Deck 2: Network Hardware Essentials

Question 1

Routers do not forward broadcast packets.

Answer 1

True

Question 2

A computer's default gateway setting is the MAC address of a router on a remote network.

Answer 2

False

Question 3

A MAC address is composed of two 24-bit numbers. What does the first 24-bit number represent?

A) A unique serial number assigned by the manufacturer.
B) The address it uses for a multicast packet.
C) The decryption key used for security purposes.
D) The organizationally unique identifier.

Answer 3

D

Question 4

How does a switch "learn" MAC addresses?

A) All the MAC addresses must be entered manually.
B) The switch comes loaded with the most frequently used addresses.
C) It reads the source address and keeps a record of which port the sending computer is on.
D) The switch uses a mathematical formula to determine what the MAC address would be for each computer connected to it.

Question 5

Just as a switch keeps records of MAC addresses that it has learned, so does your computer. What protocol does your computer use to learn MAC addresses?

A) ARP
B) ICMP
C) DHCP
D) IP

Question 6

The name assigned to a wireless network is called the SSID.

Question 7

What type of frame is addressed to a specific computer?

A) broadcast
B) unicast
C) multicast
D) anycast

Question 8

What does a switch do if it doesn't find the destination MAC address in its switching table?

A) sends an error to the sending device
B) discards the frame
C) sends an ARP to learn the MAC address
D) forwards the frame out all ports

Question 9

When referring to network bandwidth, what is the basic unit of measurement?

A) bytes per second
B) bits per second
C) bandwidth per second
D) bytes per minute

Question 10

When a NIC is in promiscuous mode, it will process only the frames in which the destination MAC address matches its own MAC address.

Question 11

What does it mean if the full-duplex indicator on a switch port is on?

A) The switch is detecting collisions.
B) The port can transmit and receive frames simultaneously.
C) Bandwidth sharing is enabled.
D) The MAC address table is full.

Question 12

Which of the following is true about hubs?

A) Devices on a hub have to share the available bandwidth.
B) They can operate in full-duplex and half-duplex mode.
C) They maintain a table of MAC addresses.
D) They can handle several computer conversations simultaneously.

Question 13

Which device receives a frame and reads the source and destination MAC addresses before forwarding the frame out another port?

A) router
B) switch
C) repeater
D) hub

Question 14

What component of the computer contains a MAC address?

A) motherboard
B) NIC
C) CPU
D) BIOS

Question 15

If a router receives a packet and it does not have an entry in its routing table for the destination network, it will send the packet to its default route, if configured.

Question 16

Which of the following is NOT a function of a hub?

A) cleans up the signal
B) transmits the frame out the correct port
C) receives the signal from a connected computer on one of its ports
D) regenerates the signal

Question 17

A wireless access point is most like which other network device, in that all computers send signals through it to communicate with other computers?

A) switch
B) router
C) hub
D) modem

Question 18

What does a switch store in its switching table?

A) The frame's source MAC address and the port it was received on.
B) The frame's destination MAC address and the port it was received on.
C) The frame's source IP address and the port it was received on.
D) The frame's destination IP address and the port it was received on.

Question 19

What command issued from the command prompt will show the route that a packet travels from the issuing computer to another computer?

A) route
B) tracert
C) ipconfig
D) arp

Question 20

What is the purpose of the default route?

A) It serves as a guideline for how to configure routes.
B) It's a route set by Microsoft so that all information comes to their servers first.
C) It's where the router sends all packets with destination addresses of which it has no knowledge.
D) It's a route that all routers use to get to the Internet.

Question 21

A switch operating in full ___________ mode can send and receive data at the same time.

Question 22

Match each item with a statement below.
a.switch
b.default route
c.half-duplex mode
d.router
e.bandwidth sharing
f.repeater
g.CTS
h.network interface card
i.uplink port
j.network bandwidth
indicates that the wireless computer can transmit data

Question 23

The ______________ address is composed of two 24-bit numbers.

