Test Bank For A Guide to Designing and Implementing Local And Wide Area Networks, 2nd Edition Michael Palmer, Bruce Sinclair

Test Bank For A Guide to Designing and Implementing Local And Wide Area Networks, 2nd Edition Michael Palmer, Bruce Sinclair

Chapter 2 – LAN/WAN Interconnectivity

TRUE/FALSE

1.Taken together, the set of layers of the OSI model is called a stack.

ANS: T PTS: 1 REF: 44

2.SSL is a data encryption technique employed between a server and a client.

ANS: T PTS: 1 REF: 83

3.Typically, if a network has a low startup cost, there will be a low cost to maintain it.

ANS: F PTS: 1 REF: 58

4.In a traditional ring design, there are two terminators.

ANS: F PTS: 1 REF: 61

5.When data is transmitted in Ethernet communications, it is encapsulated in frames.

ANS: T PTS: 1 REF: 65

6.It is okay to use Ethernet II and standard 802.3 frames among the same communicating nodes on the same network.

ANS: F PTS: 1 REF: 66

7.All MAUs must have terminators.

ANS: F PTS: 1 REF: 68

8.When using FDDI, it is possible for several frames from several nodes to be on the network at a given time.

ANS: T PTS: 1 REF: 71

9.The telephone companies were the earliest source of WAN connectivity.

ANS: T PTS: 1 REF: 72

MODIFIED TRUE/FALSE

1.The figure above is a representation of a(n) digital signal. _________________________

ANS: F, analog

PTS: 1 REF: 44

2.Flow control ensures that one device does not send information faster than it can be received by another device. _________________________

ANS: T PTS: 1 REF: 49

3.The number, size, and frequency of packets transmitted on a network in a given amount of time is referred to as network usage. _________________________

ANS: F, network traffic

PTS: 1 REF: 58

4.A(n) backbone is a high-capacity communications medium that joins networks and central network devices on the same floor in a building, on different floors, and across long distances. _________________________

ANS: T PTS: 1 REF: 63

5.Discovery is the process of checking communication cable for a specific voltage level indicating the presence of a data-carrying signal. _________________________

ANS: F, Carrier sense

PTS: 1 REF: 64

6.The token ring transport method uses a physical star topology along with the logic of a(n) ring topology. _________________________

ANS: T PTS: 1 REF: 67

7.A(n) broadcast frame is one that is sent to all points on the network. _________________________

ANS: T PTS: 1 REF: 70

8.A(n) T-carrier line is a dedicated telephone line that can be used for data communications to connect two different locations for continuous point-to-point communications. _________________________

ANS: T PTS: 1 REF: 74

9.Throughput is the transmission capacity of a communications medium, which is typically measured in bits per second or hertz, and which is determined by the maximum minus the minimum transmission capacity. _________________________

ANS: F, Bandwidth

PTS: 1 REF: 77

MULTIPLE CHOICE

1.The OSI is the product of which standards organization?

ANS: D PTS: 1 REF: 42

2.____ encoding assigns a binary value to the presence of a particular signal state.

ANS: B PTS: 1 REF: 45

3.____ encoding simply checks for a change in the signal state, from low to high or high to low.

ANS: C PTS: 1 REF: 45

4.EMI is a source of ____ layer interference.

ANS: C PTS: 1 REF: 46

5.The MAC sublayer of the Data Link layer does not ____.

ANS: A PTS: 1 REF: 47

6.A device’s MAC address is coded as a ____ number.

ANS: C PTS: 1 REF: 47

7.____ is a process used by routers that involves gathering information about how many nodes are on a network and where they are located.

ANS: D PTS: 1 REF: 48

8.The ____ layer offers a way to set up half- and full-duplex communications.

ANS: C PTS: 1 REF: 51

9.____ protocols enable an OSI layer on a sending node to communicate with the same layer on the receiving node.

ANS: B PTS: 1 REF: 54

10.A primitive is ____.

ANS: A PTS: 1 REF: 55