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