C839v5/D334 Additional Practice
Questions with Correct Answers
100% Verified
128 - CORRECT ANSWER-THE HASH VALUE IN BITS FOR MD5 IS ____.
A. 128
B. 160
C. 256
VARIABLE; FIXED - CORRECT ANSWER-HASHING INVOLVES
TAKING A _____ LENGTH INPUT AND PRODUCING A _____ LENGTH
OUTPUT (MESSAGE DIGEST).
A. FIXED; FIXED
B. VARIABLE; FIXED
C. FIXED; VARIABLE
160 - CORRECT ANSWER-THE HASH VALUE IN BITS FOR SHA-1 IS
____.
A. 128
,B. 160
C. 256
128 - CORRECT ANSWER-THE HASH VALUE IN BITS FOR MD4 IS ____.
A. 128
B. 160
C. 256
TRANSPORT - CORRECT ANSWER-IPSEC ______ MODE INVOLVES
"END-TO-END" ENCRYPTION; I.E. DATA REMAINS ENCRYPTED
FROM THE TIME IT LEAVES A SENDER'S DEVICE TO THE TIME IT
ARRIVES AT THE RECEIVER'S DEVICE.
A. TUNNEL
B. TRANSPORT
C. TRUSTED
TUNNEL - CORRECT ANSWER-IPSEC ______ MODE INVOLVES
ENCRYPTION FROM GATEWAY TO GATEWAY, I.E. JUST THROUGH
THE PUBLIC NETWORK SPACE.
A. TUNNEL
B. TRANSPORT
C. TRUSTED
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
,TUNNEL
REMEMBER, WITH TUNNEL MODE, ENCRYPTION DOES NOT
HAPPEN UNTIL JUST BEFORE IT LEAVES THE LOCAL NETWORK.
TRAFFIC LIKELY REMAINS UNENCRYPTED BETWEEN THE END
USER DEVICE AND THE LOCAL NETWORK BOUNDARY. - CORRECT
ANSWER-A SECURITY ANALYST ON A LOCAL NETWORK USING
MONITORING TOOLS IS LIKELY TO ONLY BE ABLE TO READ
CONTENTS OF TRAFFIC ENCRYPTED USING IPSEC ______ MODE.
A. TUNNEL
B. TRANSPORT
C. TRUSTED
CHASKEY - CORRECT ANSWER-_____ IS A LIGHTWEIGHT
CRYPTOGRAPHY METHOD FOR SIGNING MESSAGES (MAC). IT
BOASTS A RELATIVELY UNDEMANDING HARDWARE
IMPLEMENTATION (ONLY ~3,333 GATES REQUIRED AT 1MHZ
CLOCK RATE) MAKING IT SUITABLE FOR IOT IMPLEMENTATION.
128 - CORRECT ANSWER-CHASKEY HAS A KEY SIZE OF _____ BITS.
A. 256
B. 128
, C. 80
SALT - CORRECT ANSWER-A WEAKNESS OF ONE-WAY HASHING IS
THAT THE SAME PIECE OF PLAINTEXT WILL RESULT IN THE SAME
CIPHERTEXT UNLESS _____ IS APPLIED.
A. SALT
B. ASH
C. ETHER
40 - CORRECT ANSWER-THE MINIMUM RECOMMENDED KEY SIZE
TO USE WITH RC4 IS _____ BITS.
A. 40
B. 20
C. 64
2048 - CORRECT ANSWER-RC4 IS A SYMMETRIC STREAM CIPHER
WITH A VARIABLE KEY SIZE UP TO A MAX OF _____ BITS.
A. 256
B. 2048
C. 1024
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
Questions with Correct Answers
100% Verified
128 - CORRECT ANSWER-THE HASH VALUE IN BITS FOR MD5 IS ____.
A. 128
B. 160
C. 256
VARIABLE; FIXED - CORRECT ANSWER-HASHING INVOLVES
TAKING A _____ LENGTH INPUT AND PRODUCING A _____ LENGTH
OUTPUT (MESSAGE DIGEST).
A. FIXED; FIXED
B. VARIABLE; FIXED
C. FIXED; VARIABLE
160 - CORRECT ANSWER-THE HASH VALUE IN BITS FOR SHA-1 IS
____.
A. 128
,B. 160
C. 256
128 - CORRECT ANSWER-THE HASH VALUE IN BITS FOR MD4 IS ____.
A. 128
B. 160
C. 256
TRANSPORT - CORRECT ANSWER-IPSEC ______ MODE INVOLVES
"END-TO-END" ENCRYPTION; I.E. DATA REMAINS ENCRYPTED
FROM THE TIME IT LEAVES A SENDER'S DEVICE TO THE TIME IT
ARRIVES AT THE RECEIVER'S DEVICE.
A. TUNNEL
B. TRANSPORT
C. TRUSTED
TUNNEL - CORRECT ANSWER-IPSEC ______ MODE INVOLVES
ENCRYPTION FROM GATEWAY TO GATEWAY, I.E. JUST THROUGH
THE PUBLIC NETWORK SPACE.
A. TUNNEL
B. TRANSPORT
C. TRUSTED
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
,TUNNEL
REMEMBER, WITH TUNNEL MODE, ENCRYPTION DOES NOT
HAPPEN UNTIL JUST BEFORE IT LEAVES THE LOCAL NETWORK.
TRAFFIC LIKELY REMAINS UNENCRYPTED BETWEEN THE END
USER DEVICE AND THE LOCAL NETWORK BOUNDARY. - CORRECT
ANSWER-A SECURITY ANALYST ON A LOCAL NETWORK USING
MONITORING TOOLS IS LIKELY TO ONLY BE ABLE TO READ
CONTENTS OF TRAFFIC ENCRYPTED USING IPSEC ______ MODE.
A. TUNNEL
B. TRANSPORT
C. TRUSTED
CHASKEY - CORRECT ANSWER-_____ IS A LIGHTWEIGHT
CRYPTOGRAPHY METHOD FOR SIGNING MESSAGES (MAC). IT
BOASTS A RELATIVELY UNDEMANDING HARDWARE
IMPLEMENTATION (ONLY ~3,333 GATES REQUIRED AT 1MHZ
CLOCK RATE) MAKING IT SUITABLE FOR IOT IMPLEMENTATION.
128 - CORRECT ANSWER-CHASKEY HAS A KEY SIZE OF _____ BITS.
A. 256
B. 128
, C. 80
SALT - CORRECT ANSWER-A WEAKNESS OF ONE-WAY HASHING IS
THAT THE SAME PIECE OF PLAINTEXT WILL RESULT IN THE SAME
CIPHERTEXT UNLESS _____ IS APPLIED.
A. SALT
B. ASH
C. ETHER
40 - CORRECT ANSWER-THE MINIMUM RECOMMENDED KEY SIZE
TO USE WITH RC4 IS _____ BITS.
A. 40
B. 20
C. 64
2048 - CORRECT ANSWER-RC4 IS A SYMMETRIC STREAM CIPHER
WITH A VARIABLE KEY SIZE UP TO A MAX OF _____ BITS.
A. 256
B. 2048
C. 1024
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
