Elearn 4
Authored by Bình Thanh
Other
University
Used 1+ times
AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 1 : The attenuation of fiber-optic cable does not depend on :
Electromagnetic interference
Category
Bend radius and number of bends
Distance
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 2 : I. The errors of received data must be corrected II. The data with errors must be retransmitted III. The data with errors must be discarded
None is correct
III.
I. and II.
II.
I.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 3: What is correct about the benefits of fiber-optic communications?
High attenuation, narrow bandwidth, slight, non-electromagnetic interference, high security
Low attenuation, wide bandwidth, slight, non-electromagnetic interference, high security,cheap
Low attenuation, wide bandwidth,slight, non-electromagnetic interference, high security
Low attenuation, narrow bandwidth, slight, non-electromagnetic interference, high security
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 4: Which of the following aspects does not make the received signal distorted?
Limited signal bandwidth
Distance
Limited channel bandwidth
Noise
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 5: Synchronous transmission is done between...
2 PCs via network interface card
2 PCs via network interface card
Mouse and PC
Keyboard and PC
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 6 : The minimum Hamming distance of an error control coding scheme is dₘᵢₙ = 5, this scheme is able to...
Detect up to 4 error bits or correct up to 1 error bits
Detect up to 4 error bits or correct up to 2 error bits
Detect up to 5 error bits or correct up to 1 error bits
Detect up to 5 error bits or correct up to 2 error bits
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 7 : A signal is sampled at 8000 samples/s and the amplitude of the signal is quantized by 256 levels. The data rate is...?
64Kbps
16Kbps
64Kbps
128Kbps
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Classlink
Continue with Clever
or continue with
Microsoft
%20(1).png)
Apple
Others
Already have an account?
Similar Resources on Wayground
15 questions
Câu hỏi ôn tập củng cố kiến thức
Quiz
•
University
14 questions
Comm Skills for CJ - Chapter 9
Quiz
•
University
15 questions
Week #1, Lab day #1-Infection Control & Safety
Quiz
•
University
10 questions
Dasar Sistem Kontrol
Quiz
•
University
10 questions
Thanh lý tài sản, các khoản nợ - Luật phá sản
Quiz
•
University
10 questions
SIGLASYDIVISIÓNPALABRAS
Quiz
•
University
10 questions
Refresh
Quiz
•
University
10 questions
AI NHỚ TÀI THẾ!
Quiz
•
University - Professi...
Popular Resources on Wayground
15 questions
Fractions on a Number Line
Quiz
•
3rd Grade
20 questions
Equivalent Fractions
Quiz
•
3rd Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
22 questions
fractions
Quiz
•
3rd Grade
20 questions
Main Idea and Details
Quiz
•
5th Grade
20 questions
Context Clues
Quiz
•
6th Grade
15 questions
Equivalent Fractions
Quiz
•
4th Grade
20 questions
Figurative Language Review
Quiz
•
6th Grade
Discover more resources for Other
12 questions
IREAD Week 4 - Review
Quiz
•
3rd Grade - University
23 questions
Subject Verb Agreement
Quiz
•
9th Grade - University
7 questions
Force and Motion
Interactive video
•
4th Grade - University
7 questions
Renewable and Nonrenewable Resources
Interactive video
•
4th Grade - University
5 questions
Poetry Interpretation
Interactive video
•
4th Grade - University
19 questions
Black History Month Trivia
Quiz
•
6th Grade - Professio...
15 questions
Review1
Quiz
•
University
15 questions
Pre1
Quiz
•
University