Free Cisco 350-801 Actual Exam Questions - Question 9 Discussion
number of route patterns that are needed. Which route pattern enables the administrator to match
variable-length numbers?
It’s C, the exclamation mark lets you cover all number lengths after 9.011.
Maybe C. The exclamation mark (!) in Cisco route patterns is used to match variable-length digits, so it helps cover various international number lengths without needing multiple patterns. The asterisk (*) matches zero or more digits but can cause issues if the number length isn’t controlled well. The at sign (@) is for patterns defined by a dial plan, which isn’t as flexible here. The 9.011 part just strips the prefix but doesn’t handle variable length by itself. So for minimizing route patterns with various international numbers, 9.011! seems best.
B. Stripping the 011 prefix is a common fix since many gateways expect just the country code and number without that prefix, so removing it often resolves call setup problems.
B/D? I get why stripping the 011 prefix (B) makes sense since some gateways can’t handle it, but if the gateway’s ISDN switch type isn’t set correctly, calls might just fail regardless. Adding the isdn switch-type primary-dms100 (D) aligns the signaling with the provider’s expectations, which is crucial for international calls to go through. Without that, even correct dialing formats might not work. So either could fix it, but I’m thinking D might be the more fundamental fix here.
D. Adding the isdn switch-type primary-dms100 command matches the switch type for international calls, which can fix compatibility issues causing call failures.
B. The 011 prefix often causes routing issues if not stripped.
Probably B. The issue sounds like the system is not stripping the international prefix 011, which often causes call failures. Removing it before routing usually fixes this.
B imo