2.3 – Given a scenario, install and configure a basic wired/wireless SOHO network Flashcards

1
Q
Which of the following allows for network throttling of individual computers or
applications?
 ❍ A. QoS
 ❍ B. Port forwarding
 ❍ C. DMZ
 ❍ D. DHCP
A

A. Quality of service (QoS) is a technology used in SOHO routers that can throttle
bandwidth and give higher priority to individual computers or applications. Port
forwarding is used to forward outside network ports to internal IP addresses. A
demilitarized zone (DMZ) is a protected area between the LAN and the Internet—
often inhabited by company servers. The Dynamic Host Configuration Protocol
(DHCP) is the protocol in charge of automatically handing out IP address information to clients.

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2
Q
2. Which of the following forwards an external network port to an internal IP
address/port on a computer on the LAN?
 ❍ A. NAT
 ❍ B. Port forwarding
 ❍ C. DMZ
 ❍ D. DHCP
A

B. Port forwarding is used to forward external network ports to an internal IP and
port. This is done so a person can host services such as FTP internally. Network
address translation (NAT) is used by most routers to convert the internal network
of IP addresses to the single public IP address used by the router. The demilitarized zone (DMZ) is an area that is protected by the firewall but separate from
the LAN. Servers are often placed here. DHCP is the protocol that governs the
automatic assignment of IP addresses to clients by a server.

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3
Q
Which of the following is described as the simultaneous sending and receiving of
network data?
 ❍ A. Half-duplex
 ❍ B. Latency
 ❍ C. PoE
 ❍ D. Full-duplex
A

D. Full-duplex is when a network adapter (or other device) can send and receive
information at the same time. Half-duplex is when only sending or receiving can
be done at one time. Latency is the delay it takes for data to reach a computer
from a remote location. PoE is Power over Ethernet, a technology that allows
devices to receive data and power over an Ethernet network cable.

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