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CertTree CCNA Cyber Ops 210-250 practice exam

2017-11-14 15:46:45 | 日記
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Share some CCNA Cyber Ops 210-250 exam questions and answers below.
Which definition of permissions in Linux is true?
A. rules that allow network traffic to go in and out
B. table maintenance program
C. written affidavit that you have to sign before using the system
D. attributes of ownership and control of an object
Answer: A

Which definition describes the main purpose of a Security Information and Event Management solution ?
A. a database that collects and categorizes indicators of compromise to evaluate and search for potential security threats
B. a monitoring interface that manages firewall access control lists for duplicate firewall filtering
C. a relay server or device that collects then forwards event logs to another log collection device
D. a security product that collects, normalizes, and correlates event log data to provide holistic views of the security posture
Answer: D

Which identifier is used to describe the application or process that submitted a log message?
A. action
B. selector
C. priority
D. facility
Answer: D

Which definition of a fork in Linux is true?
A. daemon to execute scheduled commands
B. parent directory name of a file pathname
C. macros for manipulating CPU sets
D. new process created by a parent process
Answer: D

Which type of attack occurs when an attacker is successful in eavesdropping on a conversation between two IPS phones?
A. replay
B. man-in-the-middle
C. dictionary
D. known-plaintext
Answer: B

Which protocol is expected to have NTP a user agent, host, and referrer headers in a packet capture?
A. NTP
B. HTTP
C. DNS
D. SSH
Answer: B

Which two terms are types of cross site scripting attacks? (Choose two )
A. directed
B. encoded
C. stored
D. reflected
E. cascaded
Answer: CD

Which evasion method involves performing actions slower than normal to prevent detection?
A. traffic fragmentation
B. tunneling
C. timing attack
D. resource exhaustion
Answer: C

Which definition of a fork in Linux is true?
A. daemon to execute scheduled commands
B. parent directory name of a file pathname
C. macros for manipulating CPU sets
D. new process created by a parent process
Answer: C

Which two terms are types of cross site scripting attacks? (Choose two)
A. directed
B. encoded
C. stored
D. reflected
E. cascaded
Answer: CD

Which protocol is expected to have NTP a user agent, host, and referrer headers in a packet capture?
A. NTP
B. HTIP
C. DNS
D. SSH
Answer: C

Which security monitoring data type is associated with application server logs?
A. alert data
B. statistical data
C. session data
D. transaction data
Answer: D

If a web server accepts input from the user and passes it to a bash shell, to which attack method is it vulnerable?
A. input validation
B. hash collision
C. command injection
D. integer overflow
Answer: B

Which evasion method involves performing actions slower than normal to prevent detection?
A. traffic fragmentation
B. tunneling
C. timing attack
D. resource exhaustion
Answer: A

Which definition of a process in Windows is true?
A. running program
B. unit of execution that must be manually scheduled by the application
C. database that stores low-level settings for the OS and for certain applications
D. basic unit to which the operating system allocates processor time
Answer: A

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CertTree CCNA Cloud 210-451 CLDFND study guide

2017-11-14 15:27:53 | 日記
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Share some CCNA Cloud 210-451 exam questions and answers below.
Which best describes a SaaS Cloud model?
A. infrastructure that presents the user with an operating system allowing programming language execution environment for testing database and web servers
B. infrastructure that virtualizes server functions on a hypervisor
C. infrastructure that provides elastic storage and computing resources
D. a platform that provides access to application software or database resources
Answer: D

Which description of the elasticity of a Cloud-based infrastructure is true?
A. provides dynamic on-demand provisioning of services in near real time
B. enables sharing of resources and costs across a large pool of users
C. multisite architecture to reduce impact from outages in any one site
D. provides a security posture that is manageable from a single point of control
Answer: A

Which three options are considered Cloud deployment models? (Choose three.)
A. Public Cloud
B. Hybrid Cloud
C. Open Cloud
D. Private Cloud
E. Stack Cloud
F. Distributed Cloud
Answer: A,B,D

Which option is one essential characteristic of Cloud computing?
A. It must use virtualization.
B. It must provide load balancing services.
C. It must provide on-demand self service.
D. It must run on open source software.
Answer: C

Which characteristic is an inoperative attribute of a private Cloud deployment?
A. self service and on demand
B. shared by many companies
C. highly scalable
D. metered for reporting or billing purposes
Answer: B

IaaS is an acronym for what type of Cloud?
A. Instances as a Service
B. Infrastructure as a Service
C. Internet as a Service
D. Images as a Service
Answer: B

Which best describes a Cloud deployment model that relies on interoperability between Cloud providers?
A. Hybrid Cloud
B. Multi-Cloud
C. InterCloud
D. Community Cloud
Answer: C

Which Cloud service model is appropriate for a physical data center move to the Cloud?
A. Infrastructure as a Service
B. Platform as a Service
C. Compute as a Service
D. Software as a Service
Answer: A

Which statement defines Cloud Service Models?
A. infrastructure as a service, software as a service, platform as a service
B. internet as a service, software as a service, platform as a service
C. infrastructure as a service, big data as a service, platform as a service
D. infrastructure as a service, software as a service, grid as a service
Answer: A

What are the five specific characteristics common to the Cloud environments?
A. on-demand usage, ubiquitous access, multi-tenancy, measured usage, resiliency
B. on-demand usage, ubiquitous access, tiered-tenancy, measured usage, resiliency
C. on-demand usage, autonomous access, multi-tenancy, measured usage, resiliency
D. dynamic usage, ubiquitous access, multi-tenancy, measured usage, resiliency
Answer: A


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