MENU
Which of the following best describes the function of an ARP cache within the same subnet?
Suggested Answer: D
Get Premium 4A0-100 Questions
as Interactive Web-Based Practice Test or PDF
Real Exam Format
Detailed Explanations
Instant Access
Get Your Practice Test
41 comments · newest first
CA
Carole
11 months ago
Really? I always thought ARP did more than just that.
HE
Herminia
11 months ago
Nah, it's not about distant hosts, that's option A.
OD
Odette
11 months ago
Wait, I thought it was just for local devices?
WA
Walker
11 months ago
Definitely option D! That's the right one.
ER
Eric
12 months ago
ARP cache resolves MAC addresses from IPs.
CA
Carmela
12 months ago
I feel like option B is misleading because the ARP cache does more than just add IP entries for unknown devices.
LE
Leah
1 year ago
I’m a bit confused; I thought ARP was only for local devices, but does it really handle distant hosts too?
AL
Allene
1 year ago
I remember practicing a question similar to this, and I think option D sounds right since ARP resolves MAC addresses from IPs.
RU
Rupert
1 year ago
I think the ARP cache is about mapping IP addresses to MAC addresses, but I'm not sure if that's the main function.
SH
Sherita
1 year ago
I think the key here is that the question is asking about the function of the ARP cache within the same subnet. So the correct answer is D, which is about resolving the MAC address given the IP address, which is the main purpose of the ARP cache on the local network.
AR
Aretha
1 year ago
Wait, I thought the ARP cache was used to map unknown IP addresses to known hardware addresses, not just within the same subnet. I'm a bit confused now. Maybe I should re-read the question more carefully.
PH
Phyliss
1 year ago
Okay, I've got this. The ARP cache is used to resolve the MAC address of a host device given its IP address, so the correct answer is D. Easy peasy!
AL
Alexis
1 year ago
This one seems straightforward. I think the ARP cache is used to map IP addresses to MAC addresses within the same subnet, so I'll go with option D.
ST
Stephane
1 year ago
Hmm, I'm a bit unsure about this one. I know the ARP cache is used for address resolution, but I'm not sure if it's just for the same subnet or for distant hosts as well. I'll have to think this through a bit more.
MA
Maurine
1 year ago
This seems like a straightforward question about information security principles. I think the answer is C - Confidentiality, since the question mentions the consultant doesn't want the temporary workers to have access to the reports.
ST
Stephane
1 year ago
Okay, let's see. Vehicle registration and terminals seem like they would be fixed costs, since they don't really depend on the level of operations. Fuel and maintenance are more variable costs that change with usage. I'm leaning towards A or D as the answer.
KA
Kathrine
1 year ago
Wait, is this a trick question? Does the ARP cache come with a complimentary crystal ball to predict the future MAC addresses of hosts? I'm going with D, but I'm keeping an eye out for any unexpected magical powers.
LI
Lisbeth
1 year ago
Cecil: Nope, just matches IP addresses to MAC addresses on the same subnet.
MA
Mauricio
1 year ago
User 3: So, it doesn't predict future MAC addresses then?
CE
Cecil
1 year ago
User 2: Yeah, that sounds right. It's not magic, just basic networking.
WA
Walker
1 year ago
User 1: I think the ARP cache just resolves the MAC address of a host given its IP address.
TE
Tegan
1 year ago
I'm going to go with D, but honestly, I'm just hoping I don't get any trick questions about arp dancing or something. You never know with these certification exams!
TE
Tennie
1 year ago
User 3: I'm going with D too. Let's hope there are no trick questions!
KA
Katina
1 year ago
User 2: Yeah, I agree. It resolves the MAC address of a host device given its IP address.
DA
Dalene
1 year ago
User 1: I think D is the correct answer.
RE
Reid
1 year ago
C? Really? ICMP messages? What does that have to do with ARP? Nah, I'm picking D and hoping the exam writers know what they're talking about.
LA
Lavera
1 year ago
Definitely going with D on this one. ARP cache is all about resolving MAC addresses.
SA
Sang
1 year ago
Yeah, I agree. ARP is all about mapping IP addresses to MAC addresses. D makes the most sense.
ER
Eric
1 year ago
I think D is the correct answer. It resolves the MAC address of a host device given its IP address.
MA
Marleen
2 years ago
I'm not sure about that. I think it adds only an IP address entry for an unknown device on the same subnet, so I would go with option B.
JU
Julene
2 years ago
I agree with you, Kina. That's why I would choose option D.
KI
Kina
2 years ago
I think the ARP cache resolves the MAC address of a host device given its IP address.
NA
Natalya
2 years ago
Hmm, B does sound a bit too specific. I mean, an ARP cache is going to have both IP and MAC addresses, not just IP. Gotta go with D on this one.
SH
Shawna
1 year ago
Yeah, B does seem too limited. D is definitely the right choice here.
GI
Gilma
1 year ago
I agree, D makes more sense. It's about resolving MAC addresses from IP addresses.
LA
Lashawnda
1 year ago
Yeah, B does seem too specific. D makes more sense for the function of an ARP cache.
CH
Chau
1 year ago
I agree, D is the correct option. ARP cache does map IP addresses to MAC addresses.
AN
Antonio
2 years ago
I'm not sure, but I think option A also makes sense as it maps an unknown IP address to a known hardware address.
DE
Derick
2 years ago
D seems like the obvious choice here. ARP is all about resolving MAC addresses from IP addresses, right? I can't imagine why anyone would think it's for ICMP messages or adding IP addresses.
NO
Nohemi
2 years ago
I agree with Daniel, option D seems to be the correct function of an ARP cache.
DA
Daniel
2 years ago
I think the ARP cache resolves the MAC address of a host given its IP address.