) recievs data from application as a single stream
d) all of the mentioned
View Answer

Answer:d
Explanation:None.

5. An endpoint of an inter-process communication flow across a computer network is called
a) socket
b) pipe
c) port
d) none of the mentioned
View Answer

Answer:a
Explanation:None.

6. Socket-style API for windows is called
a) wsock
b) winsock
c) wins
d) none of the mentioned
View Answer

Answer:b
Explanation:None.

7. Which one of the following is a version of UDP with congestion control?
a) datagram congestion control protocol
b) stream control transmission protocol
c) structured stream transport
d) none of the mentioned
View Answer

Answer:a
Explanation:None.

8. A _____ is a TCP name for a transport service access point.
a) port
b) pipe
c) node
d) none of the mentioned
View Answer

Answer:a
Explanation:None.

9. Transport layer protocols deals with
a) application to application communication
b) process to process communication
c) node to node communication
d) none of the mentioned
View Answer

Answer:b
Explanation:None.

1. The ____ translates internet domain and host names to IP address.
a) domain name system
b) routing information protocol
c) network time protocol
d) internet relay chat
View Answer

Answer:a
Explanation:None.

2. Which one of the following allows a user at one site to establish a connection to another site and then pass keystrokes from local host to remote host?
a) HTTP
b) FTP
c) telnet
d) none of the mentioned
View Answer

Answer:c
Explanation:None.

3. Application layer protocol defines
a) types of messages exchanged
b) message format, syntax and semantics
c) rules for when and how processes send and respond to messages
d) all of the mentioned
View Answer

Answer:d
Explanation:None.

4. Which one of the following protocol delivers/stores mail to reciever server?
a) simple mail transfer protocol
b) post office protocol
c) internet mail access protocol
d) hypertext transfer protocol
View Answer

Answer:a
Explanation:None.

6. Which one of the following is an internet standard protocol for managing devices on IP network?
a) dynamic host configuration protocol
b) simple newtwork management protocol
c) internet message access protocol
d) media gateway protocol
View Answer

Answer:b
Explanation:None.

7. Which one of the following is not an application layer protocol?
a) media gateway protocol
b) dynamic host configuration protocol
c) resource reservation protocol
d) session initiation protocol
View Answer

Answer:c
Explanation:None.

8. Which protocol is a signalling communication protocol used for controlling multimedia communication sessions?
a) session initiation protocol
b) session modelling protocol
c) session maintenance protocol
d) none of the mentioned
View Answer

Answer:a
Explanation:None.

                                                                                    

9. Which one of the following is not correct?
a) application layer protocols are used by both source and destination devices during a communication session
b) application layer protocols implemented on the source and destination host must match
c) both (a) and (b)
d) none of the mentioned
View Answer

Answer:c
Explanation:None.

10. When displaying a web page, the application layer uses the
a) HTTP protocol
b) FTP protocol
c) SMTP protocol
d) none of the mentioned
View Answer

Answer:a
Explanation:None.

1) This is not a application layer protocol
a) HTTP
b) SMTP
c) FTP
d) TCP
View Answer

Answer: d
Explanation: TCP is transport layer protocol

2) The packet of information at the application layer is called
a) Packet
b) Message
c) Segment
d) Frame
View Answer

Answer: b
Explanation: None.

3) This is one of the architecture paradigm
a) Peer to peer
b) Client-server
c) HTTP
d) Both a and b
View Answer

Answer: d
Explanation: HTTP is a protocol.

4) Application developer has permission to decide the following on transport layer side
a) Transport layer protocol  (which protocol to be used)
b) Maximum buffer size
c) Both of the mentioned
d) None of the mentioned
View Answer

Answer: c
Explanation: None.

5) Application layer offers _______ service
a) End to end                                                  All layers from TCP upwards are end to end.
b) Process to process
c) Both of the mentioned
d) None of the mentioned
View Answer

Answer: a
Explanation: None.

6) E-mail is
a) Loss-tolerant application
b) Bandwidth-sensitive application
c) Elastic application
d) None of the mentioned
View Answer

Answer: c
Explanation: Because it can work with available throughput.

7) Pick the odd one out
a) File transfer
b) File download
c) E-mail
d) Interactive games
View Answer

Answer: d
Explanation: Internet telephony is Loss-tolerant other applications are not.

8) Which of the following is an application layer service ?
a) Network virtual terminal
b) File transfer, access, and management
c) Mail service
d) All of the mentioned
View Answer

Answer: d
Explanation: None.

9) To deliver a message to the correct application program running on a host, the _______ address must be consulted
a) IP
b) MAC
c) Port
d) None of the mentioned
View Answer

Answer: c
Explanation: None.

10) This is a time-sensitive service
a) File transfer
b) File download
c) E-mail
d) Internet telephony
View Answer

Answer: d
Explanation: Internet telephony is Loss-tolerant other applications are not.

12) Electronic mail uses this Application layer protocol
a) SMTP
b) HTTP
c) FTP
d) SIP
View Answer

Answer: a
Explanation: None.