NETWORKING FUNDAMENTALS 98-366 Online Expert Flashcards

1
Q

What are 3 reserved private IP address ranges?

A
  1. 0.0.0 - 10.255.255.255
  2. 16.0.0 - 172.31.255.255
  3. 168.0.0 - 192.168.255.255
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2
Q

ISDN stands for?

A

Integrated Services Digital Network

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3
Q

2 types of network cable are?

A

data straight-through cable

crossover cable

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4
Q

Data straight-through cables are used to connect which items to which OSI layer?

A

nodes to OSI layers 1

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5
Q

Which type of cable can connect a PC directly to another PC (similar devices)?

A

crossover cable

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6
Q

An RJ-45 cable is which category?

A

Cat 5

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7
Q

How many bytes long is a MAC address

A

6

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8
Q

What is a MAC address

A

a unique identifier assigned to network interfaces

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9
Q

Which are uses of the layer 2 switches? Choose all that apply.

A

ATM
ethernet
fiberoptic cables

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10
Q

ATM stands for?

A

Asynchronous Transfer Mode

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11
Q

__________ is/are multiple switches within an environment to make a redundant link, so if a switch fails, they are still able to connect with the destination.

A

switch link redundancy

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12
Q

What is the purpose of MAC tables?

A

decides where data frames are forwarded

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13
Q

__________ establishes a dedicated circuit for the duration of the transmission.

A

circuit switching

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14
Q

3 types of switches are?

A

circuit
packet
cell

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15
Q

Which are functions of packet switching? Choose all that apply.

A

Most common form of data exchange.

Transmission broken into smaller non-fixed length pieces and individually transmitted.

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16
Q

ATM stands for?

A

Asynchronous Transfer Mode

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17
Q

__________ are hardware or software devices that interchange data packets between computer networks.

A

routers

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18
Q

Which action does tracert perform?

A

Trace how many routers from one location to another

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19
Q

RRAS stands for?

A

Routing Remote Access Service

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20
Q

Which are options of different routers? Choose all that apply.

A

Static

Dynamic

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21
Q

Which type of routing learns routes automatically from other routes in a network?

A

dynamic

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22
Q

By which method are metrics derived in dynamic routing?

A

Algorithms are used against the routing table

23
Q

Which item is necessary for computers and routers to communicate with others?

A

IP address

24
Q

Which technology is used by Windows systems for software routing and VPN connections into a Microsoft network?

A

RRAS (Routing and Remote Access Service)

25
Q

RRAS can be used for which connections? Choose 5.

A
LAN to LAN
LAN to WEP
WAN to LAN
LAN to WAN
WAN to WAN
26
Q

Which was the first instance of Ethernet cables used in 10Base5 and 10Base2 networks?

A

Coaxial

27
Q

Which are characteristics of UTP cables? Choose all that apply.

A

Pairs of wires are twisted
Signals are carried along one pair
Signals are carried using both pairs
Contains 8 individual color-coded copper wires
Uses an RJ-45 connector as the computer connection

28
Q

CIDR stands for?

A

Classless Interdomain Routing

29
Q

CIDR does?

A

represents ranges of class C addresses in a single entry

30
Q

OSI layer 1 does?

A

defines transmission media and how they connect

31
Q

OSI layer 2 does?

A

provides error free, physical transmission

32
Q

OSI layer 3 does? 3 things

A

Address info to route between networks
Frame fragmentation
Map logical & physical addresses

33
Q

OSI layer 4 does? 2 things

A

Delivers error free sequences

Protects against data loss & duplication

34
Q

Frame fragmentation is?

A

fragmenting and reassembling data packets

35
Q

OSI layer 5 does?

A

establishes, maintains, terminates sessions between processes on different computers

36
Q

MX stands for?

A

Mail Exchange

37
Q

An MX record does?

A

identifies mail servers

38
Q

SOA stands for?

A

Start of Authority Record

39
Q

SOA does

A

identifies a zone’s primary DNS server

40
Q

NS record stands for?

A

Name Server record

41
Q

IPSec does?

A

encrypts & authenticates packets across the network

42
Q

The IPv4 loopback address is what sequence?

A

127.0.0.1

43
Q

The IPv4 multicast address range is?

A

224.0.0.0 - 239.255.255.255

44
Q

The IPv6 local loopback address is what sequence?

A

::1

45
Q

The prefix for an IPv6 link-local unicast address is?

A

FE80

46
Q

An IPv6 address has how many bits?

A

128

47
Q

An IPv4 address has how many bits?

A

32

48
Q

RADIUS does?

A

authenticates & authorizes VPN & dial-up clients

49
Q

IPv6 site local addresses must begin with?

A

FECO

50
Q

What TCP/IP command resolves IP addresses to MACs?

A

arp command

51
Q

___ is used to map NetBIOS names to IP addresses?

A

WINS

52
Q

WINS stands for?

A

Windows Internet Name Service

53
Q

A IPv6 link-local ISATAP address consists of what 2 parts?

A

FE80::5EFE, followed by an IPv4 address