The $\_\_\_\_$ layer is the OSI layer that handles routing.

The $\_\_\_\_$ layer is the OSI layer that handles routing.

application

network

transport

session

Question at position $2$

$2$

$4$ points

Question at position $2$

The lowest layer of the TCP$/$IP protocol suite is the network access or physical layer.

The lowest layer of the TCP$/$IP protocol suite is the network access or physical layer.

True

False

Question at position $3$

$3$

$4$ points

Question at position $3$

In a network architecture, as the packet moves up through the layers, the data packet shrinks in size.

In a network architecture, as the packet moves up through the layers, the data packet shrinks in size.

True

False

Question at position $4$

$4$

$4$ points

Question at position $4$

A$($n$)\_\_\_\_$ connection is a nonphysical connection between sender and receiver that allows an exchange of commands and responses.

A$($n$)\_\_\_\_$ connection is a nonphysical connection between sender and receiver that allows an exchange of commands and responses.

real

logical

encapsulated

physical

Question at position $5$

$5$

$4$ points

Question at position $5$

While selecting a medium for a computer network, it is important to consider not only the initial medium and installation $\_\_\_\_,$ but also the subsequent ones.

While selecting a medium for a computer network, it is important to consider not only the initial medium and installation $\_\_\_\_,$ but also the subsequent ones.

environment

security

speed

cost

Question at position $6$

$6$

$4$ points

Question at position $6$

$\_\_\_\_$ transmission uses a slightly thicker fiber cable and an unfocused light source, such as an LED.

$\_\_\_\_$ transmission uses a slightly thicker fiber cable and an unfocused light source, such as an LED.

Single$-$mode

Multimode

Reflection

Refraction

Question at position $7$

$7$

$4$ points

Question at position $7$

USB $3\mathrm{.}0$ is a full$-$duplex connection.

USB $3\mathrm{.}0$ is a full$-$duplex connection.

True

False

Question at position $8$

$8$

$4$ points

Question at position $8$

$\_\_\_\_$ twisted pair was designed to transmit $10$ Gbps of data over a local area network for distances up to $100$ meters $(328$ feet$).$

$\_\_\_\_$ twisted pair was designed to transmit $10$ Gbps of data over a local area network for distances up to $100$ meters $(328$ feet$).$

Category $5$e

Category $5$

Category $6$

Category $6$a

Question at position $9$

$9$

$4$ points

Question at position $9$

The $802\mathrm{.}11$b standard has a smaller maximum theoretical throughput than the $802\mathrm{.}11$a standard.

The $802\mathrm{.}11$b standard has a smaller maximum theoretical throughput than the $802\mathrm{.}11$a standard.

True

False

Question at position $10$

$10$

$4$ points

Question at position $10$

The $\_\_\_\_$ is used to connect local area networks to wide area networks.

The $\_\_\_\_$ is used to connect local area networks to wide area networks.

router

bridge

hub

repeater

Question at position $11$

$11$

$4$ points

Question at position $11$

The LAN topology that has the devices connected by a single hub is called $\_\_\_\_$ topology.

The LAN topology that has the devices connected by a single hub is called $\_\_\_\_$ topology.

bus wired tree

star

bus

star$-$wired bus

Question at position $12$

$12$

$4$ points

Question at position $12$

All bus networks share a major disadvantage: In general, it is difficult to add a new workstation if no tap currently exists.

All bus networks share a major disadvantage: In general, it is difficult to add a new workstation if no tap currently exists.

True

False

Question at position $13$

$13$

$4$ points

Question at position $13$

One of the biggest advantages of local area networks is their ability to share resources in an economical and efficient manner.

One of the biggest advantages of local area networks is their ability to share resources in an economical and efficient manner.

True

False

Question at position $14$

$14$

$4$ points

Question at position $14$

There are six basic forms of a classful IPv$4$ address: Class A$,$ B$,$ C$,$ D$,$ E$,$ and F$.$

There are six basic forms of a classful IPv$4$ address: Class A$,$ B$,$ C$,$ D$,$ E$,$ and F$.$

True

False

Question at position $15$

$15$

$4$ points

Question at position $15$

The $\_\_\_\_$ is the main telecommunications line through the network, connecting the major router sites across the country.

The $\_\_\_\_$ is the main telecommunications line through the network, connecting the major router sites across the country.

$$backbone

$$star topology

$$ARPANET

$$mid$-$level network

Question at position $16$

$16$

$4$ points

Question at position $16$

Current estimates suggest that there are more than $1\mathrm{.}5$ million active and inactive websites connected to the Internet.

Current estimates suggest that there are more than $1\mathrm{.}5$ million active and inactive websites connected to the Internet.

True

False

Question