Question 1

Binary signaling is relatively immune to small errors.

Accepted Answer

A) True 
 B)False

Question 2

Under the Ethernet 802.3ba standard,physical links typically have multiple media lanes

Accepted Answer

A) True 
 B)False

Question 3

The ________ standard was created to prevent attackers from walking in and simply plugging a computer into a wall jack and therefore accessing the network.

Accepted Answer

A) Ethernet firewall 
B) 802.1AE 
C) 802.3X 
D) 802.1X

Question 4

A network that runs on the customer premises is a ________.

Accepted Answer

A) LAN 
B) WAN 
C) both A and B 
D) neither A nor B

Question 5

What 802 Working Group creates Ethernet standards?

Accepted Answer

A) 802.1 
B) 802.e 
C) 802.3 
D) 802.11

Question 6

What 802 Working Group tends to develop security standards to be used by multiple LAN/ MAN technologies?

Accepted Answer

A) 802.1 
B) 802.s 
C) 802.3 
D) 802.11

Question 7

Modal dispersion limits transmission distance in ________.

Accepted Answer

A) multimode fiber 
B) single-mode fiber 
C) both A and B 
D) neither A nor B

Question 8

Companies use carriers for WAN transmission because ________.

Accepted Answer

A) companies lack rights of way 
B) carriers have extremely strong security 
C) both A and B 
D) neither A nor B

Question 9

Serial transmission is transmission over a single wire pair.

Accepted Answer

A) True 
 B)False

Question 10

Ethernet addresses are called MAC addresses.

Accepted Answer

A) True 
 B)False

Question 11

Cat 5e and Cat 6 wiring can carry Ethernet traffic 100 meters up to ________.

Accepted Answer

A) 10 Mbps 
B) 100 Mbps 
C) 1 Gbps 
D) 10 Gbps

Question 12

Which of the following is relatively immune to small errors?

Accepted Answer

A) analog signaling 
B) binary signaling 
C) both A and B 
D) neither A nor B

Question 13

An Ethernet data field is 100 octets long.How long will the PAD be?

Accepted Answer

A) There will not be a PAD. 
B) 46 octets 
C) 1,400 octets 
D) 1,500 octets

Question 14

Which of the following is a benefit of using a central authentication server?

Accepted Answer

A) consistency in authentication 
B) faster changes when authentication information needs to be changed 
C) both A and B 
D) neither A nor B

Question 15

Ethernet receivers detect errors by using the value in the ________ field.

Accepted Answer

A) PAD 
B) preamble 
C) data 
D) frame check sequence

Question 16

A LAN is a network that ________.

Accepted Answer

A) links different sites together 
B) provides international service 
C) provides service within a site 
D) all of the above

Question 17

In digital signaling there is (are)________ state(s).

Accepted Answer

A) one 
B) two 
C) a few 
D) an infinite number of

Question 18

Under the standard,Ethernet switches can provide enough power over UTP for ________.

Accepted Answer

A) wireless access points 
B) laptop computers 
C) both A and B 
D) neither A nor B

Question 19

In an Ethernet LAN,switches know the entire data link between the source and destination host.

Accepted Answer

A) True 
 B)False

Question 20

LAN fiber often uses ________ nm light.

Accepted Answer

A) 850 
B) 1,310 
C) 1,550 
D) all of the above

Exam 5: Wired Ethernet Lans

Binary signaling is relatively immune to small errors.

Under the Ethernet 802.3ba standard,physical links typically have multiple media lanes

The ________ standard was created to prevent attackers from walking in and simply plugging a computer into a wall jack and therefore accessing the network.

A network that runs on the customer premises is a ________.

What 802 Working Group creates Ethernet standards?

What 802 Working Group tends to develop security standards to be used by multiple LAN/ MAN technologies?

Modal dispersion limits transmission distance in ________.

Companies use carriers for WAN transmission because ________.

Serial transmission is transmission over a single wire pair.

Ethernet addresses are called MAC addresses.

Cat 5e and Cat 6 wiring can carry Ethernet traffic 100 meters up to ________.

Which of the following is relatively immune to small errors?

An Ethernet data field is 100 octets long.How long will the PAD be?

Which of the following is a benefit of using a central authentication server?

Ethernet receivers detect errors by using the value in the ________ field.

A LAN is a network that ________.

In digital signaling there is (are) ________ state(s) .

Under the standard,Ethernet switches can provide enough power over UTP for ________.

In an Ethernet LAN,switches know the entire data link between the source and destination host.

LAN fiber often uses ________ nm light.