Questions

Q:

What is logical link control?

Answer

One of two sublayers of the data link layer of OSI reference model, as defined by the IEEE 802 standard. This sublayer is responsible for maintaining the link between computers when they are sending data across the physical network connection

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Subject: Networking
Job Role: Network Engineer

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Q:

The wavelength of a wave is the distance between

A) Crest and Trough B) Crest and Crest
C) Trough and Trough D) Both B & C
 
Answer & Explanation Answer: D) Both B & C

Explanation:

Distance between two Consecutive Crests or two Consecutive Troughs is called Wavelength. But the distance between crest and adjacent trough is half the wavelength.

That is the distance between adjacent crest and trough is called Half the wavelength.

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

Plants that make their own food are called

A) Autotrophs B) Hydrophylls
C) Decomposers D) Heterotrophs
 
Answer & Explanation Answer: A) Autotrophs

Explanation:

Plants make their own food through the process of photosynthesis. Plants are self-sufficient. Green plants have the ability to prepare their own food and this is the reason why they are called autotrophs.

                                        Autotrophs1530267836.jpg image


They make their own food through the process of photosynthesis using light energy to make sugars from carbon dioxide (C02) and water (H20). The chlorophyll which is present in the leaves is the main reason for the production of food in the plants and it is the reason for the greenery of the leaves too.

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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

Which is the only bird that can rotate its head to 270 degrees?

A) Kiwis B) Owl
C) Peacock D) Pigeon
 
Answer & Explanation Answer: B) Owl

Explanation:

The only bird that can rotate its head to 270 degrees is OWL.

the_only_bird_that_can_rotate_its_head_to_270_degrees1552025348.jpg image

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Filed Under: Animals and Birds
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

Improve the following code using typedef.

struct node

{

      int data1;  float data2;

       struct node *left;

       struct node *right;

};

struct node *ptr;

ptr = (struct node *) malloc (sizeof (struct node) ); 

Answer

typedef struct node * treeptr


typedef struct node


{


         int data1;


         float data2;


         treeptr *left;


         treeptr *right;


}treenode;


treeptr ptr;


ptr = ( treeptr ) malloc ( sizeof ( treenode ) );

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Subject: Programming

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Q:

Can any one of you give me the right answer for this riddle?

 

Answer

The answer is letter ‘f’.


 


1 year = 12 months (February = 1 `f`, comes only once in the spelling of all the months)


1 month = 4 weeks (first, fourth = 2 f’s, comes twice in a month)


1 week = 7 days (first, fourth, fifth = 4 f`s, comes 4 times in a week)


1 day = 24 hours (four, five, fourteen, fifteen, twenty-four= 6 f’s, comes 6 times in a day


 

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Subject: Logic Puzzles Exam Prep: Bank Exams

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Q:

What value will replace the question mark in the puzzle?


A) 64 B) 56
C) 46 D) 36
 
Answer & Explanation Answer: C) 46

Explanation:

The Answer is 46.

Logic ::

First number on the right hand side is the second number in the left side of equation ( and ) second number on the right side is the sum of two numbers on the left side of the equation.

 

Hence, 2 + 4 = 4(2+4) = 46.

 

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Filed Under: Math Puzzles
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

Which of the following tools can be used to identify inefficient SQL statements without executing them?

A) QMF B) Task Center
C) Visual Explain D) Development Center
 
Answer & Explanation Answer: C) Visual Explain

Explanation:
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Filed Under: IBM Certification

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