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At what layer does packet filtering technology in the firewall filter packets?
Suggested Answer: B
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21 comments · newest first
HE
Herman
2 days ago
But packet filtering is more about routing, so B is better.
LY
Lyla
7 days ago
I’m leaning towards A) Transport layer. It deals with ports.
LA
Lavonda
12 days ago
Agreed! Network layer is where IP addresses are handled.
LU
Lucy
18 days ago
I think it's B) Network layer. Makes sense for filtering.
BE
Bette
23 days ago
Transport layer deals with ports, not packets.
XE
Xenia
28 days ago
Network layer is where it all happens!
BA
Barabara
1 month ago
Data link layer? Not really filtering packets.
ER
Erin
1 month ago
Physical layer seems too low for filtering.
RO
Rosio
1 month ago
Definitely Network layer. Firewalls operate there.
GL
Glory
2 months ago
I’m torn between Network and Transport layers.
FA
Fairy
2 months ago
I agree, Network layer is correct. It handles IP addresses.
JU
Julene
2 months ago
I think it's the Network layer. Makes sense for routing.
RU
Ruthann
2 months ago
I had no idea it was the Network layer!
ET
Ettie
2 months ago
Wait, is it really not the Transport layer?
AV
Avery
2 months ago
Agreed, Network layer is correct!
ED
Edwin
3 months ago
I thought it was the Transport layer?
ST
Stefan
3 months ago
It's definitely the Network layer!
TR
Truman
3 months ago
I’m confused about the layers sometimes. I thought the transport layer was more about connections, but maybe it does filter packets too?
SH
Sherill
3 months ago
I feel like I’ve seen a question like this before, and it was definitely about the network layer. But what if it’s a trick question?
LY
Lynelle
3 months ago
I remember studying that firewalls primarily operate at the network layer for filtering, so I’d go with B.
MA
Marica
4 months ago
I think packet filtering happens at the network layer, but I'm not entirely sure. It could be the transport layer too, right?