题目内容

记者是否采用隐性采访手段的最重要依据是

A. 新闻价值是否大
B. 公开采访是否会受到阻挠
C. 是否涉及较大的公共利益
D. 采访对象是否是公众人物

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客观是新闻记者所应遵守的职业伦理规范，下列哪个不属于新闻客观的评价标准

A. 是否按照事物的本来面目反映事物
B. 是否进行了平衡报道
C. 是否将事实与观点严格分开，避免主观倾向
D. 是否有作者观点

翻译，把下列句子翻译成汉语：1、We mentioned the CIA triad: confidentiality, integrity and availability.2、A virus is a program that embeds a copy of itself and inserts those copies into other programs. 3、A worm is a type of virus that uses a network to copy itself onto other computers.4、Cryptography is the study of mathematically encoding and decoding messages.5、Symmetric-key cryptography uses the same cryptographic keys for both encryption of plaintext and decryption of ciphertext.6、In asymmetric key cryptography, each user has a pair of keys that are related mathematically.7、Hash functions, also called one-way encryption or message digests, are algorithms that use no key.8、Quantum cryptography is the science of existing knowledge of physics and quantum mechanics to perform cryptographic tasks in a secure cryptosystem.9、Steganography is the science of concealing information.

Compare and contrast symmetric-key and asymmetric-key cryptography.

Make a brief description of the MD5 algorithm.