Test Bank for CCNA 200-301 Official Cert Guide, Volume 1 1st Edition (Odom, 2019) , Chapter 1-29 | All Chapters.

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7) Which layer of the OSI model defines functions related to data delivery, error recovery, and
flow control?
A) Application layer
B) Presentation layer
C) Session layer
D) Transport layer
E) Network layer
F) Data link layer
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G) Physical layer
Answer: D
Explanation: D) The transport layer focuses on issues related to data delivery to another
computer (for example, error recovery and flow control).
Remediation Link: Chapter 1, Comparing OSI and TCP/IP Layer Names and Numbers
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8) Which layer of the OSI model provides an interface between the network and the software
running on a host machine?
A) Application layer
B) Presentation layer
C) Session layer
D) Transport layer
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E) Network layer
F) Data link layer
G) Physical layer
Answer: A
Explanation: A) The application layer focuses on issues related to communication between the
software and the network.
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Remediation Link: Chapter 1, TCP/IP Application Layer

9) In IT, what term refers to a small network that is used for business purposes, typically in the
home of a business or employee?
A) Organizational network
B) Enterprise network
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C) IT network
D) SOHO network
E) Cloud network
Answer: D
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Explanation: D) When you start to work in a new industry, it is good to be familiar with some of
the most popularly used terms. When referring to a small network that is used for business
purposes and is typically located in the home of the business (home office) or employee, the term
SOHO (Small Office, Home Office) is typically used.
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Remediation Link: Chapter 1, Perspectives on Networking




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