Search the web for a tool that fetches DNS record (e.g., who.is, nslookup.io), then use it to fill-in the following:• Complete the A record for our university web server: (TTL)· UJ has 2 authoritative servers. This appeared from DNS record typeThe first authoritativeserver name is

The Domain Name System (DNS) is the phonebook of the Internet. Humans access information online…

Answered: Search the web for a tool that fetches…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Similar questions

Identify the vulnerabilities associated with each authentication technique and provide a fix for the issue at hand. Bob generates a hash of a password and compares it to a repository of hashes.Bob uses a database of previously hashed passwords to compare a given password against.
Explain the dangers of each authentication technique and provide a solution to the following problem. Bob uses a hashed password to check against a collection of other hashed passwords. Bob uses a database of double-hashed passwords to check a hashed password.
Bob designed a new scheme to detect whether a message is modified by an attacker (protecting data integrity). The scheme is to append to each message a SHA-256 hash of that message. Explain the vulnerability of Bob’s design.
b) Suppose a bank organization MyBank has designed a system in which a symmetric session key is established as below. the user's browser generates a 128-bit random key, K user's browser sends K to the server by encrypting it with the server's public key In terms of providing forward secrecy, do you think that the approach used for the session key establishment is appropriate? If your answer is YES, provide details to support your answer. If your answer is NO, explain why and what would you recommend instead to achieve forward secrecy.
Q9B- Context- Alice and Bob are members of the same Kerberos realm. They are both currently logged in with active session keys from the Kerberos KDC (key distribution centre). As per the Kerberos standard, the KDC has created unique session keys for both Alice and Bob, and then discarded them once received by the respective users. Alice wants to access a resource owned by Bob and contacts the KDC to request the necessary material. Answer the following questions about this scenario: Q- How can the KDC verify Alice’s identity after discarding her session key?
1) Update your SQL server to allow mixed authentication mode. You can do it in SSMS or by running the following TSQL code: use master; EXEC xp_instance_regwrite N'HKEY_LOCAL_MACHINE', N'Software\Microsoft\MSSQLServer\MSSQLServer', N'LoginMode', REG_DWORD, 2;
q9c- Context- Alice and Bob are members of the same Kerberos realm. They are both currently logged in with active session keys from the Kerberos KDC (key distribution centre). As per the Kerberos standard, the KDC has created unique session keys for both Alice and Bob, and then discarded them once received by the respective users. Alice wants to access a resource owned by Bob and contacts the KDC to request the necessary material. Answer the following questions about this scenario: Q- When Bob receives the service ticket from Alice, why should he trust her and what guarantees the service ticket is genuine and wasn’t forged by Alice?
What’s the correct answer
Provide a solution to the issue outlined below by identifying the security weaknesses in each of the authentication methods.When Bob hashes a password, he compares it to a list of previously hashed passwords in a database.Bob performs a hashing technique on a password and then compares it to a database of hashed passwords.
Both WMI and CIM are using the same WMI Repository, and that's why cmdlets of WMI and CIM, for example, Get-WmiObject and Get-CimInstance function similarly. Group of answer choices True False
Provide justification for the insecure nature of the following URLs and a strategy for shoring them up:
Using a relevant example, describe DNS recursive and iterative searches.

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Search the web for a tool that fetches DNS record (e.g., who.is, nslookup.io), then use it to fill-in the following: Complete the A record for our university web server: ( TTL) • UJ has 2 authoritative servers. This appeared from DNS record type The first authoritative server name is