Wk6_chapter 4 questions and answers Flashcards Preview

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Flashcards in Wk6_chapter 4 questions and answers Deck (55):
1

A UTP's category will determine the maximum number of bits it can transmit.

TRUE

2

With a standard bus topology, contention and collision are defining characteristics.

TRUE

3

Troubleshooting tools are based on software only.

FALSE

4

A topology has only physical characteristics.

FALSE

5

An Ethernet MAC address is usually specified in:

hex octets

6

The IEEE formalized the ring topology as the 802.3.

FALSE

7

In a peer-to-peer TCP/IP LAN, a host might serve as a client, a server, or both.

TRUE

8

NICs supporting different Mbps capacity could be used in a 100BaseTX LAN.

TRUE

9

The maximum length of a standard Cat 5 segment:

100 meters

10

A star topology has a central controlling device.

TRUE

11

A LAN that uses dedicated servers is called a peer-to-peer LAN.

FALSE

12

A bus topology forms a closed loop.

FALSE

13

A NIC is always internal to the device, connecting to the device's motherboard.

FALSE

14

Cost has helped make 802.3 the first choice for most LAN topologies.

TRUE

15

Client devices that connect to a network require:

both a physical address and a logical network address

16

Cache memory is usually slower than hard drive access.

FALSE

17

An advantage of a physical and logical star topology is that it:

centralizes management of network resources

18

A NIC is also referred to as a:

adapter card

19

Wiring closets are usually physically secured.

TRUE

20

Category 5 cable should be used in segments of no more than 100 feet.

FALSE

21

LAN resources might include:

all of the following: hardware, software, data

22

NICs are an optional component of each device in a network.

FALSE

23

In a switching hierarchy, a frame could take more than one path from source to destination.

FALSE

24

The protocol associated with the bus topology:

802.3

25

LAN components are physical and logical.

TRUE

26

Compared to standard servers, blade servers are generally:

smaller and consume less power

27

Terminals are often associated with the classic star topology.

TRUE

28

A physical star could also be a logical:

star or ring

29

Hardware devices often have a logical component called a:

device driver

30

The digits in an Ethernet MAC address that specify the internal serial number:

last six

31

A 32-bit bus can handle ________ times the data bits as an 8-bit bus.

4

32

Routers have displaced many switches in modern networks.

FALSE

33

Eight bits as a unit is an octet.

TRUE

34

In the past, devices connected to a mini- or mainframe computer through:

terminals

35

Peer-to-peer LANs:

do not require specialized server software

36

Fast Ethernet LANs that use switches can be greater than 250 meters in diameter.

TRUE

37

Term used to describe a signal that is recreated at its original strength:

regenerated

38

A higher cable category represents a smaller cable size.

FALSE

39

Physical components are frequently referred to as:

hardware

40

Two hard drives that share the same controller may be performing:

disk mirroring

41

A 802.5 network utilizes a device called a:

MAU

42

Switches, in general, cost less than routers.

TRUE

43

Server primary memory is also referred to as buffer or cache memory.

FALSE

44

Switches create dedicated circuits for the devices connected to them.

TRUE

45

Two or more NICs, by design or intent, often have the same physical address.

FALSE

46

Servers typically fulfill a generalized, nonspecific function.

FALSE

47

A topology's physical and logical characteristics are always the same.

FALSE

48

Ethernet is the most common topology used in LANs today.

TRUE

49

Reduced resistance translates into slower transmission speeds.

FALSE

50

A key indicator of LAN performance is response time to a request.

TRUE

51

A bus topology:

all of the following: views its circuit as a single cable, des not form a closed loop, is often associated with ethernet

52

Physical components are frequently referred to as hardware.

TRUE

53

Hard drive access speed can affect a server's performance.

TRUE

54

A network login generally requires:

only a suer id and only a password

55

Ethernet is also referred to as a ring topology.

FALSE