Chapter Six Sample Questions

As discussed in this textbook, three layers of a network model are the components required for a typical network, including local area networks.

Chapter Six Sample Questions

As discussed in this textbook, three layers of a network model are the components required for a typical network, including local area networks.

Answer... Hide Answer: False Difficulty: Moderate

Reference: LAN Components

Resource sharing refers to having users access the same data files, exchange information via e-mail, or use the Internet.

Answer... Hide Answer: False Difficulty: Easy

Reference: Why use a LAN?

On a network, it is always legal to purchase one copy of software, such as a word processing package, that multiple users use simultaneously.

Answer... Hide Answer: False Difficulty: Easy

Reference: Why use a LAN?

LAN metering software can be used to prohibit using more copies of a package than there are installed licenses.

Answer... Hide Answer: True Difficulty: Easy

Reference: Why use a LAN?

Software Publishers Association has embarked upon an aggressive software audit program to check the number of illegal software copies on LANs.

Answer... Hide Answer: True Difficulty: Easy

Reference: Why use a LAN?

LANs can be categorized as either dedicated (with a dedicated server) or peer-to-peer (without a dedicated server).

Answer... Hide Answer: True Difficulty: Easy

Reference: Peer to Peer Networks

Peer-to-peer networks have computers that are permanently assigned as network servers

Answer... Hide Answer: False Difficulty: Easy

Reference: Peer to Peer Networks

A Network Operating System (NOS), such as Linux or Windows Server 2008, must be used in addition to the ‘normal’ operating system, such as Windows, on a server in a dedicated server LAN.

Answer... Hide Answer: False Difficulty: Moderate

Reference: NOS Server Software

By offloading printing tasks from the main LAN server, a print server increases network efficiency.

Answer... Hide Answer: True Difficulty: Moderate

Reference: Dedicated Server Networks

The Network Interface Card (NIC) permits a computer to be physically connected to a network’s cable, which provides the network layer connection among the computers in the network.

Answer... Hide Answer: False Difficulty: Moderate

Reference: Network Interface Cards

LANs that run on radio frequencies use a type of wired media.

Answer... Hide Answer: False Difficulty: Easy

Reference: Network Circuits

Fiber optic cable is thicker and heavier than unshielded twisted pair.

Answer... Hide Answer: False Difficulty: Easy

Reference: Network Circuits

Many network hubs incorporate repeaters or amplifiers to regenerate signals so that attenuation of the signal does not occur.

Answer... Hide Answer: True Difficulty: Moderate

Reference: Network Hubs, Switches, and Access Points

The NOS software for the server computer provides the physical, data link, and network layer functions.

Answer... Hide Answer: False Difficulty: Moderate

Reference: NOS

One of the most important functions of Network Operating System (NOS) is a directory service.

Answer... Hide Answer: True Difficulty: Easy

Reference: NOS Client Software

LDAP is an industry standard directory protocol.

Answer... Hide Answer: True Difficulty: Easy

Reference: NOS Client Software

A hardware device that is not included in a network profile cannot be accessed by another computer on the network.

Answer... Hide Answer: True Difficulty: Easy

Reference: Network Profiles

Network profile refers to what resources on each server are available on the network for use by other computers and which devices or people are allowed access on the network.

Answer... Hide Answer: True Difficulty: Moderate

Reference: Network Profiles

Traditional Ethernet is also known as shared Ethernet.

Answer... Hide Answer: True Difficulty: Easy

Reference: Wired Ethernet

Ethernet is a layer 3 protocol, which operates at the network layer.

Answer... Hide Answer: False Difficulty: Easy

Reference: Wired Ethernet

The Ethernet standard was developed first by the IEEE.

Answer... Hide Answer: False Difficulty: Moderate

Reference: Wired Ethernet

Topology refers to the geometric layout of the network and describes how the computers are interconnected.

Answer... Hide Answer: True Difficulty: Easy

Reference: Topology

A collision on a bus circuit means that two computers on that circuit have transmitted at the same time.

Answer... Hide Answer: True Difficulty: Moderate

Reference: Switch-based Ethernet

The three latest versions of Ethernet run at speeds of 1Gbps, 10Gbps, and 50 Gbps.

