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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. Which encapsulations can be configured on a serial interface? (Choose three.)
Integrated Services Digital Network (ISDN)
Leased lines
CSU/DSU
HDLC - Frame Relay - PPP
2. 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
Point-to-Point Protocol (PPP)
DCE network
Asynchronous Transfer Mode (ATM)
HDLC
3. Less secure; Passwords are sent in clear text
Show interface serial 0
Network layer protocol phase
Frame Relay
Password Authentication Protocol (PAP)
4. Equipment that's owned by the subscriber and located on the subscriber's premises
Password Authentication Protocol (PAP)
Point-to-Point Protocol (PPP)
Wide Area Network
Customer premises equipment (CPE)
5. Proprietary
Point-to-Point Protocol (PPP)
Central office (CO) or point of presence (POP)
High-Level Data Link Control (HDLC) protocol
serial transmission
6. The default encapsulation used by Cisco routers over synchronous serial links
High-Level Data Link Control (HDLC) protocol
Password Authentication Protocol (PAP)
Point-to-Point Protocol (PPP)
LAPD
7. Connects the demarc to the closest switching office - called a central office
High-Level Data Link Control (HDLC) protocol
High-Level Data Link Control (HDLC) protocol
PAP and CHAP
Local loop
8. One bit at a time over a single channel
HDLC - Frame Relay - PPP
serial transmission
Packet switching
Wide Area Network
9. Data Link layer protocol that can be used over either asynchronous serial (dial-up) or synchronous serial (ISDN) media
Frame Relay
Point-to-Point Protocol (PPP)
High-Level Data Link Control (HDLC)
Packet switching
10. No authentication
Leased lines
Packet switching
Wide Area Network (WAN)
High-Level Data Link Control (HDLC) protocol
11. 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
HDLC - PPP - and Frame Relay
Serial
12. This point connects the customers to the provider's switching network
It is Cisco proprietary
Central office (CO) or point of presence (POP)
HDLC
The layer 2 frame types are not compatible
13. Which of that following is a packet-switching encapsulation?
High-Level Data Link Control (HDLC)
Username todd password cisco
The layer 2 frame types are not compatible
Frame Relay
14. A point-to-point protocol used on leased lines
High-Level Data Link Control (HDLC) protocol
Username todd password cisco
Network control Protocol (NCP)
Show interface serial 0
15. Can encapsulate several layer 3 routed protocols and provide authentication - dynamic addressing - and callback
Point-to-Point Protocol (PPP)
serial transmission
HDLC
Username todd password cisco
16. Method of establishing - configuring - maintaining - and terminating the point-to-point connection
Link Control Protocol (LCP)
Frame Relay
Link establishment - Authentication phases (optional) - Network layer protocol phase
Toll network
17. Which of the following encapsulations was considered an upgrade from x.25?
Wide Area Network (WAN)
Toll network
Network control Protocol (NCP)
Frame Relay
18. What does PPP mean?
Supplied by the CSU/DSU
High-Level Data Link Control (HDLC)
High-Level Data Link Control (HDLC) protocol
Point-to-Point Protocol
19. If required - either CHAP or PAP can be used to authenticate a link
Link Access Procedure - D-Channel (LAPD)
Authentication phase
Supplied by the CSU/DSU
Point-to-Point Protocol
20. 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) protocol
PPP - HDLC - Frame Relay
Asynchronous Transfer Mode (ATM)
21. Which is true regarding HDLC?
Point-to-Point Protocol (PPP)
It is Cisco proprietary
Link Access Procedure - D-Channel (LAPD)
Point-to-Point Protocol
22. HDLC stands for what?
Leased lines
Username todd password cisco
High-Level Data Link Control
Link Access Procedure - D-Channel (LAPD)
23. WAN stands for?
Frame Relay
Challenge Handshake Authentication Protocol (CHAP)
Wide Area Network
PPP - HDLC - Frame Relay
24. Write the commands to configure a username of todd and password of cisco that is used on a Cisco router
Point-to-Point Protocol (PPP)
High-Level Data Link Control (HDLC)
Link Access Procedure - D-Channel (LAPD)
