Chapter Questions
Discuss the differences between LANs and WANs with respect to their geographical area of coverage, data transmission and error rates, ownership, government regulation and data routing.
Describe and discuss five possible LAN applications.
Describe the advantages and disadvantages associated with five LAN topologies.
What is the difference between broadband and baseband signaling?
Discuss the rationale for using Manchester or Differential Manchester coding for LAN signaling.
Compare and contrast CSMA/CD and token passing access methods.
How can a collision occur on a CSMA/CD network?
What are the two types of coaxial cable used to construct Ethernet networks? What are the advantages and disadvantages associated with the use of each type of cable?
What is the purpose of a jam signal?
What is a 10BASE-5 network?
What is a 10BASE-2 network?
What is the purpose of a headend in a broadband network?
Discuss the three key components required to construct the physical infrastructure for a 10BASE-T network.
Describe the functions performed by a IOBASE-T hub.
Describe Ethernet signal limitations associated with the so-called '5-4-3' rule.
What is the difference between 100BASE-T4 and 100BASE-TX with respect to cable use and signaling method employed?
Why is NWay important?
Why are there dual connectors labeled $T x$ and $R x$ on optical ports built into adapter cards and other devices that support transmission over optical fiber?
Describe two 100BASE-T applications.
What type of media does Gigabit Ethernet operate over?
What is a buffered distributor?
What is the difference between universally administered addressing and locally administered addressing?
Why must an Ethernet frame have a minimum length of 64 bytes in an adapter and 72 bytes when flowing on a LAN?
What is the purpose of an Ethernet-SNAP frame?
What is meant by the term connectionless transmission?
How can software determine a particular type of Ethernet frame as the frame flows on a network?
Why are carrier extensions required on certain types of Gigabit Ethernet frames when half-duplex shared media transmission is supported?
What is the purpose of a Jumbo frame?
Draw a two MAU Token-Ring network illustrating ring-in and ring-out connections.
How does a Token-Ring MAU provide a redundant ring path?
Why is the use of $\mathrm{RJJ}-45$ connectors more popular than the use of IBM cabling system data connectors for cabling Token-Ring network components?
What type of application is 100 Mbps Token-Ring designed to be used for?
What is the purpose of an abort token?
What are $J$ and $K$ symbols?
What is the purpose of the monitor bit? Who is responsible for monitoring the monitor bit?
How is a MAC frame distinguished from an LLC frame on a Token-Ring network?
What is the purpose of the $E$ bit in a Token-Ring frame?
What is the purpose of a beacon frame?
What is a failure domain?
What is the purpose of a duplicate address test frame?