Answer:
The term IDS refers to a system that listens to network traffic to detect abnormal or suspicious activities, and thus reduce the risk of intrusion.
Explanation:
Its advantages are
•They are connected in network segments, so with a single IDS you can detect attacks on all computers connected to that segment
•They are independent of the mobile platform by the different teams in the network.
•These are attacks to detect attacks detected in the detection of IP attacks or denial of service attacks that can block the server.
-They can behave as if they were invisible to attackers.
Its disadvantages are
•They are ineffective in systems with encrypted traffic.
•Its operation becomes difficult in network environments detected in high-speed computers, since they usually reach Gbps speeds, preventing the IDS from analyzing all packets on time.
•If there is momentary network congestion, the IDS could start losing packets.
•Because they operate in heterogeneous environments (Windows, Linux, etc.) they may not be able to define the relevance of an attack on each platform.
Answer:
D. This agreement is not in the best interest of society, because there will be less competition and the price of cell phones will be significantly below marginal cost.
Explanation:
If the market for cell phones is an oligopoly market(Oligopoly market is a market situation where few firms are dominating the market), and the consumption and production of cell phone generate no negative externalizes and the major companies desired to collude and charge a single price for their product then this agreement is not in the best interest of society, because there will be less competition and the price of cell phones will be significantly below marginal cost.
Answer:
Expected return is: 7.37% and the Standard deviation is: 24.96%
Explanation:
Correlation between fund S&B=0,0667
Standard Deviation of Fund S=41%
Standard Deviation of Fund(B)=30%
E(R) of Stock Fund S=12%
E(R) of Stock Fund B=5%
Covariance between the funds = Standard Deviation of Fund(B) × Standard Deviation of Fund S × correlation between these funds
Cov = 0.41 × 0.30 × 0.0667 = 0.008204
Now minimum variance portfolio is found by applying:
W min(S)=(SDB)^2-Cov(B,S) / ((SDS)^2+(SDB)^2-2Cov(B,S)
W min(S) = 0.338431
W min(B) = 1-0.338431=0.661569
1) E(r)min= 0.338431 × 12% + 0.661569 × 5% = 7.37%
2) Standard Deviation:
SD Min = (Ws^2XSDs^2+Wb^2XSDb^2+2XWsWb*Cov(s,B)^1/2
SDmin=(0.338431^2 × 0.41^2 + 0.661569^2 × 0.3^2 + 2 × 0.338431 × 0.661569 × 0.008204)^1/2
SDmin=24.96%
Answer:
A)
common stock dividends 9,600 // 0.32 EPS
preferred stock dividends 4,800 //0.8 EPS
B)
preferred stock dividends 14,400 // 2.4 EPS
C)
common stock dividends 51,600 // 1.72 EPS
preferred stock dividends 14,400 // 2.4 EPS
Explanation:
preferred stock 6,000 shares x $10 each x 8% = 4,800
If noncumulative then:
14,400 - 4,800 = 9,600 for common stock
EPS:
4,800 / 6,000 = 0.8 PS
9,600 / 30,000 = 0.32 CS
if cumulative:
4,800 x 3 years (2016 // 2017 and the current year 2018) = 14,400
EPS
14,400 / 6,000 = 2.4 PS
if dividends are 66,000 rather than 14,400
66,000 - 14,400 = 51,600
EPs 51,600 / 30,000 = 1.72
Answer:
The correct answer is b. Take advantage of economies of scale and scope by opening a chain of lower priced economy hotels that leverage the Coastal Haven brand image.
Explanation:
The economy of scale refers to the power that a company has when it reaches an optimum level of production to produce more at a lower cost, that is, as production in a company grows, its costs per unit produced are reduced. The more it produces, the less it costs to produce each unit.
In other words, it means that if in a production function the quantity of all inputs used is increased by one percentage, the output produced can increase by that same percentage or increase by greater or lesser amount than the same percentage. If it increases by the same percentage, we would be faced with constant economies of scale, if it were in more, they would be growing economies of scale, if it were in less, in decreasing economies of scale.
In microeconomics, economy of scale is understood as the advantages in terms of costs that a company obtains thanks to the expansion and good synergies that it has applied to its competitive environment
.
The concept of "economies of scale" serves for the long term, and refers to reductions in unit cost as the size of an installation and the levels of input utilization increase. The usual sources of economies of scale are the inventory (large-scale purchase of materials through long-term contracts), management and logistics (increasing the specialization of managers), financial (obtaining lower interest costs in bank financing), marketing and technology (benefiting of the scale yields in the production function).
