(1) Which topology connects each node to a common transmission line?
(4) Routers operate at which layer of OSI?
(d)Data Link layer
(5) CSMA/CD is commonly used in
6. What is NOT true about half-bridges?
A. They are also called WAN bridges
B. They work together in pairs
C. A & B
D. They are also called LAN bridges
8. What is NOT a characteristic of Repeaters?
A. Do not have filter function
B. Boost weak signal
C. Work on physical layer
D. Do not boost weak signal
9. TCP/IP is one of the Primary System Architectures, other architectures are:
- All the above
10 Each Host (Node) on a TCP/IP Internet is assigned a unique _____Internet address that is used in all communications with that host.
d. 256 -bit
11. The network ID ___cannot be used because this ID is reserved for loopback and diagnostic functions.
12. _____addresses are normally seen as four decimal integers separated by decimal points.
13. The term ______is usually used in reference to an IP layer packet that uses connectionless delivery of packets
14. Class ____ addresses are used on networks that haves large number of IP hosts.
16. InterNIC is responsible for registering your _____name.
- All the above
17. A ____can listen to a network and identify which parts are the busiest It uses this info in determining which path to send data over.
- Non of the above
18. Modular multi-LAN hubs are the most _____type of hubs.
- all the above
19. Which has no brain?
20. ______line will accommodate Ti and T2. T3 and T4 require a high4requency medium such as microwave or fiber optic.
- Twisted cable
- Non of the above
22. A _____determines if the incoming frame is destined for a device that is on the segment where the frame was generated.
23. Machines located on physical networks can only communicate if they know each other's physical network______.
- phone number
- ID number
24. ______is responsible for obtaining hardware addresses of TCP/IP hosts by using its IP address.
25. ______interconnect networks that have the same communications architecture but possibly different lower level architectures
26. Allocates bandwidth on the network by predefining time slots for user data to be placed
d. Asynchronous Transfer Mode
27.What does a host identify?
- IP address
- A host on the network
- All of the above
28.Which channels are known as B channels?
- I2a kbps
- 16 kbps
- 64 kbps
29.In SNMP, clients load a special program which is ------.
- Management program
- An agent in memory
- None of the above
30.Which of the following is the routing algorithm?
31. Repeaters are feasible only for relatively small LANs less than nodes.
32. Routers look at address not node address:
e)None of the above
33. IP addresses are normally seen as decimal integers separated by decimal points.
34.Into how many data channels do the base rate IDSDN divides its available bandwidth?
e)None of the above
35.The ______sends messages and errors regarding the delivery of a packet.
a)Local Area Transport
b)Internet Control Message Protocol
c)User Datagram Protocol
d)Address Resolution Protocol
36.______are feasible only for relatively small LANs (less than 100 nodes) which are confined to a small geographical area, such as one or two floors of an office building.
37.Which type of hub can connect multiple types of LANS and allow users to separate LANs into logical segments?
d)Modular Multi-Lan Hubs
38.Which of the following is true about Simple Network Management Protocol?
b)Forecasts capacity requirements
c)Based on the manager/agent model
d)A and B are true.
e)All of the above are true.
39. Devises, such as a computer, printer or router are usually referred to as what in a Network setting?
- Network Parts
- Network Topologies
40. TCP/IP is an acronym for:
- Total Control Protocol / Internet Protocol
- Transmission Control Protocol / Internet Protocol
- Travel Control Protocol / Internet Protocol
- Transmission Control Protocol / Intranet Protocol
41.Primary system architectures will include? Answer C.
- NSA, DECnet, TCP/IP.
- NSA, DECnet, AppleTalk.
- DECnet, AppleTalk.
- Answer A and B.
- All the above.
43.Where does the repeater operate? Answer E.
- Network layers.
- Application layers.
- Transport layers.
- Network layers.
- Physical layers.
44.Which of the following is true? Answer A.
- Hub has no brain, switch does.
- Both of hub and switch does not have brain.
- Switch has no brain, hub does.
- Both of hub and switch has brain.
- None of them is true.
45.Which of the following components are based on filtering IP addresses?
46.Half Bridges are also called.
47.Which of the following layer operate a Router.
48.Which of the following is a network component that centralizes circuit connections.
49.Who is in charge of Simple Management Network Protocol?