Answer... Hide Answer: False Difficulty: Easy

Reference: Types of Ethernet

1000Base-LX is a version of 1000Base-T than runs on four pairs of CAT 5 cable.

Answer... Hide Answer: False Difficulty: Easy

Reference: Types of Ethernet

A workgroup switch is designed to work on the Backbone Network (BN).

Answer... Hide Answer: False Difficulty: Easy

Reference: Topology

A switch always broadcasts all the packets it receives to all the computers that are connected to the switch.

Answer... Hide Answer: False Difficulty: Easy

Reference: Topology

A switch forwarding table tells a switch which port it should send out a packet to get to the destination computer.

Answer... Hide Answer: True Difficulty: Moderate

Reference: Switch-based Ethernet

When a switch receives a packet with a destination address that is not in its forwarding table, the switch will broadcast the packet to all of its ports.

Answer... Hide Answer: True Difficulty: Easy

Reference: Switch-based Ethernet

Cut through switching has fewer errors than store and forward switching.

Answer... Hide Answer: False Difficulty: Easy

Reference: Switch-based Ethernet

Store and forward switching cannot be used unless incoming and outgoing data circuit has the same data rate.

Answer... Hide Answer: False Difficulty: Easy

Reference: Switch-based Ethernet

A switch can send and receive on all circuits simultaneously.

Answer... Hide Answer: True Difficulty: Easy

Reference: Switch-based Ethernet

Wireless LANs are never connected to a wire network.

Answer... Hide Answer: False Difficulty: Easy

Reference: Implications for Management

802.11b is a faster wireless standard than 802.11a.

Answer... Hide Answer: False Difficulty: Easy

Reference: Wireless Ethernet

The maximum data rate of 802.11b LANs is 12 Mbps.

Answer... Hide Answer: False Difficulty: Easy

Reference: Wireless Ethernet

An access point (AP) is required to connect a WLAN to a wired network.

Answer... Hide Answer: True Difficulty: Easy

Reference: Network Hubs, Switches, and Access Points

An access point ensures that all computers within range of the access point can communicate with each other,

Answer... Hide Answer: True Difficulty: Easy

Reference: Network Hubs, Switches, and Access Points

802.11b provides three separate channels for indoor use in the U.S. that can be used for communication between the access point and other wireless devices on the network.

Answer... Hide Answer: True Difficulty: Moderate

Reference: Types of Wireless Ethernet

Most access points (AP) deployed in wireless LANs use directional antennas.

Answer... Hide Answer: False Difficulty: Easy

Reference: Wireless LANs

Directional antennas signals are much stronger than omnidirectional antennas.

Answer... Hide Answer: True Difficulty: Easy

Reference: Wireless LANs

Wireless LANs use Carrier Sense Multiple Access with Collision Detection (CSMA/CD)
for medic access control.

Answer... Hide Answer: False Difficulty: Moderate

Reference: Wireless LANs

Distributed Coordination Function is a media access control method used in wireless LANs where the sender waits for an ACK (acknowledgement) from the receiver before transmitting any more packets.

Answer... Hide Answer: True Difficulty: Moderate

Reference: Distributed Coordination Function

Point Coordination Function requires that each station that wishes to transmit on the wireless network sends a request-to-transmit (RTS) packet to the access point and waits for a clear-to-send (CTS) packet from the AP before it can communicate with other nodes on the network.

Answer... Hide Answer: True Difficulty: Moderate

Reference: Point Coordination Function

The DCF function of Wi-Fi resolves the hidden node problem.

Answer... Hide Answer: False Difficulty: Moderate

Reference: Point Coordination Function

802.11b LANs operate at speeds up to 11 Mbps.

Answer... Hide Answer: True Difficulty: Moderate

Reference: Types of Wireless Ethernet

The frequency ranges of some access points are the same as some cordless telephones.

Answer... Hide Answer: True Difficulty: Easy

Reference: Wireless LANs

802.11a provides for speeds of up to 54 Mbps under perfect conditions.

