SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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?
CSU/DSU
High-Level Data Link Control
Packet Switching - Circuit Switching - Leased Lines
High-Level Data Link Control (HDLC) protocol
2. Can encapsulate several layer 3 routed protocols and provide authentication - dynamic addressing - and callback
Point-to-Point Protocol (PPP)
Network control Protocol (NCP)
Packet Switching - Circuit Switching - Leased Lines
Password Authentication Protocol (PAP)
3. LCP packets are sent by each PPP device to configure and test the link
Link Access Procedure - D-Channel (LAPD)
Packet switching
Link establishment phase
High-Level Data Link Control (HDLC) protocol
4. Which type of port on a router is used for a T1?
Point-to-Point Protocol (PPP)
Serial
Authentication phase
Packet Switching - Circuit Switching - Leased Lines
5. Less secure; Passwords are sent in clear text
The layer 2 frame types are not compatible
Password Authentication Protocol (PAP)
Frame Relay
High-Level Data Link Control (HDLC) protocol
6. A trunk line inside a WAN provider's network; a collection of switches and facilities owned by the ISP
Toll network
NCP
Point-to-Point Protocol (PPP)
HDLC
7. When PPP connections are started - the links go through three phases of session establishment. What are the three phases?
High-Level Data Link Control (HDLC) protocol
Link establishment - Authentication phases (optional) - Network layer protocol phase
data terminal equipment (DTE)
Packet Switching - Circuit Switching - Leased Lines
8. Proprietary
PAP and CHAP
Username todd password cisco
High-Level Data Link Control (HDLC) protocol
HDLC - PPP - and Frame Relay
9. A point-to-point protocol used on leased lines
Frame Relay
High-Level Data Link Control (HDLC) protocol
Customer premises equipment (CPE)
Point-to-Point Protocol
10. If you have a T1 - what must you connect from your router to a demarc?
Link establishment phase
Serial
NCP
CSU/DSU
11. If you had one serial interface on your router and needed to connect many remote locations - which Data Link encapsulation should you use?
HDLC - Frame Relay - PPP
Network control Protocol (NCP)
Frame Relay
serial transmission
12. Method of establishing and configuring different Network layer protocols
HDLC
Network control Protocol (NCP)
Point-to-Point Protocol (PPP)
High-Level Data Link Control (HDLC) protocol
13. A set of digital services that transmit voice and data over existing phone lines
Integrated Services Digital Network (ISDN)
Link Control Protocol (LCP)
CSU/DSU
Username todd password cisco
14. Write the commands to configure s0 to PPP encapsulation
LCP
Config t - interface serial 0 - encapsulation ppp
Frame Relay
Link establishment - Authentication phases (optional) - Network layer protocol phase
15. Network Control Protocol (NCP) is used to allow multiple Network layer protocols (routed protocols) to be used on a point-to-point connection
HDLC - Frame Relay - PPP
HDLC
Network control Protocol (NCP)
Point-to-Point Protocol (PPP)
16. What is the reason why the serial link between the Corp router and the Remote router will not come up?
PPP - HDLC - Frame Relay
Link Access Procedure - D-Channel (LAPD)
The layer 2 frame types are not compatible
Point-to-Point Protocol (PPP)
17. If required - either CHAP or PAP can be used to authenticate a link
The layer 2 frame types are not compatible
Frame Relay
Authentication phase
Integrated Services Digital Network (ISDN)
18. Connects the demarc to the closest switching office - called a central office
Frame Relay
data terminal equipment (DTE)
Point-to-Point Protocol
Local loop
19. 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
Network control Protocol (NCP)
Serial
Leased lines
Integrated Services Digital Network (ISDN)
20. No authentication
NCP
PPP
Link establishment phase
High-Level Data Link Control (HDLC) protocol
21. What does PPP mean?
Frame Relay
Network layer protocol phase
NCP
Point-to-Point Protocol
22. Which encapsulations can be configured on a serial interface? (Choose three.)
High-Level Data Link Control (HDLC) protocol
HDLC - Frame Relay - PPP
HDLC - PPP - and Frame Relay
CSU/DSU
23. Which PPP protocol provides link establishment?
Serial
DCE network
LCP
Challenge Handshake Authentication Protocol (CHAP)
24. Designed to allow the simultaneous use of multiple Network layer protocols
Link Access Procedure - D-Channel (LAPD)
LCP
High-Level Data Link Control (HDLC) protocol
Network control Protocol (NCP)
25. Physical layer international standard for serial communication
The layer 2 frame types are not compatible
EIA/TIA-232-C - V.24 - V.35 - and ISDN
Point-to-Point Protocol
Frame Relay
26. Write the command to see the encapsulation method on serial 0 of a Cisco router
High-Level Data Link Control (HDLC)
Show interface serial 0
EIA/TIA-232-C - V.24 - V.35 - and ISDN
Authentication phase
27. To connect two DTE networks together through a DCE network
Wide Area Network (WAN)
