A single 802.11g access point has been configured and installed in the center of a square office. A few wireless users are experiencing slow performance and drops while most users are operating at peak efficiency. What are three likely causes of this problem? (Choose three.) ()
A. mismatched TKIP encryption
B. null SSID
C. cordless phones
D. mismatched SSID
E. metal file cabinets
F. antenna type or direction&e
查看答案
男性,64岁。左腹股沟可复性包块,坠入阴囊5年。患者吸烟40年,偶有咳嗽及夜尿频,近3个月来夜尿次数增多。查体:左侧腹股沟韧带中点上方至阴囊有梨形包块6cm×8cm,平卧时可还纳腹腔,压迫内环口站立不复出。肛诊前列腺增大,中央沟消失。X线肺部摄片阴性。目前宜采取()
A. 巴西尼(Bassini)疝修补术
B. 麦克维(McVay)疝修补术
C. 疝成形术
D. 佛格逊(Ferguson)法疝修补术
E. 暂不手术
《三个和尚》的动画导演是()
A. 曲建方
B. 万氏兄弟
C. 阿达
D. 胡进庆
***男8月足月儿人工喂养,体重8.8kg,家长诉近来烦躁、夜间易惊醒、汗多。查体:见头后枕部脱发呈环形,方颅。实验室检查:血清钙:1.91mmol/L,血清磷:0.94mmol/L,骨碱性磷酸酶250U/L。影像学检查:X线检查见双侧腕关节钙化带消失。请根据以上信息对此病例初步诊断及治疗方案。