由于具有速度快、安全强度高的特点,Rijndael算法已被广泛应用于()。
A. 各种网络加密
B. 逻辑加密
C. 身份认证
D. 数字签名
E. 节点加密
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11. public static void append(List list) { list.add(”0042”); } 12. public static void main(String[] args) { 13. List intList = new ArrayList(); 14. append(intList); 15. System.out.println(intList.get(0)); 16. } What is the result?()
A. 42
B. 0042
C. An exception is thrown at runtime.
D. Compilation fails because of an error in line 13.
E. Compilation fails because of an error in line 14.
女,16岁。左小腿上段肿胀疼痛半年,近1个月来肿胀明显,夜间痛明显。查体:左胫骨上端肿胀严重,压痛明显,浅静脉怒张,扪及一6cm×7cm硬性肿块,固定,边界不清。X线检查示左胫骨上段呈虫蚀状溶骨性破坏,骨膜反应明显,可见Codman三角。最可能的诊断是()
A. 左胫骨慢性骨髓炎
B. 左胫骨软骨肉瘤
C. 左胫骨骨巨细胞瘤恶变
D. 左胫骨骨肉瘤
E. 左胫骨骨软骨瘤恶变
(四级)国内邮件非基本资费是指基本资费以外的邮政业务资费,如挂号费、保价费、撤回更改延伸服务费等费用。
A. 正确
B. 错误
In your multitenant container database (CDB) containing same pluggable databases (PDBs), you execute the following commands in the root container: Which two statements are true?()
A. The C # # ROLE1 role is created in the root database and all the PDBs.
B. The C # # ROLE1 role is created only in the root database because the container clause is not used.
C. Privileges are granted to the C##A_ADMIN user only in the root database.
D. Privileges are granted to the C##A_ADMIN user in the root database and all PDBs.
E. The statement for granting a role to a user fails because the CONTAINER clause is not used.