# Cisco Placement Questions & Answers :: Cisco

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81 / 119

func()

{

int x=1;

if(x=1)

x=1000;

else

x=10;

return x;

}

What is the return value?

A1

B10

C1000

DError

**Answer:**** Option C **

**Explanation:**

Here is no explanation for this answer

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82 / 119

**Find the output for the following C program**

```
#include<stdio.h>
int main()
{
int i=20,j,k=0;
for(j=1;j >i;j++)
{
k+=j<10?4:3;
}
printf("%d", k);
}
```

A5

B0

C10

D6

EError

**Answer:**** Option B **

**Explanation:**

Here is no explanation for this answer

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83 / 119

Find the output for the following C program

#include

int i = 10;

int main()

{

int i =20,n;

for(n=0;n<=i;)

{

int i=10;

i++;

}

printf("%d k", i);

}

A10

B20

CStack overflow

D0

**Answer:**** Option C **

**Explanation:**

Here is no explanation for this answer

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84 / 119

**Choose the correct option.**

Type duplicates of a row in a table customer with non uniform key field customer number you can see

ADelete from costomer where customer number exists( select distinct customer number from customer having count )

BDelete customer a where customer number in b rowid

CDelete customer a where custermor number in( select customer number from customer a, customer b )

DNone of the above

**Answer:**** Option A **

**Explanation:**

Here is no explanation for this answer

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85 / 119

**Choose the correct option.**

There is an employer table with key fields as employer number data in every n'th row are needed for a simple following queries will get required results.

ASelect A employee number from employee A , where exists from employee B where A employee no. = B employee having (count(*) mod n)=0

Bselect employee number from employe A, employe B where A employe number=B employ number group by employee number having(count(*) mod n=0 )

CBoth (a) & (b)

DNone of the above

**Answer:**** Option B **

**Explanation:**

Here is no explanation for this answer

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86 / 119

The UNIX shell

Adoes not come with the rest of the system

Bforms the interface between the user and the kernal

Cdoes not give any scope for programming

Ddeos not allow calling one program from with in another

Eall of the above

**Answer:**** Option B **

**Explanation:**

Here is no explanation for this answer

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87 / 119

The redirection operators > and >>

Ado the same function

Bdiffer : > overwrites, while >> appends

Cdiffer : > is used for input while >> is used for output

Ddiffer : > write to any file while >> write only to standard output

ENone of these

**Answer:**** Option B **

**Explanation:**

Here is no explanation for this answer

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88 / 119

**Choose the correct option.**

Four concentric circles are given .The radius of 1st circle is x.next is 2x,then 3x and 4x. Given that area between 2nd and 1st is A and 4th and 3rd circles being B. Find ratio of A to B

A3:7

B7:3

C3:5

DNone of these

**Answer:**** Option A **

**Explanation:**

Area of first circle = pi*(x)^2 = pi*x^2

Area of second circle = pi*(2x)^2 = 4*pi*x^2

Area of third circle = pi*(3x)^2 = 9*pi*x^2

Area of fourth circle = pi*(4x)^2 = 16*pi*x^2

Area b/w 1st and 2nd circles = 3*pi*x^2

Area b/w 3rd and 4th circles = 7*pi*x^2

So, Ratio = 3:7

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89 / 119

**Choose the correct option.**

A triangle ABC is given, a line DE is parallel to base side and that cuts the triangle. The ratio of area of triangle to the area of trapezium.

Given DE/BC = 3/5.

A9/16

B5/2

C3/16

DNone of these

**Answer:**** Option A **

**Explanation:**

The line DE divides the triangle ABC into 2 parts - triangle ADE and trapezium DBCE.The question is to find the ratio of area(ADE) to area(DBCE).

Now triangle ADE is similar to triangle ABC.

=> DE/BC = AD/AB = AE/AC ....(1)

Drawing a perpendicular from A to BC meeting BC at G and meeting DE at F.

Now AF and AG are the heights of the triangles ADE and ABC resp.

tri(ADF)~tri(ABG) => AD/AB = AF/AG ....(2)

Area of a triangle = 1/2(base*height).

Area of tri(ADE) = 1/2(DE*AF)

Area of tri(ABC) = 1/2(BC*AG)

Area of trapezium(DBCE) = area(ABC)-area(ADE) = 1/2(BC*AG-DE*AF)

Ratio - area(ADE)/area(DBCE) = (DE*AF)/(BC*AG-DE*AF) = 1/[(BC*AG-DE*AF)/(DE*AF)]

(rearranging) = 1/[(BC/DE)*(AG/AF)-1]

Using (1) and (2),(BC/DE)*(AG/AF) = (BC/DE)^2

(using given DE/BC=3/5) => BC/DE=5/3 => (BC/DE)^2 = 25/9

The required ratio = 1/(25/9-1) =1/(16/9) = 9/16

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90 / 119

**Choose the correct option.**

A company contracts to paint 3 houses. Mr.Brown can paint a house in 6 days while Mr.Black would take 8 days and Mr.Blue 12 days. After 8 days Mr.Brown goes on vacation and Mr. Black begins to work for a period of 6 days. How many days will it take Mr.Blue to complete the contract?

A7

B8

C11

D12

**Answer:**** Option C **

**Explanation:**

Here is no explanation for this answer

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Here is the list of questions asked in Solved Placement Papers of Cisco Cisco aptitude questions. Practice Cisco Written Test Papers with Solutions and take Q4Interview Cisco Online Test Questions to crack Cisco written round test. Overall the level of the Cisco Online Assessment Test is moderate. Only those candidates who clear the written exam will qualify for the next round, so practic all the questions here and take all the free tests before going for final selection process of Cisco

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