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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. Less secure; Passwords are sent in clear text
Link Access Procedure - Balanced (LAPB)
serial transmission
Local loop
Password Authentication Protocol (PAP)
2. The default encapsulation used by Cisco routers over synchronous serial links
High-Level Data Link Control (HDLC) protocol
Packet switching
HDLC
HDLC - LCP - NCP
3. How do you configure a serial interface to use PPP encapsulation?
Frame Relay
Frame Relay
Point-to-Point Protocol (PPP)
Encapsulation ppp
4. Proprietary
Challenge Handshake Authentication Protocol (CHAP)
Toll network
Point-to-Point Protocol (PPP)
High-Level Data Link Control (HDLC) protocol
5. Connects the demarc to the closest switching office - called a central office
Point-to-Point Protocol
Authentication phase
High-Level Data Link Control (HDLC) protocol
Local loop
6. Which type of port on a router is used for a T1?
Point-to-Point Protocol (PPP)
Serial
Packet switching
HDLC
7. LCP packets are sent by each PPP device to configure and test the link
Local loop
LAPD
Link establishment phase
Show interface
8. 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
Integrated Services Digital Network (ISDN)
Frame Relay
PPP
9. What are common Data Link WAN encapsulations?
Network control Protocol (NCP)
Central office (CO) or point of presence (POP)
HDLC - PPP - and Frame Relay
Supplied by the CSU/DSU
10. What does PPP mean?
LAPD
Point-to-Point Protocol
High-Level Data Link Control
serial transmission
11. 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
Toll network
Point-to-Point Protocol (PPP)
Frame Relay
Integrated Services Digital Network (ISDN)
12. If you have a T1 - what must you connect from your router to a demarc?
Demarcation point
Link establishment - Authentication phases (optional) - Network layer protocol phase
CSU/DSU
Leased lines
13. Data Link layer protocol that can be used over either asynchronous serial (dial-up) or synchronous serial (ISDN) media
Wide Area Network (WAN)
Point-to-Point Protocol (PPP)
The layer 2 frame types are not compatible
Local loop
14. 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)
Serial
High-Level Data Link Control (HDLC) protocol
DCE network
PPP - HDLC - Frame Relay
15. What is the default serial encapsulation on a Cisco router?
Link establishment phase
Point-to-Point Protocol (PPP)
HDLC
Link Control Protocol (LCP)
16. WAN stands for?
Link establishment - Authentication phases (optional) - Network layer protocol phase
Frame Relay
Wide Area Network
Username todd password cisco
17. Which of the following protocols are used with ISDN as an out-of-band protocol?
High-Level Data Link Control (HDLC) protocol
LAPD
HDLC
EIA/TIA-232-C - V.24 - V.35 - and ISDN
18. A point-to-point protocol used on leased lines
High-Level Data Link Control (HDLC) protocol
LAPD
Point-to-Point Protocol (PPP)
PAP and CHAP
19. When a router is connected to a Frame Relay WAN link using a serial DTE interface - how is the clock rate determined?
NCP
Supplied by the CSU/DSU
Link Access Procedure - Balanced (LAPB)
High-Level Data Link Control (HDLC) protocol
20. Protocol stack is specified at the Physical and Data Link layers only
Point-to-Point Protocol (PPP)
Show interface
Supplied by the CSU/DSU
data terminal equipment (DTE)
21. Write the command to see the encapsulation method on serial 0 of a Cisco router
Frame Relay
Show interface serial 0
Link Access Procedure - D-Channel (LAPD)
Demarcation point
22. Can encapsulate several layer 3 routed protocols and provide authentication - dynamic addressing - and callback
Point-to-Point Protocol (PPP)
Show interface
Customer premises equipment (CPE)
Password Authentication Protocol (PAP)
23. 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)
Wide Area Network (WAN)
