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