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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. Designed to allow the simultaneous use of multiple Network layer protocols
High-Level Data Link Control (HDLC) protocol
Authentication phase
data terminal equipment (DTE)
Network control Protocol (NCP)
2. Connects the demarc to the closest switching office - called a central office
Packet Switching - Circuit Switching - Leased Lines
Local loop
Customer premises equipment (CPE)
HDLC - PPP - and Frame Relay
3. 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
Leased lines
Username todd password cisco
Frame Relay
4. Method for encapsulating datagrams over serial links
Username todd password cisco
LCP
High-Level Data Link Control (HDLC)
HDLC - LCP - NCP
5. Serial interfaces by default; connect into data communication equipment (DCE)
Username todd password cisco
data terminal equipment (DTE)
PAP and CHAP
Packet switching
6. The default encapsulation used by Cisco routers over synchronous serial links
Challenge Handshake Authentication Protocol (CHAP)
High-Level Data Link Control (HDLC) protocol
HDLC - Frame Relay - PPP
Asynchronous Transfer Mode (ATM)
7. 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
Circuit switching
Encapsulation ppp
Packet switching
LCP
8. Data Link layer protocol that can be used over either asynchronous serial (dial-up) or synchronous serial (ISDN) media
Point-to-Point Protocol (PPP)
Link establishment phase
HDLC - LCP - NCP
Authentication phase
9. What are common Data Link WAN encapsulations?
Point-to-Point Protocol (PPP)
Integrated Services Digital Network (ISDN)
HDLC - PPP - and Frame Relay
Frame Relay
10. Equipment that's owned by the subscriber and located on the subscriber's premises
Wide Area Network
HDLC - PPP - and Frame Relay
Circuit switching
Customer premises equipment (CPE)
11. What does PPP mean?
Authentication phase
Link Access Procedure - Balanced (LAPB)
Point-to-Point Protocol
Link Access Procedure - D-Channel (LAPD)
12. 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
Point-to-Point Protocol (PPP)
PPP
It is Cisco proprietary
Show interface serial 0
13. To transport layer 3 packets across a Data Link layer point-to-point link
Point-to-Point Protocol (PPP)
Central office (CO) or point of presence (POP)
Show interface serial 0
HDLC
14. Which of the following protocols are used with ISDN as an out-of-band protocol?
LAPD
High-Level Data Link Control (HDLC) protocol
Network control Protocol (NCP)
High-Level Data Link Control (HDLC) protocol
15. Write the commands to configure s0 to PPP encapsulation
High-Level Data Link Control (HDLC)
Toll network
Config t - interface serial 0 - encapsulation ppp
CSU/DSU
16. Which type of port on a router is used for a T1?
DCE network
High-Level Data Link Control (HDLC) protocol
Local loop
Serial
17. A set of digital services that transmit voice and data over existing phone lines
Customer premises equipment (CPE)
Integrated Services Digital Network (ISDN)
Encapsulation ppp
Authentication phase
18. Proprietary
Link establishment - Authentication phases (optional) - Network layer protocol phase
High-Level Data Link Control (HDLC) protocol
Integrated Services Digital Network (ISDN)
Link Access Procedure - Balanced (LAPB)
19. Which of that following is a packet-switching encapsulation?
Frame Relay
DCE network
Link Control Protocol (LCP)
It is Cisco proprietary
20. The spot where the service provider's responsibility ends and the CPE begins
Wide Area Network (WAN)
High-Level Data Link Control
High-Level Data Link Control (HDLC) protocol
Demarcation point
21. Which encapsulations can be configured on a serial interface? (Choose three.)
LCP
High-Level Data Link Control (HDLC)
Frame Relay
HDLC - Frame Relay - PPP
22. This point connects the customers to the provider's switching network
High-Level Data Link Control (HDLC) protocol
Local loop
Central office (CO) or point of presence (POP)
Demarcation point
23. If required - either CHAP or PAP can be used to authenticate a link
Link Access Procedure - D-Channel (LAPD)
Supplied by the CSU/DSU
Authentication phase
Frame Relay
24. Which are considered WAN connection types? (Choose three.)
Network layer protocol phase
Packet switching
Packet Switching - Circuit Switching - Leased Lines
Username todd password cisco
25. To connect two DTE networks together through a DCE network
Integrated Services Digital Network (ISDN)
Circuit switching
LAPD
Wide Area Network (WAN)
