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