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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. Method for encapsulating datagrams over serial links
EIA/TIA-232-C - V.24 - V.35 - and ISDN
High-Level Data Link Control (HDLC)
Wide Area Network
NCP
2. HDLC stands for what?
HDLC
PAP and CHAP
PPP
High-Level Data Link Control
3. What are the PPP Data Link protocols?
PPP
Challenge Handshake Authentication Protocol (CHAP)
NCP
HDLC - LCP - NCP
4. Uses MD5 challange/response
Challenge Handshake Authentication Protocol (CHAP)
Network control Protocol (NCP)
HDLC - Frame Relay - PPP
High-Level Data Link Control (HDLC) protocol
5. What does PPP mean?
Password Authentication Protocol (PAP)
Wide Area Network (WAN)
serial transmission
Point-to-Point Protocol
6. Which protocol in PPP is used to identify the routed protocols?
Demarcation point
Network control Protocol (NCP)
High-Level Data Link Control (HDLC)
NCP
7. 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
High-Level Data Link Control (HDLC) protocol
NCP
High-Level Data Link Control (HDLC) protocol
Leased lines
8. Data Link and Physical layer specification that provides high performance; successor to X.25
High-Level Data Link Control (HDLC) protocol
Frame Relay
Point-to-Point Protocol (PPP)
Network control Protocol (NCP)
9. If you have a T1 - what must you connect from your router to a demarc?
Show interface
Link Control Protocol (LCP)
High-Level Data Link Control (HDLC) protocol
CSU/DSU
10. 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
Supplied by the CSU/DSU
Asynchronous Transfer Mode (ATM)
HDLC - PPP - and Frame Relay
Link establishment phase
11. To connect two DTE networks together through a DCE network
Authentication phase
It is Cisco proprietary
Config t - interface serial 0 - encapsulation ppp
Wide Area Network (WAN)
12. Write the commands to configure s0 to PPP encapsulation
Config t - interface serial 0 - encapsulation ppp
serial transmission
High-Level Data Link Control (HDLC) protocol
Username todd password cisco
13. Uses the LCP (Link Control Protocol) to build and maintain data link connections
Point-to-Point Protocol (PPP)
High-Level Data Link Control
Link Access Procedure - Balanced (LAPB)
High-Level Data Link Control (HDLC) protocol
14. Uses the Network Control Protocol (NCP) to allow multiple Network layer protocols to be encapsulated and sent over a PPP data link
Network layer protocol phase
The layer 2 frame types are not compatible
Integrated Services Digital Network (ISDN)
HDLC - PPP - and Frame Relay
15. This point connects the customers to the provider's switching network
Central office (CO) or point of presence (POP)
Point-to-Point Protocol (PPP)
Frame Relay
HDLC - PPP - and Frame Relay
16. 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
Point-to-Point Protocol
Packet switching
High-Level Data Link Control (HDLC)
Show interface serial 0
17. Can encapsulate several layer 3 routed protocols and provide authentication - dynamic addressing - and callback
Link Access Procedure - Balanced (LAPB)
Frame Relay
Point-to-Point Protocol (PPP)
High-Level Data Link Control (HDLC)
18. To transport layer 3 packets across a Data Link layer point-to-point link
PPP
HDLC
Point-to-Point Protocol (PPP)
Frame Relay
19. Write the command to see the encapsulation method on serial 0 of a Cisco router
Link Control Protocol (LCP)
Asynchronous Transfer Mode (ATM)
Show interface serial 0
Frame Relay
20. WAN stands for?
Local loop
Wide Area Network
HDLC - Frame Relay - PPP
Link Access Procedure - D-Channel (LAPD)
21. What is a good command to verify your serial interface on a router?
Frame Relay
Customer premises equipment (CPE)
It is Cisco proprietary
Show interface
22. What are the two PPP authentication methods?
Customer premises equipment (CPE)
LCP
PAP and CHAP
Local loop
23. Method of establishing - configuring - maintaining - and terminating the point-to-point connection
Config t - interface serial 0 - encapsulation ppp
Link Control Protocol (LCP)
PPP - HDLC - Frame Relay
High-Level Data Link Control
24. Physical layer international standard for serial communication
Password Authentication Protocol (PAP)
EIA/TIA-232-C - V.24 - V.35 - and ISDN
Integrated Services Digital Network (ISDN)
Packet switching
25. 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
Link Access Procedure - Balanced (LAPB)
PAP and CHAP
Point-to-Point Protocol (PPP)
DCE network
26. Designed to allow the simultaneous use of multiple Network layer protocols
Network control Protocol (NCP)
Circuit switching
Point-to-Point Protocol (PPP)
Central office (CO) or point of presence (POP)
27. When PPP connections are started - the links go through three phases of session establishment. What are the three phases?
