CH2

Question 1

What type of traffic always goes to all devices in a subnet?

Unicast
Multicast
Broadcast
Allcast

Answer 1

Broadcast

Broadcast traffic is sent from one device to all other devices in a subnet.
Unicast goes from one device to another device only.
Multicast goes from one device to many devices.
There is no such thing as Allcast.

Question 2

A switch blocks broadcasts?

True
False

Answer 2

False

A Switch passes broadcast.

Question 3

What is the difference between a Switch and a Router?

Nothing. They are the Same.
Switches do not pass broadcasts, but routers do.
A switch connects devices together, and a router connects subnets together.
A switch connects subnets together, and a router connects devices together.

Answer 3

A switch connects devices together, and a router connects subnets together.

Switches pass broadcasts, but routers do not pass broadcasts.

Question 4

Bridges can connect dissimilar physical topologies?

True
False

Answer 4

True

Bridges can connect dissimilar physical topologies such as twisted pair on one network with fiber-optic connections on another network.

Question 5

A Firewall uses _______ to filter both inbound and outbound traffic?

Answer 5

Rules

The most basic hardware- or network-based firewall is simply a router with rules. These rules control both inbound and outbound traffic.

Question 6

A network-based firewall is a hardware device that provides protection for a network. What is a host-based Firewall?

Answer 6

A software component that provides protection for a single system.

Network-based firewalls include both hardware and software.

Question 7

A Crossover Cable is used to connect a computer to a switch?

True
False

Answer 7

False

A Crossover Cable is used to connect similar devices such as a switch to a switch, or a switch to a router.
A Straight-Through Cable is used to connect a computer to a switch.

Question 8

Which of the following standards define how twisted-pair cables should be wired?

IEEE 802.3
RFC 791
Extranet Wiring Practices
T568B

Answer 8

T568B

Defines the standard color code for twisted-pair cables.

Question 9

A Company wants to host a web server for Internet users. The web server should be placed in ________?

Answer 9

a perimeter network or (DMZ).

A Perimeter network provides a layer of protection for systems that are accessible from the Internet.

Question 10

What is used to provide access to a company’s resources via the Internet to trusted partners?

Answer 10

An Extranet

An Extranet is accessible via the internet but only to trusted entities.