High-Level Data Link Control (HDLC) protocol
Username todd password cisco
24. Which encapsulations can be configured on a serial interface? (Choose three.)
Wide Area Network
HDLC - Frame Relay - PPP
Point-to-Point Protocol (PPP)
Network layer protocol phase
25. Uses the LCP (Link Control Protocol) to build and maintain data link connections
Supplied by the CSU/DSU
Point-to-Point Protocol
Point-to-Point Protocol (PPP)
Toll network
26. Method of establishing - configuring - maintaining - and terminating the point-to-point connection
Link Control Protocol (LCP)
Customer premises equipment (CPE)
PPP
HDLC - PPP - and Frame Relay
27. No authentication
Circuit switching
PPP
Asynchronous Transfer Mode (ATM)
High-Level Data Link Control (HDLC) protocol
28. 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
Central office (CO) or point of presence (POP)
Packet switching
Authentication phase
29. Designed to allow the simultaneous use of multiple Network layer protocols
Authentication phase
Network control Protocol (NCP)
High-Level Data Link Control (HDLC)
Packet switching
30. Which protocol in PPP is used to identify the routed protocols?
Encapsulation ppp
NCP
Local loop
High-Level Data Link Control (HDLC) protocol
31. 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
PPP
Username todd password cisco
Packet switching
Point-to-Point Protocol (PPP)
32. What is the default serial encapsulation used on Cisco routers?
Frame Relay
NCP
HDLC
Serial
33. What are the PPP Data Link protocols?
HDLC - LCP - NCP
Point-to-Point Protocol (PPP)
High-Level Data Link Control (HDLC) protocol
data terminal equipment (DTE)
34. Which of that following is a packet-switching encapsulation?
Point-to-Point Protocol (PPP)
Central office (CO) or point of presence (POP)
Frame Relay
Wide Area Network (WAN)
35. Uses MD5 challange/response
Toll network
Wide Area Network
Challenge Handshake Authentication Protocol (CHAP)
Show interface serial 0
36. 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
High-Level Data Link Control
Serial
PAP and CHAP
37. 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
Link establishment phase
Asynchronous Transfer Mode (ATM)
38. One bit at a time over a single channel
Network layer protocol phase
High-Level Data Link Control (HDLC) protocol
serial transmission
PAP and CHAP
39. Uses the Network Control Protocol (NCP) to allow multiple Network layer protocols to be encapsulated and sent over a PPP data link
Show interface
Network layer protocol phase
Circuit switching
DCE network
40. If required - either CHAP or PAP can be used to authenticate a link
Link Access Procedure - D-Channel (LAPD)
Network control Protocol (NCP)
High-Level Data Link Control
Authentication phase
41. Which PPP protocol provides link establishment?
PPP
Wide Area Network (WAN)
Point-to-Point Protocol
LCP
42. Nonproprietary
Point-to-Point Protocol (PPP)
Wide Area Network
Link establishment phase
Serial
43. 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
Packet switching
Asynchronous Transfer Mode (ATM)
Network control Protocol (NCP)
Wide Area Network
44. When PPP connections are started - the links go through three phases of session establishment. What are the three phases?
LCP
Link establishment - Authentication phases (optional) - Network layer protocol phase
High-Level Data Link Control (HDLC) protocol
NCP
45. Data Link and Physical layer specification that provides high performance; successor to X.25
Frame Relay
Point-to-Point Protocol (PPP)
Config t - interface serial 0 - encapsulation ppp
Point-to-Point Protocol (PPP)
46. Bit-oriented Data Link layer protocol
High-Level Data Link Control (HDLC) protocol
Frame Relay
Password Authentication Protocol (PAP)
NCP
47. Specifies an encapsulation method for data on synchronous serial data links using frame characters and checksums
Supplied by the CSU/DSU
Customer premises equipment (CPE)
Packet Switching - Circuit Switching - Leased Lines
High-Level Data Link Control (HDLC) protocol
48. This point connects the customers to the provider's switching network
DCE network
Central office (CO) or point of presence (POP)
EIA/TIA-232-C - V.24 - V.35 - and ISDN
Frame Relay
49. Which are considered WAN connection types? (Choose three.)
Asynchronous Transfer Mode (ATM)
HDLC
Username todd password cisco
Packet Switching - Circuit Switching - Leased Lines
50. What are the two PPP authentication methods?
PAP and CHAP
Network control Protocol (NCP)
Circuit switching
Password Authentication Protocol (PAP)