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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. 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) protocol
Encapsulation ppp
Show interface serial 0
High-Level Data Link Control (HDLC)
2. Less secure; Passwords are sent in clear text
HDLC - LCP - NCP
Password Authentication Protocol (PAP)
LAPD
Point-to-Point Protocol
3. Which of that following is a packet-switching encapsulation?
DCE network
Frame Relay
PAP and CHAP
Point-to-Point Protocol (PPP)
4. Equipment that's owned by the subscriber and located on the subscriber's premises
Customer premises equipment (CPE)
Link Access Procedure - D-Channel (LAPD)
Point-to-Point Protocol (PPP)
data terminal equipment (DTE)
5. Write the commands to configure a username of todd and password of cisco that is used on a Cisco router
Username todd password cisco
Central office (CO) or point of presence (POP)
NCP
High-Level Data Link Control (HDLC) protocol
6. 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
Packet Switching - Circuit Switching - Leased Lines
Show interface serial 0
PPP - HDLC - Frame Relay
Circuit switching
7. Can encapsulate several layer 3 routed protocols and provide authentication - dynamic addressing - and callback
Frame Relay
Point-to-Point Protocol (PPP)
High-Level Data Link Control (HDLC) protocol
Link Access Procedure - D-Channel (LAPD)
8. 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)
Asynchronous Transfer Mode (ATM)
The layer 2 frame types are not compatible
Wide Area Network (WAN)
9. What is the reason why the serial link between the Corp router and the Remote router will not come up?
Toll network
EIA/TIA-232-C - V.24 - V.35 - and ISDN
The layer 2 frame types are not compatible
Username todd password cisco
10. Bit-oriented Data Link layer protocol
DCE network
High-Level Data Link Control (HDLC) protocol
Customer premises equipment (CPE)
EIA/TIA-232-C - V.24 - V.35 - and ISDN
11. Which are considered WAN connection types? (Choose three.)
PAP and CHAP
HDLC
Packet Switching - Circuit Switching - Leased Lines
High-Level Data Link Control (HDLC) protocol
12. How do you configure a serial interface to use PPP encapsulation?
DCE network
Encapsulation ppp
data terminal equipment (DTE)
Point-to-Point Protocol (PPP)
13. What is the default serial encapsulation used on Cisco routers?
Encapsulation ppp
HDLC
Point-to-Point Protocol (PPP)
Point-to-Point Protocol (PPP)
14. 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
The layer 2 frame types are not compatible
Network layer protocol phase
Point-to-Point Protocol (PPP)
HDLC - PPP - and Frame Relay
15. The spot where the service provider's responsibility ends and the CPE begins
Demarcation point
Authentication phase
data terminal equipment (DTE)
CSU/DSU
16. Which protocol in PPP is used to identify the routed protocols?
NCP
HDLC
Network control Protocol (NCP)
Point-to-Point Protocol (PPP)
17. Connects the demarc to the closest switching office - called a central office
Customer premises equipment (CPE)
High-Level Data Link Control (HDLC) protocol
Local loop
Network layer protocol phase
18. Which of the following protocols are used with ISDN as an out-of-band protocol?
Circuit switching
Link Access Procedure - D-Channel (LAPD)
LAPD
Link Control Protocol (LCP)
19. Nonproprietary
Point-to-Point Protocol
Point-to-Point Protocol (PPP)
serial transmission
Integrated Services Digital Network (ISDN)
20. Which type of port on a router is used for a T1?
Serial
Leased lines
Integrated Services Digital Network (ISDN)
Authentication phase
21. HDLC stands for what?
Wide Area Network
Authentication phase
Leased lines
High-Level Data Link Control
22. 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
It is Cisco proprietary
Password Authentication Protocol (PAP)
Point-to-Point Protocol (PPP)
23. To connect two DTE networks together through a DCE network
Leased lines
Wide Area Network (WAN)
Point-to-Point Protocol (PPP)
Frame Relay
24. WAN stands for?
Wide Area Network
Frame Relay
High-Level Data Link Control (HDLC) protocol
Point-to-Point Protocol (PPP)
