Network 4: Questions

1. Name: ___________________
CCNA 4 Exploration Chapter 3
Accessing the WAN (Frame Relay)
3.1.1.1 What is the benefit to the customer in using
Frame Relay over dedicated Leased Lines?
Describe the key items that makes Frame
Relay and X.25 different:
How does Frame Relay handle “error-
detection” and “error-correction”?
Regardless of the transport method used, what
are the 3 main components of a WAN link?
Frame-Relay defines the movement of data in
what part of the network?
Describe a Frame-Relay WAN network:
If Frame-Relay switches are DCE devices that
would make all Frame-Relay end points?
(As defined by RFC)
What is created between these two end points?
What is a FRAD?
3.1.2.1 What is a Virtual Circuit (VC)?
Describe the two types of VCs associated with
Frame-Relay:
What is a DLCI used to identify?
Some DLCI numbers are reserved, what DLCI
numbers are generally used?
What is used on a device to determine the
DLCI that can be used?
Does the source DLCI change as data
traverses the network?
What DLCI is used by the transmitting device?
3.1.3.1 Describe the 3 bits used to control congestion:
FECN
BECN
DE
What is the purpose of LAPF?
1 ICT 4 2nd semester SY 2011-2012

2. Name: ___________________
CCNA 4 Exploration Chapter 3
Accessing the WAN (Frame Relay)
2 ICT 4 2nd semester SY 2011-2012

3. Name: ___________________
CCNA 4 Exploration Chapter 3
Accessing the WAN (Frame Relay)
3.1.4.1 The service provider’s Frame-Relay network or
network segments can be categorized in what
three ways?
3.1.5.1 What 2 items used to map the end point of a
Frame-Relay link to each other?
Describe “75” & “7D”:
What command is used to display the results of
this dynamics mapping?
What are the two types of Frame-Relay
encapsulations?
What are the commands used to statically map
the ends of a Frame-Relay PVC together?
What is an LMI?
Describe the four LMI Extensions:
What are the three supported LMI types?
What affect do these LMI types have on DLCI
numbers?
REF:
http://www.cisco.com/en/US/tech
/tk713/tk237/technologies_q_and
_a_item09186a008009457a.shtml
3.2.1.1 What are the required tasks for implementing
Frame-Relay on an end point (CPE) router?
What are the optional tasks for implementing
Frame-Relay on an end point (CPE) router?
What are the options for the command
“encapsulation frame-relay”?
What is the command used to change the
Frame-Relay LMI type?
What is NBMA?
What information will be displayed using the
command “sh frame-relay map” on an end
point router?
3 ICT 4 2nd semester SY 2011-2012

4. Name: ___________________
CCNA 4 Exploration Chapter 3
Accessing the WAN (Frame Relay)
3.3.1.1 What Frame-Relay solution will solve the issue
with Split-Horizon across all routed protocols?
How is similar to the solution for trunking
VLANs into a single physical interface?
Describe/Define the following terms:
CIR
BE
Oversubscription
DE
FECN
BECN
Queuing
What information will be displayed using the
command “sh frame-relay pvc” on an end point
router?
3.4.1.1 What are the commands used to program a
Point-to-Point Frame-Relay sub-interface?
What are the commands used to program a
Multi-Point Frame-Relay sub-interface?
What information will be displayed using the
command “sh int s0/0/0” on an end point
router?
What commands are used to allow a Cisco
router to perform and function as a Frame-
Relay switch?
4 ICT 4 2nd semester SY 2011-2012