Tag: osi

Network+ Pop Quiz:  Now with extra frosting and fiber interfaces

Network+ Pop Quiz: Now with extra frosting and fiber interfaces

| September 10, 2019

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I can’t get these bricks unstuck

I can’t get these bricks unstuck

| February 12, 2013 | 0 Comments

Which of these devices are most commonly associated with OSI layer 3?

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Professor Messer’s CompTIA Network+ Study Group – March 2012

Professor Messer’s CompTIA Network+ Study Group – March 2012

| March 24, 2012 | 0 Comments

In this Study Group; multimode vs. singlemode, OSI layers, Class D and E addresses, firewalls and DMZs, NAT, and exam structure.

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CompTIA Network+ N10-005: 1.2 – The OSI Model in the Real World

CompTIA Network+ N10-005: 1.2 – The OSI Model in the Real World

| January 11, 2012 | 1 Comment

The OSI model is a useful reference, but how does it really work in the real world? In this video, we’ll investigate how the OSI model maps into an encrypted email conversation with Google Mail.

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CompTIA Network+ N10-005: 1.1 – The OSI Model

CompTIA Network+ N10-005: 1.1 – The OSI Model

| January 11, 2012 | 4 Comments

Through the years, the OSI model has been the fundamental model for networking. In this video, you’ll get an overview of the OSI model and a detailed breakdown of each of each OSI layer.

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Layer 2 by Layer 2

Layer 2 by Layer 2

| October 4, 2011

Which of these network technologies operate at OSI Layer 2 and forward traffic based on the MAC address of the destination station?

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CompTIA Network+ N10-004: 4.1 – The OSI Model

CompTIA Network+ N10-004: 4.1 – The OSI Model

| March 23, 2009 | 4 Comments

The OSI seven layer model is an important concept for any networking professional. In this video, we’ll break down every layer of the OSI model and discuss the integration of the OSI model into real-world networking examples.

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