Question 1

You need to troubleshoot the wireless settings for your adapter in a Windows 8 environment.What section of Control Panel do you use?
A)Computers and Networking
B)Network Connections
C)Wireless Command Center
D)Network and Sharing Center

Accepted Answer

The Network and Sharing Center in the Control Panel is the correct place to troubleshoot wireless settings for an adapter in a Windows 8 environment. It provides options to view network connections, change adapter settings, and troubleshoot network problems.

Question 2

Which OSI layer is responsible for adding a header that includes information used in routing?
A)Data Link
B)Application
C)Physical
D)Network

Accepted Answer

The Network layer is responsible for adding a header that includes routing information, such as source and destination IP addresses.

Question 3

Your Windows 8 system Control Panel has been left in the default configuration.What major grouping would you enter in order to manipulate the Network Interface Card settings?
A)Network and Internet
B)LAN and Computers
C)Computers and Users
D)Systems

Accepted Answer

The "Network and Internet" category in the Control Panel of Windows 8 is where you would find settings related to network connections, including configurations for Network Interface Cards (NICs). This category encompasses various network settings, including adapter options, network sharing, and Wi-Fi settings.

Question 4

What is the purpose of a range extender?
A)It relays the wireless signals from an access point or wireless router into areas with a weak signal or no signal at all.
B)It is used to extend the tuning range of the wireless router so both TCP and UDP data traffic can be received.
C)It is used with fiber optics to extend the distance.
D)None of these answers are correct.

Accepted Answer

A range extender, also known as a wireless repeater, is designed to relay the wireless signals from an access point or wireless router into areas where the signal is weak or nonexistent, thereby expanding the coverage area of the wireless network.

Question 5

Which OSI layer is considered the media access control layer?
A)Data Link
B)Transport
C)Presentation
D)Application
E)None of these answers are correct.

Accepted Answer

The Data Link layer of the OSI model is responsible for media access control, which involves controlling how devices on the same network segment access and use the physical media to communicate.

Question 6

Which OSI layer is responsible for the mechanical connection to the network?
A)Network
B)Transport
C)Data Link
D)None of these answers are correct.

Accepted Answer

The mechanical connection to the network is actually the responsibility of the Physical layer, which is not listed among the options provided. The Physical layer deals with the hardware connections and transmission of raw bit streams over a physical medium.

Question 7

What is the goal of WPS in wireless networking today?
A)To allow a home user to connect many more devices to the wireless network
B)To permit the configuration of multiple access points in the home network
C)To allow printing over the wireless network
D)To allow the configuration of security without the user inputting a long complex string of characters

Accepted Answer

WPS (Wi-Fi Protected Setup) aims to simplify the process of connecting devices to a Wi-Fi network without the need for users to manually enter a complex security key or passphrase. It allows for easier setup of wireless security.

Question 8

What is the purpose of a wireless router?
A)This device is used to connect only wireless devices to a broadband Internet connection.
B)This device is used to interconnect both wireless and wired devices and establish the broadband connection to the Internet.
C)This device is used only in intranets.
D)This device is used in token-ring networks to manage the passing of the token.

Accepted Answer

Wireless routers are designed to connect both wireless and wired devices to a network, providing access to the Internet. They serve as a central hub for network communication, allowing various devices to share a broadband Internet connection.

Question 9

In regards to NAT,what is overloading?
A)Where NAT assigns the home network's IP address to a non-routable public IP address
B)Where NAT assigns the home network's IP address to a single public IP address
C)Where NAT assigns the home network's IP addresses to a single public IP address
D)Where NAT assigns the home network's PAT IP address to a public NAT IP address

Accepted Answer

Overloading, also known as Port Address Translation (PAT), involves mapping multiple private IP addresses to a single public IP address (or a few addresses). This is commonly used in home networks where multiple devices share a single public IP address provided by the Internet Service Provider (ISP).

Question 10

Excessive amounts of broadcasts on a network are called a broadcast storm.

Accepted Answer

A broadcast storm occurs when there are too many broadcast messages on the network, overwhelming network resources and potentially causing network slowdowns or failures.

Question 11

Which OSI layer combines messages or segments into packets?
A)Physical
B)Transport
C)Network
D)Data Link
E)None of these answers are correct.

