Question 1
Question
The basic component of a file in a file system is a?
Answer
-
data item
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Universe of Discourse
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software
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database system
Question 2
Answer
-
data item
-
Universe of Discourse
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software
-
database system
Question 3
Question
A relational database consists of a collection of
Answer
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Tables
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Fields
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Records
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Keys
Question 4
Question
A ________ in a table represents a relationship among a set of values.
Question 5
Question
The term _______ is used to refer to a row.
Answer
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Attribute
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Tuple
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Field
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Instance
Question 6
Question
The term attribute refers to a ___________ of a table.
Question 7
Question
For each attribute of a relation, there is a set of permitted values, called the ________ of that attribute.
Answer
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Domain
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Relation
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Set
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Schema
Question 8
Question
Can you use the UPDATE and SELECT clauses in one SQL statement?
Answer
-
You can if you use nested SQL statement
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You can’t
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You can use UPDATE and SELECT clause together, even if you don’t have nested SQL
Question 9
Question
Can we temporarily disable a login name?
Question 10
Question
Permanent setting of specific server characteristics is done by trace tags
Question 11
Question
Which of the following statements is/are false for Extended events in sql server 2008?
Answer
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Enhanced event handling system in SQL Server
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Both b and c below
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Used for problem identification or problem trouble shooting
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An architecture that is not very scalable, highly configurable
Question 12
Question
When SQL server is installed, which of the following database are created by default?
Answer
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Master
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Model
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Both a and b
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Root
Question 13
Question
Which of the following statements is/are true for SQL server?
Answer
-
SQL Server has Logical Architecture and Physical Architecture
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Both a and c
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SQL Server is compatible with the structured query language and has rich for XML
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SQL Server is a DBMS, a complete database.
Question 14
Question
What is the difference between the WHERE and HAVING SQL clauses?
Answer
-
The WHERE and the HAVING clauses are identical
The HAVING SQL clause condition(s) is applied to all rows in the result set before the
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WHERE clause is applied (if parent). The WHERE clause is used only with SELECT SQL statements and specifies a search condition for an aggregate or a group.
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HAVING clause is applied (if parent). The HAVING clause is used only with SELECT SQL statements and specifies a search condition for an aggregate or a group
Question 15
Question
What is the syntax for creation new login on the SQL server?
Answer
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USE LOGIN login_id WITH PASSWORD password
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CREATE LOGIN login_id WITH USE password
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CREATE LOGIN login_id USE password
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CREATE LOGIN login_id WITH PASSWORD password
Question 16
Question
Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that:
Answer
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A → B
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A → C.
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A → (B,C)
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(B,C) → A.
Question 17
Question
The different classes of relations created by the technique for preventing modification anomalies are called:
Question 18
Question
Which of the following gives a logical structure of the database graphically ?
Question 19
Question
The entity relationship set is represented in E-R diagram as
Answer
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Double diamonds
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Undivided rectangles
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Dashed lines
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Diamond
Question 20
Question
Consider money is transferred from (1)account-A to account-B and (2) account-B to account-A. Which of the following form a transaction ?
Question 21
Question
In OSI network architecture, the dialogue control and token management are responsibility of
Answer
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session layer
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network layer
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transport layer
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data link layer
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none of above
Question 22
Question
In OSI network architecture, the routing is performed by
Answer
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network layer
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data link layer
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transport layer
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session layer
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none of above
Question 23
Answer
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open system interconnection
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operating system interface
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optical service implementation
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none of the mentioned
Question 24
Question
The OSI model has ___ layers
Question 25
Question
Which of the following services use TCP?
DHCP
SMTP
HTTP
TFTP
FTP
Answer
-
1 and 2
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2, 3 and 5
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1, 2 and 4
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1, 3 and 4
Question 26
Question
What layer in the TCP/IP stack is equivalent to the Transport layer of the OSI model?
Answer
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Application
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Host-to-Host
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Internet
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Network Access
Question 27
Question
Which of the following describe the DHCP Discover message?
It uses FF:FF:FF:FF:FF:FF as a layer 2 broadcast.
It uses UDP as the Transport layer protocol.
It uses TCP as the Transport layer protocol.
It does not use a layer 2 destination address.
Answer
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1 only
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1 and 2
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3 and 4
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4 only
Question 28
Question
You want to implement a mechanism that automates the IP configuration, including IP address, subnet mask, default gateway, and DNS information. Which protocol will you use to accomplish this?
Question 29
Question
Which of the following is private IP address?
Answer
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12.0.0.1
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168.172.19.39
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172.15.14.36
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192.168.24.43
Question 30
Question
The _______ is the physical path over which a message travels.
Answer
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Protocol
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Medium
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Signal
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All the above
Question 31
Question
The information to be communicated in a data communications system is the _______.
Answer
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Medium
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Protocol
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Message
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Transmission
Question 32
Question
Frequency of failure and network recovery time after a failure are measures of the _______ of a network.
Answer
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Performance
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Reliability
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Security
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Feasibility
Question 33
Question
Which of this is not a class of IP address?
Answer
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ClassE
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ClassC
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ClassD
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ClassF
Question 34
Question
The class of an IP address can be determined by the ______bits of the ________ byte of the IP address.
Answer
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last four,first
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first four,first
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first four,last
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last four,last
Question 35
Question
110NNNNN . NNNNNNNN . NNNNNNNN . HHHHHHHH Which class of IP does this belong Where: N = network ID bitsH = host ID bits
Answer
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Class A
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Class B
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Class C
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Class D
Question 36
Question
Which process can affect of be affected by other processes executing in the system?
Answer
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cooperating process
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child process
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parent process
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init process
Question 37
Question
An un-interruptible unit is known as
Answer
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single
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atomic
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static
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None of these
Question 38
Question
The wait-for graph is a deadlock detection algorithm that is applicable when :
Question 39
Question
In internal fragmentation, memory is internal to a partition and :
Answer
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is being used
-
is not being used
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is always used
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None of these
Question 40
Question
Which of the following page replacement algorithms suffers from Belady’s Anomaly ?
Question 41
Question
The main virtue for using single Bus structure is ,
Question 42
Question
______ are used to over come the difference in data transfer speeds of various devices .
Question 43
Question
To extend the connectivity of the processor bus we use ______ .
Answer
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PCI bus
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SCSI bus
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Controllers
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Multiple bus
Question 44
Question
Build & Fix Model is suitable for programming exercises of ___________ LOC (Line of Code).
Answer
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100-200
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200-400
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400-1000
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above 1000
Question 45
Question
Selection of a model is based on
Question 46
Question
Which of the following tags are related to Table in HTML ?
Question 47
Question
Which of the following is an attribute of <Table> tag?
Answer
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src
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cellpadding
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Link
-
Bold
Question 48
Question
Which of the following is not a pair tag?
Question 49
Question
myarr[5] is equivalent of?
Answer
-
&(myarr + 5)
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*(myarr + 5)
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(*myarr + 5)
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None of the above
Question 50
Question
The process of building new classes from existing one is called ______.
Answer
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Polymorphism.
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Structure
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Inheritance
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Cascading