显示标签为“CAS-001”的博文。显示所有博文
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2013年9月25日星期三

CAS-001 dernières questions d'examen certification CompTIA et réponses publiés

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Code d'Examen: CAS-001
Nom d'Examen: CompTIA (CompTIA Advanced Security Practitioner)
Questions et réponses: 272 Q&As

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NO.1 You work as a Network Administrator for uCertify Inc. You want the clients and servers in your
organization to be able to communicate in a way that prevents eavesdropping and tampering of data on
the Internet. Which of the following will you use to accomplish the task?
A. EFS
B. WEP
C. SSL
D. MS-CHAP
Answer: C

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NO.2 Which of the following protocols is used extensively in communication and entertainment systems that
involve streaming media, such as telephony, video teleconference applications and web-based push to
talk features?
A. SIP
B. MGCP
C. H.323
D. RTP
Answer: D

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NO.3 Which of the following security practices are included in the Implementation phase of the Security
Development Lifecycle (SDL)? Each correct answer represents a complete solution. Choose two.
A. Establish Design Requirements
B. Perform Static Analysis
C. Use Approved Tools
D. Execute Incident Response Plan
Answer: A,B,C

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NO.4 Which of the following terms is about communicating the user's need and ability to communicate, and
the medium through which that communication may occur?
A. Data sharing
B. Presence
C. Instant messaging
D. Audio conferencing
Answer: B

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NO.5 Which technology can be used to help ensure the efficient transport of VoIP traffic?
A. DNS
B. QoS
C. H.323
D. RSTP
Answer: B

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NO.6 Which of the following are the functions of a network security administrator? Each correct answer
represents a complete solution. Choose three.
A. Backing up the files
B. Writing computer software
C. Maintaining and implementing a firewall
D. Developing, maintaining, and implementing IT security
Answer: A,C,D

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NO.7 Which of the following components of a VoIP network is frequently used to bridge video conferencing
connections?
A. MCU
B. Videoconference station
C. IP Phone
D. Call agent
Answer: A

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NO.8 Collaboration platform offers a set of software components and services that enable users to
communicate, share information, and work together for achieving common business goals. What are the
core elements of a collaboration platform?
Each correct answer represents a part of the solution. Choose three.
A. Product and service integration
B. Real-time communication
C. Change management
D. Team collaboration
E. Messaging
Answer: B,D,E

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NO.9 In which of the following attacks does an attacker intercept call-signaling SIP message traffic and
masquerade as the calling party to the called party and vice-versa?
A. Call tampering
B. Man-in-the-middle
C. Eavesdropping
D. Denial of Service
Answer: B

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NO.10 You need to ensure that a session key derived from a set of long-term public and private keys will not be
compromised if one of the private keys is compromised in the future?
A. Perfect forward secrecy
B. Secure socket layer
C. Secure shell
D. Security token
Answer: A

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NO.11 You work as a Network Administrator for uCertify Inc. You want to allow some users to access a
particular program on the computers in the network. What will you do to accomplish this task?
A. Apply remote access policies
B. Apply NTFS permissions
C. Apply group policies
D. Apply account policies
Answer: C

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NO.12 Which of the following is frequently used by administrators to verify security policies of their networks
and by attackers to identify running services on a host with the view to compromise it?
A. Fuzzer
B. Port scanner
C. MegaPing
D. UDP scan
Answer: B

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NO.13 SDLC phases include a minimum set of security tasks that are required to effectively incorporate
security in the system development process. Which of the following are the key security activities for the
development/acquisition phase?
Each correct answer represents a complete solution. Choose two.
A. Prepare initial documents for system certification and accreditation
B. Conduct the risk assessment and use the results to supplement the baseline security controls
C. Determination of privacy requirements
D. Initial delineation of business requirements in terms of confidentiality, integrity, and availability
Answer: A,B

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NO.14 Which of the following is the most secure authentication scheme and uses a public key cryptography
and digital certificate to authenticate a user?
A. Form-based authentication
B. Basic authentication
C. Digest authentication
D. Certificate-based authentication
Answer: D

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NO.15 Which of the following is an XML-based framework developed by OASIS and used to exchange user,
resource and service provisioning information between cooperating organizations?
A. SOAP
B. SAML
C. SPML
D. XACML
Answer: C

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NO.16 Which of the following stages are involved in the successful implementation of a collaboration platform?
Each correct answer represents a part of the solution. Choose two.
A. Ongoing collaboration solution design
B. Federated identity management
C. Platform implementation
D. Product and service integration
Answer: A,C

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NO.17 You work as a Network Administrator for uCertify Inc. You need to conduct network reconnaissance,
which is carried out by a remote attacker attempting to gain information or access to a network on which it
is not authorized/allowed.
What will you do?
A. Use a SuperScan
B. Use a netcat utility
C. Use a vulnerability scanner
D. Use an idle scan
Answer: C

