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시험 번호/코드: SY0-401시험 이름: CompTIA Security+ Certification
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100% 환불보장약속 SY0-401자격증자료
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NO.1 Matt, a security consultant, has been tasked with increasing server
fault tolerance and has been
given no budget to accomplish his task. Which of
the following can Matt implement to ensure servers
will withstand hardware
failure?
A. A cold site
B. A host standby
C. RAID
D. Hardware load
balancing
Answer: C
SY0-401인증
Explanation:
Fault
tolerance is the ability of a system to sustain operations in the event of a
component failure.
Fault-tolerant systems can continue operation even though
a critical component, such as a disk drive,
has failed. This capability
involves overengineering systems by adding redundant components
and
subsystems. RAID can achieve fault tolerance using software which can be
done using the existing
hardware and software.
NO.2 Matt, a systems
security engineer, is determining which credential-type authentication to
use
within a planned 802.1x deployment. He is looking for a method that does
not require a client
certificate, has a server side certificate, and uses TLS
tunnels for encryption. Which credential type
authentication method BEST fits
these requirements?
A. PEAP-MSCHAPv2
B. EAP-FAST
C. PEAP-CHAP
D.
EAP-TLS
Answer:
A
SY0-401자격시험
Explanation:
PEAP-MS-CHAP v2 is
easier to deploy than EAP-TLS or PEAP-TLS because user authentication
is
accomplished via password-base credentials (user name and password) rather
than digital certificates
or smart cards. Only servers running Network Policy
Server (NPS) or PEAP-MS-CHAP v2 are required
to have a
certificate.
NO.3 Which of the following BEST describes a SQL Injection
attack?
A. The attacker attempts to have the receiving server run a payload
using programming commonly
found on web servers.
B. The attacker attempts
to have the receiving server pass information to a back-end database
from
which it can compromise the stored information.
C. The attacker
overwhelms a system or application, causing it to crash, and then redirects
the
memory address to read from a location holding the payload.
D. The
attacker overwhelms a system or application, causing it to crash and bring the
server down to
cause an outage.
Answer:
B
SY0-401인증
Explanation:
SQL injection is a
code injection technique, used to attack data-driven applications, in
which
malicious SQL statements are inserted into an entry field for execution
(e.g. to dump the database
contents to the attacker). SQL injection must
exploit a security vulnerability in an application's
software, for example,
when user input is either incorrectly filtered for string literal escape
characters
embedded in SQL statements or user input is not strongly typed and
unexpectedly executed. SQL
injection is mostly known as an attack vector for
websites but can be used to attack any type of SQL
database.
NO.4
Which of the following technologies was developed to allow companies to use
less-expensive
storage while still maintaining the speed and redundancy
required in a business environment?
A. Tape Backup
B. RAID
C.
Clustering
D. Load Balancing
Answer: C
NO.5 Ann, a security
administrator at a call center, has been experiencing problems with
users
intentionally installing unapproved and occasionally malicious software
on their computers. Due to
the nature of their jobs, Ann cannot change their
permissions. Which of the following would BEST
alleviate her concerns?
A.
Create an approved application list and block anything not on it.
B. Maintain
the baseline posture at the highest OS patch level.
C. Deploy a HIDS suite on
the users' computers to prevent application installation.
D. Enable the
pop-up blockers on the users' browsers to prevent malware.
Answer:
A
SY0-401기출문제
Explanation:
You can use Software
Restriction Policy or its successor AppLocker to prevent
unauthorized
applications from running or being installed on
computers.
Software Restriction Policies (SRP) is Group Policy-based feature
that identifies software
programs running on computers in a domain, and
controls the ability of those programs to run.
Software restriction policies
are part of the Microsoft security and management strategy to
assist
enterprises in increasing the reliability, integrity, and
manageability of their computers.
You can use AppLocker as part of your
overall security strategy for the following scenarios:
Help prevent malicious
software (malware) and unsupported applications from affecting computers
in
your environment.
Prevent users from installing and using unauthorized
applications.
Implement application control policy to satisfy portions of
your security policy or compliance
requirements in your
organization.
NO.6 An administrator is configuring a new Linux web server
where each user account is confined to
a cheroot jail. Which of the following
describes this type of control?
A. Sandbox
B. Segmentation
C.
SysV
D. Zone
Answer: A
SY0-401시험자료
NO.7
Which of the following is true about an email that was signed by User A and sent
to User B?
A. User A signed with their own public key and User B verified
with User A's private key.
B. User A signed with User B's public key and User
B verified with their own private key.
C. User A signed with their own
private key and User B verified with User A's public key.
D. User A signed
with User B's private key and User B verified with their own public
key.
Answer: C
SY0-401교재
Explanation:
The
sender uses his private key, in this case User A's private key, to create a
digital signature.
The message is, in effect, signed with the private key.
The sender then sends the message to the
receiver. The receiver (User B) uses
the public key attached to the message to validate the digital
signature. If
the values match, the receiver knows the message is authentic.
The receiver
uses a key provided by the sender-the public key-to decrypt the
message.
NO.8 DRAG DROP
A forensic analyst is asked to respond to an
ongoing network attack on a server. Place the items in
the list below in the
correct order in which the forensic analyst should preserve
them.
Answer:
Explanation:
When dealing with multiple issues, address
them in order of volatility (OOV); always deal with the
most volatile first.
Volatility can be thought of as the amount of time that you have to collect
certain
data before a window of opportunity is gone. Naturally, in an
investigation you want to collect
everything, but some data will exist longer
than others, and you cannot possibly collect all of it
once. As an example,
the OOV in an investigation may be RAM, hard drive data, CDs/DVDs,
and
printouts.
Order of volatility: Capture system images as a snapshot of
what exists, look at network traffic and
logs, capture any relevant
video/screenshots/hashes, record time offset on the systems, talk
to
witnesses, and track total man-hours and expenses associated with the
investigation.
References:
Dulaney, Emmett and Chuck Eastton, CompTIA
Security+ Study Guide, 6th Edition, Sybex,
Indianapolis, 2014, p.
453
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