Subject: Cryptography

Suppose a system uses a Public-Key Infrastructure with a Certificate Revocation List. A device in that system is asked to verify a certificate but cannot access the Certificate Revocation List database because of a denial-of-service attack. What are the possible courses of action for the device, and what are the advantages and disadvantages of each course of action?

Please visit any company in KSA and collect information on the AIS system followed by the company.

1. Explain the AIS system followed by the company

2. The process of its database

3.Final information(Financial Statements)

4.Threats and controlling measures of the system

its ok if you want make it short

I wish to use a B-type thermocouple to measure a temperature of 1600⁰C. I am using 100⁰C (boiling water) as my reference temperature. What is the emf expected at 1600⁰C ? (Refer to the NIST thermocouple database):

a)

11.233 mv

b.

0.033 mV

c.

11.263 mV

d.

None of the above

A general-purpose database management system (DBMS) has 5 basic responsibilities:

• Interaction with the file management system

• Integrity enforcement

• Security enforcement

• Backup and Recovery

• Concurrency control

For each responsibility, explain the problems that would arise if the DBMS did not execute these responsibilities. Be descriptive and give examples where appropriate.

Discuss various Global HRMS options. Talk about the key considerations in purchasing and maintaining a global HRMS database.

What specific concerns/unique challenges ould you have with the countries in the region that you selected? Be sure to include currency, pay periods / special pays, data privacy issues, etc.

In this forum, discuss business rules and how they influence database design. Explain what is data modeling and why data models are important.

Submission Format:

Initial post must be made 2 or more days before the closing date, 5 or more sentences long, must be the correct response as well as thoughtful.

Database:

Our AD is Movie Theater.
Create an ER diagram with the following entities: Staff, Ticket, Movie, Session, Hall, Seat, Director, Actor, Distributor, and Roles. AND also identify the type of relations between the entities with notations and explain why you used it.

**Read the question carefully before you answer**

How do I cite IAS 2 inventories and FASB 330 topic? It needs to be in the Chicago style.

This is what I came up with:

IAS (International Accounting Standards). plus.com. 2015. IAS 2 — /ias/ias1>

IAS 2, "Inventories"

FASB (Financial Accounting Standards Board). (2015 July). Accounting Standards Update (ASU) No. 2015-11 Inventory (Topic 330)

In regards to modern operating systems If you are asked to design a hotel check-in system that has three steps, what would you like to propose? If you are asked to detail your previous design so that it has five steps, how would you update it and why? If you are asked to propose a hotel check-in system without any limitation in steps, what would it be and why?

Which of these statements about deadlock are true? (list all that are true.)

a. If all transactions use two-phase locking, they cannot deadlock.
b. Once two transactions deadlock, one of them must be aborted to maintain correctness.
c. Systems that support update locks (S, X and U modes) cannot deadlock.
d. Validation based concurrency control schemes cannot deadlock.