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NO.18 In which of the following activities an organization identifies and prioritizes technical, organizational,
procedural, administrative, and physical security weaknesses?
A. Social engineering
B. Vulnerability assessment
C. White box testing
D. Penetration testing
Answer: B

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NO.19 The Security Development Lifecycle (SDL) consists of various security practices that are grouped under
seven phases. Which of the following security practices are included in the Requirements phase.?
Each correct answer represents a complete solution. Choose all that apply.
A. Incident Response Plan
B. Create Quality Gates/Bug Bars
C. Attack Surface Analysis/Reduction
D. Security and Privacy Risk Assessment
Answer: B,D

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NO.20 Which of the following is a declarative access control policy language implemented in XML and a
processing model, describing how to interpret the policies?
A. SAML
B. SOAP
C. SPML
D. XACML
Answer: D

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2013年7月25日星期四

CompTIA N10-005 SG1-001 ISS-001 CAS-001 JK0-018 examen pratique questions et réponses

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Code d'Examen: N10-005

Nom d'Examen: CompTIA (Network + Certification Exam)

Questions et réponses: 769 Q&As

Code d'Examen: SG1-001

Nom d'Examen: CompTIA (CompTIA Storage+ Powered by SNIA Beta Exam)

Questions et réponses: 310 Q&As

Code d'Examen: ISS-001

Nom d'Examen: CompTIA (Intel Server Specialist Certification Exam)

Questions et réponses: 218 Q&As

Code d'Examen: CAS-001

Nom d'Examen: CompTIA (CompTIA Advanced Security Practitioner)

Questions et réponses: 277 Q&As

Code d'Examen: JK0-018

Nom d'Examen: CompTIA (CompTIA Security+ E2C (2011 Edition))

Questions et réponses: 794 Q&As

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NO.1 A production cluster is attached to redundant disk fabrics and a tape fabric. Each cluster member has
access to twelve (12) TB of RAID 5 production storage and twelve (12) TB of RAID 0 local replica
accessed through eight HBAs single initiator zoned to sixteen storage ports on one storage subsystem.
The tape fabric includes one connection to each server and connections to four (4) 1Gb FC to SCSI
gateways connected to ten (10) LTO II (35MB/s) tape drives. The standby cluster member performs
multi-threaded backups using the local replica. All HBAs and ports are 2Gb/s. If the recovery time is equal
to backup time, where is the bottleneck?
A. Tape HBA
B. Disk HBAs
C. Tape Drives
D. FC to SCSI Gateway
Answer: A

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NO.2 A customer has a database server that processes a great deal of data very quickly. They have identified
a bottleneck in the storage subsystem and requested a change to the RAID configuration. How would you
configure the new RAID group? (Choose two.)
A. Stripe across 7200 rpm drives
B. Stripe across 15K rpm drives
C. RAID 6
D. RAID 1+0
E. RAID 5
Answer: B,D

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NO.3 Which two (2) are advantages of ISL over-subscription? (Choose two.)
A. efficient ISL bandwidth utilization
B. lowers cost-per-port per installation
C. higher performance per ISL
D. enables zoning simplicity
E. more available F_Ports
Answer: A,E

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NO.4 The customer has an existing fabric switches installed from one manufacturer. They have decided to
add a redundant fabric using switches from a different manufacturer. Interoperability is their main concern.
What is important when considering interoperability in the SAN?
A. switch interoperability mode
B. HBA firmware/driver code
C. zone naming convention
D. virtualization engine
Answer: D

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NO.5 The storage administrator has a request to add more storage to support added features on an
application. Which two (2) steps must be taken for the application to recognize the added storage?
(Choose two.)
A. re-scan the SCSI bus
B. enable array re-scanning
C. configure LUN masking
D. zone the host to the subsystem port
E. increase the HBA time out value
Answer: A,C

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NO.6 The SAN audit reports that there is a single fabric in a full mesh topology. Which three (3) benefits result
from migrating to dual fabrics with full mesh topologies? (Choose three.)
A. less inter-switch links
B. simplifies manageability
C. protection from human error
D. reduction in maintenance activity
E. decreased maintenance disruption
Answer: A,C,E

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NO.7 Two servers have been connected to a SAN with redundant fabrics and the zone configuration needs to
be changed. How can you safely change the zone configuration?
A. Save the current zone configuration to disk, modify it and apply it to both fabrics simultaneously to
avoid segmentation.
B. Modify the zone configuration on one fabric, test it, and then modify the zone configuration on the
second fabric.
C. Modify the zone configuration on one fabric, test it, and then copy the zone configuration to the second
fabric.
D. Modify the zone configuration on both fabrics at the same time, enable them simultaneously to avoid
segmentation.
Answer: B

