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Mainframe > Essentials of Networking > Flashcards

Essentials of Networking Flashcards

1
Q

The _______________ format is shorthand for representing strings of ones and zeros.

Alphanumeric
Hexadecimal
Exponential
Matrix

A

Hexadecimal

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2
Q

RJ-45 is visibly much _______________ than RJ-11.

Thinner
Wider
Longer
Shorter

A

Wider

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3
Q

You connect a workstation to the wall outlet with a _______________.

Repeater
Hub
Ethernet cable
Router

A

Ethernet cable

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4
Q

What tool is used to verify that all the individual wires are properly connected and in the correct location in a cable?

RJ-45 crimper
Volt meter
Wire snips
Cable tester

A

Cable tester

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5
Q

Which Cat level supports 10-Gbps networks at 100-meter segments and provides shielding for individual wire pairs reducing crosstalk and noise problems?

Cat 5e
Cat 6a
Cat 6e
Cat 7

A

Cat 7

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6
Q

What component connects LANs into a WAN?

Hub
Router
Modem
Repeater

A

Router

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7
Q

How many binary characters are represented by one hexadecimal character?

Two
Four
Eight
Ten

A

Four

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8
Q

Which connector is typically used in Ethernet?

RJ-45
RJ-11
RG-58
AWG 22–26

A

RJ-45

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9
Q

Which device makes all computers share a given bandwidth?

Switch
Hub
Router
DNS server

A

Hub

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10
Q

What term describes a group of networked computers that are typically located no more than a few hundred meters apart at most?

LAN
Homegroup
Domain
Workgroup

A

LAN

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11
Q

How long is a MAC address?

16 bits
32 bits
48 bits
64 bits

A

48 bits

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12
Q

What term refers to the maximum speed at which data can be transferred?

Bandwidth
Redundancy
Amplitude
Velocity

A

Bandwidth

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13
Q

Network people call anything that one computer might share with another a _______________.

Segment
Datagram
Resource
Frame

A

Resource

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14
Q

How do you represent the hexadecimal value A in binary?

1110
1011
1100
1010

A

1010

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15
Q

A good patch cable should include a _______________.

Boot
Clip
Buckle
Clasp

A

Boot

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16
Q

What is used to make a patch cable?

Solid cables
Twisted pair cables
Loose cables
Half-duplex cables

A

Twisted pair cables

17
Q

A device that goes into a 7-inch space is called a _______________.

Crimper
Boot
Punchdown block
4U

A

4U

18
Q

What is the general cable distance limit of an Ethernet segment?

300 yards
100 meters
One mile
1000 meters

A

100 meters

19
Q

1000BaseT needs all _______________ pairs of wires in CAT 5e and higher cables.

Two
Three
Four
Five

A

Four

20
Q

How are MAC addresses represented?

Using 32 binary digits
Using 12 hexadecimal characters
As an IP address
As a DNS name

A

Using 12 hexadecimal characters

21
Q

All network interfaces cards (NICs) have a(n) _______________ “burned” into them.

Domain name
DNS name
IP address
MAC address

A

MAC address

22
Q

Digital Equipment, Intel, and Xerox invented the first network in the mid-1970s and created what eventually became _______________.

Ethernet
NetBEUI
TCP/IP
NetBIOS

A

Ethernet

23
Q

_______________ are a part of the frame.

Hosts
Packets
Datagrams
Protocols

A

Packets

24
Q

Network technologies that use _______________ light use single-mode fiber optic cabling.

Blue
Fluorescent
Laser
Incandescent

A

Laser

25
Q

A MAC address is a(n) _______________ number.

Hexadecimal
Segmented
Randomized
Inverse

A

Hexadecimal

26
Q

How wide are all equipment racks?

16 inches
19 inches
20 inches
24 inches

A

19 inches

27
Q

What hexadecimal value is represented by the binary value 1101?

B
C
D
E

A

D

28
Q

What topology does Ethernet use?

Loop
Star bus
Bus
Star-Ring

A

Star bus

29
Q

Ethernet standards generally require _______________ pairs of wires.

Two
Three
Four
Five

A

Four

30
Q

Which connector connects your computer to the network jack in the wall of your office?

RJ-45
RJ-11
RG-58
AWG 22–26

A

RJ-45

31
Q

Data typically moves from one PC to another in via _______________.

Packets
Bursts
Segments
Token ring

A

Packets

Mainframe (29 decks)

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