Question 1

If your LAN server is overloaded, which of the following should you not consider to solve the server problem)?

Accepted Answer

A) adding one or more additional servers 
B) upgrading the server's CPU with a faster CPU 
C) increasing the amount of memory of the server 
D) increasing the number and speed of hard disks in the server 
E) replacing the cable with fiber optic cable 
A) adding one or more additional servers 
B) upgrading the server's CPU with a faster CPU 
C) increasing the amount of memory of the server 
D) increasing the number and speed of hard disks in the server 
E) replacing the cable with fiber optic cable

Question 2

The cheapest time to install network cabling is:

Accepted Answer

A) during the construction of the building 
B) as soon as the building is completed 
C) as soon as the building is occupied 
D) about five years after the building is occupied so that the exact office locations for each network computer is known 
E) any time that a network needs to be installed 
A) during the construction of the building 
B) as soon as the building is completed 
C) as soon as the building is occupied 
D) about five years after the building is occupied so that the exact office locations for each network computer is known 
E) any time that a network needs to be installed

Question 3

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.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following is not a WLAN standard?

Accepted Answer

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

Question 5

Which of the following is not an effective way to reduce LAN network demand:

Accepted Answer

A) move files to client computers 
B) use disk caching on the client machines 
C) find an application that places a large demand on the network and run it a time when the network is lightly loaded 
D) add hidden nodes 
E) shift the users' routines 
A) move files to client computers 
B) use disk caching on the client machines 
C) find an application that places a large demand on the network and run it a time when the network is lightly loaded 
D) add hidden nodes 
E) shift the users' routines

Question 6

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 7

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.

Accepted Answer

A) True 
 B)False

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

LAN bottlenecks are usually found at the:

Accepted Answer

A) data entry keyboard and client video monitors 
B) LAN server and network circuit 
C) hub repeaters and transducer circuit modules 
D) client operating system and diskette drive 
E) client hard drive and processor 
A) data entry keyboard and client video monitors 
B) LAN server and network circuit 
C) hub repeaters and transducer circuit modules 
D) client operating system and diskette drive 
E) client hard drive and processor

Question 11

The maximum data rate of an 802.11g WLAN is

Accepted Answer

A) 24 Mbps 
B) 36 Mbps 
C) 11 Mbps 
D) 54 Mbps 
E) 9 Mbps 
A) 24 Mbps 
B) 36 Mbps 
C) 11 Mbps 
D) 54 Mbps 
E) 9 Mbps

Question 12

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 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

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

Accepted Answer

A) True 
 B)False

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

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.

Accepted Answer

A) True 
 B)False

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

_____________ 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 19

Wired Ethernet is a _______________ technology for small SOHO devices, meaning that manufacturers are no longer creating new products..

Accepted Answer

A) host 
B) legacy 
C) caching 
D) hub 
E) peak 
A) host 
B) legacy 
C) caching 
D) hub 
E) peak

Question 20

Which of the following is not true about layer-2 switched Ethernet?

Accepted Answer

A) A switch replaces the hub. 
B) The physical topology is the same as the physical topology of shared Ethernet: a ring. 
C) The logical topology is a star. 
D) The switch uses a forwarding table to route the packet to the correct circuit/computer. 
E) The switch chooses which packet to transmit first if it receives more than one packet destined for the same computer at the same time, and stores the other packets) temporarily. 
A) A switch replaces the hub. 
B) The physical topology is the same as the physical topology of shared Ethernet: a ring. 
C) The logical topology is a star. 
D) The switch uses a forwarding table to route the packet to the correct circuit/computer. 
E) The switch chooses which packet to transmit first if it receives more than one packet destined for the same computer at the same time, and stores the other packets) temporarily.

If your LAN server is overloaded, which of the following should you not consider to solve the server problem)?

The cheapest time to install network cabling is:

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.

Which of the following is not a WLAN standard?

Which of the following is not an effective way to reduce LAN network demand:

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

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.

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

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

LAN bottlenecks are usually found at the:

The maximum data rate of an 802.11g WLAN is

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

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

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

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

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.

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

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

Wired Ethernet is a _______________ technology for small SOHO devices, meaning that manufacturers are no longer creating new products..

Which of the following is not true about layer-2 switched Ethernet?

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

If your LAN server is overloaded, which of the following should you not consider to solve the server problem)?

The cheapest time to install network cabling is:

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.

Which of the following is not a WLAN standard?

Which of the following is not an effective way to reduce LAN network demand:

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

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.

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

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

LAN bottlenecks are usually found at the:

The maximum data rate of an 802.11g WLAN is

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

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

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

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

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.

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

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

Wired Ethernet is a _______________ technology for small SOHO devices, meaning that manufacturers are no longer creating new products..

Which of the following is not true about layer-2 switched Ethernet?

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