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