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