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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. Connects the demarc to the closest switching office - called a central office
Frame Relay
Leased lines
Local loop
High-Level Data Link Control (HDLC) protocol
2. What are the PPP Data Link protocols?
High-Level Data Link Control (HDLC) protocol
Integrated Services Digital Network (ISDN)
High-Level Data Link Control
HDLC - LCP - NCP
3. Which of the following encapsulations was considered an upgrade from x.25?
Integrated Services Digital Network (ISDN)
Link Control Protocol (LCP)
High-Level Data Link Control (HDLC) protocol
Frame Relay
4. WAN stands for?
Network layer protocol phase
The layer 2 frame types are not compatible
Point-to-Point Protocol (PPP)
Wide Area Network
5. 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)
DCE network
LCP
High-Level Data Link Control (HDLC) protocol
High-Level Data Link Control (HDLC)
6. LCP packets are sent by each PPP device to configure and test the link
Link establishment phase
Show interface
High-Level Data Link Control
High-Level Data Link Control (HDLC) protocol
7. 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
High-Level Data Link Control (HDLC) protocol
Integrated Services Digital Network (ISDN)
DCE network
Packet switching
8. Used with ISDN at the Data Link layer (layer 2) as a protocol for the D (signaling) channel
Link Access Procedure - D-Channel (LAPD)
Point-to-Point Protocol (PPP)
Show interface
Point-to-Point Protocol (PPP)
9. What is the default serial encapsulation on a Cisco router?
Serial
HDLC
High-Level Data Link Control
Packet Switching - Circuit Switching - Leased Lines
10. To connect two DTE networks together through a DCE network
Frame Relay
Frame Relay
Wide Area Network (WAN)
High-Level Data Link Control (HDLC) protocol
11. Data Link and Physical layer specification that provides high performance; successor to X.25
HDLC
HDLC
Link Access Procedure - D-Channel (LAPD)
Frame Relay
12. When PPP connections are started - the links go through three phases of session establishment. What are the three phases?
Local loop
HDLC - PPP - and Frame Relay
Link establishment - Authentication phases (optional) - Network layer protocol phase
Challenge Handshake Authentication Protocol (CHAP)
13. Which protocol in PPP is used to identify the routed protocols?
NCP
High-Level Data Link Control
Link establishment phase
Point-to-Point Protocol (PPP)
14. Serial interfaces by default; connect into data communication equipment (DCE)
data terminal equipment (DTE)
Customer premises equipment (CPE)
Link establishment - Authentication phases (optional) - Network layer protocol phase
Show interface
15. To transport layer 3 packets across a Data Link layer point-to-point link
Username todd password cisco
High-Level Data Link Control (HDLC) protocol
Link Control Protocol (LCP)
Point-to-Point Protocol (PPP)
16. This point connects the customers to the provider's switching network
Frame Relay
High-Level Data Link Control (HDLC) protocol
Frame Relay
Central office (CO) or point of presence (POP)
17. How do you configure a serial interface to use PPP encapsulation?
EIA/TIA-232-C - V.24 - V.35 - and ISDN
Frame Relay
Encapsulation ppp
Wide Area Network
18. Data Link layer protocol that can be used over either asynchronous serial (dial-up) or synchronous serial (ISDN) media
Point-to-Point Protocol (PPP)
Challenge Handshake Authentication Protocol (CHAP)
Frame Relay
High-Level Data Link Control (HDLC) protocol
19. Which of that following is a packet-switching encapsulation?
Frame Relay
Point-to-Point Protocol (PPP)
DCE network
Show interface serial 0
20. Can encapsulate several layer 3 routed protocols and provide authentication - dynamic addressing - and callback
Central office (CO) or point of presence (POP)
Point-to-Point Protocol (PPP)
Circuit switching
Username todd password cisco
21. What are common Data Link WAN encapsulations?
serial transmission
Toll network
HDLC - PPP - and Frame Relay
High-Level Data Link Control (HDLC)
22. Physical layer international standard for serial communication
High-Level Data Link Control (HDLC) protocol
Wide Area Network (WAN)
Challenge Handshake Authentication Protocol (CHAP)
EIA/TIA-232-C - V.24 - V.35 - and ISDN
23. 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
Point-to-Point Protocol (PPP)
HDLC - LCP - NCP
Demarcation point
Customer premises equipment (CPE)
24. A set of digital services that transmit voice and data over existing phone lines
Point-to-Point Protocol (PPP)
The layer 2 frame types are not compatible
High-Level Data Link Control (HDLC) protocol
Integrated Services Digital Network (ISDN)
25. What does PPP mean?
Point-to-Point Protocol
EIA/TIA-232-C - V.24 - V.35 - and ISDN
Point-to-Point Protocol (PPP)
