Deck 2: Network Hardware Essentials

Question 1

What is a frame called that is intended for only one individual computer?

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

Answer 1

B

Question 2

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.

Answer 2

True

Question 3

When a frame is received,which component reads the source and destination MAC addresses,looks up the destination to determine where to send the frame,and forwards it out the correct port?

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

Answer 3

B

Question 4

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 5

What component of the computer provides it with a MAC address?

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

Question 6

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 7

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

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

Question 8

The function of a repeater is to extend the range of an existing network.

Question 9

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

A) Sends and error to the sending device
B) Discards the frame
C) Sends an ARP to learn the MAC address
D) It forwards the frame to all ports

Question 10

You cannot connect a hub to another hub unless it has an uplink port.

Question 11

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 12

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 13

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 14

Which of the following is NOT a reason to prefer a switch over a hub?

A) Devices on a hub have to share the available bandwidth.
B) Switches are intelligent; they read the frame and determine where to send it.
C) Switches can operate in full-duplex mode.
D) Switches can operate at 10 Mbps or 100 Mbps.

Question 15

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 16

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 destinations of which it has no knowledge.
D) It's a route that all routers use to get to the Internet

Question 17

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

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

Question 18

Routers do not forward broadcast packets.

Question 19

What does it usually mean when the activity light on a switch is blinking?

A) It is malfunctioning
B) It is ready to receive data
C) Network activity is detected
D) A collision is imminent

Question 20

What does a switch store in its switching table?

A) the source MAC address of a frame and the port it was received on
B) the destination MAC address of a frame and the port it was received on
C) the source IP address of a frame and the port it was received on
D) the destination IP address of a frame and the port it was received on

Question 21

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

Question 22

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

Question 23

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

Question 24

Match each item with a statement below:
a.switch
b.hub
c.half-duplex mode
d.router
e.bandwidth sharing
f.repeater
g.dedicated bandwidth
h.network interface card
i.access point
j.network bandwidth
amount of data that can be transferred on a network

Question 25

Match each item with a statement below:
a.switch
b.hub
c.half-duplex mode
d.router
e.bandwidth sharing
f.repeater
g.dedicated bandwidth
h.network interface card
i.access point
j.network bandwidth
device that connects multiple computers but regenerates signals out all ports

Question 26

Match each item with a statement below:
a.switch
b.hub
c.half-duplex mode
d.router
e.bandwidth sharing
f.repeater
g.dedicated bandwidth
h.network interface card
i.access point
j.network bandwidth
device that connects LANs

Question 27

The SSID is configured on which of the following so that it can be distinguished from other available wireless networks?

A) router
B) access point
C) switch
D) repeater

Question 28

Before a computer can transmit data on a wireless network in some cases,it must send What type of signal to the AP?

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

Question 29

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

Question 30

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 31

Match each item with a statement below:
a.switch
b.hub
c.half-duplex mode
d.router
e.bandwidth sharing
f.repeater
g.dedicated bandwidth
h.network interface card
i.access point
j.network bandwidth
device that connects a computer with the network medium

Question 32

Match each item with a statement below:
a.switch
b.hub
c.half-duplex mode
d.router
e.bandwidth sharing
f.repeater
g.dedicated bandwidth
h.network interface card
i.access point
j.network bandwidth
how devices connected to a switch use network bandwidth

Question 33

Match each item with a statement below:
a.switch
b.hub
c.half-duplex mode
d.router
e.bandwidth sharing
f.repeater
g.dedicated bandwidth
h.network interface card
i.access point
j.network bandwidth
how devices connected to a hub use network bandwidth

Question 34

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

Question 35

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

Question 36

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

Question 37

Match each item with a statement below:
a.switch
b.hub
c.half-duplex mode
d.router
e.bandwidth sharing
f.repeater
g.dedicated bandwidth
h.network interface card
i.access point
j.network bandwidth
device that connects wireless computers

Question 38

Match each item with a statement below:
a.switch
b.hub
c.half-duplex mode
d.router
e.bandwidth sharing
f.repeater
g.dedicated bandwidth
h.network interface card
i.access point
j.network bandwidth
device that only regenerates incoming signals

Question 39

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 instead of frames

Question 40

What type of indicator lights would you find on a hub?

A) network activity
B) link status
C) signal strength
D) uplink
E) collision

Question 41

What is the importance of a default route?

Question 42

What is a broadcast frame?

Question 43

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

Question 44

What is a default gateway?

Question 45

What are the major tasks that a NIC performs?

Question 46

What does a router keep in its routing table?

Question 47

What is the MAC address of a computer?