Answer... Hide Answer: True Difficulty: Easy

Reference: Types of Wireless Ethernet

The maximum transmission speed of 802.11a LANs is 11 Mbps.

Answer... Hide Answer: False Difficulty: Easy

Reference: Types of Wireless Ethernet

802.11a LANs provide more channels than 802.11b LANs

Answer... Hide Answer: True Difficulty: Easy

Reference: Types of Wireless Ethernet)

It takes 802.11a more access points to provide the same coverage as one 802.11b access point.

Answer... Hide Answer: True Difficulty: Easy

Reference: Types of Wireless Ethernet

An 802.11g NIC can communicate with an 802.11n access point.

Answer... Hide Answer: True Difficulty: Easy

Reference: Types of Wireless Ethernet

Compared to 802.11b, 802.11g provides fewer channels for stations to communicate with the access point.

Answer... Hide Answer: False Difficulty: Easy

Reference: Types of Wireless Ethernet

The data link layer protocols used by wireless LANs are similar to the ones used on Ethernet LANs

Answer... Hide Answer: True Difficulty: Easy

Reference: Wireless Ethernet Frame Layout

Wireless LANs do not share the bandwidth capacity of the wireless network.

Answer... Hide Answer: False Difficulty: Easy

Reference: Wireless LANs

A site survey is not an important component of a WLAN design.

Answer... Hide Answer: False Difficulty: Moderate

Reference: Wireless Ethernet

Wired Equivalent Privacy requires that each user have a preconfigured key in order to communicate with an access point.

Answer... Hide Answer: True Difficulty: Moderate

Reference: WEP

Extensible Authentication Protocol can dynamically produce WEP keys.

Answer... Hide Answer: True Difficulty: Moderate

Reference: WEP

Wi-Fi Protected Access (WPA) uses the same key for every packet that is transmitted to the client.

Answer... Hide Answer: False Difficulty: Moderate

Reference: WPA

Directional antennas produce a stronger signal over longer distances than omnidirectional antennas.

Answer... Hide Answer: True Difficulty: Moderate

Reference: Wireless LANs

Answer... Hide Answer: False </> Difficulty: Moderate

Reference: LAN Components

Resource sharing refers to having users access the same data files, exchange information via e-mail, or use the Internet.

Answer... Hide Answer: False Difficulty: Easy

Reference: Why use a LAN?

On a network, it is always legal to purchase one copy of software, such as a word processing package, that multiple users use simultaneously.

Answer... Hide Answer: False Difficulty: Easy

Reference: Why use a LAN?

LAN metering software can be used to prohibit using more copies of a package than there are installed licenses.

Answer... Hide Answer: True Difficulty: Easy

Reference: Why use a LAN?

Software Publishers Association has embarked upon an aggressive software audit program to check the number of illegal software copies on LANs.

Answer... Hide Answer: True Difficulty: Easy

Reference: Why use a LAN?

LANs can be categorized as either dedicated (with a dedicated server) or peer-to-peer (without a dedicated server).

Answer... Hide Answer: True Difficulty: Easy

Reference: Peer to Peer Networks

Peer-to-peer networks have computers that are permanently assigned as network servers

Answer... Hide Answer: False Difficulty: Easy

Reference: Peer to Peer Networks

A Network Operating System (NOS), such as Linux or Windows Server 2008, must be used in addition to the ‘normal’ operating system, such as Windows, on a server in a dedicated server LAN.

Answer... Hide Answer: False Difficulty: Moderate

Reference: NOS Server Software

By offloading printing tasks from the main LAN server, a print server increases network efficiency.

Answer... Hide Answer: True Difficulty: Moderate

Reference: Dedicated Server Networks

The Network Interface Card (NIC) permits a computer to be physically connected to a network’s cable, which provides the network layer connection among the computers in the network.

Answer... Hide Answer: False Difficulty: Moderate

Reference: Network Interface Cards

LANs that run on radio frequencies use a type of wired media.

Answer... Hide Answer: False Difficulty: Easy

Reference: Network Circuits

Fiber optic cable is thicker and heavier than unshielded twisted pair.

