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TECHNICAL QUIZ 2 Flashcards | StudBud
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TECHNICAL QUIZ 2
TECHNICAL QUIZ 2
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1
Which of the following condition is used to transmit two packets over a medium at the same time?
Synchronous
Collision
Asynchronous
Contention
2
Which scheduling algorithm is known for causing the "convoy effect"?
Shortest Job Next
First-Come, First-Served
Round Robin
Priority Scheduling
3
Which data structure is used to implement recursion?
Tree
Queue
Stack
Linked List
4
Which protocol is used to assign IP addresses automatically to devices on a network?
DNS
FTP
HTTP
DHCP
5
8. Firewall : Security :: Router : ?
Encryption
Virus Protection
Connection
Authentication
6
In OOPS, what is the concept of wrapping data and methods that operate on the data within a single unit called?
Inheritance
Abstraction
Encapsulation
Polymorphism
7
What difference does the 5th generation computer have from other generation computers?
Object-Oriented Programming
Scientific code
None of the above
Technological advancement
8
What does the term "phishing" refer to in cybersecurity?
A technique to improve network speed
A type of malware that replicates itself
attempt to obtain sensitive info by disguising as a trustworthy entity
A method of encrypting data
9
In SQL, which command is used to remove a table from a database?
DROP
REMOVE
DELETE
TRUNCATE
10
Which of the following is a characteristic of a multi-programming system?
Single user
Single program in memory
Multi users
Multiple programs in memory
11
3. Which of the following sorting algorithms has the best average-case performance?
Bubble sort
Merge sort
Selection sort
Insertion sort
12
1. Which of the following is not a valid page replacement policy?
LRU
RU
FIFO
Optimal page replacement
13
What is the time complexity of the binary search algorithm?
O(log n)
O(n log n)
O(n²)
O(n)
14
5. Which of the following is not a type of constructor in C++?
Default constructor
Friend constructor
Move constructor
Copy constructor
15
The term MIPS refers to ___
Millions input processor set
Megabytes of instructions per second
Millions of instructions per second
Multiple instructions per second
16
2. In a relational database, which of the following is used to uniquely identify a record?
Primary key
Composite key
Foreign key
Secondary key
17
The primary memory of a personal computer consists of:
Both ROM and RAM
RAM only
Memory module
ROM only
18
Which of the following is not a type of computer network?
WAN
SAN
MAN
LAN
19
6. Which of the following is used to manage data in a database?
Compiler
DBMS
Operating Sytem
Assembler
20
Decision support programs are designed to help managers make:
Vacation schedules
Business decisions
Visual presentations
Budget projections
