Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

The type of logical topology that Ethernet uses is a:

Accepted Answer

A) ring 
B) bus 
C) star 
D) mesh 
E) interconnected 
A) ring 
B) bus 
C) star 
D) mesh 
E) interconnected

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

Another name for distributed coordination function DCF) is __________.

Accepted Answer

A) distributed carrier sense method 
B) physical carrier sense method 
C) physical carrier sense mode 
D) distributed carrier sense mode 
E) distributed coordination mode 
A) distributed carrier sense method 
B) physical carrier sense method 
C) physical carrier sense mode 
D) distributed carrier sense mode 
E) distributed coordination mode

Question 5

Which of the following is not true about switched Ethernet?

Accepted Answer

A) The switch has a physical bus topology. 
B) It uses a switch instead of a hub. 
C) It has faster connections almost immediate) than traditional Ethernet. 
D) It essentially provides a point-to-point connection between computers. 
E) It has forwarding tables in which entries are learned over time. 
A) The switch has a physical bus topology. 
B) It uses a switch instead of a hub. 
C) It has faster connections almost immediate) than traditional Ethernet. 
D) It essentially provides a point-to-point connection between computers. 
E) It has forwarding tables in which entries are learned over time.

Question 6

An) ___________ is a radio transceiver that plays the same role as a hub or switch in a wired network and connects the WLAN to the wired network.

Accepted Answer

A) Ethernet NIC 
B) antennae 
C) wireless NIC 
D) access point 
E) hub 
A) Ethernet NIC 
B) antennae 
C) wireless NIC 
D) access point 
E) hub

Question 7

Which of the following is not an advantage of using Cat5 unshielded twisted pair for cabling LANs?

Accepted Answer

A) cost relative to fiber) 
B) thickness relative to coax) 
C) weight relative to coax) 
D) flexibility relative to coax) 
E) security relative to fiber) 
A) cost relative to fiber) 
B) thickness relative to coax) 
C) weight relative to coax) 
D) flexibility relative to coax) 
E) security relative to fiber)

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

Which of the following type of media is most commonly used in backbone networks because of its high capacity?

Accepted Answer

A) fiber 
B) infrared frequencies 
C) coax cable 
D) unshielded twisted pair 
E) shielded twisted pair 
A) fiber 
B) infrared frequencies 
C) coax cable 
D) unshielded twisted pair 
E) shielded twisted pair

Question 10

CSMA/CA is an acronym for:

Accepted Answer

A) Carrier Sense Multiple Access with Collision Acknowledgment 
B) Carrier Sense Mode Access with Carrier Avoidance 
C) Carrier Sense Multiple Access with Collision Avoidance 
D) Carrier Sensory Multiple Access without Collision Acknowledgment 
E) Carrier Sense Multiple Acknowledgment with Collision Avoidance 
A) Carrier Sense Multiple Access with Collision Acknowledgment 
B) Carrier Sense Mode Access with Carrier Avoidance 
C) Carrier Sense Multiple Access with Collision Avoidance 
D) Carrier Sensory Multiple Access without Collision Acknowledgment 
E) Carrier Sense Multiple Acknowledgment with Collision Avoidance

Question 11

The Ethernet standard was developed first by the IEEE.

Accepted Answer

A) True 
 B)False

Question 12

Discuss wireless network security.What are some of the critical problems, what are some of the defenses against these problems? List five potential weaknesses in security and five potential solutions to these perceived weaknesses.

