Free Cisco 300-810 Actual Exam Questions - Question 5 Discussion

Question No. 5
An engineer is configuring toll fraud prevention on a Cisco Unity Connection system. The Unity
Connection system is integrated with two phone systems each with its own trunk access code Which
figuration blocks attempts to bypass the restriction table by dialing trunk access codes?
Select one option, then reveal solution.
US
NZ
Naveed Z.
2026-02-11

I get the logic behind A, but I’m going with D here. Blocking all international calls (D) stops any bypass that leads to expensive routes, which is usually the main fraud risk. Just blocking trunk codes (A) might not catch crafty users who dial international numbers directly. So, D feels like a safer overall filter against toll fraud by cutting off high-risk destinations completely.

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SU
Shah U.
2026-02-11

I get why A is popular, but I think B makes more sense here. If you just block the trunk access codes (A), users might find other ways to transfer or reroute calls. Restricting transfer numbers (B) cuts off all potential bypass routes, not just the obvious trunk codes. So B feels like a safer, broader way to prevent toll fraud without relying only on pattern matching.

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AP
Arjun P.
2026-01-27

Makes sense to block the actual trunk access codes to stop bypass attempts, so A feels like the best fit here since it directly targets the problem.

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AP
Arjun P.
2026-01-27

A/D? D blocks international but doesn’t stop trunk code bypass specifically.

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AP
Arjun P.
2026-01-26

If the goal is to stop bypass via trunk access codes specifically, adding patterns for those codes (A) seems more precise. But does restricting transfers (B) risk blocking legit calls too much? Not sure if that’s ideal.

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SI
Shah I.
2026-01-24

B vs A? Blocking system transfers (B) also stops bypass, not just trunk codes.

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SI
Shah I.
2026-01-15

Probably A here. If the goal is to block people from bypassing restrictions using trunk access codes, then you’d want to add those specific trunk access codes in the restriction tables. That way the system knows to block those exact patterns. B and C seem off because restricting system transfers or just international operator calls won’t fully cover trunk access code abuse. D blocks international calls but won’t stop misuse of trunk codes entirely. So A looks like the most direct fix for this issue.

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