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