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How many rounds are used by DES?
Suggested Answer: A
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The greatest danger from BootP or DHCP (Dynamic Host Control Protocol) is from an intruder on the network impersonating a DHCP server and thereby misconfiguring the DHCP clients. Other choices are possible consequences of DHCP impersonation.
Source: STREBE, Matthew and PERKINS, Charles, Firewalls 24seven, Sybex 2000, Chapter 4: Sockets and Services from a Security Viewpoint.
39 comments · newest first
AN
Andrew
10 months ago
Really? I always thought it was more than that.
MA
Madelyn
11 months ago
Nope, definitely 16 rounds.
EL
Elke
11 months ago
Wait, I thought it was 32 rounds?
AD
Adolph
11 months ago
Totally agree, 16 is the right number!
JE
Jeff
11 months ago
DES uses 16 rounds.
KA
Kayleigh
12 months ago
I’m uncertain, but I feel like 48 rounds might be the answer. I need to double-check my study materials.
GL
Gladys
12 months ago
I’m pretty confident it’s 16 rounds. I recall reading that in my notes.
SH
Shenika
12 months ago
I remember practicing a question about DES, and I think it was 32 rounds, but that seems too high now.
LI
Lili
1 year ago
I think DES uses 16 rounds, but I’m not completely sure. It feels like I’ve seen that number before.
AS
Asha
1 year ago
I think the number of rounds in DES is 64, so I'll select option C.
MA
Mabel
1 year ago
I remember learning about DES in class, but I can't recall the exact number of rounds. I'll have to guess and hope for the best.
TO
Toi
1 year ago
Hmm, I'm a bit unsure about this one. I'll need to think it through carefully.
WE
Werner
1 year ago
I'm pretty sure DES uses 16 rounds, so I'll go with option A.
JO
Josphine
1 year ago
Okay, let me see... DES is a symmetric-key algorithm, and I believe it uses multiple rounds of encryption. I'll go with 32 rounds for option B.
TA
Tabetha
1 year ago
This seems like a straightforward question about setting up a scalable business unit hierarchy. I think option D is the best solution - one parent BU and three child BUs with their own Sender Authentication Packages.
LA
Laurel
1 year ago
Hmm, I'm a bit unsure about this one. FERPA has a lot of rules, so I'll need to think through each option carefully.
TA
Tayna
1 year ago
Yeah, I worked on a question about tacts in class, and this feels similar. I think it's due to her just labeling Elmo.
RH
Rhea
1 year ago
Wait, DES uses rounds? I thought it just had one really long and confusing password.
EV
Eveline
1 year ago
D) 48
BE
Bette
1 year ago
C) 64
GE
German
1 year ago
B) 32
LI
Lilli
1 year ago
A) 16
MA
Malcom
1 year ago
Oh man, I totally blanked on this question. I'm going to have to guess and hope I get lucky. Maybe I can find a mnemonic device to remember the number of DES rounds.
KA
Kassandra
1 year ago
C) 64
TO
Tomas
1 year ago
B) 32
AR
Arlette
1 year ago
A) 16
AN
Annice
1 year ago
16 rounds? That seems way too low. Maybe I should have paid more attention in that lecture on symmetric-key cryptography.
HI
Hillary
1 year ago
C) 64
EM
Emmett
1 year ago
Yeah, DES uses 16 rounds for encryption.
VI
Viva
1 year ago
A) 16
LI
Lizbeth
1 year ago
Hmm, I thought DES used 64 rounds. Maybe I'm mixing it up with another algorithm. Better review my notes on block ciphers.
DO
Donte
1 year ago
D) 48
NE
Nelida
1 year ago
C) 64
LE
Leeann
1 year ago
B) 32
AU
Audry
1 year ago
A) 16
GI
Giuseppe
1 year ago
I remember learning about DES in my cryptography class. I'm pretty sure the correct answer is 16 rounds, but I'll double-check just to be sure.
LU
Luis
2 years ago
I'm not sure, but I think DES uses 16 rounds for encryption.
KA
Kayleigh
2 years ago
I disagree, I believe the correct answer is C) 64 rounds.
LU
Luis
2 years ago
I think the answer is A) 16 rounds.