Free Cisco 300-070 Exam Practice Questions & Explanations

Last updated on: Oct 30, 2026
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Question 1

A designer states that in a CUCM deployment using globalized call routing, all off-net calls are normalized to E.164 format with a leading plus sign for routing, and then localized at the egress gateway using called party transformation patterns applied through the gateway's Called Party Transformation CSS.

Is this statement accurate?

Answer Options
Correct Answer: A
Explanation

True. Globalized call routing normalizes dialed digits to +E.164 (typically with translation patterns or route pattern prefixes) so that a single set of +E.164 route patterns can be used, and path selection is based on that global form. At egress, the called number is localized to the format the PSTN circuit expects using called party transformation patterns, which are found via the Called Party Transformation CSS configured on the gateway or trunk (or its device pool).

Question 2

An engineer configures a translation pattern 8XXX in partition Internal that translates to extension 4XXX, with Calling Search Space set to Site1_CSS. The calling phone's CSS includes the Internal partition but not the partition containing the 4XXX directory numbers.

What is the result when a user dials 8100?

Answer Options
Correct Answer: A
Explanation

A translation pattern performs digit manipulation and then re-runs digit analysis using the CSS configured on the translation pattern itself, not the originating device's CSS. As long as Site1_CSS includes the partition holding the 4XXX DNs, the call completes. This is the classic use of translation patterns to selectively grant reachability. B is wrong because the device CSS only needs to reach the translation pattern. Translation patterns can freely change digit strings and length (C), and they work in any partition reachable by the caller (D).

Question 3

Incoming PSTN calls arrive at a gateway with 10-digit ANI. Users need to be able to place return calls directly from their call history without editing digits, since the site requires 9 plus 1 plus 10 digits for outbound long distance.

What is the recommended CUCM configuration to accomplish this?

Answer Options
Correct Answer: A
Explanation

The calling number (ANI) must be globalized/localized so the redial string is dialable. A calling party transformation pattern applied on the inbound side of the gateway (or Incoming Calling Party Settings prefix) adds the 91 access and long-distance digits so the number in call history can be redialed. Called party transformations affect the dialed number, not ANI (B). A translation pattern of that form manipulates outbound dialed digits, not inbound ANI (C). Significant Digits affects the called number on inbound calls (D).

Question 4

A company wants lobby phones to be able to reach internal extensions and 911 only, while executive phones reach everything including international numbers. All route patterns currently reside in a single partition.

Which design correctly implements this using CUCM calling privileges?

Answer Options
Correct Answer: A
Explanation

Calling privileges in CUCM are implemented with partitions (which group dialable patterns) and calling search spaces (the ordered list of partitions a device or line may search). Splitting patterns by call class and giving each user class an appropriate CSS is the standard approach. A CSS of means the device can reach only patterns in the null partition, not just emergency calls (B). Calling party transformations change presented caller ID, not privileges (C). CMC is for call tracking/accounting and does not enforce class of service (D); FAC would be closer but is still not the correct design here.

Question 5

A CUCM administrator is building a dial plan for a site where users dial 9 for an outside line. The route pattern 9.@ exists, and a second pattern 9.1[2-9]XX[2-9]XXXXXX has been added to route long distance calls out a different gateway. A user dials 914085551234.

Which statement correctly describes how CUCM selects the route pattern?

Answer Options
Correct Answer: A
Explanation

CUCM digit analysis uses closest match (most specific match) routing. The explicit pattern 9.1[2-9]XX[2-9]XXXXXX matches only one dial string, while 9.@ expands to the entire NANP and therefore matches a far larger range, so the explicit pattern wins. The @ macro has no inherent priority (B). Overlapping patterns are normal and do not block calls (C). Partition order in a CSS only breaks ties when two patterns are equally specific in different partitions (D).