The following are chapter 2 test questions on TCP/IP and OSI networking models. If you can answer 10 out of 10 or 9 out of 10 , you may want to just skim this chapter and jump to chapter 3. However, if my N+ network exam is anything like the CCENT exam, you’ll want to have this down cold. I had over 10 question on this topic alone.

1. Which of the following protocols are examples of TCP/IP transport layer protocols?
a. Ethernet
b. HTTP
c. IP
d. UDP
e. SMTP
f. TCP

2. Which of the following protocols are examples of TCP/IP network access layer protocols?
a. Ethernet
b. HTTP
c. IP
d. UDP
e. SMTP
f. TCP
g. PPP

3. The process of HTTP asking TCP to send some data and make sure that it is received correctly is an example of what?
a. Same-layer interaction
b. Adjacent-layer interaction
c. The OSI model
d. All the other answers are correct.

4. The process of TCP on one computer marking a segment as segment 1, and the receiving computer then acknowledging the receipt of segment 1, is an example of what?
a. Data encapsulation
b. Same-layer interaction
c. Adjacent-layer interaction
d. The OSI model
e. None of these answers are correct.

5. The process of a web server adding a TCP header to a web page, followed by adding an IP header, and then a data link header and trailer is an example of what?
a. Data encapsulation
b. Same-layer interaction
c. The OSI model
d. All of these answers are correct.

6. Which of the following terms is used specifically to identify the entity that is created when encapsulating data inside data link layer headers and trailers?
a. Data
b. Chunk
c. Segment
d. Frame
e. Packet
f. None of these—there is no encapsulation by the data link layer.

7. Which OSI layer defines the functions of logical network-wide addressing and routing?
a. Layer 1
b. Layer 2
c. Layer 3
d. Layer 4
e. Layer 5
f. Layer 6
g. Layer 7

8. Which OSI layer defines the standards for cabling and connectors?
a. Layer 1
b. Layer 2
c. Layer 3
d. Layer 4
e. Layer 5
f. Layer 6
g. Layer 7

9. Which OSI layer defines the standards for data formats and encryption?
a. Layer 1
b. Layer 2
c. Layer 3
d. Layer 4
e. Layer 5
f. Layer 6
g. Layer 7

10. Which of the following terms are not valid terms for the names of the seven OSI layers?
a. Application
b. Data link
c. Transmission
d. Presentation
e. Internet
f. Session

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Introduction to Computer Networking Concepts

This is a very light hearted, 9 page chapter on the need for networking and the thought process that might have gone into the creation of networking.

The company, FredsCo, owned by Fred Flintstone (I told you it was light-hearted) and Wilma, Barney and Betty work there as well, is in need of a network. You see, they got tired of sharing floppy disks, running up and down five flights of boulders, to say nothing of being non productive.

Anyway, Pebbles just graduated from Rockville University ( and yes, Pebbles is still hanging out with Bamm-Bamm) and Fred hires Pebbles as the first ever Network Engineer.

As Pebbles solves one problem after another you get a very broad idea of how networking began. If you’re new to networking, this broad understanding of networks will help you understand the chapters to come. If you’re an old timer in networking, you’ll want to read it too because it just a great, funny read.

Note: Nothing in chapter 1 will be on the exam. So if you want to be a stick in the mud you can just jump to chapter 2.

Note: ICND1 exam focuses on the two major branches of networking concepts, Enterprise Networking and SOHO

TERMS:
SOHO – small office/home office
ISP – Internet Service Provider
DSL – digital subscriber line
WAN – wide area network

Chapter 2 – TCP/IP and OSI Networking Models – coming soon…

You can order this set of books right here online if you don’t already have it, just click on the link below.

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I’ve decided to add a CCNA (Cisco Networking) certification to my list of certs and I’m bringing you all along for the ride.

CCNA is broken down into 2 exams, ICND1, which earns you the CCENT cert and upon passing this you then take ICND2, which earns you the CCNA cert.

How’s this going to work? Great question! What I’m planning on doing is reading a chapter and then posting what I thought were the salient points in that chapter. I’ll also be posting a set of questions (word for word from the book) that you would expect to be able to answer if you understood the chapter. (If you’re a subscriber to my news letter, you’ll also get the answers to the questions ask)

CCENT – ICND1

• Part 1 – Networking Fundamentals
• Part 2 – LAN Switching
• Part 3 – IP Routing
• Part 4 – Wide Area Networks (WAN)
• Part 5 – Final Preparation

CCNA – ICND2

• Part 1 – LAN Switching
• Part 2 – IP Routing
• Part 3 – Routing Protocols Configuration and Troubleshooting
• Part 4 – Wide-Area Networks
• Part 5 – Scaling the IP Address Space
• Part 6 – Final Preparation

Although some of the parts are revisited, the chapters in each part are different.

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