Match each term with the correct statement below.
A. uses distinct voltages to generate binary ones or zeroes.
B. discrete unit of data containing control and address information corresponding to OSI Data Link layer.
C. the OSI model layer that is responsible for tracking ports or sockets
D. the OSI model layer where packets are forwarded
E. enable an OSI layer on a sending node to communicate with the same layer on the receiving node.
F. enables Network layer to determine which network process at the destination should accept a frame.
G. a specialized hub that ensures
the packet is transmitted around the ring of computers.
H. form of wireless WAN communication that takes place at very high radio frequencies.
I. the OSI model layer which involves network connectors and media
A. digital signal
B. frame
C. Transport
D. Network
E. peer protocols
F. Service access point (SAP)
G. multistation access unit (MAU)
H. packet radio
I. Physical
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Recently, management has attended a security awareness workshop where advanced persistent threats (APTs) were discussed in great detail. After returning from the training, management has requested that you take any precautions necessary to protect against APTs. Which of the following is a characteristic of these threats? (Choose all that apply.)
A. APTs maintain a way to access the attacked device over and over again. B. APTs are carried out from multiple locations on a single device. C. The goal of APTs is to interrupt network operations. D. APTs quietly obtain information about the attacked device.
Which of the following statements about packet filter firewalls is not true?
A. They can filter traffic based on the port number. B. They can filter traffic based on the protocol type. C. They can filter traffic based on the state of the connection. D. They can filter traffic based on the source and destination address.