Packet Switching - Circuit Switching - Leased Lines
Point-to-Point Protocol (PPP)
Circuit switching
Link establishment - Authentication phases (optional) - Network layer protocol phase
28. What is the default serial encapsulation used on Cisco routers?
Link Access Procedure - Balanced (LAPB)
Central office (CO) or point of presence (POP)
HDLC
EIA/TIA-232-C - V.24 - V.35 - and ISDN
29. LCP packets are sent by each PPP device to configure and test the link
NCP
Packet Switching - Circuit Switching - Leased Lines
Customer premises equipment (CPE)
Link establishment phase
30. If you had one serial interface on your router and needed to connect many remote locations - which Data Link encapsulation should you use?
Point-to-Point Protocol (PPP)
Frame Relay
Central office (CO) or point of presence (POP)
Authentication phase
31. Which PPP protocol provides link establishment?
Link Access Procedure - Balanced (LAPB)
LCP
Link Access Procedure - D-Channel (LAPD)
Link Control Protocol (LCP)
32. Method of establishing and configuring different Network layer protocols
It is Cisco proprietary
Network control Protocol (NCP)
High-Level Data Link Control (HDLC) protocol
Frame Relay
33. Which of that following is a packet-switching encapsulation?
HDLC
Point-to-Point Protocol (PPP)
Frame Relay
Link Access Procedure - D-Channel (LAPD)
34. Protocol stack is specified at the Physical and Data Link layers only
HDLC - Frame Relay - PPP
Central office (CO) or point of presence (POP)
Local loop
Point-to-Point Protocol (PPP)
35. A trunk line inside a WAN provider's network; a collection of switches and facilities owned by the ISP
Toll network
HDLC - Frame Relay - PPP
Link Control Protocol (LCP)
High-Level Data Link Control (HDLC) protocol
36. Proprietary
High-Level Data Link Control (HDLC) protocol
Wide Area Network
Link Access Procedure - Balanced (LAPB)
Supplied by the CSU/DSU
37. Network Control Protocol (NCP) is used to allow multiple Network layer protocols (routed protocols) to be used on a point-to-point connection
Integrated Services Digital Network (ISDN)
Frame Relay
Point-to-Point Protocol (PPP)
Network control Protocol (NCP)
38. How do you configure a serial interface to use PPP encapsulation?
High-Level Data Link Control (HDLC) protocol
CSU/DSU
Point-to-Point Protocol (PPP)
Encapsulation ppp
39. 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
LAPD
CSU/DSU
EIA/TIA-232-C - V.24 - V.35 - and ISDN
PPP
40. Which of the following are considered common Data Link WAN encapsulation types? (Choose three.)
High-Level Data Link Control (HDLC) protocol
Frame Relay
PPP - HDLC - Frame Relay
High-Level Data Link Control (HDLC) protocol
41. Which type of port on a router is used for a T1?
Supplied by the CSU/DSU
Serial
Frame Relay
High-Level Data Link Control (HDLC) protocol
42. Nonproprietary
data terminal equipment (DTE)
Point-to-Point Protocol (PPP)
Customer premises equipment (CPE)
Packet switching
43. The spot where the service provider's responsibility ends and the CPE begins
DCE network
Demarcation point
Link Access Procedure - Balanced (LAPB)
Show interface serial 0
44. 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
High-Level Data Link Control (HDLC) protocol
LCP
NCP
Packet switching
45. Which are considered WAN connection types? (Choose three.)
Wide Area Network
Packet Switching - Circuit Switching - Leased Lines
LAPD
Asynchronous Transfer Mode (ATM)
46. Used with ISDN at the Data Link layer (layer 2) as a protocol for the D (signaling) channel
CSU/DSU
HDLC
Link Access Procedure - D-Channel (LAPD)
Link establishment - Authentication phases (optional) - Network layer protocol phase
47. When a router is connected to a Frame Relay WAN link using a serial DTE interface - how is the clock rate determined?
Link establishment phase
Username todd password cisco
High-Level Data Link Control (HDLC) protocol
Supplied by the CSU/DSU
48. What is the default serial encapsulation on a Cisco router?
Packet switching
HDLC
PAP and CHAP
NCP
49. Which Data Link encapsulation can be used if you have one free serial interface and many remote offices to connect?
Frame Relay
Link establishment phase
Link Access Procedure - D-Channel (LAPD)
PPP
50. If required - either CHAP or PAP can be used to authenticate a link
HDLC - PPP - and Frame Relay
It is Cisco proprietary
Authentication phase
DCE network