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NO.8 An application administrator seeks to improve the I/O performance of the server's SAN-attached
storage. Which HBA parameter setting change can affect the performance?
A. Queue Depth
B. PCI Connection Type
C. NL-Port Mode
D. SCSI ID Mapping
Answer: A

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NO.9 A two fabric merge has failed leaving you with segmented fabrics. Which could be the the cause of the
segmented fabrics?
A. unique domain Ids
B. identical zone names
C. timeouts set to equal values
D. non-compatible interoperability modes
Answer: B

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NO.10 You are the system administrator of a medium-sized manufacturing company. The chief executive
officer (CEO) is concerned about business continuity in case of a disaster. He constituted a project team
to develop a business continuity and disaster recovery solution. The team is discussing online backup
strategies. What affects time-to-create and incremental update of a copy-on-write snapshot?
A. number of files
B. number of LUNs
C. size of snap volume
D. size of LUN
Answer: D

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NO.11 What two (2) benefits does SCSI Command Tag Queueing provide? (Choose two.)
A. allows I/O requests to be queued to the device
B. determines the most efficient way to order & process commands
C. tags I/O requests so they can be executed first in first out
D. allows SCSI I/O throughput to equal rates of fibre channel
E. determines queue depth position
Answer: A,B

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NO.12 After a company experienced a localized disaster, the Business Continuance Plan was reviewed. The
plan was revised to include a Recovery Time Objective (RTO) of four (4) hours and a Recovery Point
Object (RPO) of one hour. What two (2) processes must be implemented to support this requirement?
(Choose two.)
A. mirrored snapshots of data and applications
B. backup tapes recovered from offsite storage
C. data snapshots from the previous day
D. operating system and application reinstallation media
E. hot or warm site
Answer: A,E

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NO.13 Your customer has upgraded to faster tape technology and the backup is now taking longer. No other
changes have been made. What is a possible cause of the performance degradation?
A. tape buffer overload
B. hardware compression
C. backup server cannot sustain required throughput
D. serpentine recording changed to helical scan technology
Answer: C

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NO.14 You have a single fabric with four servers connecting to an edge switch in a core edge configuration with
single 2Gb/s ISLs to the core. Each server has an average throughput requirement of 40MB/s. Under
which circumstance would you need to add a second ISL?
A. to provide a redundant path
B. to avoid congestion on the ISL
C. to separate out FSPF updates
D. to provide a management path
Answer: A

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NO.15 What enables a virtual machine to have a unique World Wide Port Name?
A. Address Replacement Protocol
B. Virtual Machine Address Translation
C. N_Port ID Virtualization
D. extended WWID Architecture
Answer: C

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NO.16 Last month, you successfully merged two (2) local SAN islands into a single core/edge fabric topology
and connected storage devices to the core switches. Performance benchmarks were met or exceeded. In
recent days, server administrators have documented a slow down in performance as I/O demands have
increased. Storage administrators report that all storage ports are under-utilized. What is the most likely
explanation?
A. conflicts between SAN routing protocols
B. storage port buffer credit limits have restricted I/O capabilities
C. multiple process login failures
D. over utilization of one or more ISLs
Answer: D

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NO.17 University IT provides shared Fibre Channel storage services. All storage subsystems and fibre
channel switches are located in the secure campus datacenter. Each college and department provides
their own systems and staff. Central IT provides fabric, storage and backup administration. Which security
mechanism is most important in this Fibre Channel infrastructure?
A. FCPAP
B. link encryption
C. switch authentication
D. port authentication
Answer: D

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NO.18 A server administrator notices when a specific server is re-booted its SAN storage is sometimes visible
and sometimes it is not. After examining the SAN switch logs, no FLOGI message has been received on
that port. Which HBA parameter is a most likely cause?
A. Port Link/Speed is set to Autonegotiate.
B. WWPN reset timeout is set too low.
C. R_A_TOV does not match.
D. HBA Port Type is set to "E-Port"
Answer: A

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NO.19 A storage configuration was created which stores large amounts of infrequently used documents. The
storage implementation is based on serial attached SCSI (SAS) and an edge expander. Almost all ports
are utilized, and a second edge expander will be installed. What is required to connect SATA devices to
the SAS domain?
A. SAS-SATA adapter
B. SAS-SATA protocol converter
C. cable with two SATA connectors
D. cable with a SAS and a SATA connector
Answer: C

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NO.20 Which set of SCSI components are required to support SCSI command tag queuing?
A. adapter, adapter driver, device, device driver
B. adapter, device, device driver
C. adapter, device driver, controller, controller firmware
D. device, device driver
Answer: A

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