Question 24

Match each item with a statement below.
a.switch
b.default route
c.half-duplex mode
d.router
e.bandwidth sharing
f.repeater
g.CTS
h.network interface card
i.uplink port
j.network bandwidth
amount of data that can be transferred on a network in a specified interval

Question 25

A __________ frame is a message that is intended to be processed by all devices on the LAN.

Question 26

Match each item with a statement below.
a.switch
b.default route
c.half-duplex mode
d.router
e.bandwidth sharing
f.repeater
g.CTS
h.network interface card
i.uplink port
j.network bandwidth
designated port on a hub or switch used to connect to another hub or switch

Question 27

Match each item with a statement below.
a.switch
b.default route
c.half-duplex mode
d.router
e.bandwidth sharing
f.repeater
g.CTS
h.network interface card
i.uplink port
j.network bandwidth
how devices connected to a hub use network bandwidth

Question 28

Match each item with a statement below.
a.switch
b.default route
c.half-duplex mode
d.router
e.bandwidth sharing
f.repeater
g.CTS
h.network interface card
i.uplink port
j.network bandwidth
device that only regenerates incoming signals

Question 29

Which of the following are true about routers? (Choose all that apply.)

A) break up a network into functional groups
B) make larger broadcast domains
C) work with IP addresses
D) forward broadcasts out all connected ports
E) allow computers on different networks to communicate

Question 30

Match each item with a statement below.
a.switch
b.default route
c.half-duplex mode
d.router
e.bandwidth sharing
f.repeater
g.CTS
h.network interface card
i.uplink port
j.network bandwidth
device that uses MAC addresses to determine the destination of frame

Question 31

Match each item with a statement below.
a.switch
b.default route
c.half-duplex mode
d.router
e.bandwidth sharing
f.repeater
g.CTS
h.network interface card
i.uplink port
j.network bandwidth
communication in which a device can send and receive signals but not at the same time

Question 32

The network ____________ is a measurement of the amount of data that can pass through a network in a certain period of time.

Question 33

Match each item with a statement below.
a.switch
b.default route
c.half-duplex mode
d.router
e.bandwidth sharing
f.repeater
g.CTS
h.network interface card
i.uplink port
j.network bandwidth
device that connects a computer with the network medium

Question 34

What command would you issue from the command prompt to test whether your computer has connectivity to the network?

A) ping IPaddress
B) arp -d IPaddress
C) ipconfig IPaddress
D) ipconfig /all

Question 35

Which of the following are features of a router? (Choose all that apply)

A) connects computers to the LAN
B) connects LANs to one another
C) works with MAC addresses
D) forwards broadcast packets
E) works with packets

Question 36

In some wireless network configurations, a computer must send a special message to the AP before it can transmit data. What is this message called?

A) RTS
B) ARP
C) CTS
D) DNS

Question 37

Match each item with a statement below.
a.switch
b.default route
c.half-duplex mode
d.router
e.bandwidth sharing
f.repeater
g.CTS
h.network interface card
i.uplink port
j.network bandwidth
routing table entry that tells a router where to send a packet with a destination network address that can't be found in the routing table

Question 38

In a computer's IP address settings, the default _____________ is the address of the router to which a computer sends all packets that are intended for networks outside of its own.

Question 39

Which of the following is true about a NIC?

A) For incoming messages, it creates frames from packets.
B) For outgoing messages, it assembles bit signals into frames.
C) For incoming messages, it adds a source and destination MAC address.
D) For outgoing messages, it converts frame data into bit signals.

Question 40

Match each item with a statement below.
a.switch
b.default route
c.half-duplex mode
d.router
e.bandwidth sharing
f.repeater
g.CTS
h.network interface card
i.uplink port
j.network bandwidth
device that connects LANs

Question 41

What is the importance of a default route?

Question 42

What does a router keep in its routing table?

Question 43

What are the major differences between a hub and a switch?

Question 44

List the five steps that a switch performs for each frame.

Question 45

What are broadcast frames and how are they handled by switches and routers?

Question 46

What are the major tasks that a NIC performs?

Question 47

What is the MAC address of a computer?

Question 48

What is a default gateway?

Question 49

What are the key differences between a switch and a router?