The way how Mendeleev organized the elements into rows and columns in his periodic table was that he decided to arrange all <span>the elements in rows in order of increasing mass, that will make the elements with similar properties stand in the same column. Soon he discovered many new elements such as gallium and after that he realized how his periodic system is useful for classification new elements.</span>
Answer: MD5
Explanation:
The Cisco IOS modifying the dead internal automatically when the message digest 5 (MD5) internal are changed in the system. When we enabled the MD5 authentication in the Cisco by using the keyword "Message digest" then we configuring the password in the IP OSPF interface command which is known as MD5 key.
The OSPF interface is a compatible configuration in the remote interface before they considered as neighbors in the Cisco system. The MD5 are basically created by the cisco NX-OS.
Answer:
SSH, HTTPS and SMTP
Explanation:
Data theft can be defined as a cyber attack which typically involves an unauthorized access to a user's data with the sole intention to use for fraudulent purposes or illegal operations. There are several methods used by cyber criminals or hackers to obtain user data and these includes DDOS attack, SQL injection, man in the middle, phishing, etc.
Encryption is a form of cryptography and typically involves the process of converting or encoding informations in plaintext into a code, known as a ciphertext. Once, an information or data has been encrypted it can only be accessed and deciphered by an authorized user.
Some examples of encryption algorithms are 3DES, AES, RC4, RC5, and RSA.
Hence, SSH, HTTPS and SMTP are considered as secure network protocols.
HTTPS is acronym for Hypertext Transfer Protocol Secure while SSL is acronym for Secure Sockets Layer (SSL).
SMTP is an acronym for Simple Mail Transfer Protocol and it uses the standard port number of 25 to provide clients with requested services.
Answer: B. PDF
Explanation:
Portable Document Format (PDF) is such an important document that it is considered the international standard for information and document exchange. It is used for letters, resumes and even electronic contracts.
PDF was developed by Adobe to make it independent of the device or application it is being viewed on and combines layers of information into one layer thereby making it a flat document.
Answer:
The Paragraph group on the Home tab contains commands to set and control several format options for a paragraph. The options include alignment, indentation, line spacing, and pagination. click Ctrl+J to justify. You can indent individual paragraphs so they appear to have different margins from the rest of a document.
Explanation:
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