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