Which of the following characteristics describe the BPDU Guard feature?(Choose all that apply.)()
A BPDU Guard port should only be configured on ports with PortFast enabled
BPDU Guard and PortFast should not be enabled on the same port.
C. BPDU Guard is used to ensure that superior BPDUs are not received on a switch port
D. A BPDU Guard port receiving a BPDU will go into err-disable state
E. A BPDU Guard port receiving a BPDU will be disabled
F. BPDU Guard can be enabled on any switch port
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教师要给学生一瓶水,自己就要成为一条常流常新的小溪,这说明教师要具备更高的教育专业素养。
A. 正确
B. 错误
墙面阴阳角的细部处理方法有:对接法、弧形转角、方块转角、斜面转角、加方块、斜接与()等。
卵巢黏液性肿瘤穿破囊壁时,使黏液上皮种植在腹膜上继续生长,分泌黏液,可形成腹膜假黏膜瘤。
A. 正确
B. 错误
()是指具有崇高昂扬、深远自由、坚定扎实的精神追求和丰富独特、积极健康的审美情趣与品质。
A. 精神审美素质
B. 个人品德素质
C. 独立人格素质
D. 思想道德素质