26. Which PPP protocol provides link establishment?
LAPD
DCE network
LCP
Network control Protocol (NCP)
27. No authentication
Packet Switching - Circuit Switching - Leased Lines
LCP
High-Level Data Link Control (HDLC) protocol
Link Access Procedure - Balanced (LAPB)
28. 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
Leased lines
Point-to-Point Protocol (PPP)
Frame Relay
Frame Relay
29. Which is true regarding HDLC?
It is Cisco proprietary
Frame Relay
Network control Protocol (NCP)
Point-to-Point Protocol (PPP)
30. Protocol stack is specified at the Physical and Data Link layers only
Point-to-Point Protocol (PPP)
Toll network
Link Access Procedure - Balanced (LAPB)
Serial
31. HDLC stands for what?
CSU/DSU
data terminal equipment (DTE)
Link establishment - Authentication phases (optional) - Network layer protocol phase
High-Level Data Link Control
32. Data Link and Physical layer specification that provides high performance; successor to X.25
Frame Relay
Network control Protocol (NCP)
Link establishment - Authentication phases (optional) - Network layer protocol phase
Central office (CO) or point of presence (POP)
33. What are the PPP Data Link protocols?
HDLC - LCP - NCP
Wide Area Network
PPP - HDLC - Frame Relay
Challenge Handshake Authentication Protocol (CHAP)
34. Used with ISDN at the Data Link layer (layer 2) as a protocol for the D (signaling) channel
Integrated Services Digital Network (ISDN)
Link Access Procedure - D-Channel (LAPD)
EIA/TIA-232-C - V.24 - V.35 - and ISDN
LAPD
35. Can encapsulate several layer 3 routed protocols and provide authentication - dynamic addressing - and callback
Packet switching
High-Level Data Link Control (HDLC) protocol
Point-to-Point Protocol (PPP)
Link Access Procedure - D-Channel (LAPD)
36. What is the default serial encapsulation on a Cisco router?
Password Authentication Protocol (PAP)
Frame Relay
HDLC
Point-to-Point Protocol (PPP)
37. Physical layer international standard for serial communication
EIA/TIA-232-C - V.24 - V.35 - and ISDN
PPP
Link Access Procedure - D-Channel (LAPD)
Circuit switching
38. Specifies an encapsulation method for data on synchronous serial data links using frame characters and checksums
Frame Relay
High-Level Data Link Control (HDLC) protocol
Show interface
Config t - interface serial 0 - encapsulation ppp
39. A trunk line inside a WAN provider's network; a collection of switches and facilities owned by the ISP
Asynchronous Transfer Mode (ATM)
Toll network
It is Cisco proprietary
High-Level Data Link Control (HDLC) protocol
40. If you have a T1 - what must you connect from your router to a demarc?
EIA/TIA-232-C - V.24 - V.35 - and ISDN
Frame Relay
Link Access Procedure - D-Channel (LAPD)
CSU/DSU
41. 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
Frame Relay
Leased lines
LCP
Customer premises equipment (CPE)
42. 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
Point-to-Point Protocol (PPP)
CSU/DSU
Point-to-Point Protocol (PPP)
43. Write the commands to configure a username of todd and password of cisco that is used on a Cisco router
Authentication phase
Username todd password cisco
Encapsulation ppp
Password Authentication Protocol (PAP)
44. Which Data Link encapsulation can be used if you have one free serial interface and many remote offices to connect?
Point-to-Point Protocol (PPP)
Frame Relay
Point-to-Point Protocol (PPP)
Link establishment - Authentication phases (optional) - Network layer protocol phase
45. Uses MD5 challange/response
Challenge Handshake Authentication Protocol (CHAP)
Link Access Procedure - D-Channel (LAPD)
The layer 2 frame types are not compatible
Password Authentication Protocol (PAP)
46. A point-to-point protocol used on leased lines
Point-to-Point Protocol (PPP)
High-Level Data Link Control (HDLC) protocol
data terminal equipment (DTE)
Demarcation point
47. What are the two PPP authentication methods?
Circuit switching
HDLC - PPP - and Frame Relay
PAP and CHAP
Integrated Services Digital Network (ISDN)
48. Nonproprietary
Central office (CO) or point of presence (POP)
The layer 2 frame types are not compatible
Point-to-Point Protocol (PPP)
It is Cisco proprietary
49. What is the default serial encapsulation used on Cisco routers?
HDLC
Show interface serial 0
Point-to-Point Protocol (PPP)
NCP
50. Which protocol in PPP is used to identify the routed protocols?
NCP
Network control Protocol (NCP)
Point-to-Point Protocol (PPP)
Packet switching