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