I would assume the question is trying to determine if the reader understands the difference using actual traffic examples.
Original Message:
Sent: 01-31-2024 06:15
From: spuluka
Subject: JNCIA-JUNOS Practice Exam Question Query
Why can you not just say destined for the routing engine?
Surely the exam is testing do we know whether or not transit traffic leaves the device or is processed by the local device, making that clear in the answers does that job.
If the answers use euphemisms instead they become less and less clear. The point is do we know local destination is NOT transit or not. Why try to make the question less clear?
------------------------------
Steve Puluka BSEET - Juniper Ambassador
IP Architect - DQE Communications Pittsburgh, PA (Metro Ethernet & ISP - Retired)
http://puluka.com/home
Original Message:
Sent: 01-30-2024 11:32
From: JONATHAN HOOKER
Subject: JNCIA-JUNOS Practice Exam Question Query
@SIMON COLLINS, @spuluka
I think the term 'destined for' in this case is clear. It goes to show how difficult it can be to write concise and clear questions.
If the meaning of 'destined for' was to be another interface to then use that other interface as an egress interface (i.e. "in that traffic can be destined for another interface to use it as an exit / egress point"), that would surely overlap with the definition of transit.
------------------------------
JONATHAN
Original Message:
Sent: 01-30-2024 10:16
From: SIMON COLLINS
Subject: JNCIA-JUNOS Practice Exam Question Query
@JONATHAN HOOKER - I guess I am just reading it too literally, in that traffic can be destined for another interface to use it as an exit / egress point whereas it seems to mean it actually terminates on that interface e.g. to the interfaces direct IP address (therefore never leaves the router).
@spuluka - agree completely. For me, a native english speaker, (and everyone else I sent this question to) the answers are worded in a way to try and catch you out and I don't think the answer explanation offers enough differentiation. Certainly I would hope I don't get a question like this in the actual exam.
------------------------------
SIMON COLLINS
Original Message:
Sent: 01-30-2024 08:58
From: JONATHAN HOOKER
Subject: JNCIA-JUNOS Practice Exam Question Query
Hi Simon
Traffic that does not leave the local router is not transit traffic.
In answers 1 and 2 the traffic exits the local device; in answers 3 and 4 it does not
What are two examples of transit traffic? (Choose two.)
- SCP traffic that enters one interface and exits another interface on the local router
- STFP traffic that enters and exits the same interface on the local router
- SCP traffic that is destined for the router's loopback interface
- SFTP traffic that enters one interface and is destined for another interface on the local router
HTH
------------------------------
JONATHAN HOOKER
Original Message:
Sent: 01-30-2024 07:34
From: SIMON COLLINS
Subject: JNCIA-JUNOS Practice Exam Question Query
Hi Jonathan. I understand that part which is why Answer 3 is easily ruled out. But that logic only works for Answer 4 if "another interface on the local router" is something like a loopback or mgmt interface (but we are not provided with that information). But considering they use the exact same terminology for Answer 1 that seems very misleading to me (and several others whom I have shown this question to). The only difference there is the use of "exit" instead of "destined for".
------------------------------
SIMON COLLINS
Original Message:
Sent: 01-30-2024 03:54
From: JONATHAN HOOKER
Subject: JNCIA-JUNOS Practice Exam Question Query
Hi Simon
The question is asking you to identify the 'transit' traffic i.e. traffic that is not destined for the local device. HTH.
------------------------------
JONATHAN HOOKER
Original Message:
Sent: 01-29-2024 03:07
From: SIMON COLLINS
Subject: JNCIA-JUNOS Practice Exam Question Query
I am just starting the road for JNCIA-JUNOS certification. I started at the practice exam here (which presumably based on the update date is for the old/current 104 version not 105 that comes in next week):
Junos, Associate (JNCIA-Junos) Certification Practice Exam
Juniper | remove preview |
| Junos, Associate (JNCIA-Junos) Certification Practice Exam | This practice test is designed to help you to prepare for the live exam. At the end of the test, you will be provided with the correct response(s) for each question, as well as an explanation for why each response is correct. | View this on Juniper > |
|
|
On reviewing the questions I got wrong I understand the reason for all, except this one. To me answers 1 & 4 looked the same, just different protocols - hence why I selected them. On reading it again this morning I can see SCP traffic "exits" and SFTP "is destined for". Presumably the fact that we don't have confirmation the SFTP traffic exited the router is the reason that answer 4 is wrong. But it seems badly worded to try and trip you up.
------------------------------
SIMON COLLINS
------------------------------