Which statement about AAR functionality is true?
A. AAR reroutes calls through the PSTN upon WAN failure.
B. AAR reroutes calls through the PSTN when Cisco Unified Communications Manager CAC blocks a call.
C. AAR reroutes calls through the WAN when the PSTN connection fails.
D. AAR reroutes calls to another phone number when a Cisco IP Phone unregisters.
I agree with answer B.
The AAR feature enables CUCM to establish an alternate path for the voice media when the preferred path (IP) between two intracluster endpoints runs out of available bandwidth, as determined by the locations mechanism for CAC.
the question is shit: this is because cisco hired a neophyte to push an ocr /pdf of the book through an AI and have the computer write the “questions” for them.
CFUR is not AAR, it is CFUR. yes the shit seems the same…but different acronym because….”marketing”.
A & C SEEM correct at first glance….>EXCEPT they’re both wrong and here’s why.
If you know CUCM, (take CIPTV1 before trying 2) …..A & C are RESOLVED BY DEVICE POOL, ….go back and review the article’s (many) that reference how CISCO’s whole CUCM world is organized in “threes”
particular attention to the section on “device pool->route group->route-list”
I won’t berate you…..I’m seasoned and have done this for 5 years and the way the DAMN AI worded the question is slightly disarming…..causing me to quickly say….”c” before reading the shit twice and righting my ship.
CISCO EXAMS 101 : READ IT TWICE…..ASSUME THE QUESTION IS INTENTIONALLY MIS LEADING BECAUSE IT ALWAYS IS> They are testing your ability to “English speak” as much as they are testing your tolerance for acronym buzz word confusion (extension mobility, devices mobility, mobility access……NONE OF WHICH HAVE ANYTHING TO DO WITH EACH OTHER) ……CUCM is wading into some serious acronym bullshit, I tell you!
why not A
if the connection of WAN was failed ,it should be using the backup device which in route group.
Configure automated alternate routing (AAR) to automatically reroute calls through the PSTN or other networks when the system blocks a call due to insufficient location bandwidth. With automated alternate routing, the caller does not need to hang up and redial the called party.
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/12_0_1/systemConfig/cucm_b_system-configuration-guide-1201/cucm_b_system-configuration-guide-1201_chapter_01010011.html
So it is B i think