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