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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. 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
HDLC - Frame Relay - PPP
Frame Relay
data terminal equipment (DTE)
Leased lines
2. Physical layer international standard for serial communication
Packet Switching - Circuit Switching - Leased Lines
Link establishment phase
Network control Protocol (NCP)
EIA/TIA-232-C - V.24 - V.35 - and ISDN
3. Write the commands to configure a username of todd and password of cisco that is used on a Cisco router
LAPD
Wide Area Network
Point-to-Point Protocol (PPP)
Username todd password cisco
4. Which of the following are considered common Data Link WAN encapsulation types? (Choose three.)
High-Level Data Link Control (HDLC) protocol
PPP - HDLC - Frame Relay
Wide Area Network
DCE network
5. Used with ISDN at the Data Link layer (layer 2) as a protocol for the D (signaling) channel
It is Cisco proprietary
Point-to-Point Protocol
Circuit switching
Link Access Procedure - D-Channel (LAPD)
6. Uses the LCP (Link Control Protocol) to build and maintain data link connections
Point-to-Point Protocol (PPP)
Integrated Services Digital Network (ISDN)
PPP
Local loop
7. How do you configure a serial interface to use PPP encapsulation?
HDLC
Link Access Procedure - Balanced (LAPB)
DCE network
Encapsulation ppp
8. Which is true regarding HDLC?
It is Cisco proprietary
LCP
Link establishment - Authentication phases (optional) - Network layer protocol phase
Point-to-Point Protocol (PPP)
9. Specifies an encapsulation method for data on synchronous serial data links using frame characters and checksums
Authentication phase
High-Level Data Link Control (HDLC) protocol
Frame Relay
Link Access Procedure - D-Channel (LAPD)
10. What are common Data Link WAN encapsulations?
HDLC - PPP - and Frame Relay
Password Authentication Protocol (PAP)
Config t - interface serial 0 - encapsulation ppp
High-Level Data Link Control (HDLC) protocol
11. Uses the Network Control Protocol (NCP) to allow multiple Network layer protocols to be encapsulated and sent over a PPP data link
Config t - interface serial 0 - encapsulation ppp
Leased lines
High-Level Data Link Control (HDLC) protocol
Network layer protocol phase
12. Nonproprietary
Central office (CO) or point of presence (POP)
The layer 2 frame types are not compatible
LAPD
Point-to-Point Protocol (PPP)
13. What are the PPP Data Link protocols?
HDLC - LCP - NCP
HDLC - PPP - and Frame Relay
LAPD
Link Control Protocol (LCP)
14. A point-to-point protocol used on leased lines
High-Level Data Link Control (HDLC) protocol
Frame Relay
Integrated Services Digital Network (ISDN)
Authentication phase
15. Write the commands to configure s0 to PPP encapsulation
It is Cisco proprietary
Link Access Procedure - Balanced (LAPB)
Config t - interface serial 0 - encapsulation ppp
Point-to-Point Protocol (PPP)
16. This point connects the customers to the provider's switching network
Central office (CO) or point of presence (POP)
It is Cisco proprietary
Show interface
Point-to-Point Protocol (PPP)
17. What is a good command to verify your serial interface on a router?
Demarcation point
Challenge Handshake Authentication Protocol (CHAP)
Frame Relay
Show interface
18. 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)
Config t - interface serial 0 - encapsulation ppp
Show interface serial 0
The layer 2 frame types are not compatible
19. 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
Central office (CO) or point of presence (POP)
HDLC - LCP - NCP
LCP
Packet switching
20. Which of the following encapsulations was considered an upgrade from x.25?
NCP
High-Level Data Link Control (HDLC)
Frame Relay
Packet switching
21. When a router is connected to a Frame Relay WAN link using a serial DTE interface - how is the clock rate determined?
Circuit switching
Frame Relay
Supplied by the CSU/DSU
Frame Relay
22. Method of establishing and configuring different Network layer protocols
Network control Protocol (NCP)
LCP
Show interface serial 0
High-Level Data Link Control (HDLC) protocol
23. Write the command to see the encapsulation method on serial 0 of a Cisco router
data terminal equipment (DTE)
Show interface serial 0
Encapsulation ppp
Demarcation point
24. Which of that following is a packet-switching encapsulation?
Point-to-Point Protocol (PPP)
High-Level Data Link Control (HDLC) protocol
Customer premises equipment (CPE)
