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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. What are the PPP Data Link protocols?
Network control Protocol (NCP)
Config t - interface serial 0 - encapsulation ppp
Link establishment phase
HDLC - LCP - NCP
2. LCP packets are sent by each PPP device to configure and test the link
High-Level Data Link Control (HDLC) protocol
PPP - HDLC - Frame Relay
Link establishment phase
The layer 2 frame types are not compatible
3. Used with ISDN at the Data Link layer (layer 2) as a protocol for the D (signaling) channel
The layer 2 frame types are not compatible
Link Access Procedure - D-Channel (LAPD)
Central office (CO) or point of presence (POP)
Config t - interface serial 0 - encapsulation ppp
4. 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) protocol
Link Access Procedure - D-Channel (LAPD)
Point-to-Point Protocol (PPP)
High-Level Data Link Control (HDLC) protocol
5. When PPP connections are started - the links go through three phases of session establishment. What are the three phases?
Password Authentication Protocol (PAP)
Local loop
Frame Relay
Link establishment - Authentication phases (optional) - Network layer protocol phase
6. 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
Wide Area Network (WAN)
The layer 2 frame types are not compatible
Circuit switching
Authentication phase
7. Which is true regarding HDLC?
It is Cisco proprietary
data terminal equipment (DTE)
High-Level Data Link Control (HDLC) protocol
Serial
8. 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
Local loop
Password Authentication Protocol (PAP)
Leased lines
PAP and CHAP
9. 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)
Circuit switching
Wide Area Network
10. Which of the following protocols are used with ISDN as an out-of-band protocol?
Wide Area Network
Point-to-Point Protocol (PPP)
LAPD
EIA/TIA-232-C - V.24 - V.35 - and ISDN
11. A trunk line inside a WAN provider's network; a collection of switches and facilities owned by the ISP
Central office (CO) or point of presence (POP)
PPP - HDLC - Frame Relay
Toll network
Point-to-Point Protocol
12. Write the commands to configure s0 to PPP encapsulation
Config t - interface serial 0 - encapsulation ppp
PAP and CHAP
Toll network
Frame Relay
13. Protocol stack is specified at the Physical and Data Link layers only
Point-to-Point Protocol (PPP)
Challenge Handshake Authentication Protocol (CHAP)
Link Control Protocol (LCP)
PAP and CHAP
14. Write the command to see the encapsulation method on serial 0 of a Cisco router
Show interface serial 0
Link establishment - Authentication phases (optional) - Network layer protocol phase
PAP and CHAP
Point-to-Point Protocol (PPP)
15. A set of digital services that transmit voice and data over existing phone lines
HDLC - Frame Relay - PPP
Integrated Services Digital Network (ISDN)
PAP and CHAP
Point-to-Point Protocol
16. Equipment that's owned by the subscriber and located on the subscriber's premises
HDLC - PPP - and Frame Relay
Toll network
Point-to-Point Protocol (PPP)
Customer premises equipment (CPE)
17. Proprietary
Packet switching
The layer 2 frame types are not compatible
High-Level Data Link Control (HDLC) protocol
Point-to-Point Protocol (PPP)
18. What is the default serial encapsulation on a Cisco router?
Frame Relay
Network control Protocol (NCP)
Link establishment - Authentication phases (optional) - Network layer protocol phase
HDLC
19. Which encapsulations can be configured on a serial interface? (Choose three.)
Network layer protocol phase
HDLC - Frame Relay - PPP
Packet Switching - Circuit Switching - Leased Lines
Point-to-Point Protocol (PPP)
20. How do you configure a serial interface to use PPP encapsulation?
EIA/TIA-232-C - V.24 - V.35 - and ISDN
Link Control Protocol (LCP)
Point-to-Point Protocol (PPP)
Encapsulation ppp
21. One bit at a time over a single channel
Config t - interface serial 0 - encapsulation ppp
Link establishment phase
Frame Relay
serial transmission
22. What is the reason why the serial link between the Corp router and the Remote router will not come up?
The layer 2 frame types are not compatible
serial transmission
HDLC - PPP - and Frame Relay
Challenge Handshake Authentication Protocol (CHAP)
23. Write the commands to configure a username of todd and password of cisco that is used on a Cisco router
Username todd password cisco
Link Control Protocol (LCP)
Link establishment - Authentication phases (optional) - Network layer protocol phase
Wide Area Network
24. Data Link and Physical layer specification that provides high performance; successor to X.25
Link Control Protocol (LCP)
HDLC
Frame Relay
PAP and CHAP
25. Method of establishing - configuring - maintaining - and terminating the point-to-point connection
Frame Relay
Link Control Protocol (LCP)
Network layer protocol phase
Point-to-Point Protocol (PPP)
26. When a router is connected to a Frame Relay WAN link using a serial DTE interface - how is the clock rate determined?
