Question 1

If you double the number of states,you can transmit ________ more bit(s)per clock cycle.

Accepted Answer

A)  1 
B)  2 
C)  4 
D)  none of the above 
A)  1 
B)  2 
C)  4 
D)  none of the above

Question 2

In optical fiber,light travels through the ________.

Accepted Answer

A)  core 
B)  cladding 
C)  both A and B 
A)  core 
B)  cladding 
C)  both A and B

Question 3

Ethernet standards are specified at the ________ layer.

Accepted Answer

A)  Internet 
B)  transport 
C)  both A and B 
D)  neither A nor B 
A)  Internet 
B)  transport 
C)  both A and B 
D)  neither A nor B

Question 4

Ethernet addresses were formerly called ________ addresses.

Accepted Answer

A)  MAC 
B)  EUI-48 
C)  both A and B 
D)  neither A nor B 
A)  MAC 
B)  EUI-48 
C)  both A and B 
D)  neither A nor B

Question 5

What type of switch connects users to the network?

Accepted Answer

A)  user switches 
B)  core switches 
C)  access switches 
D)  workgroup switches 
A)  user switches 
B)  core switches 
C)  access switches 
D)  workgroup switches

Question 6

Which of the following is used most often in LANs for fiber transmission links?

Accepted Answer

A)  850 nm multimode fiber 
B)  850 nm single-mode fiber 
C)  850 nm multimode-mode fiber 
D)  1,550 nm single-mode fiber 
A)  850 nm multimode fiber 
B)  850 nm single-mode fiber 
C)  850 nm multimode-mode fiber 
D)  1,550 nm single-mode fiber

Question 7

What type of switch connects switches to other switches?

Accepted Answer

A)  trunk switches 
B)  core switches 
C)  workgroup switches 
D)  none of the above 
A)  trunk switches 
B)  core switches 
C)  workgroup switches 
D)  none of the above

Question 8

In this book,we use the terms Ethernet and 802.3 interchangeably.

Accepted Answer

A) True 
 B)False

Question 9

The two tag frames provide information about ________.

Accepted Answer

A)  transmission media 
B)  the length of Jumbo packets 
C)  priority 
D)  all of the above 
A)  transmission media 
B)  the length of Jumbo packets 
C)  priority 
D)  all of the above

Question 10

Ethernet became the dominant LAN technology because of ________.

Accepted Answer

A)  low cost 
B)  high speed 
C)  link reliability 
D)  agility 
A)  low cost 
B)  high speed 
C)  link reliability 
D)  agility

Question 11

The ARP cache gives the ________ of a router the host will send a packet to.

Accepted Answer

A)  IP address 
B)  EUI-48 address 
C)  MAC address 
D)  host name 
A)  IP address 
B)  EUI-48 address 
C)  MAC address 
D)  host name

Question 12

What type of copper wiring is widely used in Ethernet?

Accepted Answer

A)  optical fiber 
B)  4-pair UTP 
C)  both A and B 
D)  neither A nor B 
A)  optical fiber 
B)  4-pair UTP 
C)  both A and B 
D)  neither A nor B

Question 13

Which UTP quality levels are needed to send signals 100 meters at 10 gigabits per second?

Accepted Answer

A)  category 6 
B)  category 6A 
C)  both A and B 
D)  neither A nor B 
A)  category 6 
B)  category 6A 
C)  both A and B 
D)  neither A nor B

Question 14

If a physical link can use either 4-pair UTP,multimode fiber,or single-mode fiber,which should I use?

Accepted Answer

A)  4-pair UTP 
B)  multimode fiber 
C)  single-mode fiber 
D)  none of the above 
A)  4-pair UTP 
B)  multimode fiber 
C)  single-mode fiber 
D)  none of the above

Question 15

How many wires are there is a UTP Ethernet cord?

Accepted Answer

A)  1 
B)  2 
C)  4 
D)  8 
A)  1 
B)  2 
C)  4 
D)  8

Question 16

Ethernet messages are ________.

Accepted Answer

A)  frames 
B)  packets 
C)  segments 
D)  not named 
A)  frames 
B)  packets 
C)  segments 
D)  not named

Question 17

Two switches that are 200 m apart at a speed of 20 Gbps should be connected using ________.