Answer... Hide Answer: False Difficulty: Easy

Reference: Network Circuits

Many network hubs incorporate repeaters or amplifiers to regenerate signals so that attenuation of the signal does not occur.

Answer... Hide Answer: True Difficulty: Moderate

Reference: Network Hubs, Switches, and Access Points

The NOS software for the server computer provides the physical, data link, and network layer functions.

Answer... Hide Answer: False Difficulty: Moderate

Reference: NOS

One of the most important functions of Network Operating System (NOS) is a directory service.

Answer... Hide Answer: True Difficulty: Easy

Reference: NOS Client Software

LDAP is an industry standard directory protocol.

Answer... Hide Answer: True Difficulty: Easy

Reference: NOS Client Software

A hardware device that is not included in a network profile cannot be accessed by another computer on the network.

Answer... Hide Answer: True Difficulty: Easy

Reference: Network Profiles

Network profile refers to what resources on each server are available on the network for use by other computers and which devices or people are allowed access on the network.

Answer... Hide Answer: True Difficulty: Moderate

Reference: Network Profiles

Traditional Ethernet is also known as shared Ethernet.

Answer... Hide Answer: True Difficulty: Easy

Reference: Wired Ethernet

Ethernet is a layer 3 protocol, which operates at the network layer.

Answer... Hide Answer: False Difficulty: Easy

Reference: Wired Ethernet

The Ethernet standard was developed first by the IEEE.

Answer... Hide Answer: False Difficulty: Moderate

Reference: Wired Ethernet

Topology refers to the geometric layout of the network and describes how the computers are interconnected.

Answer... Hide Answer: True Difficulty: Easy

Reference: Topology

A collision on a bus circuit means that two computers on that circuit have transmitted at the same time.

Answer... Hide Answer: True Difficulty: Moderate

Reference: Switch-based Ethernet

The three latest versions of Ethernet run at speeds of 1Gbps, 10Gbps, and 50 Gbps.

Answer... Hide Answer: False Difficulty: Easy

Reference: Types of Ethernet

1000Base-LX is a version of 1000Base-T than runs on four pairs of CAT 5 cable.

Answer... Hide Answer: False Difficulty: Easy

Reference: Types of Ethernet

A workgroup switch is designed to work on the Backbone Network (BN).

Answer... Hide Answer: False Difficulty: Easy

Reference: Topology

A switch always broadcasts all the packets it receives to all the computers that are connected to the switch.

Answer... Hide Answer: False Difficulty: Easy

Reference: Topology

A switch forwarding table tells a switch which port it should send out a packet to get to the destination computer.

Answer... Hide Answer: True Difficulty: Moderate

Reference: Switch-based Ethernet

When a switch receives a packet with a destination address that is not in its forwarding table, the switch will broadcast the packet to all of its ports.

Answer... Hide Answer: True Difficulty: Easy

Reference: Switch-based Ethernet

Cut through switching has fewer errors than store and forward switching.

Answer... Hide Answer: False Difficulty: Easy

Reference: Switch-based Ethernet

Store and forward switching cannot be used unless incoming and outgoing data circuit has the same data rate.

Answer... Hide Answer: False Difficulty: Easy

Reference: Switch-based Ethernet

A switch can send and receive on all circuits simultaneously.

Answer... Hide Answer: True Difficulty: Easy

Reference: Switch-based Ethernet

Wireless LANs are never connected to a wire network.

Answer... Hide Answer: False Difficulty: Easy

Reference: Implications for Management

802.11b is a faster wireless standard than 802.11a.

Answer... Hide Answer: False Difficulty: Easy

Reference: Wireless Ethernet

The maximum data rate of 802.11b LANs is 12 Mbps.

Answer... Hide Answer: False Difficulty: Easy

Reference: Wireless Ethernet

An access point (AP) is required to connect a WLAN to a wired network.

Answer... Hide Answer: True Difficulty: Easy

Reference: Network Hubs, Switches, and Access Points

An access point ensures that all computers within range of the access point can communicate with each other,

Answer... Hide Answer: True Difficulty: Easy

Reference: Network Hubs, Switches, and Access Points

802.11b provides three separate channels for indoor use in the U.S. that can be used for communication between the access point and other wireless devices on the network.

