Huawei Certified ICT Associate – Data Center Network (HCIA-DCN) — Question 52

Compared with STP, which of the following port roles does RSTP add? (Choose all that apply.)

Answer options

• A. Root port
• B. Designated port
• C. Alternate port
• D. Backup port

Correct answer: C, D

Explanation

RSTP introduces the Alternate port and Backup port roles to improve network convergence times. The Root port and Designated port are roles that already existed in STP, thus they are not added by RSTP.