Accepted Answer

The Network layer (Layer 3) of the OSI model is responsible for combining messages or segments into packets. This layer handles the routing of packets across the network.

Question 12

There are 34 bits and 4 octets in an IPv4 address.

Accepted Answer

An IPv4 address consists of 32 bits, which are often represented as 4 octets (4 groups of 8 bits each).

Question 13

The preamble on the Ethernet packet is used to provide synchronization and negotiation of a data link.

Accepted Answer

The preamble in an Ethernet packet is used for synchronization between the sending and receiving devices, ensuring that the receiver's clock is synchronized with the sender's clock for accurate data transmission. It does not negotiate a data link.

Question 14

The OSI layer responsible for data compression and encryption is which of these?
A)Transport
B)Presentation
C)Application
D)network
E)None of these answers are correct.

Accepted Answer

The Presentation layer of the OSI model is responsible for data compression and encryption, ensuring that data is in the correct format for the receiving application.

Question 15

What is the Wi-Fi Alliance?
A)An organization that tests and certifies wireless equipment for compliance with the 805.3 standards
B)An organization that tests and certifies wireless equipment for compliance with the RS-232C standards
C)An organization that tests and certifies wireless equipment for compliance with the 802.11x standards
D)An organization that tests and certifies wireless equipment for compliance with the 858.n standards

Accepted Answer

The Wi-Fi Alliance is an organization that tests and certifies wireless equipment for compliance with the 802.11x standards, ensuring interoperability and security among Wi-Fi devices.

Question 16

The acronym TCP/IP stands for Transmission Controller Protocol/Intercommunication Protocol.

Accepted Answer

TCP/IP stands for Transmission Control Protocol/Internet Protocol.

Question 17

What is PAT?
A)Port address translation; it is used to store the home network's IP address and port numbers in a NAT lookup table.
B)Port address translation; it is used to store the home network's MAC address and port numbers in a NAT lookup table.
C)Port address translation; it is used to store the home network's public IP address and port numbers in a NAT lookup table.
D)Port address transfer; it is used to store the home network's MAC address and port numbers in a NAT lookup table.

Accepted Answer

Port Address Translation (PAT) is a type of Network Address Translation (NAT) that allows multiple devices on a local network to be mapped to a single public IP address but with a different port number for each session. This is done by storing the home network's IP address and port numbers in a NAT lookup table, allowing for efficient use of a limited number of public IP addresses.

Question 18

What is a possible transfer rate in a 802.11ac wireless network?
A)100Mbps
B)10Mbps
C)500Mbps
D)1Gbps

Accepted Answer

802.11ac is a wireless networking standard that supports data transfer rates of up to 1 Gbps.

Question 19

MAC is the acronym for multimedia access controller.

Accepted Answer

MAC stands for Media Access Control, which is a unique identifier assigned to network interfaces for communications at the data link layer of a network segment.

Question 20

What frequency band is used by 802.11ac?
A)5GHz
B)2.4GHz
C)6GHz
D)2GHz

Accepted Answer

802.11ac operates exclusively in the 5GHz frequency band, offering faster data rates and less interference compared to the more crowded 2.4GHz band.

Quiz 1: Introduction to Computer Networks

You need to troubleshoot the wireless settings for your adapter in a Windows 8 environment.What section of Control Panel do you use?

Which OSI layer is responsible for adding a header that includes information used in routing?

Your Windows 8 system Control Panel has been left in the default configuration.What major grouping would you enter in order to manipulate the Network Interface Card settings?

What is the purpose of a range extender?

Which OSI layer is considered the media access control layer?

Which OSI layer is responsible for the mechanical connection to the network?

What is the goal of WPS in wireless networking today?

What is the purpose of a wireless router?

In regards to NAT,what is overloading?

Excessive amounts of broadcasts on a network are called a broadcast storm.

Which OSI layer combines messages or segments into packets?

There are 34 bits and 4 octets in an IPv4 address.

The preamble on the Ethernet packet is used to provide synchronization and negotiation of a data link.

The OSI layer responsible for data compression and encryption is which of these?

What is the Wi-Fi Alliance?

The acronym TCP/IP stands for Transmission Controller Protocol/Intercommunication Protocol.

What is PAT?

What is a possible transfer rate in a 802.11ac wireless network?

MAC is the acronym for multimedia access controller.

What frequency band is used by 802.11ac?