Answer... Hide Answer: True Difficulty: Moderate

Reference: Types of Wireless Ethernet

Most access points (AP) deployed in wireless LANs use directional antennas.

Answer... Hide Answer: False Difficulty: Easy

Reference: Wireless LANs

Directional antennas signals are much stronger than omnidirectional antennas.

Answer... Hide Answer: True Difficulty: Easy

Reference: Wireless LANs

Wireless LANs use Carrier Sense Multiple Access with Collision Detection (CSMA/CD)
for medic access control.

Answer... Hide Answer: False Difficulty: Moderate

Reference: Wireless LANs

Distributed Coordination Function is a media access control method used in wireless LANs where the sender waits for an ACK (acknowledgement) from the receiver before transmitting any more packets.

Answer... Hide Answer: True Difficulty: Moderate

Reference: Distributed Coordination Function

Point Coordination Function requires that each station that wishes to transmit on the wireless network sends a request-to-transmit (RTS) packet to the access point and waits for a clear-to-send (CTS) packet from the AP before it can communicate with other nodes on the network.

Answer... Hide Answer: True Difficulty: Moderate

Reference: Point Coordination Function

The DCF function of Wi-Fi resolves the hidden node problem.

Answer... Hide Answer: False Difficulty: Moderate

Reference: Point Coordination Function

802.11b LANs operate at speeds up to 11 Mbps.

Answer... Hide Answer: True Difficulty: Moderate

Reference: Types of Wireless Ethernet

The frequency ranges of some access points are the same as some cordless telephones.

Answer... Hide Answer: True Difficulty: Easy

Reference: Wireless LANs

802.11a provides for speeds of up to 54 Mbps under perfect conditions.

Answer... Hide Answer: True Difficulty: Easy

Reference: Types of Wireless Ethernet

The maximum transmission speed of 802.11a LANs is 11 Mbps.

Answer... Hide Answer: False Difficulty: Easy

Reference: Types of Wireless Ethernet

802.11a LANs provide more channels than 802.11b LANs

Answer... Hide Answer: True Difficulty: Easy

Reference: Types of Wireless Ethernet)

It takes 802.11a more access points to provide the same coverage as one 802.11b access point.

Answer... Hide Answer: True Difficulty: Easy

Reference: Types of Wireless Ethernet

An 802.11g NIC can communicate with an 802.11n access point.

Answer... Hide Answer: True Difficulty: Easy

Reference: Types of Wireless Ethernet

Compared to 802.11b, 802.11g provides fewer channels for stations to communicate with the access point.

Answer... Hide Answer: False Difficulty: Easy

Reference: Types of Wireless Ethernet

The data link layer protocols used by wireless LANs are similar to the ones used on Ethernet LANs

Answer... Hide Answer: True Difficulty: Easy

Reference: Wireless Ethernet Frame Layout

Wireless LANs do not share the bandwidth capacity of the wireless network.

Answer... Hide Answer: False Difficulty: Easy

Reference: Wireless LANs

A site survey is not an important component of a WLAN design.

Answer... Hide Answer: False Difficulty: Moderate

Reference: Wireless Ethernet

Wired Equivalent Privacy requires that each user have a preconfigured key in order to communicate with an access point.

Answer... Hide Answer: True Difficulty: Moderate

Reference: WEP

Extensible Authentication Protocol can dynamically produce WEP keys.

Answer... Hide Answer: True Difficulty: Moderate

Reference: WEP

Wi-Fi Protected Access (WPA) uses the same key for every packet that is transmitted to the client.

Answer... Hide Answer: False Difficulty: Moderate

Reference: WPA

Directional antennas produce a stronger signal over longer distances than omnidirectional antennas.

Answer... Hide Answer: True Difficulty: Moderate

Reference: Wireless LANs

Topic revision: r1 - 2012-12-06 - JimSkon
 
This site is powered by the TWiki collaboration platformCopyright &© by the contributing authors. All material on this collaboration platform is the property of the contributing authors.
Ideas, requests, problems regarding TWiki? Send feedback