Username todd password cisco
25. What are common Data Link WAN encapsulations?
Packet Switching - Circuit Switching - Leased Lines
HDLC - PPP - and Frame Relay
PPP - HDLC - Frame Relay
LAPD
26. What is the default serial encapsulation on a Cisco router?
Point-to-Point Protocol
HDLC
Packet Switching - Circuit Switching - Leased Lines
High-Level Data Link Control (HDLC) protocol
27. What are the two PPP authentication methods?
Frame Relay
PAP and CHAP
Packet switching
Link establishment phase
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
serial transmission
PAP and CHAP
Network layer protocol phase
Packet switching
29. To connect two DTE networks together through a DCE network
Password Authentication Protocol (PAP)
High-Level Data Link Control (HDLC) protocol
Integrated Services Digital Network (ISDN)
Wide Area Network (WAN)
30. 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
data terminal equipment (DTE)
Circuit switching
Leased lines
High-Level Data Link Control (HDLC)
31. Uses the LCP (Link Control Protocol) to build and maintain data link connections
Show interface
Central office (CO) or point of presence (POP)
Point-to-Point Protocol (PPP)
Frame Relay
32. A trunk line inside a WAN provider's network; a collection of switches and facilities owned by the ISP
PPP
Toll network
Wide Area Network (WAN)
High-Level Data Link Control (HDLC) protocol
33. Uses MD5 challange/response
Frame Relay
Show interface serial 0
Local loop
Challenge Handshake Authentication Protocol (CHAP)
34. Method of establishing and configuring different Network layer protocols
Network control Protocol (NCP)
Link establishment phase
EIA/TIA-232-C - V.24 - V.35 - and ISDN
Point-to-Point Protocol (PPP)
35. LCP packets are sent by each PPP device to configure and test the link
Link establishment phase
High-Level Data Link Control (HDLC) protocol
Show interface
High-Level Data Link Control (HDLC) protocol
36. Designed to allow the simultaneous use of multiple Network layer protocols
Point-to-Point Protocol (PPP)
HDLC - PPP - and Frame Relay
Serial
Network control Protocol (NCP)
37. To transport layer 3 packets across a Data Link layer point-to-point link
Point-to-Point Protocol
Frame Relay
Point-to-Point Protocol (PPP)
High-Level Data Link Control (HDLC)
38. The spot where the service provider's responsibility ends and the CPE begins
Link Access Procedure - D-Channel (LAPD)
PPP
Frame Relay
Demarcation point
39. Which PPP protocol provides link establishment?
High-Level Data Link Control (HDLC) protocol
HDLC - Frame Relay - PPP
LCP
Point-to-Point Protocol (PPP)
40. 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
PPP
Leased lines
Show interface serial 0
NCP
41. Which of the following protocols are used with ISDN as an out-of-band protocol?
LAPD
High-Level Data Link Control (HDLC) protocol
High-Level Data Link Control (HDLC) protocol
Show interface serial 0
42. What is the default serial encapsulation used on Cisco routers?
Link Access Procedure - D-Channel (LAPD)
NCP
Frame Relay
HDLC
43. 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)
Serial
Leased lines
HDLC
44. Method for encapsulating datagrams over serial links
High-Level Data Link Control (HDLC) protocol
Toll network
High-Level Data Link Control (HDLC)
serial transmission
45. Which protocol in PPP is used to identify the routed protocols?
Point-to-Point Protocol (PPP)
Customer premises equipment (CPE)
NCP
Leased lines
46. 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
HDLC
Challenge Handshake Authentication Protocol (CHAP)
Network control Protocol (NCP)
PPP
47. Serial interfaces by default; connect into data communication equipment (DCE)
data terminal equipment (DTE)
Point-to-Point Protocol (PPP)
High-Level Data Link Control (HDLC) protocol
High-Level Data Link Control (HDLC)
48. When a router is connected to a Frame Relay WAN link using a serial DTE interface - how is the clock rate determined?
Password Authentication Protocol (PAP)
Asynchronous Transfer Mode (ATM)
Supplied by the CSU/DSU
Frame Relay
49. What is the reason why the serial link between the Corp router and the Remote router will not come up?
The layer 2 frame types are not compatible
It is Cisco proprietary
PPP - HDLC - Frame Relay
Demarcation point
50. Data Link and Physical layer specification that provides high performance; successor to X.25
LAPD
Point-to-Point Protocol (PPP)
Frame Relay
Link Control Protocol (LCP)