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Intro to network concepts > Wrong answers test 3 > Flashcards

Wrong answers test 3 Flashcards

1
Q

Which layer in the TCP model has TCP as its main protocol?
Application
Network Access
Transport
Internet

A

Transport

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2
Q

Which type of network cables can carry signals over the longest distances
twisted-pair
multimode fiber
coaxial
single-mode fiber

A

single-mode fiber

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3
Q

True or false: a firewall can be a hardware device

A

true

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4
Q

True or false: A secondary name gets it data from another name server using his own transfer

A

true

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4
Q

True or false: a firewall can be a software package

A

true

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5
Q

True or false: a firewall is a special room to protect servers

A

false

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6
Q

True or false: AAA records resolve host names, through IPV4 addresses

A

false

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7
Q

True or false: entries in a HOSTS file on a local computer take precedence over DNS

A

true

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8
Q

which 2 are tunnels used to transmit IPv6 address info over IPv4
ISTAPA
Teredo
VPN
GRE

A

ISTAPA
Teredo

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9
Q

You need to connect a network adapter to a switch. you need the connection to be able to send and receive data at the same time. What type of connection should you use?
Gigabit
full duplex
half duplex
simplex

A

full duplex

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10
Q

what WAN tech uses dedicated phone lines to connect to telco provider offices?
ISDN
Cable modems
DSL

A

DSL

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10
Q

what WAN tech is uses connections over shared broadband
ISDN
Cable modems
DSL

A

Cable modems

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11
Q

what WAN tech uses two 4kbps channels
ISDN
Cable modems
DSL

A

ISDN

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12
Q

Which is the local loopback address in IPv6?
::0
::1
::87
::127

A

::1

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13
Q

What network service allows or blocks data packets
remote access server
NAT
firewall
VPN
DHCP

A

firewall

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14
Q

What network service authenticates a user from an external network
remote access server
NAT
firewall
VPN
DHCP

A

remote access server

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15
Q

What network service distributes IP addresses
remote access server
NAT
firewall
VPN
DHCP

A

DHCP

16
Q

What network service makes a request from a private IP address routable?
remote access server
NAT
firewall
VPN
DHCP

A

NAT

17
Q

What network service uses a public network for private data communications
remote access server
NAT
firewall
VPN
DHCP

A

VPN

18
Q

True or false: a router is used to separate multiple networks

A

True

19
Q

True or false: a VLAN is typically configured on a router

A

False

20
Q

True or false: NAT is the mapping of a private LAN IP address

A

True

21
Q

True or false: public websites are accessed through port 25

A

False

22
Q

True or false: decured websites are accessed through port 443 by default

A

True

23
Q

True or false: unsecured websites are accessed through port 80 by default

A

True

24
Q

which two types of servers are typically placed in a perimeter network
print
email
file
web

A

email and web

25
Q

what ping command assigns a specific number of packets to transmit
ping 127.0.0.1
ping -t
ping -n
ping -l

A

ping -n

26
Q

what ping command continuously pings a remote host until stopped
ping 127.0.0.1
ping -t
ping -n
ping -l

A

ping -t

27
Q

what ping command sends four packets to the local loopback address
ping 127.0.0.1
ping -t
ping -n
ping -l

A

ping 127.0.0.1

28
Q

what ping command specifies the size of the packet to transmit
ping 127.0.0.1
ping -t
ping -n
ping -l

A

ping -l

29
Q

which cable hits 1 gbps
cat5e
cat5
cat3
cat2

A

cat5e

30
Q

which cable hits 10 mbps
cat5e
cat5
cat3
cat2

A

cat3

31
Q

which cable 100 mbps
cat5e
cat5
cat3
cat2

A

cat5

32
Q

You must manually configure a computer with an IP address on the same network as a router. The router’s interface is configured as 192.168.1.100 with a subnet mask of 255.255.255.0. Which two options are valid ip addresses you could assign the computer
192.168.1.254
192.168.1.5
192.168.0.10
192.168.100.1
192.168.1.100
192.168.1.255

A

192.168.1.254 and192.168.1.5

33
Q

which role needs to be added to an on-premises windows server in order to endable routing through the server?
remote desktop services
remote access
windows deployment services
network controller

A

remote access

34
Q

Is the statement correct? If not, what is the right statement?
WAN is a connection that uses a dedicated phone line from a custoimer to a telco provider’s office
the statement is correct
ISDN
cable
DSL

A

DSL

35
Q

Which three layers on the OSI model makes up the application layer on the TCP model
Presentation
physical
network
application
data link
transport
session

A

Presentation, application, session

36
Q

which type of wireless network does not have a centralized device, such as a wireless access point or wireless router
Bridged
infrastructure
ad hoc
peer-to-peer

A

ad hoc

37
Q

Which two are examples of leased lines?
DSl
cable broadband
T1
Dial-ups

A

DSl and T1

38
Q

what is the primary disadvantage of a bus topology?

each node in the network acts as an independent router
it consists of one central switch, hub, or computer
one node or device contains multiple radio cards or modules
the network has a single point of failure

A

the network has a single point of failure

39
Q

What tool should you use to test if your ethernet cables are wired correctly?
toner
multimeter
Time domain refectometer (TDR)
cable tester

A

Cable tester

Intro to network concepts (5 decks)

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