Nokia Certified Network Professional – IP/MPLS Services — Question 44

In which of the following forms does the TTI byte provide information on network elements?

Answer options

• A. Source (SAPI) and Destination (DAPI) Access Point Identifiers
• B. Source and destination IP addresses and overhead
• C. Source and destination MAC addresses
• D. Source and destination time-slot identifiers

Correct answer: A

Explanation

The correct answer is A because the TTI byte specifically provides Source and Destination Access Point Identifiers (SAPI and DAPI) which are crucial for identifying network elements. Options B, C, and D refer to different types of addressing information that do not pertain to the TTI byte's function in conveying access point identifiers.