11 DBMS MCQ 5
1. Which one of the following is a set of one or more attributes taken collectively to uniquely identify a record?
a) Candidate key
b) Sub key
c) Super key
d) Foreign key
Answer:c
Explanation:Super key is the supe…Read More
12 DBMS MCQ 6
1. Using which language can a user request information from a database ?
a) Query
b) Relational
c) Structural
d) Compiler
Answer:a
Explanation:Query language is a method through which the database entries can be accessed.
…Read More
14 COMP N/W MCQ 5
5-1 Which of the following is not the External Security Threats?
A. Front-door Threats
B. Back-door Threats
C. Underground Threats
D. Denial of Service (DoS)
5-2 What is the Demilitarized Zone?
A. The area between firewall …Read More
15 MIX MCQ 1
1)The LRU algorithm
a)pages out pages that have not been used recently
b)pages out pages that have been least used recently
c)pages out pages that have been used recently
d)pages out of first page in a given order
ANS :
1)b…Read More
16 COMP N/W MCQ 6
6-1. What is the IP Address range of APIPA?
A. 169.254.0.1 to 169.254.0.254
B. 169.254.0.1 to 169.254.0.255
C. 169.254.0.1 to 169.254.255.254
D. 169.254.0.1 to 169.254.255.255
6-2. Which of the following is correct in VLSM?…Read More
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