Accepted Answer

A)  10GBASE-SR 
B)  100GBASE-SR 
C)  10GBASE-SR with bonding 
D)  100GBASE-SR with bonding 
A)  10GBASE-SR 
B)  100GBASE-SR 
C)  10GBASE-SR with bonding 
D)  100GBASE-SR with bonding

Question 18

The path a message takes from the source host to the destination device in an Ethernet network is a ________.

Accepted Answer

A)  physical link 
B)  data link 
C)  route 
D)  label-switched route 
A)  physical link 
B)  data link 
C)  route 
D)  label-switched route

Question 19

Optical fiber cords use two strands ________.

Accepted Answer

A)  for reliability through redundancy 
B)  to form a complete electrical loop 
C)  to double the transmission speed 
D)  for full-duplex transmission 
A)  for reliability through redundancy 
B)  to form a complete electrical loop 
C)  to double the transmission speed 
D)  for full-duplex transmission

Question 20

________ occurs when the light energies of two pulses arrive at the far end at overlapping times.

Accepted Answer

A)  Multimode transmission 
B)  Modal bandwidth 
C)  Modal dispersion 
D)  Modal interference 
A)  Multimode transmission 
B)  Modal bandwidth 
C)  Modal dispersion 
D)  Modal interference

If you double the number of states,you can transmit ________ more bit(s)per clock cycle.

In optical fiber,light travels through the ________.

Ethernet standards are specified at the ________ layer.

Ethernet addresses were formerly called ________ addresses.

What type of switch connects users to the network?

Which of the following is used most often in LANs for fiber transmission links?

What type of switch connects switches to other switches?

In this book,we use the terms Ethernet and 802.3 interchangeably.

The two tag frames provide information about ________.

Ethernet became the dominant LAN technology because of ________.

The ARP cache gives the ________ of a router the host will send a packet to.

What type of copper wiring is widely used in Ethernet?

Which UTP quality levels are needed to send signals 100 meters at 10 gigabits per second?

If a physical link can use either 4-pair UTP,multimode fiber,or single-mode fiber,which should I use?

How many wires are there is a UTP Ethernet cord?

Ethernet messages are ________.

Two switches that are 200 m apart at a speed of 20 Gbps should be connected using ________.

The path a message takes from the source host to the destination device in an Ethernet network is a ________.

Optical fiber cords use two strands ________.

________ occurs when the light energies of two pulses arrive at the far end at overlapping times.

Core Network Concepts and Terminology

Network Standards

Network Management

Network Security

Wireless Lans I

Wireless Lans II

TCP/IP Internetworking I

TCP/IP Internetworking II

Carrier Wide Area Networks Wans

Networked Applications

Appendix: Managing the Security Process

Filters

Exam 5: Ethernet 802.3switched Lans

If you double the number of states,you can transmit ________ more bit(s)per clock cycle.

In optical fiber,light travels through the ________.

Ethernet standards are specified at the ________ layer.

Ethernet addresses were formerly called ________ addresses.

What type of switch connects users to the network?

Which of the following is used most often in LANs for fiber transmission links?

What type of switch connects switches to other switches?

In this book,we use the terms Ethernet and 802.3 interchangeably.

The two tag frames provide information about ________.

Ethernet became the dominant LAN technology because of ________.

The ARP cache gives the ________ of a router the host will send a packet to.

What type of copper wiring is widely used in Ethernet?

Which UTP quality levels are needed to send signals 100 meters at 10 gigabits per second?

If a physical link can use either 4-pair UTP,multimode fiber,or single-mode fiber,which should I use?

How many wires are there is a UTP Ethernet cord?

Ethernet messages are ________.

Two switches that are 200 m apart at a speed of 20 Gbps should be connected using ________.

The path a message takes from the source host to the destination device in an Ethernet network is a ________.

Optical fiber cords use two strands ________.

________ occurs when the light energies of two pulses arrive at the far end at overlapping times.

Core Network Concepts and Terminology

Network Standards

Network Management

Network Security

Wireless Lans I

Wireless Lans II

TCP/IP Internetworking I

TCP/IP Internetworking II

Carrier Wide Area Networks Wans

Networked Applications

Appendix: Managing the Security Process

Filters