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Test your basic knowledge |
Wide Area Netwoking Protocols
Start Test
Study First
Subject
:
it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Equipment that's owned by the subscriber and located on the subscriber's premises
Customer premises equipment (CPE)
CSU/DSU
Link Access Procedure - D-Channel (LAPD)
Point-to-Point Protocol (PPP)
2. Write the commands to configure s0 to PPP encapsulation
Config t - interface serial 0 - encapsulation ppp
Authentication phase
PPP
Challenge Handshake Authentication Protocol (CHAP)
3. Method of establishing - configuring - maintaining - and terminating the point-to-point connection
Link Control Protocol (LCP)
Toll network
serial transmission
Config t - interface serial 0 - encapsulation ppp
4. Proprietary
HDLC - PPP - and Frame Relay
Point-to-Point Protocol (PPP)
Leased lines
High-Level Data Link Control (HDLC) protocol
5. One bit at a time over a single channel
Frame Relay
serial transmission
Frame Relay
Integrated Services Digital Network (ISDN)
6. Nonproprietary
High-Level Data Link Control (HDLC)
Network control Protocol (NCP)
Challenge Handshake Authentication Protocol (CHAP)
Point-to-Point Protocol (PPP)
7. Uses MD5 challange/response
Authentication phase
Encapsulation ppp
Challenge Handshake Authentication Protocol (CHAP)
NCP
8. Connects the demarc to the closest switching office - called a central office
Frame Relay
PPP
Local loop
Link Access Procedure - D-Channel (LAPD)
9. Data Link layer protocol that can be used over either asynchronous serial (dial-up) or synchronous serial (ISDN) media
Point-to-Point Protocol (PPP)
EIA/TIA-232-C - V.24 - V.35 - and ISDN
High-Level Data Link Control
Local loop
10. A point-to-point protocol used on leased lines
serial transmission
DCE network
High-Level Data Link Control
High-Level Data Link Control (HDLC) protocol
11. Which of that following is a packet-switching encapsulation?
Frame Relay
DCE network
PPP - HDLC - Frame Relay
LAPD
12. How do you configure a serial interface to use PPP encapsulation?
Packet switching
Encapsulation ppp
Asynchronous Transfer Mode (ATM)
Network layer protocol phase
13. Less secure; Passwords are sent in clear text
Password Authentication Protocol (PAP)
CSU/DSU
Link Control Protocol (LCP)
Local loop
14. When a router is connected to a Frame Relay WAN link using a serial DTE interface - how is the clock rate determined?
Wide Area Network (WAN)
Leased lines
PPP
Supplied by the CSU/DSU
15. What is the reason why the serial link between the Corp router and the Remote router will not come up?
High-Level Data Link Control (HDLC) protocol
High-Level Data Link Control (HDLC) protocol
Link establishment - Authentication phases (optional) - Network layer protocol phase
The layer 2 frame types are not compatible
16. Uses cells instead of packets that are a fixed 53 bytes long; can use isochronous clocking (external clocking) to help the data move faster; provides simultaneous transmission of voice - video - and data
Asynchronous Transfer Mode (ATM)
HDLC - PPP - and Frame Relay
Leased lines
Network control Protocol (NCP)
17. Includes the area from the CSU/DSU - through the provider's wiring and switches - all the way to the CSU/DSU at the other end; provides clocking to the DTE-connected interface (the router's serial interface)
High-Level Data Link Control (HDLC) protocol
Serial
Packet Switching - Circuit Switching - Leased Lines
DCE network
18. Which is true regarding HDLC?
Frame Relay
High-Level Data Link Control (HDLC) protocol
It is Cisco proprietary
Serial
19. The default encapsulation used by Cisco routers over synchronous serial links
EIA/TIA-232-C - V.24 - V.35 - and ISDN
High-Level Data Link Control (HDLC) protocol
Serial
Local loop
20. Which protocol in PPP is used to identify the routed protocols?
NCP
PPP
Serial
Demarcation point
21. A trunk line inside a WAN provider's network; a collection of switches and facilities owned by the ISP
CSU/DSU
The layer 2 frame types are not compatible
data terminal equipment (DTE)
Toll network
22. Allows you to share bandwidth with other companies to save money; a network that's designed to look like a leased line yet charges you (and costs) more like circuit switching; data transfers are bursty in nature; Frame Relay and X.25
Packet switching
Point-to-Point Protocol (PPP)
Link Access Procedure - D-Channel (LAPD)
Toll network
23. Data Link and Physical layer specification that provides high performance; successor to X.25
Link Access Procedure - Balanced (LAPB)
HDLC - LCP - NCP
Frame Relay
Point-to-Point Protocol
24. Serial interfaces by default; connect into data communication equipment (DCE)
EIA/TIA-232-C - V.24 - V.35 - and ISDN
Point-to-Point Protocol (PPP)
The layer 2 frame types are not compatible
data terminal equipment (DTE)
25. What does PPP mean?
The layer 2 frame types are not compatible
Point-to-Point Protocol
Link Access Procedure - D-Channel (LAPD)
