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1:
What are database views used for?
A. To ensure referential integrity.
B. To allow easier access to data in a database.
C. To restrict user access to data in a database.
D. To provide audit trails.
CISSP
Actualtests.com - The Power of Knowing - ANSWER ✓ C
Explanation: Through the use of a view we can provide security for the
organization
restricting users access to certain data or to the real tables containing the
information in
our database. For example, we can create a view that brings data from 3 tables,
only
showing 2 of the 4 columns in each. Instead of giving access to the tables that
contain the
information, we give access to the view, so the user can access this fixed
information but
does not have privileges over the tables containing it. This provides security.
2:
Which of the following Common Data Network Services is used to send and
receive email
,internally or externally through an email gateway device?
A. File services
B. Mail services
C. Print services
D. Client/Server services - ANSWER ✓ B
Explanation: This functionality is provided through mail services, this service
permits
collaboration between users in an internal and external level. We usually use two
protocols,
"SMTP" in port TCP 25 to send the emails and "POP3" in port TCP 110 to receive
them.
Currently there is another protocol that is gaining popularity, it is "IMAP4". Print
services are used for printing documents and file services are used to share and
access files
and folders inside the infrastructure.
3:
Intrusion detection has which of the following sets of characteristics.
A. It is adaptive rather than preventive.
B. It is administrative rather than preventive.
C. It is disruptive rather than preventative.
D. It is detective rather than preventative. - ANSWER ✓ D
Explanation: This is one of the features of intrusion detections, instead of being
pro-active,
it has a reactive behavior. When we set an IDS system inside of our network or
hosts, the
IDS agent is constantly monitoring in real time what activities are being performed
in the
infrastructure. If the IDS founds a malicious activity taking place it can take
actions
against it like disabling interfaces, alerting the administrators or sending network
attacks
to the source to put it out of service.
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As a difference to the detective behavior of IDS, we can also increase the security
with practices
like hardening our systems ,this is considered a preventive practice.
4:
Which type of password provides maximum security because a new password is
required
for each now log-on is defined to as?
A. One-time or dynamic password
B. Cognitive password
C. Static password
D. Pass phrase - ANSWER ✓ A
Explanation: "One-time" or "dynamic" password technology concept is having
your
remote host already know a password that is not going to go over insecure
channels and
when you connect, you get a challenge. You take the challenge information and
password
and plug it into an algorithm which generates the response that should get the same
answer
if the password is the same on the both sides. Therefore the password never goes
over the
network, nor is the same challenge used twice. Unlike SecurID or SNK, with S/key
you do
not share a secret with the host.
Other one time password technology is card systems where each user gets a card
that generates
numbers that allow access to their account. Without the card, it is improbable to
guess the
numbers.
5:
, They in form of credit card-size memory cards or smart cards, or those resembling
small
calculators, are used to supply static and dynamic passwords are called?
A. Token Ring
B. Tokens
C. Token passing networks
D. Coupons - ANSWER ✓ B
Explanation: Tokens are usually used to provide authentication through "What we
have",
is most commonly implemented to provide two-factor authentication. For example,
SecurID requires two pieces of information, a password and a token. The token is
usually
generated by the SecurID token - a small electronic device that users keep with
them that
display a new number every 60 seconds. Combining this number with the users
password
allows the SecurID server to determine whatever or not the user should be granted
access.
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6:
Which of the following uses a directed graph to specify the rights that a subject can
transfer to an
object, or that a subject can take from another subject?
A. Take-Grant model
B. Access Matrix model
C. Biba model
D. Bell-Lapadula model - ANSWER ✓ A
Explanation: The Take-Grant System is a model that helps in determining the
protection