Accepted Answer

Wireless network security is a critical

Question 13

1000 Base-T:

Accepted Answer

A) can run at either full- or half-duplex 
B) is one of the oldest forms of Ethernet 
C) is one of the slowest forms of Ethernet 
D) can only be used over coaxial cables 
E) has only one version, 1000Base-SLCX 
A) can run at either full- or half-duplex 
B) is one of the oldest forms of Ethernet 
C) is one of the slowest forms of Ethernet 
D) can only be used over coaxial cables 
E) has only one version, 1000Base-SLCX

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

_________ is not a type of Ethernet specification.

Accepted Answer

A) 100Base-T 
B) 10GbE 
C) 1000Base-T 1Gb
E)  
D) 10Base-T 
E) Securenet 
A) 100Base-T 
B) 10GbE 
C) 1000Base-T 1Gb
E)  
D) 10Base-T 
E) Securenet

Question 17

An) _____________ is used in a computer to connect it to a WLAN.

Accepted Answer

A) Ethernet NIC 
B) antennae 
C) wireless NIC 
D) access point 
E) hub 
A) Ethernet NIC 
B) antennae 
C) wireless NIC 
D) access point 
E) hub

Question 18

Breaking a network into smaller parts is called network:

Accepted Answer

A) fragmentation 
B) segmentation 
C) localization 
D) allocation 
E) mitigation 
A) fragmentation 
B) segmentation 
C) localization 
D) allocation 
E) mitigation

Question 19

Media access control refers to:

Accepted Answer

A) the price of fiber optic cable 
B) security over floppy disks in a user environment 
C) the ability for a user to use multimedia equipment in a LAN 
D) controlling access to a media by more than one computer in a LAN 
E) the control over coax cable installed by a cable service provider 
A) the price of fiber optic cable 
B) security over floppy disks in a user environment 
C) the ability for a user to use multimedia equipment in a LAN 
D) controlling access to a media by more than one computer in a LAN 
E) the control over coax cable installed by a cable service provider

Question 20

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

Accepted Answer

A) True 
 B)False

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

The type of logical topology that Ethernet uses is a:

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

Another name for distributed coordination function DCF) is __________.

Which of the following is not true about switched Ethernet?

An) ___________ is a radio transceiver that plays the same role as a hub or switch in a wired network and connects the WLAN to the wired network.

Which of the following is not an advantage of using Cat5 unshielded twisted pair for cabling LANs?

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

Which of the following type of media is most commonly used in backbone networks because of its high capacity?

CSMA/CA is an acronym for:

The Ethernet standard was developed first by the IEEE.

Discuss wireless network security.What are some of the critical problems, what are some of the defenses against these problems? List five potential weaknesses in security and five potential solutions to these perceived weaknesses.

1000 Base-T:

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

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

_________ is not a type of Ethernet specification.

An) _____________ is used in a computer to connect it to a WLAN.

Breaking a network into smaller parts is called network:

Media access control refers to:

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

Introduction to Data Communications

Application Layer

Physical Layer

Data Link Layer

Network and Transport Layers

Network Design

Backbone Networks

Wide Area Networks

The Internet

Network Security

Network Management

Filters

Exam 7: Wired and Wireless Local Area Networks

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

The type of logical topology that Ethernet uses is a:

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

Another name for distributed coordination function DCF) is __________.

Which of the following is not true about switched Ethernet?

An) ___________ is a radio transceiver that plays the same role as a hub or switch in a wired network and connects the WLAN to the wired network.

Which of the following is not an advantage of using Cat5 unshielded twisted pair for cabling LANs?

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

Which of the following type of media is most commonly used in backbone networks because of its high capacity?

CSMA/CA is an acronym for:

The Ethernet standard was developed first by the IEEE.

Discuss wireless network security.What are some of the critical problems, what are some of the defenses against these problems? List five potential weaknesses in security and five potential solutions to these perceived weaknesses.

1000 Base-T:

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

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

_________ is not a type of Ethernet specification.

An) _____________ is used in a computer to connect it to a WLAN.

Breaking a network into smaller parts is called network:

Media access control refers to:

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

Introduction to Data Communications

Application Layer

Physical Layer

Data Link Layer

Network and Transport Layers

Network Design

Backbone Networks

Wide Area Networks

The Internet

Network Security

Network Management

Filters