Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

March 2017 E-6 IT1 Exam > NAVEDTRA 14224, Ch. 1 > Flashcards

NAVEDTRA 14224, Ch. 1 Flashcards

1
Q

Which type of network are the workstations in close proximity to each other, usually within the same building?

A

Local Area Network (LAN)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which type of network are the workstations basewide as in one command connected to another
command or one base connected to another base?

A

Metropolitan Area Network (MAN)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

How many primary modes of system operation are there?

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How many common situations for rebooting the system are there?

A

4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which term refers to the process of recording events and using that information to detect usage violations or to confirm that network procedures are operating correctly?

A

Auditing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is defined as a mechanism by which one computing element can get the attention of another element?

A

Interrupt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How many Interrupt Request Lines (IRQs) for hardware interrupts are there in a PC environment?

A

16

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is defined as a connection on the back of a computer where you connect peripherals, switches, networks, or other devices?

A

Port

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Which type of hardware connection is used to send data one bit at a time and is very good for sending information over a long distance?

A

Serial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which names are reserved by DOS to reserve the first serial and parallel ports, respectively?

A

COM1 and LPT1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

During the pinging process what is the ping that is sent out called?

A

Echo message

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What prevents files from being updated by more than one user at a time?

A

Data Integrity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which term refers to duplicate hardware and network facility segments that are available at all times?

A

Redundancy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the physical arrangement of a LAN’s components called?

A

Topology

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are the three major types of LAN configurations or topologies?

A

Star, bus, and ring

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which type of network is each component connected directly to the central computer or network server?

A

Star

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Which type of network are all components or nodes connected to the same cable, and the far ends of this cable never meet?

A

Bus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Of all the topologies which is the least reliable because it has a single point of failure?

A

Star

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is the wiring concentrator which allows workstations to be either inserted or bypassed on the ring?

A

Multistation Access Unit (MAU)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What define how networks establish communications between elements, exchange information, and terminate communications?

A

Potocols

21
Q

How many major functions do protocols have?

A

2

22
Q

Which control procedure sends multiple blocks of data and returns a single acknowledgement for many blocks, thereby increasing the amount of time spent transmitting data?

A

SDLC

23
Q

What are the two principal network access methods?

A

Contention and Token passing

24
Q

How many layers does the OSI model consist of?

A

7

25
Q

What provides a basis for coordinating the development of standards that relate to the flexible interconnection of incompatible systems using data communications facilities?

A

Open systems Interconnection (OSI) model

26
Q

Which layer of the OSI model is the physical layer?

A

1

27
Q

Which layer of the OSI model is the data link layer?

A

2

28
Q

Which layer of the OSI model is the network layer?

A

3

29
Q

Which layer of the OSI model is the transport layer?

A

4

30
Q

Which layer of the OSI model is the session layer?

A

5

31
Q

Which layer of the OSI model is the presentation layer?

A

6

32
Q

Which layer of the OSI model is the application layer?

A

7

33
Q

Which layer of the OSI model addresses the electrical, mechanical, and functional interface to the carrier?

A

Physical

34
Q

Which layer of the OSI model provides error-free transmission of information over the physical medium?

A

Data link

35
Q

Which layer of the OSI model decides which physical pathway the data should take?

A

Network

36
Q

Which layer of the OSI model ensures data units are delivered error-free, in sequence, with no losses or duplications?

A

Transport

37
Q

Which layer of the OSI model performs the functions that enable two applications to communicate across the network, performing security, name recognition, logging, administration, and other similar functions?

A

Session

38
Q

Which layer of the OSI model provides a common representation of data that can be used between the application processes?

A

Presentation

39
Q

Which layer of the OSI model provides data encryption for privacy and authentication?

A

Presentation

40
Q

Which layer of the OSI model represents the services that directly support users and application tasks?

A

Application

41
Q

What is by far the cheapest type of transmission media?

A

Twisted-wire pairs

42
Q

What are the two most common types of twisted-pair media?

A

22 and 24 gauge

43
Q

What is the transmission rate of a T1 line?

A

1.5 Mbps

44
Q

What is the transmission rate of a T2 line?

A

6.3 Mbps

45
Q

What is the transmission rate of a T3 line?

A

46 Mbps

46
Q

What is the transmission rate of a T4 line?

A

281 Mbps

47
Q

Coaxial cable is used extensively in local-area networks whenever the distance involved is relatively short, generally less than 2 miles for baseband LANs and how many miles for broadband LANs?

A

10

48
Q

What is defined as a software package that makes it possible to implement and control a network and enables users to use the resources and services on that network?

A

Network Operating System (NOS0

49
Q

What are used to secure a Local Area Network from a public network?

A

Firewalls

March 2017 E-6 IT1 Exam (83 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions