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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. This point connects the customers to the provider's switching network
Frame Relay
High-Level Data Link Control (HDLC) protocol
Central office (CO) or point of presence (POP)
HDLC - LCP - NCP
2. 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)
Link Control Protocol (LCP)
HDLC
High-Level Data Link Control (HDLC) protocol
3. Protocol stack is specified at the Physical and Data Link layers only
DCE network
PAP and CHAP
Central office (CO) or point of presence (POP)
Point-to-Point Protocol (PPP)
4. Which is true regarding HDLC?
Point-to-Point Protocol (PPP)
It is Cisco proprietary
Encapsulation ppp
Link establishment - Authentication phases (optional) - Network layer protocol phase
5. Write the commands to configure s0 to PPP encapsulation
Config t - interface serial 0 - encapsulation ppp
NCP
serial transmission
Frame Relay
6. HDLC stands for what?
Asynchronous Transfer Mode (ATM)
High-Level Data Link Control
Frame Relay
Point-to-Point Protocol
7. How do you configure a serial interface to use PPP encapsulation?
HDLC
Encapsulation ppp
Point-to-Point Protocol (PPP)
High-Level Data Link Control (HDLC)
8. Which of the following encapsulations was considered an upgrade from x.25?
Frame Relay
Point-to-Point Protocol (PPP)
It is Cisco proprietary
Point-to-Point Protocol (PPP)
9. 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
Point-to-Point Protocol (PPP)
High-Level Data Link Control (HDLC) protocol
Frame Relay
Circuit switching
10. What are common Data Link WAN encapsulations?
HDLC - PPP - and Frame Relay
Integrated Services Digital Network (ISDN)
It is Cisco proprietary
Central office (CO) or point of presence (POP)
11. 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
Username todd password cisco
High-Level Data Link Control (HDLC)
Link establishment - Authentication phases (optional) - Network layer protocol phase
Asynchronous Transfer Mode (ATM)
12. Specifies an encapsulation method for data on synchronous serial data links using frame characters and checksums
LCP
High-Level Data Link Control (HDLC) protocol
Password Authentication Protocol (PAP)
HDLC - Frame Relay - PPP
13. Equipment that's owned by the subscriber and located on the subscriber's premises
Customer premises equipment (CPE)
High-Level Data Link Control (HDLC) protocol
HDLC - PPP - and Frame Relay
High-Level Data Link Control (HDLC)
14. Uses the LCP (Link Control Protocol) to build and maintain data link connections
Config t - interface serial 0 - encapsulation ppp
Asynchronous Transfer Mode (ATM)
Link Access Procedure - Balanced (LAPB)
Point-to-Point Protocol (PPP)
15. Physical layer international standard for serial communication
Circuit switching
EIA/TIA-232-C - V.24 - V.35 - and ISDN
High-Level Data Link Control
Config t - interface serial 0 - encapsulation ppp
16. Bit-oriented Data Link layer protocol
Network layer protocol phase
High-Level Data Link Control (HDLC) protocol
Frame Relay
Leased lines
17. Which of the following protocols are used with ISDN as an out-of-band protocol?
LAPD
Frame Relay
Link establishment phase
HDLC
18. A trunk line inside a WAN provider's network; a collection of switches and facilities owned by the ISP
Toll network
HDLC
PAP and CHAP
Circuit switching
19. Method of establishing - configuring - maintaining - and terminating the point-to-point connection
Link Control Protocol (LCP)
Point-to-Point Protocol (PPP)
data terminal equipment (DTE)
Point-to-Point Protocol (PPP)
20. A point-to-point protocol used on leased lines
Integrated Services Digital Network (ISDN)
Authentication phase
High-Level Data Link Control (HDLC) protocol
Link establishment phase
21. 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
Frame Relay
HDLC - Frame Relay - PPP
Point-to-Point Protocol (PPP)
22. Which are considered WAN connection types? (Choose three.)
Point-to-Point Protocol (PPP)
NCP
DCE network
Packet Switching - Circuit Switching - Leased Lines
23. Write the commands to configure a username of todd and password of cisco that is used on a Cisco router
HDLC - LCP - NCP
Username todd password cisco
Show interface
Integrated Services Digital Network (ISDN)
24. LCP packets are sent by each PPP device to configure and test the link
Demarcation point
Link establishment phase
Link Access Procedure - D-Channel (LAPD)
Serial
25. Write the command to see the encapsulation method on serial 0 of a Cisco router
Show interface serial 0
Toll network
Frame Relay
Integrated Services Digital Network (ISDN)
26. 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
Leased lines
Authentication phase
Config t - interface serial 0 - encapsulation ppp
Wide Area Network (WAN)
