My Report

Digital Communications Mock Test 9


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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 10%

Question 1 of 10

1. Flat fading can be avoided or stopped by

Question 1 of 10

Question 2 of 10

2. Coherence time is _______ to Doppler spread.

Question 2 of 10

Question 3 of 10

3. PGP offers _____ block ciphers for message encryption.

Question 3 of 10

Question 4 of 10

4. The parameters used to describe large scale fading are

Question 4 of 10

Question 5 of 10

5. For n input bits the number of substitution patterns are

Question 5 of 10

Question 6 of 10

6. DSA protocol is based on

Question 6 of 10

Question 7 of 10

7. These three ciphers can operate of ______ of plaintext and cipher text.

Question 7 of 10

Question 8 of 10

8. Information reliability depends on

Question 8 of 10

Question 9 of 10

9. Which operation is used in encryption using IDEA?

Question 9 of 10

Question 10 of 10

10. The key size of DES is

Question 10 of 10


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

Subscribe to his free Masterclasses at Youtube & discussions at Telegram SanfoundryClasses.