Elearn 4

Elearn 4

University

10 Qs

quiz-placeholder

Similar activities

Accounting 100

Accounting 100

University

13 Qs

Đố vui cùng ngày hội Tân sinh viên

Đố vui cùng ngày hội Tân sinh viên

University

10 Qs

Kiểm tra bài cũ - Sơ cấp 1 - Bài 1

Kiểm tra bài cũ - Sơ cấp 1 - Bài 1

University

10 Qs

EC8552_ CAO_MODEL IV_PART B _ 09-12-2020

EC8552_ CAO_MODEL IV_PART B _ 09-12-2020

University

15 Qs

EC8071_CR_MODELEXAM-IV (08.12.2020)_PART-B

EC8071_CR_MODELEXAM-IV (08.12.2020)_PART-B

University

15 Qs

TRAVERSE SURVEY

TRAVERSE SURVEY

University

10 Qs

Are You Smarter than a 5th Grader? - The third show

Are You Smarter than a 5th Grader? - The third show

University

10 Qs

aplikasi audit

aplikasi audit

University

10 Qs

Elearn 4

Elearn 4

Assessment

Quiz

Other

University

Practice Problem

Hard

Created by

Bình Thanh

Used 1+ times

FREE Resource

AI

Enhance your content in a minute

Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...

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

Create a free account and access millions of resources

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

By signing up, you agree to our Terms of Service & Privacy Policy

Already have an account?