50.Under ______scheduling, the scheduler always dispatches the ready thread that has been waiting the longest.
a.First come first served (FCFS)
b.First come last served (FCLS)
51.Routers use network addresses in the controlling (or restricting) of the flow of network traffic is also known as ______.
b.Segmenting network traffic
53.Over time, the switch builds a table that associates ______addresses with port numbers.
55. Bridges perform functions such as ______and forwarding MAC frames.
56. Which type of gateway changes a protocol from that of one communication architecture to that of another a gateway handles difference upper level protocol.
- protocol changer
- protocol converter
- protocol transformer
58. How many Mbps is in a T1 line?
60. What maps internet addresses to physical addresses?
a. Address Resolution Protocol
b. Reverse Address Resolution Protocol
c. Internet Control Message Protocol
d. User Datagram Protocol
61. Where do bridges operate?
a. MAC (Media Access Control)
d. Bridge ports
e. MAC address
62. Which one is protocol dependent?
a. WAN bridges
63. What does NLSP stand for?
a. Network Layer Service Protocol
b. Network Layer Service Program
c. Network LAN System Protocol
d. Network Link Simple Program
e. Network Link Services Protocol
65.Hubs can also be divided into 2 categories based on
- switching capabilities
- high speed capabilities
- OSI layer
66._____ developed TCP/IP in the early 1970’s
67.What is a datagram?
- packet that is transferred independently of all other packets
- data transferred in a network
- a record of data
68.One of the following is an internetworking issue
- division of network into manageable pieces
- growing network becomes easy to manage
- need to disconnect separate networks
- network security
69. Hosts must know the ______address of the other hosts to communicate on a network. (RGV)
71. ______is the most widely used type of digital line at higher data speed. (RGV)
72. Class ______address bigin with a number from 1-127. (RGV)
75.Reverse Address Resolution Protocol (ARP) is the process of mapping_____.
(a)an IP address to a host hardware address
(b)a network node to a router
(c)a host hardware address to its IP address
(d)both (a) and (c)
76.UDP is a(n) ______delivery service.
77.The controlling of the flow of network traffic is known as ______.
78.Switches operate at the ______of the OSI Model.
b. Network Layer
c. Data Link Layer
d. Physical Layer
80.Half Bridges are also called.
b. Connected Bridge
d. Wan bridges
83.Who is in charge of Simple Management Network Protocol?
a. Computer staff
b. Executive Director
84.SONET is an system standard that uses a basic transmission rate of 51.84 mbps for which communication medium?
a. twisted pair cables
b. coaxial cables
c. fiber optics
d. wireless communication
85.A T1 carrier digital communication circuit is multiplexed into how may channels?
86.A hub where internetworking modules also connect to the chassis and support bridge and router capabilities can be referred to as
a. a collapsed backbone
b. a non-switching hub
c. multistation access unit
d. stackable hub
87.Bridges operate on frames and have
a. no regard for frame content
b. perform filtering functions
c. perform frame forwarding functions
d. all of the above
88.A repeater connects one segment of a LAN with another and
a. is best used over a large geographical area
b. regenerates electrical signals from one segment of cable to another
c. cannot connect two different types of media
d. none of the above
89. Each host node on a TCP/IP internet address is assigned a unique ______address that is used in all communications with that host. [rbs]
90. Class B addresses begin with numbers ______. [rbs]
91. The data link later ______. [rbs]
a)establishes and manages communication sessions.
b)is the interface between network software and hardware.
c)is the layer at which communication between devices actually takes place.
d)formats messages into packets suitable for transmission over the internet.
92. Topology is a ______. [rbs]
a)physical arrangement of node connections
b)logical arrangement of message flow
c)neither a or b
d)both a and b
93. The term______is usually used in reference to an IP layer packet that uses c connectionless delivery of packets. (Thien)
94.A______repeater connects one segment of a LAN to another, possibly connecting different types of media.(Thien)
95.They operate on frames and have no regard for the content of the frame, ______perform functions such as filtering and forwarding MAC frames.(Thien)
96. The______operates at the physical layer, that operates as a central connection point and joins lines in S star network configuration.(Thien)
97. A______is a device that consists of many high-speed ports connecting either LAN segments or individual devices on a port-by-port basis.(Thien)