Lesson 7: Understanding Wide Area Networks
23 Questions
| Total Attempts: 328
Questions and Answers
- 1.What routing protocol is the most popular distance-vector routing algorithm used to determine the best routes within a network?
- A.
RIP
- B.
OSPF
- C.
BGP
- D.
IGMP
- 2.What routing protocol is the most popular link-state protocol used within a large organization?
- A.
RIP
- B.
OSPF
- C.
BGP
- D.
IGMP
- 3.What technology takes data and breaks them into packets and sends them over a network, sometimes using different routes for each packet?
- A.
Circuit switching
- B.
Connection switching
- C.
Packet switching
- D.
Network switching
- 4.X.25 and Frame Relay are examples of what type of WAN technology?
- A.
Circuit switching
- B.
Connection switching
- C.
Packet switching
- D.
Network switching
- 5.What device acts as a high-speed modem for a LAN?
- A.
Analog modem
- B.
Telco incoming router
- C.
Packet switcher
- D.
CSU/DSU
- 6.What does X.25 use as its DTE device?
- A.
Telco incoming router
- B.
Packet switcher
- C.
Analog modem
- D.
PAD
- 7.What part of the network is the point where the responsibility of the administrator ends and the telecommunications provider’s responsibility begins?
- A.
Last mile
- B.
Demarc
- C.
Router array
- D.
PAD interface
- 8.What is the primary disadvantage of X.25?
- A.
Digital circuit
- B.
Small data payloads
- C.
Circuit switching
- D.
Slow speeds
- 9.When a packet traverses a network, each router is a _____.
- A.
Jump point
- B.
CSU/DSU
- C.
Jump switch
- D.
Hop
- 10.When you have multiple circuits connected to a site, the entire circuit is known as a ___________.
- A.
Virtual circuit
- B.
Emulated circuit
- C.
Joined circuit
- D.
Multitasked circuit
- 11.What replaced X.25?
- A.
Frame Relay
- B.
ATM
- C.
ISDN BRI
- D.
DSL
- 12.At what speed does a T3 line run?
- A.
1.5 Mbps
- B.
4.5 Mbps
- C.
44.7 Mbps
- D.
128 Mbps
- 13.In Europe, what circuit would be similar to the T1 found in the United States?
- A.
E1
- B.
J1
- C.
T2
- D.
F1
- 14.How many B channels does an ISDN PRI support?
- A.
2
- B.
8
- C.
23
- D.
48
- 15.What speed does FDDI use?
- A.
10 Mbps
- B.
44 Mbps
- C.
54 Mbps
- D.
100 Mbps
- 16.What topology does FDDI use?
- A.
Bus
- B.
Star
- C.
Ring
- D.
Mesh
- 17.What technology uses wires from the telephone company to provide broadband Internet connection?
- A.
Cable
- B.
DSL
- C.
FDDI
- D.
Frame Relay
- 18.[Blank] is used to send packets from one network to another network.
- 19.[Blank] is a route that must be manually defined on each router.
- 20.[Blank] uses a clocking circuit to control the timing of communications between two WAN devices such as routers.
- 21.A [Blank] is the guaranteed certain amount of information provided by a circuit or line.
- 22.What speed does a T1 run at?
- 23.How fast is a DS0 circuit?
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