HDLC
26. Which are considered WAN connection types? (Choose three.)
PPP - HDLC - Frame Relay
Point-to-Point Protocol
Link establishment phase
Packet Switching - Circuit Switching - Leased Lines
27. Protocol stack is specified at the Physical and Data Link layers only
Point-to-Point Protocol (PPP)
DCE network
High-Level Data Link Control
Link Control Protocol (LCP)
28. Used to create point-to-point links between different vendors' equipment; uses a Network Control Protocol field in the Data Link header to identify the Network layer protocol; allows authentication and multilink connections and can be run over asynch
Asynchronous Transfer Mode (ATM)
Network control Protocol (NCP)
Point-to-Point Protocol (PPP)
Customer premises equipment (CPE)
29. Write the commands to configure a username of todd and password of cisco that is used on a Cisco router
Leased lines
Password Authentication Protocol (PAP)
Username todd password cisco
High-Level Data Link Control (HDLC)
30. Physical layer international standard for serial communication
Link Access Procedure - Balanced (LAPB)
EIA/TIA-232-C - V.24 - V.35 - and ISDN
Link Access Procedure - D-Channel (LAPD)
Integrated Services Digital Network (ISDN)
31. Bit-oriented Data Link layer protocol
Frame Relay
Integrated Services Digital Network (ISDN)
EIA/TIA-232-C - V.24 - V.35 - and ISDN
High-Level Data Link Control (HDLC) protocol
32. What is the default serial encapsulation used on Cisco routers?
Network control Protocol (NCP)
HDLC
High-Level Data Link Control
Config t - interface serial 0 - encapsulation ppp
33. If you had one serial interface on your router and needed to connect many remote locations - which Data Link encapsulation should you use?
HDLC - PPP - and Frame Relay
Point-to-Point Protocol (PPP)
Frame Relay
High-Level Data Link Control (HDLC) protocol
34. No authentication
Packet Switching - Circuit Switching - Leased Lines
Central office (CO) or point of presence (POP)
High-Level Data Link Control (HDLC) protocol
Network control Protocol (NCP)
35. What are common Data Link WAN encapsulations?
HDLC - PPP - and Frame Relay
High-Level Data Link Control (HDLC) protocol
High-Level Data Link Control
PPP
36. A connection-oriented protocol at the Data Link layer for use with X.25; causes a tremendous amount of overhead because of its strict time-out and windowing techniques; can also be used as a simple data link transport
Point-to-Point Protocol (PPP)
LAPD
Link Access Procedure - Balanced (LAPB)
Frame Relay
37. Which of the following encapsulations was considered an upgrade from x.25?
EIA/TIA-232-C - V.24 - V.35 - and ISDN
data terminal equipment (DTE)
Wide Area Network (WAN)
Frame Relay
38. A point-to-point connection or dedicated connection; a pre-established WAN communications path from the CPE through the DCE switch to the CPE of the remote site - allowing DTE networks to communicate at any time with no setup procedures before transm
Point-to-Point Protocol (PPP)
Leased lines
Central office (CO) or point of presence (POP)
Point-to-Point Protocol
39. LCP packets are sent by each PPP device to configure and test the link
Link establishment phase
Point-to-Point Protocol (PPP)
Network layer protocol phase
Password Authentication Protocol (PAP)
40. What are the two PPP authentication methods?
PPP - HDLC - Frame Relay
PAP and CHAP
The layer 2 frame types are not compatible
Customer premises equipment (CPE)
41. Which of the following protocols are used with ISDN as an out-of-band protocol?
Network control Protocol (NCP)
LAPD
Wide Area Network
Packet switching
42. Which of the following are considered common Data Link WAN encapsulation types? (Choose three.)
Packet Switching - Circuit Switching - Leased Lines
PPP - HDLC - Frame Relay
Authentication phase
Link Access Procedure - Balanced (LAPB)
43. The spot where the service provider's responsibility ends and the CPE begins
Demarcation point
HDLC
Frame Relay
Link establishment - Authentication phases (optional) - Network layer protocol phase
44. Which type of port on a router is used for a T1?
PAP and CHAP
Serial
data terminal equipment (DTE)
Demarcation point
45. Uses the Network Control Protocol (NCP) to allow multiple Network layer protocols to be encapsulated and sent over a PPP data link
Frame Relay
CSU/DSU
High-Level Data Link Control (HDLC) protocol
Network layer protocol phase
46. What are the PPP Data Link protocols?
PPP - HDLC - Frame Relay
Link establishment phase
HDLC - LCP - NCP
Central office (CO) or point of presence (POP)
47. To connect two DTE networks together through a DCE network
Toll network
Wide Area Network (WAN)
Serial
Frame Relay
48. Used with ISDN at the Data Link layer (layer 2) as a protocol for the D (signaling) channel
High-Level Data Link Control (HDLC)
Authentication phase
Link Access Procedure - D-Channel (LAPD)
Point-to-Point Protocol (PPP)
49. Uses the LCP (Link Control Protocol) to build and maintain data link connections
Supplied by the CSU/DSU
Network control Protocol (NCP)
Point-to-Point Protocol (PPP)
Serial
50. If required - either CHAP or PAP can be used to authenticate a link
High-Level Data Link Control (HDLC) protocol
Local loop
High-Level Data Link Control (HDLC) protocol
Authentication phase