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