25. What are common Data Link WAN encapsulations?
Serial
HDLC - PPP - and Frame Relay
EIA/TIA-232-C - V.24 - V.35 - and ISDN
Packet Switching - Circuit Switching - Leased Lines
26. What are the two PPP authentication methods?
Toll network
Link Control Protocol (LCP)
PAP and CHAP
Local loop
27. Which Data Link encapsulation can be used if you have one free serial interface and many remote offices to connect?
High-Level Data Link Control
Link Access Procedure - D-Channel (LAPD)
Frame Relay
Network control Protocol (NCP)
28. Method for encapsulating datagrams over serial links
LCP
Packet Switching - Circuit Switching - Leased Lines
Network layer protocol phase
High-Level Data Link Control (HDLC)
29. Serial interfaces by default; connect into data communication equipment (DCE)
Wide Area Network
High-Level Data Link Control (HDLC) protocol
Link Control Protocol (LCP)
data terminal equipment (DTE)
30. Which of the following encapsulations was considered an upgrade from x.25?
Config t - interface serial 0 - encapsulation ppp
Password Authentication Protocol (PAP)
Packet switching
Frame Relay
31. Uses the LCP (Link Control Protocol) to build and maintain data link connections
NCP
Point-to-Point Protocol (PPP)
Toll network
Local loop
32. Data Link and Physical layer specification that provides high performance; successor to X.25
EIA/TIA-232-C - V.24 - V.35 - and ISDN
PPP - HDLC - Frame Relay
High-Level Data Link Control (HDLC) protocol
Frame Relay
33. Proprietary
HDLC - Frame Relay - PPP
CSU/DSU
Supplied by the CSU/DSU
High-Level Data Link Control (HDLC) protocol
34. A trunk line inside a WAN provider's network; a collection of switches and facilities owned by the ISP
Network control Protocol (NCP)
Packet switching
Toll network
Config t - interface serial 0 - encapsulation ppp
35. 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
Local loop
Wide Area Network
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
Username todd password cisco
High-Level Data Link Control
Demarcation point
Network layer protocol phase
37. Physical layer international standard for serial communication
Password Authentication Protocol (PAP)
EIA/TIA-232-C - V.24 - V.35 - and ISDN
HDLC - Frame Relay - PPP
Packet switching
38. Uses MD5 challange/response
Frame Relay
Challenge Handshake Authentication Protocol (CHAP)
HDLC - PPP - and Frame Relay
Network layer protocol phase
39. Which encapsulations can be configured on a serial interface? (Choose three.)
The layer 2 frame types are not compatible
Integrated Services Digital Network (ISDN)
Point-to-Point Protocol
HDLC - Frame Relay - PPP
40. Which PPP protocol provides link establishment?
High-Level Data Link Control (HDLC) protocol
Network layer protocol phase
LCP
PPP
41. If you had one serial interface on your router and needed to connect many remote locations - which Data Link encapsulation should you use?
Frame Relay
Link establishment - Authentication phases (optional) - Network layer protocol phase
Frame Relay
Config t - interface serial 0 - encapsulation ppp
42. Data Link layer protocol that can be used over either asynchronous serial (dial-up) or synchronous serial (ISDN) media
Point-to-Point Protocol (PPP)
PPP
High-Level Data Link Control (HDLC) protocol
Wide Area Network (WAN)
43. 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
LAPD
Authentication phase
PPP
LCP
44. Method of establishing - configuring - maintaining - and terminating the point-to-point connection
HDLC - PPP - and Frame Relay
NCP
LCP
Link Control Protocol (LCP)
45. Used with ISDN at the Data Link layer (layer 2) as a protocol for the D (signaling) channel
Customer premises equipment (CPE)
Challenge Handshake Authentication Protocol (CHAP)
Encapsulation ppp
Link Access Procedure - D-Channel (LAPD)
46. If you have a T1 - what must you connect from your router to a demarc?
Username todd password cisco
data terminal equipment (DTE)
High-Level Data Link Control (HDLC)
CSU/DSU
47. A set of digital services that transmit voice and data over existing phone lines
Integrated Services Digital Network (ISDN)
Local loop
LAPD
Toll network
48. LCP packets are sent by each PPP device to configure and test the link
Show interface
Password Authentication Protocol (PAP)
Point-to-Point Protocol (PPP)
Link establishment phase
49. The default encapsulation used by Cisco routers over synchronous serial links
DCE network
High-Level Data Link Control (HDLC) protocol
Customer premises equipment (CPE)
Packet switching
50. Network Control Protocol (NCP) is used to allow multiple Network layer protocols (routed protocols) to be used on a point-to-point connection
Network control Protocol (NCP)
Frame Relay
Point-to-Point Protocol (PPP)
High-Level Data Link Control (HDLC) protocol