Most Frequently asked questions series 9

1) Which model depicts the profile of the end users of a computer system. (Software Engineering)
a. Spiral model
b. Iterative model
c. Waterfall model
d. User model

2) How many types of Prototype models are there? (Software Engineering)

a. 2
b. 3
c. 5
d. 4

3) Fanin in an OO context indicates. (Software Engineering)

a. Objects
b. Inheritance
c. Messages
d. Polymorphism

4) How many address lines are needed to address each memory location in a 2048 x 4 memory chip? (Networking)

a. 10 
b. 11
c. 8
d. 12

5)  Which one of the following statement is true for a layer-4 firewall which is a device that can look at all protocol headers up to the transport layer? (Networking)

a. It cannot block TCP traffic from a specific user on a multiple-user system during 9.00pm and 5.00pm
b. It cannot stop incoming traffic from a specific IP address but allow outgoing traffic to the same IP address.
c. It cannot block entire HTTP traffic during 9.00 pm and 5.00pm
d. It cannot block all ICMP traffic.

6) C programming:  What function should be used to free the memory allocated by calloc() ?

a. dealloc();
b. malloc(variable_name, 0)
c. free();
d. memalloc(variable_name, 0) 

7) A transparent DBMS? (Database)

a. Can not hide sensitive information from users
b. Keep its logical structure hidden from users
c. Keeps its physical structure hidden from users
d. Both B and C

8) An unnormalized relation contains values ? 

a. Atomic
b. Non - Atomic
c. Classified
d. None of these

9) Primitive operations common to all record management system include ? (Database)

a. Print
b. Sort
c. Look up
d. All of above

Answers

1) d

2) d

3) b

4) b

5) c

6) c

7) c

8) c

9) c