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Cybersecurity: Ch 5 & 6

Total questions: 21

Worksheet time: 1hrs 3mins

Name
Class
Date
1.

What is a strength of using a hashing function?

a)

It is a one-way function and not reversible

b)

Two different files can be created that have the same output

c)

It has a variable length output

d)

It is not commonly used in security

2.

A user is connecting to an e-commerce server to buy some widgets for a company. The user connects to the site and notices there is no lock in the browser security status bar. The site does prompt for a username and password and the user is able to log in. What is the danger in proceeding with this transaction?

a)

Ad blocker software is preventing the security bar from working properly, and thus there is no danger with the transaction.

b)

The user is using the wrong browser to perform the transaction.

c)

The site is not using a digital certificate to secure the transaction, with the result that everything is in the clear.

d)

The certificate from the site has expired, but is still secure.

3.

A recent breach at a company was traced to the ability of a hacker to access the corporate database through the company website by using malformed data in the login form. What is the problem with the company website?

a)

weak encryption

b)

lack of operating system patching

c)

poor input validation

d)

bad usernames

4.

What is the purpose of CSPRNG? (cryptographically secure pseudorandom number generator)

a)

to secure a web site

b)

to process hash lookups

c)

to generate salt

d)

to prevent a computer from being a zombie

5.

A recent email sent throughout the company stated that there would be a change in security policy. The security officer who was presumed to have sent the message stated the message was not sent from the security office and the company may be a victim of a spoofed email. What could have been added to the message to ensure the message actually came from the person?

a)

digital signature

b)

hashing

c)

asymmetric key

d)

non-repudiation

6.

Which method tries all possible passwords until a match is found?

a)

brute force

b)

cryptographic

c)

rainbow tables

d)

dictionary

7.

Alice and Bob use the same password to login into the company network. This means both would have the exact same hash for their passwords. What could be implemented to prevent both password hashes from being the same?

a)

peppering

b)

pseudo-random generator

c)

salting

d)

RSA

8.

A user has created a new program and wants to distribute it to everyone in the company. The user wants to ensure that when the program is downloaded that the program is not changed while in transit. What can the user do to ensure that the program is not changed when downloaded?

a)

Encrypt the program and require a password after it is downloaded

b)

Distribute the program on a thumb drive

c)

Create a hash of the program file that can be used to verify the integrity of the file after it is downloaded

d)

Turn off antivirus on all computers

9.

An investigator finds a USB drive at a crime scene and wants to present it as evidence in court. The investigator takes the USB drive and creates a forensic image of it and takes a hash of both the original USB device and the image that was created. What is the investigator attempting to prove about the USB drive when the evidence is submitted in court?

a)

The investigator found a USB drive and was able to make a copy of it

b)

An exact copy cannot be made of a device

c)

The data is all there.

d)

The data in the image is an exact copy and nothing has been altered by the process

10.

A user is the database administrator for a company. The user has been asked to implement an integrity rule that states every table ​must have a primary key and that the column or columns chosen to be the primary key must be unique and not null. Which integrity requirement is the user implementing?

a)

domain integrity

b)

entity integrity

c)

anomaly integrity

d)

referential integrity

11.

A user downloads an updated driver for a video card from a website. A warning message pops up saying the driver is not approved. What does this piece of software lack?

a)

source code

b)

code recognition

c)

digital signature

d)

valid ID

12.

A user is purchasing a new server for the company data center. The user wants disk striping with parity on three disks. Which RAID level should the user implement?

a)

5

b)

1

c)

10

d)

0

13.

A user is asked to perform a risk analysis of a company. The user asks for the company asset database that contains a list of all equipment.The user uses this information as part of a risk analysis. Which type of risk analysis could be performed?

a)

exposure factor

b)

qualitative

c)

quantitative

d)

hardware

14.

A user is evaluating the network infrastructure of a company. The user noted many redundant systems and devices in place, but no overall evaluation of the network. In a report, the user emphasized the methods and configurations needed as a whole to make the network fault tolerant. What is the type of design the user is stressing?

a)

resilient

b)

comprehensive

c)

availability

d)

spanning tree

15.

The CEO of a company is concerned that if a data breach should occur and customer data is exposed, the company could be sued. The CEO makes the decision to buy insurance for the company. What type of risk mitigation is the CEO implementing?

a)

transference

b)

mitigation

c)

reduction

d)

avoidance

16.

A user is asked to evaluate the security posture of a company. The user looks at past attempts to break into the company and evaluates the threats and exposures to create a report. Which type of risk analysis could the user perform?

a)

opinion

b)

subjective

c)

objective

d)

qualitative

17.

A security breach has happened at a major corporation. The incident team has responded and executed their incident response plan. During which phase are lessons learned applied?

a)

post-incident

b)

recovery

c)

containment

d)

preparation

18.

A user is running a routine audit of the server hardware in the company data center. Several servers are using single drives to host operating systems and multiple types of attached storage solutions for storing data. The user wants to offer a better solution to provide fault tolerance during a drive failure. Which solution is best?

a)

offsite backup

b)

tape backup

c)

UPS

d)

RAID

19.

A user is a consultant who is hired to prepare a report to Congress as to which industries should be required to maintain five nine availability. Which industries should the user NOT include in a report?

a)

healthcare

b)

public safety

c)

finance

d)

retail

20.

A team has been asked to create an incident response plan for security incidents. In what phase of an incident response plan does the team get management approval of the plan?

a)

analysis

b)

preparation

c)

detection

d)

containment

21.

The five nines rule tries to keep a companies servers running with as minimal downtime as

a)

5 min

b)

52 min

c)

8 hrs

d)

87 hrs