High-Level Data Link Control (HDLC) protocol
26. Which type of port on a router is used for a T1?
Serial
Link establishment - Authentication phases (optional) - Network layer protocol phase
Asynchronous Transfer Mode (ATM)
Point-to-Point Protocol (PPP)
27. What are the two PPP authentication methods?
PAP and CHAP
Username todd password cisco
Point-to-Point Protocol
High-Level Data Link Control (HDLC) protocol
28. What is the default serial encapsulation used on Cisco routers?
Frame Relay
HDLC
It is Cisco proprietary
Frame Relay
29. If you have a T1 - what must you connect from your router to a demarc?
Network layer protocol phase
serial transmission
CSU/DSU
High-Level Data Link Control (HDLC)
30. Write the command to see the encapsulation method on serial 0 of a Cisco router
The layer 2 frame types are not compatible
Integrated Services Digital Network (ISDN)
Show interface serial 0
Wide Area Network (WAN)
31. 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
Integrated Services Digital Network (ISDN)
Supplied by the CSU/DSU
Authentication phase
Leased lines
32. Method of establishing and configuring different Network layer protocols
Point-to-Point Protocol (PPP)
Config t - interface serial 0 - encapsulation ppp
It is Cisco proprietary
Network control Protocol (NCP)
33. Which encapsulations can be configured on a serial interface? (Choose three.)
Frame Relay
Point-to-Point Protocol (PPP)
HDLC - Frame Relay - PPP
HDLC
34. Equipment that's owned by the subscriber and located on the subscriber's premises
Link establishment - Authentication phases (optional) - Network layer protocol phase
High-Level Data Link Control (HDLC) protocol
PPP
Customer premises equipment (CPE)
35. Write the commands to configure a username of todd and password of cisco that is used on a Cisco router
Password Authentication Protocol (PAP)
HDLC
Username todd password cisco
Wide Area Network (WAN)
36. Which of the following are considered common Data Link WAN encapsulation types? (Choose three.)
PPP - HDLC - Frame Relay
Point-to-Point Protocol (PPP)
Frame Relay
Link establishment - Authentication phases (optional) - Network layer protocol phase
37. Uses dial-up modems or ISDN and is used for low-bandwidth data transfers; No data can transfer before an end-to-end connection is established
Integrated Services Digital Network (ISDN)
HDLC - Frame Relay - PPP
Circuit switching
High-Level Data Link Control (HDLC) protocol
38. Proprietary
HDLC - PPP - and Frame Relay
Encapsulation ppp
High-Level Data Link Control (HDLC) protocol
Network layer protocol phase
39. Which are considered WAN connection types? (Choose three.)
Circuit switching
Username todd password cisco
Packet Switching - Circuit Switching - Leased Lines
Customer premises equipment (CPE)
40. Uses the LCP (Link Control Protocol) to build and maintain data link connections
EIA/TIA-232-C - V.24 - V.35 - and ISDN
Point-to-Point Protocol
Point-to-Point Protocol (PPP)
Link Access Procedure - D-Channel (LAPD)
41. When a router is connected to a Frame Relay WAN link using a serial DTE interface - how is the clock rate determined?
Supplied by the CSU/DSU
Local loop
Link Control Protocol (LCP)
Leased lines
42. Derived from Synchronous Data Link Control (SDLC); created by IBM as a Data Link connection protocol; very little overhead compared to LAPB; The HDLC header carries no identification of the type of protocol being carried inside the HDLC encapsulation
High-Level Data Link Control (HDLC)
Link Access Procedure - D-Channel (LAPD)
Local loop
Central office (CO) or point of presence (POP)
43. Which is true regarding HDLC?
HDLC
It is Cisco proprietary
PAP and CHAP
Customer premises equipment (CPE)
44. HDLC stands for what?
High-Level Data Link Control (HDLC) protocol
EIA/TIA-232-C - V.24 - V.35 - and ISDN
High-Level Data Link Control
Asynchronous Transfer Mode (ATM)
45. Which PPP protocol provides link establishment?
LCP
Customer premises equipment (CPE)
HDLC
High-Level Data Link Control (HDLC) protocol
46. Method for encapsulating datagrams over serial links
Config t - interface serial 0 - encapsulation ppp
High-Level Data Link Control (HDLC)
Point-to-Point Protocol
Packet Switching - Circuit Switching - Leased Lines
47. A point-to-point protocol used on leased lines
Point-to-Point Protocol (PPP)
Point-to-Point Protocol (PPP)
Point-to-Point Protocol (PPP)
High-Level Data Link Control (HDLC) protocol
48. Uses MD5 challange/response
HDLC
High-Level Data Link Control (HDLC)
Point-to-Point Protocol (PPP)
Challenge Handshake Authentication Protocol (CHAP)
49. If required - either CHAP or PAP can be used to authenticate a link
Packet switching
Authentication phase
PPP
CSU/DSU
50. The spot where the service provider's responsibility ends and the CPE begins
Point-to-Point Protocol (PPP)
Link Access Procedure - D-Channel (LAPD)
Demarcation point
Frame Relay