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Essay
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Multiple Choice
A) Application Layer
B) Presentation Layer
C) Session Layer
D) Transport Layer
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Essay
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True/False
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Multiple Choice
A) packet
B) data
C) bit
D) frame
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Essay
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Multiple Choice
A) fail-open
B) fail-close
C) fail-tolerant
D) fail-oriented
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Multiple Choice
A) fail-open
B) fail-close
C) fail-tolerant
D) fail-dynamic
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Multiple Choice
A) They lack scalability.
B) They are not necessarily secure.
C) They are impractical for connecting large numbers of computers.
D) They centralize user account logins.
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True/False
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Multiple Choice
A) The Presentation layer describes the interface between two applications, each on separate computers.
B) The Presentation layer is responsible for reformatting, compressing, and/or encrypting data in a way that the application on the receiving end can read.
C) The Presentation layer is responsible for describing how data between applications is synced and recovered if messages don't arrive intact at the receiving application.
D) The Presentation layer is responsible for transporting Application layer payloads from one application to another.
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Multiple Choice
A) catastrophic failure
B) interrupting failure
C) upset failure
D) temporary failure
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True/False
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Multiple Choice
A) The message is discarded and must be sent again.
B) The message is sent anyway, and is received by the destination as garbage data.
C) The message is divided into smaller messages called segments (for TCP) or datagrams (for UDP) .
D) An ICMP error is generated, and the application must reformat the data for transmission.
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Essay
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Multiple Choice
A) HTTP
B) POP3
C) SNMP
D) SMTP
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True/False
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Multiple Choice
A) MAC (Media Access Control) address
B) DAC (Data Access Control) address
C) DAC (Digital Access Control) address
D) PAC (Packet Access Control) address
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