Point-to-Point Protocol
Supplied by the CSU/DSU
Frame Relay
PPP - HDLC - Frame Relay
27. WAN stands for?
Wide Area Network
Show interface
Supplied by the CSU/DSU
High-Level Data Link Control (HDLC) protocol
28. Which of that following is a packet-switching encapsulation?
Username todd password cisco
Frame Relay
Point-to-Point Protocol (PPP)
Encapsulation ppp
29. 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
Link establishment - Authentication phases (optional) - Network layer protocol phase
High-Level Data Link Control (HDLC) protocol
PPP
Wide Area Network
30. What is the default serial encapsulation used on Cisco routers?
Frame Relay
Toll network
Point-to-Point Protocol (PPP)
HDLC
31. HDLC stands for what?
Supplied by the CSU/DSU
Username todd password cisco
High-Level Data Link Control
High-Level Data Link Control (HDLC) protocol
32. 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
Encapsulation ppp
High-Level Data Link Control (HDLC) protocol
Central office (CO) or point of presence (POP)
Point-to-Point Protocol (PPP)
33. 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)
Toll network
DCE network
Show interface serial 0
HDLC
34. Connects the demarc to the closest switching office - called a central office
HDLC - Frame Relay - PPP
Local loop
Frame Relay
Point-to-Point Protocol (PPP)
35. 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
HDLC - LCP - NCP
Asynchronous Transfer Mode (ATM)
Customer premises equipment (CPE)
Point-to-Point Protocol (PPP)
36. This point connects the customers to the provider's switching network
PPP
PPP - HDLC - Frame Relay
Point-to-Point Protocol (PPP)
Central office (CO) or point of presence (POP)
37. Which Data Link encapsulation can be used if you have one free serial interface and many remote offices to connect?
Network layer protocol phase
LAPD
Frame Relay
EIA/TIA-232-C - V.24 - V.35 - and ISDN
38. No authentication
Link establishment - Authentication phases (optional) - Network layer protocol phase
Point-to-Point Protocol (PPP)
High-Level Data Link Control (HDLC) protocol
Link Access Procedure - D-Channel (LAPD)
39. 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 establishment phase
Password Authentication Protocol (PAP)
Leased lines
40. Can encapsulate several layer 3 routed protocols and provide authentication - dynamic addressing - and callback
PAP and CHAP
Encapsulation ppp
Password Authentication Protocol (PAP)
Point-to-Point Protocol (PPP)
41. A point-to-point protocol used on leased lines
Network layer protocol phase
Point-to-Point Protocol (PPP)
HDLC
High-Level Data Link Control (HDLC) protocol
42. What is a good command to verify your serial interface on a router?
Network control Protocol (NCP)
Show interface
Encapsulation ppp
Link establishment phase
43. Designed to allow the simultaneous use of multiple Network layer protocols
Network control Protocol (NCP)
Frame Relay
NCP
Link establishment - Authentication phases (optional) - Network layer protocol phase
44. The spot where the service provider's responsibility ends and the CPE begins
Leased lines
Config t - interface serial 0 - encapsulation ppp
Demarcation point
Supplied by the CSU/DSU
45. Uses the Network Control Protocol (NCP) to allow multiple Network layer protocols to be encapsulated and sent over a PPP data link
HDLC - PPP - and Frame Relay
LCP
Network layer protocol phase
High-Level Data Link Control (HDLC)
46. Network Control Protocol (NCP) is used to allow multiple Network layer protocols (routed protocols) to be used on a point-to-point connection
Wide Area Network
Point-to-Point Protocol (PPP)
Integrated Services Digital Network (ISDN)
Serial
47. Which are considered WAN connection types? (Choose three.)
Asynchronous Transfer Mode (ATM)
Show interface serial 0
Username todd password cisco
Packet Switching - Circuit Switching - Leased Lines
48. If you had one serial interface on your router and needed to connect many remote locations - which Data Link encapsulation should you use?
Frame Relay
High-Level Data Link Control (HDLC) protocol
Wide Area Network
High-Level Data Link Control (HDLC) protocol
49. What are the two PPP authentication methods?
Link establishment phase
High-Level Data Link Control (HDLC) protocol
PPP - HDLC - Frame Relay
PAP and CHAP
50. Which of the following are considered common Data Link WAN encapsulation types? (Choose three.)
Network control Protocol (NCP)
Challenge Handshake Authentication Protocol (CHAP)
PPP - HDLC - Frame Relay
High-Level Data Link Control (HDLC) protocol