27. Which Data Link encapsulation can be used if you have one free serial interface and many remote offices to connect?
PAP and CHAP
Local loop
High-Level Data Link Control (HDLC)
Frame Relay
28. What does PPP mean?
It is Cisco proprietary
Config t - interface serial 0 - encapsulation ppp
Point-to-Point Protocol (PPP)
Point-to-Point Protocol
29. The default encapsulation used by Cisco routers over synchronous serial links
PAP and CHAP
High-Level Data Link Control (HDLC) protocol
Point-to-Point Protocol (PPP)
data terminal equipment (DTE)
30. The spot where the service provider's responsibility ends and the CPE begins
Integrated Services Digital Network (ISDN)
serial transmission
Encapsulation ppp
Demarcation point
31. Which of the following are considered common Data Link WAN encapsulation types? (Choose three.)
High-Level Data Link Control (HDLC) protocol
Point-to-Point Protocol
PPP - HDLC - Frame Relay
Link Access Procedure - D-Channel (LAPD)
32. What are the two PPP authentication methods?
PAP and CHAP
Point-to-Point Protocol
CSU/DSU
PPP - HDLC - Frame Relay
33. 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
High-Level Data Link Control (HDLC)
PPP
High-Level Data Link Control (HDLC)
Supplied by the CSU/DSU
34. 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
HDLC - PPP - and Frame Relay
Point-to-Point Protocol (PPP)
Show interface serial 0
35. Which type of port on a router is used for a T1?
LCP
HDLC
Serial
High-Level Data Link Control (HDLC) protocol
36. 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)
High-Level Data Link Control (HDLC) protocol
Central office (CO) or point of presence (POP)
Integrated Services Digital Network (ISDN)
37. Method for encapsulating datagrams over serial links
Point-to-Point Protocol (PPP)
Customer premises equipment (CPE)
Network layer protocol phase
High-Level Data Link Control (HDLC)
38. Uses MD5 challange/response
HDLC - LCP - NCP
Challenge Handshake Authentication Protocol (CHAP)
Frame Relay
Point-to-Point Protocol
39. Uses the Network Control Protocol (NCP) to allow multiple Network layer protocols to be encapsulated and sent over a PPP data link
Encapsulation ppp
Link establishment phase
Network layer protocol phase
Frame Relay
40. Designed to allow the simultaneous use of multiple Network layer protocols
Network control Protocol (NCP)
Point-to-Point Protocol (PPP)
Challenge Handshake Authentication Protocol (CHAP)
Frame Relay
41. WAN stands for?
Username todd password cisco
Wide Area Network
Toll network
EIA/TIA-232-C - V.24 - V.35 - and ISDN
42. 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
data terminal equipment (DTE)
Leased lines
Packet switching
Point-to-Point Protocol (PPP)
43. Which encapsulations can be configured on a serial interface? (Choose three.)
Integrated Services Digital Network (ISDN)
HDLC - Frame Relay - PPP
Wide Area Network (WAN)
Local loop
44. Serial interfaces by default; connect into data communication equipment (DCE)
data terminal equipment (DTE)
Authentication phase
Asynchronous Transfer Mode (ATM)
HDLC - LCP - NCP
45. 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)
HDLC - LCP - NCP
Show interface serial 0
DCE network
Show interface
46. What are the PPP Data Link protocols?
Local loop
Supplied by the CSU/DSU
HDLC - LCP - NCP
PPP
47. Method of establishing and configuring different Network layer protocols
Frame Relay
Show interface serial 0
Network control Protocol (NCP)
High-Level Data Link Control (HDLC) protocol
48. Nonproprietary
Point-to-Point Protocol (PPP)
HDLC - PPP - and Frame Relay
Password Authentication Protocol (PAP)
High-Level Data Link Control (HDLC) protocol
49. Which protocol in PPP is used to identify the routed protocols?
LAPD
NCP
Frame Relay
HDLC
50. What is a good command to verify your serial interface on a router?
Show interface
Link establishment - Authentication phases (optional) - Network layer protocol phase
data terminal equipment (DTE)
Password Authentication Protocol (PAP)