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ECCouncil 312-38 Practice Test - Questions Answers, Page 24

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In which of the following transmission modes is data sent and received alternatively?

A.
Simplex mode
A.
Simplex mode
Answers
B.
Bridge mode
B.
Bridge mode
Answers
C.
Half-duplex mode
C.
Half-duplex mode
Answers
D.
Full-duplex mode
D.
Full-duplex mode
Answers
Suggested answer: C

Which of the following IEEE standards adds QoS features and multimedia support?

A.
802.11b
A.
802.11b
Answers
B.
802.11e
B.
802.11e
Answers
C.
802.5
C.
802.5
Answers
D.
802.11a
D.
802.11a
Answers
Suggested answer: B

What is the range for well known ports?

A.
49152 through 65535
A.
49152 through 65535
Answers
B.
1024 through 49151
B.
1024 through 49151
Answers
C.
Above 65535
C.
Above 65535
Answers
D.
0 through 1023
D.
0 through 1023
Answers
Suggested answer: D

Which of the following IEEE standards defines the demand priority access method?

A.
802.15
A.
802.15
Answers
B.
802.3
B.
802.3
Answers
C.
802.12
C.
802.12
Answers
D.
802.11
D.
802.11
Answers
Suggested answer: C

Which of the following is an example of a network providing DQDB access methods?

A.
IEEE 802.3
A.
IEEE 802.3
Answers
B.
IEEE 802.2
B.
IEEE 802.2
Answers
C.
IEEE 802.4
C.
IEEE 802.4
Answers
D.
IEEE 802.6
D.
IEEE 802.6
Answers
Suggested answer: D

Which of the following OSI layers formats and encrypts data to be sent across the network?

A.
Transport layer
A.
Transport layer
Answers
B.
Network layer
B.
Network layer
Answers
C.
Physical layer
C.
Physical layer
Answers
D.
Presentation layer
D.
Presentation layer
Answers
Suggested answer: D

Which of the following protocols is used in wireless networks?

A.
CSMA
A.
CSMA
Answers
B.
CSMA/CD
B.
CSMA/CD
Answers
C.
ALOHA
C.
ALOHA
Answers
D.
CSMA/CA
D.
CSMA/CA
Answers
Suggested answer: D

Token Ring is standardized by which of the following IEEE standards?

A.
802.2
A.
802.2
Answers
B.
802.4
B.
802.4
Answers
C.
802.3
C.
802.3
Answers
D.
802.1
D.
802.1
Answers
Suggested answer: B

Which of the following protocols is used to report an error in datagram processing?

A.
ARP
A.
ARP
Answers
B.
BGP
B.
BGP
Answers
C.
ICMP
C.
ICMP
Answers
D.
DHCP
D.
DHCP
Answers
Suggested answer: C

Which of the following is a high-speed network that connects computers, printers, and other network devices together?

A.
MAN
A.
MAN
Answers
B.
LAN
B.
LAN
Answers
C.
WAN
C.
WAN
Answers
D.
CAN
D.
CAN
Answers
Suggested answer: B
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