評判が高いコンプティア SY0-401認定資格試験の参考書
NO.1 A server is configured to communicate on both VLAN 1 and VLAN 12. VLAN 1 communication
works fine, but VLAN 12 does not. Which of the following MUST happen before the server can
communicate on VLAN 12?
A. The server's network switch port must be enabled for 802.11x on VLAN 12.
B. The server's network switch port must use VLAN Q-in-Q for VLAN 12.
C. The server's network switch port must be 802.1q untagged for VLAN 12.
D. The server's network switch port must be 802.1q tagged for VLAN 12.
Answer: D
SY0-401研修
Explanation:
802.1q is a standard that defines a system of VLAN tagging for Ethernet frames. The purpose of a
tagged port is to pass traffic for multiple VLAN's.
Incorrect Options:
A: 802.11x provides an authentication mechanism to devices wishing to attach to a LAN or WLAN.
B: VLAN Q-in-Q allows multiple VLAN tags to be inserted into a single frame.
C: The purpose an untagged port is to accept traffic for a single VLAN only.
Reference:
https://en.wikipedia.org/wiki/IEEE_802.1Q
https://documentation.meraki.com/zGeneral_Administration/Tools_and_Troubleshooting/Fundame
ntals_of_802.1Q_VLAN_Tagging
https://en.wikipedia.org/wiki/IEEE_802.1X
https://en.wikipedia.org/wiki/IEEE_802.1ad
NO.2 Digital certificates can be used to ensure which of the following? (Select TWO).
A. Authorization
B. Verification
C. Confidentiality
D. Availability
E. Non-repudiation
Answer: C,E
SY0-401実際試験 SY0-401サンプル
Explanation:
Digital Signatures is used to validate the integrity of the message and the sender. Digital certificates
refer to cryptography which is mainly concerned with Confidentiality, Integrity, Authentication,
Nonrepudiation and Access Control. Nonrepudiation prevents one party from denying actions they
carried out.
NO.3 A network engineer is setting up a network for a company. There is a BYOD policy for the
employees so that they can connect their laptops and mobile devices.
Which of the following technologies should be employed to separate the administrative network
from the network in which all of the employees' devices are connected?
A. VPN
B. MAC filtering
C. WPA2
D. VLAN
Answer: D
SY0-401認定テキスト
Explanation:
A virtual local area network (VLAN) is a hardware-imposed network segmentation created by
switches. VLANs are used for traffic management. Communications between ports within the same
VLAN occur without hindrance, but communications between VLANs require a routing function.
NO.4 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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試験番号：SY0-401問題集試験科目：CompTIA Security+ Certification
最近更新時間：2016-06-15
問題と解答：全1750問 SY0-401 基礎問題集
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