Deck 11: Ppp and Frame Relay

Question 1

The Frame Relay map can be built automatically or statically depending on the Frame Relay topology.

Answer 1

True

Question 2

The Frame Relay ____ topology is like the bus LAN topology; nodes are simply strung along in a daisychained fashion.

A) full mesh
B) star
C) partial mesh
D) peer

Answer 2

D

Question 3

Once you have completed configuring your PPP interface, you can verify the changes using the ____ command.

A) show ppp
B) show link
C) show connection
D) show interface

Answer 3

D

Question 4

The benefit of multilink is that you can combine the bandwidth of two separate devices over one logical connection.

Question 5

The Frame Relay switch is also called the ____.

A) FRAP
B) PDN
C) FRND
D) FRAD

Question 6

A(n) ____ implementation prevents routing update information received on one physical interface from being rebroadcast to other devices through that same physical interface.

A) PVC
B) keepalive
C) SDLC
D) split horizon

Question 7

____ is a communications technique for sending data over high-speed digital connections operating at anywhere from 56 Kbps to 44.736 Mbps or higher.

A) Frame Relay
B) PPP
C) Slip
D) DLCI

Question 8

PPP is an Internet standard protocol defined in RFCs 2153 and ____.

A) 1551
B) 1661
C) 2234
D) 2532

Question 9

The basic LMI type has three information elements: report type, keepalive, and ____.

A) id frame
B) PAP status
C) PVC status
D) authentication type

Question 10

____ checks the reliability of the link by monitoring the number of errors, latency between requests, connection retries, and connection failures on the PPP link.

A) LQM
B) PAP
C) CHAP
D) LCDI

Question 11

In a production environment, you can use the ____ command from interface configuration mode, which will automatically shut down that interface when looping is detected.

A) off-looped-interface
B) looped off
C) down-when-looped
D) off-when-lopped

Question 12

The ____ is the most popular Frame Relay topology.

A) full mesh
B) peer
C) star
D) partial mesh

Question 13

In multipoint configurations, routers use the protocol ____ to send a query using the DLCI number to find a remote IP address.

A) Inverse DNS
B) Inverse ARP
C) Inverse PPP
D) PAP

Question 14

Asynchronous serial connections are typically used with analog modems.

Question 15

The ____ is used at the Data Link layer to establish, configure, and test the connection.

A) NCP
B) ATCP
C) IPCP
D) LCP

Question 16

Frame Relay separates each data stream into logical (software-maintained) connections called ____.

A) logical circuits
B) virtual circuits
C) physical circuits
D) connection circuits

Question 17

Using authentication with PPP connections is mandatory.

Question 18

LMI uses ____ packets (sent every 10 seconds by default) to verify the Frame Relay link and to ensure the flow of data.

A) keepalive
B) discover
C) hello
D) beam

Question 19

Compared with PAP, CHAP provides a much more simple authentication process.

Question 20

When the sum of the data arriving over all virtual circuits exceeds the access rate, the situation is called ____.

A) undersubscription
B) oversubscription
C) overrate
D) underrate

Question 21

What are the types of encapsulation supported by LMI in Cisco routers?

Question 22

Frame Relay connections identify virtual circuits by ___________________________________ numbers.

Question 23

What are the actions involved in the LCP link configuration process?

Question 24

The ITU-T was formerly known as the ____________________________________________________________, which is the primary international organization for fostering cooperative standards for telecommunications equipment and systems.

Question 25

You can check your Frame Relay configuration by using ____ commands.

A) status
B) show
C) check
D) dlci-interface

Question 26

PPP, like many WAN technologies, is based on the ___________________________________ protocol.

Question 27

The ____ is the most expensive Frame Relay topology to implement because each router has a direct connection to every other router.

A) full mesh
B) star
C) partial mesh
D) peer

Question 28

The ______________________________ process modifies and enhances the default characteristics of a PPP connection.

Question 29

What are the components of the Cisco Frame Relay frame?

Question 30

The ____ command associates the DLCI numbers with a specific subinterface.

A) frame-relay interface-number
B) frame-relay dlci number
C) frame-relay interface-dlci
D) interface-dlci number

Question 31

The Frame Relay ____ topology allows redundancy for critical connections.

A) star
B) full mesh
C) peer
D) partial mesh

Question 32

What are the performance parameters for a Frame Relay connection?

Question 33

How is congestion handled in Frame Relay?

Question 34

The most common show commands for monitoring Frame Relay operation are show interface , ____, show frame-relay map , and show frame-relay lmi .

A) show frame-relay pvc
B) show frame-relay status
C) show frame
D) show interface lmi

Question 35

In Frame Relay, to configure a multipoint subinterface, you map it to multiple remote routers using the same subnet mask, but different ____ numbers.

A) DLCI
B) PPP
C) CHAP
D) LCI

Question 36

In Frame Relay connections, the network device that connects to the Frame Relay switch is known as a(n) ___________________________________.

Question 37

Compare PPP with SLIP.

Question 38

Explain the use of DLCI numbers in Frame Relay.

Question 39

What are the elements of the PPP frame?

Question 40

Briefly describe Local Management Interface (LMI).

Question 42

Briefly describe the various Frame Relay topologies.