Show interface serial 0
HDLC
CSU/DSU
28. What are common Data Link WAN encapsulations?
Point-to-Point Protocol (PPP)
High-Level Data Link Control (HDLC) protocol
The layer 2 frame types are not compatible
HDLC - PPP - and Frame Relay
29. Serial interfaces by default; connect into data communication equipment (DCE)
Local loop
Network control Protocol (NCP)
data terminal equipment (DTE)
High-Level Data Link Control (HDLC) protocol
30. Which of the following encapsulations was considered an upgrade from x.25?
Serial
HDLC - Frame Relay - PPP
Frame Relay
High-Level Data Link Control
31. Data Link layer protocol that can be used over either asynchronous serial (dial-up) or synchronous serial (ISDN) media
Point-to-Point Protocol (PPP)
Leased lines
Challenge Handshake Authentication Protocol (CHAP)
PPP - HDLC - Frame Relay
32. 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
High-Level Data Link Control (HDLC)
Point-to-Point Protocol (PPP)
High-Level Data Link Control (HDLC) protocol
Frame Relay
33. How do you configure a serial interface to use PPP encapsulation?
Encapsulation ppp
NCP
Link Access Procedure - D-Channel (LAPD)
Point-to-Point Protocol (PPP)
34. Used with ISDN at the Data Link layer (layer 2) as a protocol for the D (signaling) channel
Asynchronous Transfer Mode (ATM)
High-Level Data Link Control (HDLC) protocol
Link Access Procedure - D-Channel (LAPD)
Leased lines
35. Method for encapsulating datagrams over serial links
DCE network
High-Level Data Link Control
High-Level Data Link Control (HDLC)
Password Authentication Protocol (PAP)
36. Uses MD5 challange/response
Challenge Handshake Authentication Protocol (CHAP)
The layer 2 frame types are not compatible
Config t - interface serial 0 - encapsulation ppp
High-Level Data Link Control (HDLC)
37. Which of the following are considered common Data Link WAN encapsulation types? (Choose three.)
High-Level Data Link Control (HDLC) protocol
High-Level Data Link Control (HDLC)
PPP - HDLC - Frame Relay
Leased lines
38. Method of establishing - configuring - maintaining - and terminating the point-to-point connection
Link Control Protocol (LCP)
Encapsulation ppp
Point-to-Point Protocol
Integrated Services Digital Network (ISDN)
39. 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
High-Level Data Link Control (HDLC) protocol
Point-to-Point Protocol (PPP)
Show interface serial 0
40. Which is true regarding HDLC?
Toll network
CSU/DSU
It is Cisco proprietary
Asynchronous Transfer Mode (ATM)
41. One bit at a time over a single channel
serial transmission
Link Access Procedure - Balanced (LAPB)
Challenge Handshake Authentication Protocol (CHAP)
HDLC
42. What are the two PPP authentication methods?
PAP and CHAP
Point-to-Point Protocol
PPP
Packet Switching - Circuit Switching - Leased Lines
43. Equipment that's owned by the subscriber and located on the subscriber's premises
LAPD
Customer premises equipment (CPE)
Link establishment phase
Network control Protocol (NCP)
44. 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)
Customer premises equipment (CPE)
HDLC
HDLC - PPP - and Frame Relay
45. Which of that following is a packet-switching encapsulation?
Frame Relay
Point-to-Point Protocol (PPP)
Network control Protocol (NCP)
Packet switching
46. Which of the following protocols are used with ISDN as an out-of-band protocol?
Point-to-Point Protocol (PPP)
CSU/DSU
LAPD
HDLC
47. What is a good command to verify your serial interface on a router?
Link Control Protocol (LCP)
Show interface
Wide Area Network
Toll network
48. What is the default serial encapsulation on a Cisco router?
Link establishment - Authentication phases (optional) - Network layer protocol phase
High-Level Data Link Control (HDLC)
HDLC
High-Level Data Link Control (HDLC) protocol
49. Uses the LCP (Link Control Protocol) to build and maintain data link connections
Leased lines
Link Access Procedure - Balanced (LAPB)
Network control Protocol (NCP)
Point-to-Point Protocol (PPP)
50. Bit-oriented Data Link layer protocol
Point-to-Point Protocol (PPP)
High-Level Data Link Control (HDLC) protocol
Network control Protocol (NCP)
Customer premises equipment (CPE)