Are LLMs Ready for Computer Science Education? A Cross-Domain, Cross-Lingual and Cognitive-Level Evaluation Using Professional Certification Exams. - Chen Gao; Chi Liu 002; Zhengquan Luo; Dongfu Xiao; Maiying Sui; Sheng Shen 005; Congcong Zhu; Huajie Chen; Xuhan Zuo; Zongyuan Ge; Tianqing Zhu; Wanlei Zhou 001; et al. (CoRR, 2026)