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