Cisco WAN Quick Start
CCNA Self-Study: Introduction to Cisco Networking Technologies (INTRO)
ISBN: 1-58705-161-3
Cisco Press
Errata
Page 23 – The very last sentence, the book refers to a 16-bit binary number “00100000100000010” (2 zeros, 1 one, 5 zeros, 1 one, 6 zeros, 1 one, 1 zero) but it should be replaced with “0010000100000010” (2 zeros, 1 one, 4 zeros, 1 one, 6 zeros, 1 one, 1 zero).
Page 28 – The first sentence for the bullet ‘Cisco IOS Software’ should read, “The Cisco Internetwork
Operating System (IOS) Software runs on Cisco devices and is one of the most widely deployed
network systems software suites.”
Page 40 – Regarding Figure 1-17, the second row of the column should read: ‘Transport’
Page 436 – The answers to Chapter 1’s ‘Internetworking Fundamentals Section Quiz’ are missing. Please
add the following Q&A before Chapter 1 Review Questions.
1. Match each of the following definitions with the appropriate word. (Choose the best answer.)
G__ A set of rules by which computers communicate
E__ A high-speed network confined to a limited geographic region
B__ Devices used to connect cable segments, or subnets, into a larger internetwork
_I__ The layout or physical shape of a network
A. NOS
B. Connectivity devices
C. MAN
D. WAN
E. LAN
F. Logical topology
G. Protocol
H. NIC
I. Physical topology
J. NIC
2. Which of the following are network app lications?
A. Spreadsheet
B. E-mail
C. FTP
D. Word processor
E. Calculator
F. Web browser
G. PowerPoint
3. All corporate internetworks use the same components regardless of their business structure.
A. True
B. False
The answers to Chapter 1’s ‘Principles of Data Communication Section Quiz’ are missing. Please
add the following Q&A before Chapter 1 Review Questions.
1. Match the layer of the OSI model with the appropriate function.
_E__ Synchronizes dialogue between the presentation layers of the two hosts and manages their
data exchange.
A__ Defines the maximum transmission distance and data rates for a network.
_C__ Provides connectivity and path selection between two hosts systems.
_D__ Establishes, maintains, and terminates connectivity between devices.
A. Layer 1
B. Layer 2
C. Layer 3
D. Layer 4
E. Layer 5
F. Layer 6
G. Layer 7
2. For peer-to-peer communications, which of the following statements are true?
A. Between systems, the headers at each layer communicate information from peer-to-peer.
B. Communications are verified at every layer using a FCS.
C. The name of the encapsulated information at a particular layer of the OSI model is called a PDU.
D. Network devices operate at the upper three layers of the OSI model.
E. The physical address of a device is located in the Layer 2 PDU.