Question 1

_____________ refers to practice of writing symbols in chalk on sidewalks and walls to indicate the presence of an unsecured WLAN.

Accepted Answer

A) wardriving 
B) chalking 
C) warchalking 
D) marking 
E) identifying 
A) wardriving 
B) chalking 
C) warchalking 
D) marking 
E) identifying

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

An) ____________ allows many users to share the same set of files on a common, shared disk drive.

Accepted Answer

A) print server 
B) database server 
C) file server 
D) piconet server 
E) remote access server 
A) print server 
B) database server 
C) file server 
D) piconet server 
E) remote access server

Question 4

11a LANs provide more channels than 802.11b LANs

Accepted Answer

A) True 
 B)False

Question 5

The term "domain controller" is a name commonly used to refer to a Microsoft directory services server.

Accepted Answer

A) True 
 B)False

Question 6

What is the "hidden node" problem, and what do you need to do about it in the best LAN design for wireless?

Accepted Answer

The "hidden node" problem is a challenge

Question 7

A ___ has a set of high-speed storage devices and servers that are networked together using a very high speed network.

Accepted Answer

A) wide area network 
B) local area network 
C) storage area network 
D) storage server 
E) local area storage WAN 
A) wide area network 
B) local area network 
C) storage area network 
D) storage server 
E) local area storage WAN

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is not true about CSMA/CD?

Accepted Answer

A) The acronym refers to Carrier Sense Multiple Access with Collision Detection 
B) It is used in token ring protocol LANs 
C) It is a contention-based media access control technique 
D) When a collision has occurred, the computers that wish to transmit wait a random amount of time after a colliding message before attempting to retransmit 
E) Computers on the circuit 'listen' before transmitting 
A) The acronym refers to Carrier Sense Multiple Access with Collision Detection 
B) It is used in token ring protocol LANs 
C) It is a contention-based media access control technique 
D) When a collision has occurred, the computers that wish to transmit wait a random amount of time after a colliding message before attempting to retransmit 
E) Computers on the circuit 'listen' before transmitting

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

_______ are wired into a Wi-Fi Controller.They report what devices are attached to them and how busy they are to the controller, which balances traffic across the APs it manages.

Accepted Answer

A) Managed APs 
B) Managed routers 
C) SAN 
D) Managed Wi-Fi hub 
E) Wireless router 
A) Managed APs 
B) Managed routers 
C) SAN 
D) Managed Wi-Fi hub 
E) Wireless router

Question 12

One important innovation with _______ is that the RTS/CTS media access control is sent on a separate frequency range, so that it does not interfere with data transmission.

Accepted Answer

A) 802.11a 
B) 802.11b 
C) 802.11n 
D) 802.11ac 
E) 802.3 
A) 802.11a 
B) 802.11b 
C) 802.11n 
D) 802.11ac 
E) 802.3

Question 13

To increase the volume of simultaneous messages the LAN circuit can transmit from network clients to the servers), you can:

Accepted Answer

A) increase the CPU of the server 
B) upgrade to a bigger circuit 
C) increase the number of hard disks on the server 
D) increase the amount of disk capacity of the server 
E) increase the amount of memory of the server 
A) increase the CPU of the server 
B) upgrade to a bigger circuit 
C) increase the number of hard disks on the server 
D) increase the amount of disk capacity of the server 
E) increase the amount of memory of the server

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

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 17

Which of the following is not a basic LAN component?

Accepted Answer

A) client 
B) PAD 
C) server 
D) network interface card 
E) network operating system 
A) client 
B) PAD 
C) server 
D) network interface card 
E) network operating system

Question 18

Which of the following standards is backward compatible with IEEE802.11a, b, and g?

Accepted Answer

A) 802.11a 
B) 802.11b 
C) 802.11g 
D) 802.11n 
E) 802.15 
A) 802.11a 
B) 802.11b 
C) 802.11g 
D) 802.11n 
E) 802.15

Question 19

The maximum data rate of a an 802.11ad WLAN is

Accepted Answer

A) 24 Mbps 
B) 36 Mbps 
C) 11 Mbps 
D) 7Gbps 
E) 9 Mbps 
A) 24 Mbps 
B) 36 Mbps 
C) 11 Mbps 
D) 7Gbps 
E) 9 Mbps

Question 20

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

Accepted Answer

A) True 
 B)False

_____________ refers to practice of writing symbols in chalk on sidewalks and walls to indicate the presence of an unsecured WLAN.

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

An) ____________ allows many users to share the same set of files on a common, shared disk drive.

11a LANs provide more channels than 802.11b LANs

The term "domain controller" is a name commonly used to refer to a Microsoft directory services server.

What is the "hidden node" problem, and what do you need to do about it in the best LAN design for wireless?

A ___ has a set of high-speed storage devices and servers that are networked together using a very high speed network.

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

Which of the following is not true about CSMA/CD?

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

_______ are wired into a Wi-Fi Controller.They report what devices are attached to them and how busy they are to the controller, which balances traffic across the APs it manages.

One important innovation with _______ is that the RTS/CTS media access control is sent on a separate frequency range, so that it does not interfere with data transmission.

To increase the volume of simultaneous messages the LAN circuit can transmit from network clients to the servers), you can:

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

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

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

Which of the following is not a basic LAN component?

Which of the following standards is backward compatible with IEEE802.11a, b, and g?

The maximum data rate of a an 802.11ad WLAN is

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

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

_____________ refers to practice of writing symbols in chalk on sidewalks and walls to indicate the presence of an unsecured WLAN.

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

An) ____________ allows many users to share the same set of files on a common, shared disk drive.

11a LANs provide more channels than 802.11b LANs

The term "domain controller" is a name commonly used to refer to a Microsoft directory services server.

What is the "hidden node" problem, and what do you need to do about it in the best LAN design for wireless?

A ___ has a set of high-speed storage devices and servers that are networked together using a very high speed network.

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

Which of the following is not true about CSMA/CD?

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

_______ are wired into a Wi-Fi Controller.They report what devices are attached to them and how busy they are to the controller, which balances traffic across the APs it manages.

One important innovation with _______ is that the RTS/CTS media access control is sent on a separate frequency range, so that it does not interfere with data transmission.

To increase the volume of simultaneous messages the LAN circuit can transmit from network clients to the servers), you can:

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

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

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

Which of the following is not a basic LAN component?

Which of the following standards is backward compatible with IEEE802.11a, b, and g?

The maximum data rate of a an 802.11ad WLAN is

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

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