Frame Relay
25. Which PPP protocol provides link establishment?
DCE network
Point-to-Point Protocol (PPP)
PAP and CHAP
LCP
26. Method of establishing - configuring - maintaining - and terminating the point-to-point connection
Asynchronous Transfer Mode (ATM)
Challenge Handshake Authentication Protocol (CHAP)
Link Control Protocol (LCP)
LAPD
27. Which of the following protocols are used with ISDN as an out-of-band protocol?
Username todd password cisco
LAPD
High-Level Data Link Control (HDLC) protocol
Packet switching
28. Less secure; Passwords are sent in clear text
data terminal equipment (DTE)
Point-to-Point Protocol (PPP)
Config t - interface serial 0 - encapsulation ppp
Password Authentication Protocol (PAP)
29. 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)
DCE network
High-Level Data Link Control (HDLC) protocol
High-Level Data Link Control (HDLC) protocol
30. 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)
Network control Protocol (NCP)
The layer 2 frame types are not compatible
Link establishment - Authentication phases (optional) - Network layer protocol phase
31. If required - either CHAP or PAP can be used to authenticate a link
Authentication phase
Network layer protocol phase
Point-to-Point Protocol (PPP)
LAPD
32. Which protocol in PPP is used to identify the routed protocols?
Packet switching
Point-to-Point Protocol (PPP)
NCP
Link Control Protocol (LCP)
33. Bit-oriented Data Link layer protocol
High-Level Data Link Control
Supplied by the CSU/DSU
Integrated Services Digital Network (ISDN)
High-Level Data Link Control (HDLC) protocol
34. Connects the demarc to the closest switching office - called a central office
Wide Area Network
Packet switching
Local loop
Link establishment - Authentication phases (optional) - Network layer protocol phase
35. Method for encapsulating datagrams over serial links
Packet switching
Demarcation point
High-Level Data Link Control (HDLC)
High-Level Data Link Control (HDLC) protocol
36. The Acme Corporation is implementing dial-up services to enable remote-office employees to connect to the local network. The company uses multiple routed protocols - needs authentication of users connecting to the network - and - since some calls wil
LAPD
PPP
High-Level Data Link Control (HDLC) protocol
Authentication phase
37. Uses MD5 challange/response
HDLC
Challenge Handshake Authentication Protocol (CHAP)
Link establishment phase
High-Level Data Link Control (HDLC) protocol
38. WAN stands for?
HDLC - PPP - and Frame Relay
Wide Area Network
Packet Switching - Circuit Switching - Leased Lines
Username todd password cisco
39. Designed to allow the simultaneous use of multiple Network layer protocols
High-Level Data Link Control (HDLC) protocol
Network control Protocol (NCP)
Link Access Procedure - D-Channel (LAPD)
Challenge Handshake Authentication Protocol (CHAP)
40. Proprietary
Packet switching
High-Level Data Link Control (HDLC) protocol
Toll network
Point-to-Point Protocol
41. HDLC stands for what?
High-Level Data Link Control
Leased lines
Username todd password cisco
Point-to-Point Protocol (PPP)
42. Data Link layer protocol that can be used over either asynchronous serial (dial-up) or synchronous serial (ISDN) media
High-Level Data Link Control (HDLC)
High-Level Data Link Control (HDLC) protocol
Authentication phase
Point-to-Point Protocol (PPP)
43. Which type of port on a router is used for a T1?
Serial
High-Level Data Link Control
LAPD
Point-to-Point Protocol (PPP)
44. Protocol stack is specified at the Physical and Data Link layers only
Link establishment - Authentication phases (optional) - Network layer protocol phase
Point-to-Point Protocol (PPP)
Username todd password cisco
Config t - interface serial 0 - encapsulation ppp
45. No authentication
Point-to-Point Protocol (PPP)
Frame Relay
High-Level Data Link Control (HDLC) protocol
PAP and CHAP
46. What does PPP mean?
Point-to-Point Protocol
Point-to-Point Protocol (PPP)
Packet switching
Frame Relay
47. 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
Frame Relay
CSU/DSU
Link Access Procedure - Balanced (LAPB)
Link Control Protocol (LCP)
48. LCP packets are sent by each PPP device to configure and test the link
Link establishment phase
NCP
Point-to-Point Protocol (PPP)
HDLC
49. Equipment that's owned by the subscriber and located on the subscriber's premises
NCP
Customer premises equipment (CPE)
Show interface
Point-to-Point Protocol
50. The default encapsulation used by Cisco routers over synchronous serial links
Point-to-Point Protocol (PPP)
High-Level Data Link Control (HDLC) protocol
Point-to-Point Protocol (PPP)
Frame Relay