WAN (Serial , Isdn, Fr, Ppp) - Practice Test
A WAN – or wide area network – is a telecommunications or computer network that can extend over a large geographical distance, as opposed to a local area network which doesn’t stretch nearly as far. What do you know about them?
- 1.What are three basic types of WAN services that the CISCO router can use?
- A.
Call setup services, TDM, Packet Data services(X.25, FR and ATM)
- B.
Call setup services, TDM, FDM
- C.
SS7, FDM, STDM
- D.
None of above
- 2.TDM WAN services offers and are usually traditional __________ circuits?
- A.
Fixed time slots; lease line circuits point-to-point
- B.
Sets up and clears calls between hosts; SVCs
- C.
Sets up and clears calls between hosts; SVCs
- D.
Sets up and clears calls between hosts; SVCs
- 3.What are the two components on a WAN interface and which component is the router?
- A.
DTE and DCE, router is DTE
- B.
CPE and DTE, router is DTE
- C.
CPE and DCE, router is DCE
- D.
CPE and CO, router is CPE
- 4.What the CISCO default encapsulation type on a serial interface?
- A.
NOVELL_ETHER
- B.
ARPA
- C.
HDLC
- D.
ETHERNET
- E.
PPP
- 5.Is Cisco HDLC protocol interoperable with other vendors HDLC?
- A.
Yes. HDLC is a standard
- B.
No. Cisco HDLC is a proprietary implementation.
- C.
None of the above
- 6.What is a common standard found at the physical level standard for X.25?
- A.
RS-232
- B.
RS-449
- C.
X.21 bis
- D.
X.25
- 7.ISDN stands for _____________?
- A.
I still don’t no and provides an integrated voice and data capability service to the customer
- B.
Integrated Services Digital Network and provides an integrated voice and data capability service to the customer premise.
- C.
Integrated Switched Digital Network and provides voice grade service to the customer.
- 8.The Bearer channel speed is _______ and the D-Channel speed is ___________?
- A.
Bearer channels speed is 128K and D-channel is 64K.
- B.
Bearer channels speed is 64K and D-channel is 16K.
- C.
Bearer channels speed is 64K and D-channel is 64K.
- D.
None of above
- 9.The ISDN standard is organized into three groups. What are the groups and what does each groups specify?
- A.
E, I and Q Series. E-Addressing scheme;I-Concepts and Terminology;Q-Signalling standards.
- B.
S/T, U, and I Series. S/T – Interfaces specification; U-Users interface; I-Concepts and Terminology
- C.
TA, S/T, and U Series. TA – Terminal interface; S/T – Interface specification;U-Users interface.
- 10.What are the two types of access a customer may subscribe?
- A.
BRI, PRI
- B.
BRI, DDR
- C.
DDR, PPP
- D.
BRI, Q.931
- 11.If you are connecting an ISDN circuit to your router into a Series interface, what kind of device must you connect into the serial port?
- A.
TA
- B.
NT1
- C.
S/T
- D.
TE1
- 12.If you are connecting an ISDN circuit into a BRI port, what kind of device must you connect to the BRI port?
- A.
None. You have a native ISDN interface.
- B.
TE1.
- C.
TA
- D.
NT1
- 13.Frame Relay is __________?
- A.
Connection-oriented
- B.
Connectionless
- C.
Connectionless acknowledged
- D.
Connectionless acknowledged
- 14.What are the two FR encapsulation types supported within the CISCO IOS ?
- A.
CISCO, IETF
- B.
CISCO, ANSI
- C.
ANSI, IETF
- D.
None of the above
- 15.What are the three LMI types that are supported within the CISCO IOS?
- A.
CISCO, ANSI, Q931
- B.
CISCO, ANSI, IETF
- C.
CISCO, ANSI, Q921
- D.
CISCO, ANSI, Q933a
- 16.What is the top speed for FR connections is ________?
- A.
45Mbps
- B.
10Mbps
- C.
56Kbps
- D.
64Kbps
- 17.Frame Relay networks are considered to be ____?
- A.
Non-broadcast
- B.
Broadcast
- C.
Multicast
- D.
Point-to-point
- 18.With Frame-relay, the encapsulation type should agree between _____?
- A.
End devices
- B.
The end device and the switch
- C.
Switches
- D.
The end devices and the switches
- 19.With Frame-relay, the LMI type should agree between _____?
- A.
End devices
- B.
The end device and the switch
- C.
Switches
- D.
The end devices and the switches
- 20.A frame relay switch makes decisions based on ______?
- A.
Application Layer addresses
- B.
Network Layer addresses
- C.
Data Link Layer address
- D.
None of the above
- 21.CIR refers to ________?
- A.
The minimum bandwidth available on a frame relay link
- B.
The maximum bandwidth available on a frame relay link
- C.
The average bandwidth available on a frame relay link
- D.
The guaranteed bandwidth available on a frame relay link
- 22.The end node addressing for frame-relay is _____?
- A.
BECN
- B.
FECN
- C.
DLCI
- D.
ESI
- 23.The DLCI for frame relay is guaranteed to be unique _____?
- A.
Across the frame relay cloud
- B.
Across a providers frame relay network
- C.
Across the router’s interface
- D.
Across a frame relay switch’s interfaces
- E.
None of the above
- 24.The Frame relay service address provided by the service provider is called a ______?
- A.
DLCI
- B.
X.121
- C.
SPID
- D.
Telephone number
- 25.When configuring a frame relay static route, you must specify _____?
- A.
The destination layer 3 address and local DLCI
- B.
The destination layer 3 address and destination DLCI
- C.
The local layer 3 address and local DLCI
- D.
Any of the above
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