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